<?xml version="1.0" encoding="utf-8"?>
<!--XBRL document created with Toppan Merrill Bridge  11.5.0.6 -->
<!--Based on XBRL 2.1-->
<!--Created on: 9/28/2026 10:05:38 AM-->
<!--Modified on: 9/28/2026 10:05:38 AM-->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink">
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DocumentDocumentAndEntityInformation" roleURI="http://addextherapeutics.com/role/DocumentDocumentAndEntityInformation" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#StatementCondensedConsolidatedBalanceSheets" roleURI="http://addextherapeutics.com/role/StatementCondensedConsolidatedBalanceSheets" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#StatementCondensedConsolidatedStatementsOfComprehensiveLoss" roleURI="http://addextherapeutics.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#StatementCondensedConsolidatedStatementsOfChangesInEquity" roleURI="http://addextherapeutics.com/role/StatementCondensedConsolidatedStatementsOfChangesInEquity" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#StatementCondensedConsolidatedStatementsOfCashFlows" roleURI="http://addextherapeutics.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#StatementCondensedConsolidatedStatementsOfCashFlowsParenthetical" roleURI="http://addextherapeutics.com/role/StatementCondensedConsolidatedStatementsOfCashFlowsParenthetical" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureGeneralInformation" roleURI="http://addextherapeutics.com/role/DisclosureGeneralInformation" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureBasisOfPreparation" roleURI="http://addextherapeutics.com/role/DisclosureBasisOfPreparation" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureMaterialAccountingEstimatesAndJudgments" roleURI="http://addextherapeutics.com/role/DisclosureMaterialAccountingEstimatesAndJudgments" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureInterimMeasurementNote" roleURI="http://addextherapeutics.com/role/DisclosureInterimMeasurementNote" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureSegmentReporting" roleURI="http://addextherapeutics.com/role/DisclosureSegmentReporting" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureCashAndCashEquivalents" roleURI="http://addextherapeutics.com/role/DisclosureCashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureOtherCurrentAssets" roleURI="http://addextherapeutics.com/role/DisclosureOtherCurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRightOfUseAssets" roleURI="http://addextherapeutics.com/role/DisclosureRightOfUseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureEquipment" roleURI="http://addextherapeutics.com/role/DisclosureEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureIntangibleAssets" roleURI="http://addextherapeutics.com/role/DisclosureIntangibleAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureNonCurrentFinancialAssets" roleURI="http://addextherapeutics.com/role/DisclosureNonCurrentFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosurePayablesAccrualsAndOtherCurrentLiabilities" roleURI="http://addextherapeutics.com/role/DisclosurePayablesAccrualsAndOtherCurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureShareCapital" roleURI="http://addextherapeutics.com/role/DisclosureShareCapital" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureShareBasedCompensation" roleURI="http://addextherapeutics.com/role/DisclosureShareBasedCompensation" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRetirementBenefitsObligations" roleURI="http://addextherapeutics.com/role/DisclosureRetirementBenefitsObligations" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRevenueFromContractWithCustomer" roleURI="http://addextherapeutics.com/role/DisclosureRevenueFromContractWithCustomer" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureOtherIncome" roleURI="http://addextherapeutics.com/role/DisclosureOtherIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureOperatingCosts" roleURI="http://addextherapeutics.com/role/DisclosureOperatingCosts" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureStaffCosts" roleURI="http://addextherapeutics.com/role/DisclosureStaffCosts" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureFinanceResultNet" roleURI="http://addextherapeutics.com/role/DisclosureFinanceResultNet" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureDiscontinuedOperations" roleURI="http://addextherapeutics.com/role/DisclosureDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureInterestsInAssociates" roleURI="http://addextherapeutics.com/role/DisclosureInterestsInAssociates" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" roleURI="http://addextherapeutics.com/role/DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureDerivativeFinancialInstruments" roleURI="http://addextherapeutics.com/role/DisclosureDerivativeFinancialInstruments" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureLossPerShare" roleURI="http://addextherapeutics.com/role/DisclosureLossPerShare" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRelatedPartyTransactions" roleURI="http://addextherapeutics.com/role/DisclosureRelatedPartyTransactions" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureEventsAfterBalanceSheetDate" roleURI="http://addextherapeutics.com/role/DisclosureEventsAfterBalanceSheetDate" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureBasisOfPreparationPolicies" roleURI="http://addextherapeutics.com/role/DisclosureBasisOfPreparationPolicies" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureSegmentReportingTables" roleURI="http://addextherapeutics.com/role/DisclosureSegmentReportingTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureCashAndCashEquivalentsTables" roleURI="http://addextherapeutics.com/role/DisclosureCashAndCashEquivalentsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureOtherCurrentAssetsTables" roleURI="http://addextherapeutics.com/role/DisclosureOtherCurrentAssetsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRightOfUseAssetsTables" roleURI="http://addextherapeutics.com/role/DisclosureRightOfUseAssetsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureEquipmentTables" roleURI="http://addextherapeutics.com/role/DisclosureEquipmentTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureIntangibleAssetsTables" roleURI="http://addextherapeutics.com/role/DisclosureIntangibleAssetsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureNonCurrentFinancialAssetsTables" roleURI="http://addextherapeutics.com/role/DisclosureNonCurrentFinancialAssetsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosurePayablesAccrualsAndOtherCurrentLiabilitiesTables" roleURI="http://addextherapeutics.com/role/DisclosurePayablesAccrualsAndOtherCurrentLiabilitiesTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureShareCapitalTables" roleURI="http://addextherapeutics.com/role/DisclosureShareCapitalTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRetirementBenefitsObligationsTables" roleURI="http://addextherapeutics.com/role/DisclosureRetirementBenefitsObligationsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureOperatingCostsTables" roleURI="http://addextherapeutics.com/role/DisclosureOperatingCostsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureStaffCostsTables" roleURI="http://addextherapeutics.com/role/DisclosureStaffCostsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureFinanceResultNetTables" roleURI="http://addextherapeutics.com/role/DisclosureFinanceResultNetTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureInterestsInAssociatesTables" roleURI="http://addextherapeutics.com/role/DisclosureInterestsInAssociatesTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTables" roleURI="http://addextherapeutics.com/role/DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureDerivativeFinancialInstrumentsTables" roleURI="http://addextherapeutics.com/role/DisclosureDerivativeFinancialInstrumentsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureLossPerShareTables" roleURI="http://addextherapeutics.com/role/DisclosureLossPerShareTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRelatedPartyTransactionsTables" roleURI="http://addextherapeutics.com/role/DisclosureRelatedPartyTransactionsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureGeneralInformationDetails" roleURI="http://addextherapeutics.com/role/DisclosureGeneralInformationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureMaterialAccountingEstimatesAndJudgmentsDetails" roleURI="http://addextherapeutics.com/role/DisclosureMaterialAccountingEstimatesAndJudgmentsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureSegmentInformationDetails" roleURI="http://addextherapeutics.com/role/DisclosureSegmentInformationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureCashAndCashEquivalentsDetails" roleURI="http://addextherapeutics.com/role/DisclosureCashAndCashEquivalentsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureOtherCurrentAssetsDetails" roleURI="http://addextherapeutics.com/role/DisclosureOtherCurrentAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRightOfUseAssetsDetails" roleURI="http://addextherapeutics.com/role/DisclosureRightOfUseAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureEquipmentDetails" roleURI="http://addextherapeutics.com/role/DisclosureEquipmentDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureIntangibleAssetsDetails" roleURI="http://addextherapeutics.com/role/DisclosureIntangibleAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureNonCurrentFinancialAssetsDetails" roleURI="http://addextherapeutics.com/role/DisclosureNonCurrentFinancialAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosurePayablesAccrualsAndOtherCurrentLiabilitiesDetails" roleURI="http://addextherapeutics.com/role/DisclosurePayablesAccrualsAndOtherCurrentLiabilitiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureShareCapitalDetails" roleURI="http://addextherapeutics.com/role/DisclosureShareCapitalDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureShareBasedCompensationDetails" roleURI="http://addextherapeutics.com/role/DisclosureShareBasedCompensationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureShareBasedCompensationShareOptionsOrSharesOutstandingDetails" roleURI="http://addextherapeutics.com/role/DisclosureShareBasedCompensationShareOptionsOrSharesOutstandingDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRetirementBenefitsObligationsComprehensiveLossDetails" roleURI="http://addextherapeutics.com/role/DisclosureRetirementBenefitsObligationsComprehensiveLossDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRetirementBenefitsObligationsBalanceSheetDetails" roleURI="http://addextherapeutics.com/role/DisclosureRetirementBenefitsObligationsBalanceSheetDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRevenueFromContractWithCustomerDetails" roleURI="http://addextherapeutics.com/role/DisclosureRevenueFromContractWithCustomerDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureOtherIncomeDetails" roleURI="http://addextherapeutics.com/role/DisclosureOtherIncomeDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureOperatingCostsDetails" roleURI="http://addextherapeutics.com/role/DisclosureOperatingCostsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureOperatingCostsAdditionalInformationDetails" roleURI="http://addextherapeutics.com/role/DisclosureOperatingCostsAdditionalInformationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureStaffCostsDetails" roleURI="http://addextherapeutics.com/role/DisclosureStaffCostsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureStaffCostsAdditionalInformationDetails" roleURI="http://addextherapeutics.com/role/DisclosureStaffCostsAdditionalInformationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureFinanceResultNetDetails" roleURI="http://addextherapeutics.com/role/DisclosureFinanceResultNetDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureDiscontinuedOperationsGeneralDetails" roleURI="http://addextherapeutics.com/role/DisclosureDiscontinuedOperationsGeneralDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureInterestsInAssociatesDetails" roleURI="http://addextherapeutics.com/role/DisclosureInterestsInAssociatesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeDetails" roleURI="http://addextherapeutics.com/role/DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureDerivativeFinancialInstrumentsDetails" roleURI="http://addextherapeutics.com/role/DisclosureDerivativeFinancialInstrumentsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureDerivativeFinancialInstrumentsInputsDetails" roleURI="http://addextherapeutics.com/role/DisclosureDerivativeFinancialInstrumentsInputsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureLossPerShareDetails" roleURI="http://addextherapeutics.com/role/DisclosureLossPerShareDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureRelatedPartyTransactionsDetails" roleURI="http://addextherapeutics.com/role/DisclosureRelatedPartyTransactionsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="adxn-20260630.xsd#DisclosureEventsAfterBalanceSheetDateDetails" roleURI="http://addextherapeutics.com/role/DisclosureEventsAfterBalanceSheetDateDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" />
  <presentationLink xlink:role="http://addextherapeutics.com/role/DocumentDocumentAndEntityInformation" xlink:type="extended" xlink:title="00090 - Document - Document and Entity Information" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract" xlink:label="CoverAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType" xlink:label="dei_DocumentType_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_DocumentType_639261867369466055" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_DocumentPeriodEndDate_639261867369466055" order="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityRegistrantName_639261867369466055" order="3" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityCentralIndexKey_639261867369466055" order="4" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_AmendmentFlag_639261867369466055" order="5" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_CurrentFiscalYearEndDate_639261867369466055" order="6" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_DocumentFiscalYearFocus_639261867369466055" order="7" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_DocumentFiscalPeriodFocus_639261867369466055" order="8" use="optional" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/StatementCondensedConsolidatedBalanceSheets" xlink:type="extended" xlink:title="00100 - Statement - Condensed Consolidated Balance Sheets" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAbstract" xlink:label="ifrs-full_AssetsAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_AssetsAbstract_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssetsAbstract" xlink:label="ifrs-full_CurrentAssetsAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_AssetsAbstract_639261867369466055" xlink:to="ifrs-full_CurrentAssetsAbstract_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_CashAndCashEquivalents_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentFinancialAssets" xlink:label="ifrs-full_OtherCurrentFinancialAssets_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_OtherCurrentFinancialAssets_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_TradeAndOtherCurrentReceivables_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentPrepayments" xlink:label="ifrs-full_CurrentPrepayments_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_CurrentPrepayments_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssets" xlink:label="ifrs-full_CurrentAssets_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_CurrentAssets_639261867369466055" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsAbstract" xlink:label="ifrs-full_NoncurrentAssetsAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_AssetsAbstract_639261867369466055" xlink:to="ifrs-full_NoncurrentAssetsAbstract_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssets" xlink:label="ifrs-full_RightofuseAssets_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_RightofuseAssets_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_PropertyPlantAndEquipment_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentFinancialAssets" xlink:label="ifrs-full_NoncurrentFinancialAssets_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_NoncurrentFinancialAssets_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod_639261867369466055" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_639261867369466055" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:label="ifrs-full_NoncurrentDerivativeFinancialAssets_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_NoncurrentDerivativeFinancialAssets_639261867369466055" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentAssetsAbstract_639261867369466055" xlink:to="ifrs-full_NoncurrentAssets_639261867369466055" order="8" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_AssetsAbstract_639261867369466055" xlink:to="ifrs-full_Assets_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilitiesAbstract" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_EquityAndLiabilitiesAbstract_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilitiesAbstract" xlink:label="ifrs-full_CurrentLiabilitiesAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAndLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_CurrentLiabilitiesAbstract_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLeaseLiabilities" xlink:label="ifrs-full_CurrentLeaseLiabilities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CurrentLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_CurrentLeaseLiabilities_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayables" xlink:label="ifrs-full_TradeAndOtherCurrentPayables_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CurrentLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_TradeAndOtherCurrentPayables_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentLiabilities" xlink:label="ifrs-full_OtherCurrentLiabilities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CurrentLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_OtherCurrentLiabilities_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilities" xlink:label="ifrs-full_CurrentLiabilities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CurrentLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_CurrentLiabilities_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilitiesAbstract" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAndLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_NoncurrentLiabilitiesAbstract_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLeaseLiabilities" xlink:label="ifrs-full_NoncurrentLeaseLiabilities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_NoncurrentLeaseLiabilities_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:label="ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="ifrs-full_NoncurrentLiabilities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_NoncurrentLiabilities_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAbstract" xlink:label="ifrs-full_EquityAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAndLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_EquityAbstract_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapital" xlink:label="ifrs-full_IssuedCapital_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAbstract_639261867369466055" xlink:to="ifrs-full_IssuedCapital_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SharePremium" xlink:label="ifrs-full_SharePremium_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAbstract_639261867369466055" xlink:to="ifrs-full_SharePremium_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEquityInterest" xlink:label="ifrs-full_OtherEquityInterest_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAbstract_639261867369466055" xlink:to="ifrs-full_OtherEquityInterest_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasuryShares" xlink:label="ifrs-full_TreasuryShares_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAbstract_639261867369466055" xlink:to="ifrs-full_TreasuryShares_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReserves" xlink:label="ifrs-full_OtherReserves_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAbstract_639261867369466055" xlink:to="ifrs-full_OtherReserves_639261867369466055" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarnings" xlink:label="ifrs-full_RetainedEarnings_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAbstract_639261867369466055" xlink:to="ifrs-full_RetainedEarnings_639261867369466055" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAbstract_639261867369466055" xlink:to="ifrs-full_Equity_639261867369466055" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_EquityAndLiabilitiesAbstract_639261867369466055" xlink:to="ifrs-full_EquityAndLiabilities_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveLoss" xlink:type="extended" xlink:title="00200 - Statement - Condensed Consolidated Statements of Comprehensive Loss" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeStatementAbstract" xlink:label="ifrs-full_IncomeStatementAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromContractsWithCustomers" xlink:label="ifrs-full_RevenueFromContractsWithCustomers_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_RevenueFromContractsWithCustomers_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherIncome" xlink:label="ifrs-full_OtherIncome_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_OtherIncome_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OperatingCostsAbstract" xlink:label="adxn_OperatingCostsAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="adxn_OperatingCostsAbstract_639261867369466055" order="3" use="optional" priority="3" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ResearchAndDevelopmentExpense" xlink:label="ifrs-full_ResearchAndDevelopmentExpense_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_OperatingCostsAbstract_639261867369466055" xlink:to="ifrs-full_ResearchAndDevelopmentExpense_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeneralAndAdministrativeExpense" xlink:label="ifrs-full_GeneralAndAdministrativeExpense_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_OperatingCostsAbstract_639261867369466055" xlink:to="ifrs-full_GeneralAndAdministrativeExpense_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingExpense" xlink:label="ifrs-full_OperatingExpense_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_OperatingCostsAbstract_639261867369466055" xlink:to="ifrs-full_OperatingExpense_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="ifrs-full_ProfitLossFromOperatingActivities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ProfitLossFromOperatingActivities_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncome" xlink:label="ifrs-full_FinanceIncome_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_FinanceIncome_639261867369466055" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceCosts" xlink:label="ifrs-full_FinanceCosts_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_FinanceCosts_639261867369466055" order="6" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncomeCost" xlink:label="ifrs-full_FinanceIncomeCost_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_FinanceIncomeCost_639261867369466055" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_639261867369466055" order="8" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ProfitLossBeforeTax_639261867369466055" order="9" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromContinuingOperations" xlink:label="ifrs-full_ProfitLossFromContinuingOperations_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ProfitLossFromContinuingOperations_639261867369466055" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ProfitLossFromDiscontinuedOperations_639261867369466055" order="11" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ProfitLoss_639261867369466055" order="12" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShare" xlink:label="ifrs-full_BasicEarningsLossPerShare_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_BasicEarningsLossPerShare_639261867369466055" order="13" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:label="ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_BasicEarningsLossPerShare_639261867369466055" xlink:to="ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare" xlink:label="ifrs-full_DilutedEarningsLossPerShare_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_DilutedEarningsLossPerShare_639261867369466055" order="14" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:label="ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DilutedEarningsLossPerShare_639261867369466055" xlink:to="ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeAbstract" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_OtherComprehensiveIncomeAbstract_639261867369466055" order="15" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract_639261867369466055" xlink:to="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansContinuingOperations" xlink:label="adxn_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansContinuingOperations_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_639261867369466055" xlink:to="adxn_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansContinuingOperations_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract_639261867369466055" xlink:to="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_639261867369466055" xlink:to="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract_639261867369466055" xlink:to="ifrs-full_OtherComprehensiveIncome_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ComprehensiveIncome_639261867369466055" order="16" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeFromContinuingOperations" xlink:label="ifrs-full_ComprehensiveIncomeFromContinuingOperations_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ComprehensiveIncomeFromContinuingOperations_639261867369466055" order="17" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeFromDiscontinuedOperations" xlink:label="ifrs-full_ComprehensiveIncomeFromDiscontinuedOperations_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ComprehensiveIncomeFromDiscontinuedOperations_639261867369466055" order="18" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/StatementCondensedConsolidatedStatementsOfChangesInEquity" xlink:type="extended" xlink:title="00300 - Statement - Condensed Consolidated Statements of Changes in Equity" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityAbstract" xlink:label="StatementOfChangesInEquityAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="ifrs-full_StatementOfChangesInEquityTable_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfChangesInEquityAbstract" xlink:to="ifrs-full_StatementOfChangesInEquityTable_639261867369466055" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="ifrs-full_ComponentsOfEquityAxis_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_StatementOfChangesInEquityTable_639261867369466055" xlink:to="ifrs-full_ComponentsOfEquityAxis_639261867369466055" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapitalMember" xlink:label="ifrs-full_IssuedCapitalMember_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ComponentsOfEquityAxis_639261867369466055" xlink:to="ifrs-full_IssuedCapitalMember_639261867369466055" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SharePremiumMember" xlink:label="ifrs-full_SharePremiumMember_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ComponentsOfEquityAxis_639261867369466055" xlink:to="ifrs-full_SharePremiumMember_639261867369466055" order="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEquityInterestMember" xlink:label="ifrs-full_OtherEquityInterestMember_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ComponentsOfEquityAxis_639261867369466055" xlink:to="ifrs-full_OtherEquityInterestMember_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasurySharesMember" xlink:label="ifrs-full_TreasurySharesMember_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ComponentsOfEquityAxis_639261867369466055" xlink:to="ifrs-full_TreasurySharesMember_639261867369466055" order="4" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ComponentsOfEquityAxis_639261867369466055" xlink:to="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_639261867369466055" order="5" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OtherReserveMember" xlink:label="adxn_OtherReserveMember_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ComponentsOfEquityAxis_639261867369466055" xlink:to="adxn_OtherReserveMember_639261867369466055" order="6" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarningsMember" xlink:label="ifrs-full_RetainedEarningsMember_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ComponentsOfEquityAxis_639261867369466055" xlink:to="ifrs-full_RetainedEarningsMember_639261867369466055" order="7" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityDomain" xlink:label="ifrs-full_ComponentsOfEquityDomain_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ComponentsOfEquityAxis_639261867369466055" xlink:to="ifrs-full_ComponentsOfEquityDomain_639261867369466055" order="8" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_StatementOfChangesInEquityTable_639261867369466055" xlink:to="ifrs-full_StatementOfChangesInEquityLineItems_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems_639261867369466055" xlink:to="ifrs-full_Equity_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="3" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems_639261867369466055" xlink:to="ifrs-full_ProfitLoss_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems_639261867369466055" xlink:to="ifrs-full_OtherComprehensiveIncome_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="9" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems_639261867369466055" xlink:to="ifrs-full_ComprehensiveIncome_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems_639261867369466055" xlink:to="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_639261867369466055" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_MovementInTreasurySharesAbstract" xlink:label="adxn_MovementInTreasurySharesAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems_639261867369466055" xlink:to="adxn_MovementInTreasurySharesAbstract_639261867369466055" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_SaleOfTreasuryShare" xlink:label="adxn_SaleOfTreasuryShare_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_MovementInTreasurySharesAbstract_639261867369466055" xlink:to="adxn_SaleOfTreasuryShare_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseThroughIssuanceOfWarrantsAndPreFundedWarrants" xlink:label="adxn_IncreaseDecreaseThroughIssuanceOfWarrantsAndPreFundedWarrants_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_MovementInTreasurySharesAbstract_639261867369466055" xlink:to="adxn_IncreaseDecreaseThroughIssuanceOfWarrantsAndPreFundedWarrants_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_CostOfSaleOfTreasurySharesEquity" xlink:label="adxn_CostOfSaleOfTreasurySharesEquity_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_MovementInTreasurySharesAbstract_639261867369466055" xlink:to="adxn_CostOfSaleOfTreasurySharesEquity_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NetSalesPurchasesOfTreasurySharesUnderLiquidityAgreement" xlink:label="adxn_NetSalesPurchasesOfTreasurySharesUnderLiquidityAgreement_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_MovementInTreasurySharesAbstract_639261867369466055" xlink:to="adxn_NetSalesPurchasesOfTreasurySharesUnderLiquidityAgreement_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="8" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity_6392618673694660551" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems_639261867369466055" xlink:to="ifrs-full_Equity_6392618673694660551" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" xlink:type="extended" xlink:title="00400 - Statement - Condensed Consolidated Statements of Cash Flows" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract" xlink:label="StatementOfCashFlowsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_ProfitLoss_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AdjustmentsForGainLossOnDiscontinuanceNetOfTax" xlink:label="adxn_AdjustmentsForGainLossOnDiscontinuanceNetOfTax_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_639261867369466055" xlink:to="adxn_AdjustmentsForGainLossOnDiscontinuanceNetOfTax_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AdjustmentsForIncomeOfFairValueOfServicesReceivedAtZeroCost" xlink:label="adxn_AdjustmentsForIncomeOfFairValueOfServicesReceivedAtZeroCost_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_639261867369466055" xlink:to="adxn_AdjustmentsForIncomeOfFairValueOfServicesReceivedAtZeroCost_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AdjustmentsForCostOfFairValueOfServicesReceivedAtZeroCost" xlink:label="adxn_AdjustmentsForCostOfFairValueOfServicesReceivedAtZeroCost_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_639261867369466055" xlink:to="adxn_AdjustmentsForCostOfFairValueOfServicesReceivedAtZeroCost_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForSharebasedPayments" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_639261867369466055" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForProvisions" xlink:label="ifrs-full_AdjustmentsForProvisions_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_639261867369466055" xlink:to="ifrs-full_AdjustmentsForProvisions_639261867369466055" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xlink:label="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_639261867369466055" xlink:to="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_639261867369466055" order="6" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDepreciationExpense" xlink:label="ifrs-full_AdjustmentsForDepreciationExpense_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_639261867369466055" xlink:to="ifrs-full_AdjustmentsForDepreciationExpense_639261867369466055" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:label="ifrs-full_AdjustmentsForFinanceIncomeCost_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_AdjustmentsForFinanceIncomeCost_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherFinancialAssets" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherFinancialAssets_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherFinancialAssets_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_639261867369466055" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses_639261867369466055" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="3" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AdjustmentsForDecreaseIncreaseInMiscellaneousOtherCurrentAssets" xlink:label="adxn_AdjustmentsForDecreaseIncreaseInMiscellaneousOtherCurrentAssets_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="adxn_AdjustmentsForDecreaseIncreaseInMiscellaneousOtherCurrentAssets_639261867369466055" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_639261867369466055" order="8" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_639261867369466055" order="9" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities_639261867369466055" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_639261867369466055" order="11" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:label="ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_639261867369466055" xlink:to="ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_639261867369466055" xlink:to="ifrs-full_PurchaseOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PurchaseOfDerivativeFinancialInstruments" xlink:label="adxn_PurchaseOfDerivativeFinancialInstruments_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_639261867369466055" xlink:to="adxn_PurchaseOfDerivativeFinancialInstruments_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_639261867369466055" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_639261867369466055" order="12" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromSaleOrIssueOfTreasuryShares" xlink:label="ifrs-full_ProceedsFromSaleOrIssueOfTreasuryShares_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_639261867369466055" xlink:to="ifrs-full_ProceedsFromSaleOrIssueOfTreasuryShares_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_CostsPaidOnSaleOfTreasuryShares" xlink:label="adxn_CostsPaidOnSaleOfTreasuryShares_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_639261867369466055" xlink:to="adxn_CostsPaidOnSaleOfTreasuryShares_639261867369466055" order="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_ProceedsFromSalePaymentsForPurchaseOfTreasurySharesUnderLiquidityAgreement" xlink:label="adxn_ProceedsFromSalePaymentsForPurchaseOfTreasurySharesUnderLiquidityAgreement_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_639261867369466055" xlink:to="adxn_ProceedsFromSalePaymentsForPurchaseOfTreasurySharesUnderLiquidityAgreement_639261867369466055" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_639261867369466055" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_639261867369466055" order="4" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_639261867369466055" xlink:to="ifrs-full_InterestPaidClassifiedAsFinancingActivities_639261867369466055" order="5" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_639261867369466055" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities_639261867369466055" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_639261867369466055" order="13" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_CashAndCashEquivalents_639261867369466055" order="14" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_639261867369466055" order="15" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents_6392618673694660551" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="ifrs-full_CashAndCashEquivalents_6392618673694660551" order="16" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/StatementCondensedConsolidatedStatementsOfCashFlowsParenthetical" xlink:type="extended" xlink:title="00405 - Statement - Condensed Consolidated Statements of Cash Flows (Parenthetical)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract" xlink:label="ifrs-full_StatementOfCashFlowsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xlink:label="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_StatementOfCashFlowsAbstract" xlink:to="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureGeneralInformation" xlink:type="extended" xlink:title="10101 - Disclosure - General information" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_GeneralInformationAbstract" xlink:label="GeneralInformationAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:label="ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeneralInformationAbstract" xlink:to="ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureBasisOfPreparation" xlink:type="extended" xlink:title="10201 - Disclosure - Basis of preparation" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_BasisOfPreparationAbstract" xlink:label="adxn_BasisOfPreparationAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:label="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_BasisOfPreparationAbstract" xlink:to="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureMaterialAccountingEstimatesAndJudgments" xlink:type="extended" xlink:title="10301 - Disclosure - Material accounting estimates and judgments" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_CriticalAccountingEstimatesAndJudgmentsAbstract" xlink:label="CriticalAccountingEstimatesAndJudgmentsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:label="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CriticalAccountingEstimatesAndJudgmentsAbstract" xlink:to="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureInterimMeasurementNote" xlink:type="extended" xlink:title="10401 - Disclosure - Interim measurement note" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_InterimMeasurementNoteAbstract" xlink:label="adxn_InterimMeasurementNoteAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfInterimMeasurementNoteTextBlock" xlink:label="adxn_DisclosureOfInterimMeasurementNoteTextBlock_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_InterimMeasurementNoteAbstract" xlink:to="adxn_DisclosureOfInterimMeasurementNoteTextBlock_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureSegmentReporting" xlink:type="extended" xlink:title="10501 - Disclosure - Segment reporting" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:label="DisclosureOfOperatingSegmentsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:label="ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfOperatingSegmentsAbstract" xlink:to="ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureCashAndCashEquivalents" xlink:type="extended" xlink:title="10601 - Disclosure - Cash and cash equivalents" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalentsAbstract" xlink:label="CashAndCashEquivalentsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:label="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashAndCashEquivalentsAbstract" xlink:to="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureOtherCurrentAssets" xlink:type="extended" xlink:title="10701 - Disclosure - Other current assets" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OtherCurrentAssetsAbstract" xlink:label="OtherCurrentAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCurrentAssetsAbstract" xlink:to="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRightOfUseAssets" xlink:type="extended" xlink:title="10801 - Disclosure - Right-of-use assets" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:label="DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfRightOfUseAssetsTextBlock" xlink:label="adxn_DisclosureOfRightOfUseAssetsTextBlock_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:to="adxn_DisclosureOfRightOfUseAssetsTextBlock_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureEquipment" xlink:type="extended" xlink:title="10901 - Disclosure - Equipment" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:label="PropertyPlantAndEquipmentAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_639261867369466055" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentAbstract" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_639261867369466055" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureIntangibleAssets" xlink:type="extended" xlink:title="11001 - Disclosure - Intangible assets" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsExplanatory_639261867369616664" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsExplanatory_639261867369616664" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureNonCurrentFinancialAssets" xlink:type="extended" xlink:title="11101 - Disclosure - Non-current financial assets" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfNoncurrentFinancialAssetsAbstract" xlink:label="CategoriesOfNoncurrentFinancialAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfNonCurrentFinancialAssetsTextBlock" xlink:label="adxn_DisclosureOfNonCurrentFinancialAssetsTextBlock_639261867369619587" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CategoriesOfNoncurrentFinancialAssetsAbstract" xlink:to="adxn_DisclosureOfNonCurrentFinancialAssetsTextBlock_639261867369619587" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosurePayablesAccrualsAndOtherCurrentLiabilities" xlink:type="extended" xlink:title="11201 - Disclosure - Payables, accruals and other current liabilities" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PayablesAccrualsAbstract" xlink:label="PayablesAccrualsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:label="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PayablesAccrualsAbstract" xlink:to="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureShareCapital" xlink:type="extended" xlink:title="11301 - Disclosure - Share capital" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:label="DisclosureOfClassesOfShareCapitalAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:label="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfClassesOfShareCapitalAbstract" xlink:to="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureShareBasedCompensation" xlink:type="extended" xlink:title="11401 - Disclosure - Share-based compensation" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:label="DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:to="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRetirementBenefitsObligations" xlink:type="extended" xlink:title="11501 - Disclosure - Retirement benefits obligations" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:label="DisclosureOfDefinedBenefitPlansAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfDefinedBenefitPlansAbstract" xlink:to="ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRevenueFromContractWithCustomer" xlink:type="extended" xlink:title="11601 - Disclosure - Revenue from contract with customer" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_RevenueFromContractsWithCustomersAbstract" xlink:label="RevenueFromContractsWithCustomersAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:label="ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RevenueFromContractsWithCustomersAbstract" xlink:to="ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureOtherIncome" xlink:type="extended" xlink:title="11701 - Disclosure - Other income" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IfrsOtherIncomeAbstract" xlink:label="IfrsOtherIncomeAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory" xlink:label="ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IfrsOtherIncomeAbstract" xlink:to="ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureOperatingCosts" xlink:type="extended" xlink:title="11801 - Disclosure - Operating costs" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OperatingCostsAbstract" xlink:label="OperatingCostsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfExpensesExplanatory" xlink:label="ifrs-full_DisclosureOfExpensesExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="ifrs-full_DisclosureOfExpensesExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureStaffCosts" xlink:type="extended" xlink:title="11901 - Disclosure - Staff costs" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:label="ClassesOfEmployeeBenefitsExpenseAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:label="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureFinanceResultNet" xlink:type="extended" xlink:title="12001 - Disclosure - Finance result, net" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_FinanceCostsAbstract" xlink:label="adxn_FinanceCostsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_FinanceCostsAbstract" xlink:to="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureDiscontinuedOperations" xlink:type="extended" xlink:title="12101 - Disclosure - Discontinued operations" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:label="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory" xlink:label="ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:to="ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureInterestsInAssociates" xlink:type="extended" xlink:title="12201 - Disclosure - Interests in associates" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInterestsInAssociatesExplanatory" xlink:label="ifrs-full_DisclosureOfInterestsInAssociatesExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract" xlink:to="ifrs-full_DisclosureOfInterestsInAssociatesExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:type="extended" xlink:title="12301 - Disclosure - Financial assets at fair value through other comprehensive income" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory" xlink:label="ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureDerivativeFinancialInstruments" xlink:type="extended" xlink:title="12401 - Disclosure - Derivative financial instruments" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:label="ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:to="ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureLossPerShare" xlink:type="extended" xlink:title="12501 - Disclosure - Loss per share" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:label="ifrs-full_DisclosureOfEarningsPerShareExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_DisclosureOfEarningsPerShareExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRelatedPartyTransactions" xlink:type="extended" xlink:title="12601 - Disclosure - Related party transactions" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RelatedPartyTransactionsAbstract" xlink:label="RelatedPartyTransactionsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:label="ifrs-full_DisclosureOfRelatedPartyExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyTransactionsAbstract" xlink:to="ifrs-full_DisclosureOfRelatedPartyExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureEventsAfterBalanceSheetDate" xlink:type="extended" xlink:title="12701 - Disclosure - Events after the balance sheet date" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:label="DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:label="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:to="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureBasisOfPreparationPolicies" xlink:type="extended" xlink:title="20202 - Disclosure - Basis of preparation (Policies)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_SignificantAccountingPoliciesAbstract" xlink:label="adxn_SignificantAccountingPoliciesAbstract_1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements" xlink:label="ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_SignificantAccountingPoliciesAbstract_1" xlink:to="ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureSegmentReportingTables" xlink:type="extended" xlink:title="30503 - Disclosure - Segment reporting (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:label="DisclosureOfOperatingSegmentsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProductsAndServicesExplanatory" xlink:label="ifrs-full_DisclosureOfProductsAndServicesExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfOperatingSegmentsAbstract" xlink:to="ifrs-full_DisclosureOfProductsAndServicesExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSegmentsMajorCustomersExplanatory" xlink:label="ifrs-full_DisclosureOfSegmentsMajorCustomersExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfOperatingSegmentsAbstract" xlink:to="ifrs-full_DisclosureOfSegmentsMajorCustomersExplanatory_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:label="ifrs-full_DisclosureOfGeographicalAreasExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfOperatingSegmentsAbstract" xlink:to="ifrs-full_DisclosureOfGeographicalAreasExplanatory_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureCashAndCashEquivalentsTables" xlink:type="extended" xlink:title="30603 - Disclosure - Cash and cash equivalents (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalentsAbstract" xlink:label="CashAndCashEquivalentsAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfDetailedInformationAboutCashAndCashEquivalentsTableTextBlock" xlink:label="adxn_DisclosureOfDetailedInformationAboutCashAndCashEquivalentsTableTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashAndCashEquivalentsAbstract" xlink:to="adxn_DisclosureOfDetailedInformationAboutCashAndCashEquivalentsTableTextBlock_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfCashAndCashEquivalentsByCurrencyTableTextBlock" xlink:label="adxn_DisclosureOfCashAndCashEquivalentsByCurrencyTableTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashAndCashEquivalentsAbstract" xlink:to="adxn_DisclosureOfCashAndCashEquivalentsByCurrencyTableTextBlock_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureOtherCurrentAssetsTables" xlink:type="extended" xlink:title="30703 - Disclosure - Other current assets (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OtherCurrentAssetsAbstract" xlink:label="OtherCurrentAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:label="adxn_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCurrentAssetsAbstract" xlink:to="adxn_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRightOfUseAssetsTables" xlink:type="extended" xlink:title="30803 - Disclosure - Right-of-use assets (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:label="DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureEquipmentTables" xlink:type="extended" xlink:title="30903 - Disclosure - Equipment (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:label="PropertyPlantAndEquipmentAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentAbstract" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureIntangibleAssetsTables" xlink:type="extended" xlink:title="31003 - Disclosure - Intangible assets (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsAbstract_1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsAbstract_1" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureNonCurrentFinancialAssetsTables" xlink:type="extended" xlink:title="31103 - Disclosure - Non-current financial assets (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfNoncurrentFinancialAssetsAbstract" xlink:label="CategoriesOfNoncurrentFinancialAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfDetailedInformationAboutNonCurrentFinancialAssetsTableTextBlock" xlink:label="adxn_DisclosureOfDetailedInformationAboutNonCurrentFinancialAssetsTableTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CategoriesOfNoncurrentFinancialAssetsAbstract" xlink:to="adxn_DisclosureOfDetailedInformationAboutNonCurrentFinancialAssetsTableTextBlock_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosurePayablesAccrualsAndOtherCurrentLiabilitiesTables" xlink:type="extended" xlink:title="31203 - Disclosure - Payables, accruals and other current liabilities (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PayablesAccrualsAbstract" xlink:label="PayablesAccrualsAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfDetailedInformationAboutPayablesAndAccrualsTableTextBlock" xlink:label="adxn_DisclosureOfDetailedInformationAboutPayablesAndAccrualsTableTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PayablesAccrualsAbstract" xlink:to="adxn_DisclosureOfDetailedInformationAboutPayablesAndAccrualsTableTextBlock_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureShareCapitalTables" xlink:type="extended" xlink:title="31303 - Disclosure - Share capital (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:label="DisclosureOfClassesOfShareCapitalAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfClassesOfShareCapitalAbstract" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRetirementBenefitsObligationsTables" xlink:type="extended" xlink:title="31503 - Disclosure - Retirement benefits obligations (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:label="DisclosureOfDefinedBenefitPlansAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfAmountsRecognizedInProfitOrLossForEmploymentBenefitObligationsTableTextBlock" xlink:label="adxn_DisclosureOfAmountsRecognizedInProfitOrLossForEmploymentBenefitObligationsTableTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfDefinedBenefitPlansAbstract" xlink:to="adxn_DisclosureOfAmountsRecognizedInProfitOrLossForEmploymentBenefitObligationsTableTextBlock_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfAmountsRecognizedInBalanceSheetForEmploymentBenefitObligationsTableTextBlock" xlink:label="adxn_DisclosureOfAmountsRecognizedInBalanceSheetForEmploymentBenefitObligationsTableTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfDefinedBenefitPlansAbstract" xlink:to="adxn_DisclosureOfAmountsRecognizedInBalanceSheetForEmploymentBenefitObligationsTableTextBlock_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureOperatingCostsTables" xlink:type="extended" xlink:title="31803 - Disclosure - Operating costs (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OperatingCostsAbstract" xlink:label="OperatingCostsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:label="ifrs-full_DisclosureOfExpensesByNatureExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="ifrs-full_DisclosureOfExpensesByNatureExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureStaffCostsTables" xlink:type="extended" xlink:title="31903 - Disclosure - Staff costs (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:label="ClassesOfEmployeeBenefitsExpenseAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfStaffCostsTableTextBlock" xlink:label="adxn_DisclosureOfStaffCostsTableTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="adxn_DisclosureOfStaffCostsTableTextBlock_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureFinanceResultNetTables" xlink:type="extended" xlink:title="32003 - Disclosure - Finance result, net (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_FinanceCostsAbstract" xlink:label="FinanceCostsAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfFinanceIncomeExpenseTableTextBlock" xlink:label="adxn_DisclosureOfFinanceIncomeExpenseTableTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FinanceCostsAbstract" xlink:to="adxn_DisclosureOfFinanceIncomeExpenseTableTextBlock_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureInterestsInAssociatesTables" xlink:type="extended" xlink:title="32203 - Disclosure - Interests in associates (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract_1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract_1" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTables" xlink:type="extended" xlink:title="32303 - Disclosure - Financial assets at fair value through other comprehensive income (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract_1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_TabularDisclosureOfInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTableTextBlock" xlink:label="adxn_TabularDisclosureOfInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTableTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract_1" xlink:to="adxn_TabularDisclosureOfInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTableTextBlock_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureDerivativeFinancialInstrumentsTables" xlink:type="extended" xlink:title="32403 - Disclosure - Derivative financial instruments (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsAbstract_2" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfFairValueMeasurementOfDerivativeFinancialInstrumentsTextBlock" xlink:label="adxn_DisclosureOfFairValueMeasurementOfDerivativeFinancialInstrumentsTextBlock_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsAbstract_2" xlink:to="adxn_DisclosureOfFairValueMeasurementOfDerivativeFinancialInstrumentsTextBlock_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsAbstract_2" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsAbstract_2" xlink:to="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureLossPerShareTables" xlink:type="extended" xlink:title="32503 - Disclosure - Loss per share (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareExplanatory" xlink:label="ifrs-full_EarningsPerShareExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_EarningsPerShareExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRelatedPartyTransactionsTables" xlink:type="extended" xlink:title="32603 - Disclosure - Related party transactions (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RelatedPartyTransactionsAbstract" xlink:label="RelatedPartyTransactionsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:label="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyTransactionsAbstract" xlink:to="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureGeneralInformationDetails" xlink:type="extended" xlink:title="40101 - Disclosure - General information (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_GeneralInformationAbstract" xlink:label="adxn_GeneralInformationAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_GeneralInformationAbstract" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369620248" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369620248" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NeurosterixUsHoldingsLlcMember" xlink:label="adxn_NeurosterixUsHoldingsLlcMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369620248" xlink:to="adxn_NeurosterixUsHoldingsLlcMember_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369620248" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369620248" xlink:to="ifrs-full_ProportionOfOwnershipInterestInAssociate_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureMaterialAccountingEstimatesAndJudgmentsDetails" xlink:type="extended" xlink:title="40301 - Disclosure - Material accounting estimates and judgments - (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_CriticalAccountingEstimatesAndJudgmentsAbstract" xlink:label="CriticalAccountingEstimatesAndJudgmentsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CriticalAccountingEstimatesAndJudgmentsAbstract" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369620248" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369620248" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NeurosterixUsHoldingsLlcMember" xlink:label="adxn_NeurosterixUsHoldingsLlcMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369620248" xlink:to="adxn_NeurosterixUsHoldingsLlcMember_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369620248" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369620248" xlink:to="ifrs-full_ProportionOfOwnershipInterestInAssociate_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLoss" xlink:label="ifrs-full_ImpairmentLoss_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369620248" xlink:to="ifrs-full_ImpairmentLoss_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureSegmentInformationDetails" xlink:type="extended" xlink:title="40501 - Disclosure - Segment information (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:label="DisclosureOfOperatingSegmentsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsTable_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfOperatingSegmentsAbstract" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsTable_639261867369620248" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorCustomersAxis" xlink:label="ifrs-full_MajorCustomersAxis_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable_639261867369620248" xlink:to="ifrs-full_MajorCustomersAxis_639261867369620248" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorCustomersDomain" xlink:label="ifrs-full_MajorCustomersDomain_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_MajorCustomersAxis_639261867369620248" xlink:to="ifrs-full_MajorCustomersDomain_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NeurosterixGroupMember" xlink:label="adxn_NeurosterixGroupMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_MajorCustomersDomain_639261867369620248" xlink:to="adxn_NeurosterixGroupMember_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividuallyInsignificantCounterpartiesMember" xlink:label="ifrs-full_IndividuallyInsignificantCounterpartiesMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_MajorCustomersDomain_639261867369620248" xlink:to="ifrs-full_IndividuallyInsignificantCounterpartiesMember_639261867369620248" order="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="ifrs-full_GeographicalAreasAxis_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable_639261867369620248" xlink:to="ifrs-full_GeographicalAreasAxis_639261867369620248" order="2" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasDomain" xlink:label="ifrs-full_GeographicalAreasDomain_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_GeographicalAreasAxis_639261867369620248" xlink:to="ifrs-full_GeographicalAreasDomain_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CH" xlink:label="country_CH_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_GeographicalAreasDomain_639261867369620248" xlink:to="country_CH_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US" xlink:label="country_US_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_GeographicalAreasDomain_639261867369620248" xlink:to="country_US_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_FR" xlink:label="country_FR_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_GeographicalAreasDomain_639261867369620248" xlink:to="country_FR_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable_639261867369620248" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsLineItems_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfSegments" xlink:label="adxn_NumberOfSegments_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems_639261867369620248" xlink:to="adxn_NumberOfSegments_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncomeRecognisedForServicesReceivedAtZeroCosts" xlink:label="adxn_IncomeRecognisedForServicesReceivedAtZeroCosts_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems_639261867369620248" xlink:to="adxn_IncomeRecognisedForServicesReceivedAtZeroCosts_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MiscellaneousOtherOperatingIncome" xlink:label="ifrs-full_MiscellaneousOtherOperatingIncome_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems_639261867369620248" xlink:to="ifrs-full_MiscellaneousOtherOperatingIncome_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueAndOperatingIncome" xlink:label="ifrs-full_RevenueAndOperatingIncome_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems_639261867369620248" xlink:to="ifrs-full_RevenueAndOperatingIncome_639261867369620248" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems_639261867369620248" xlink:to="ifrs-full_NoncurrentAssets_639261867369620248" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingExpense" xlink:label="ifrs-full_OperatingExpense_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems_639261867369620248" xlink:to="ifrs-full_OperatingExpense_639261867369620248" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems_639261867369620248" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_639261867369620248" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureCashAndCashEquivalentsDetails" xlink:type="extended" xlink:title="40601 - Disclosure - Cash and cash equivalents (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalentsAbstract" xlink:label="CashAndCashEquivalentsAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_CashAndCashEquivalentsTable" xlink:label="adxn_CashAndCashEquivalentsTable_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashAndCashEquivalentsAbstract" xlink:to="adxn_CashAndCashEquivalentsTable_639261867369620248" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CurrencyAxis" xlink:label="srt_CurrencyAxis_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_CashAndCashEquivalentsTable_639261867369620248" xlink:to="srt_CurrencyAxis_639261867369620248" order="1" use="optional" priority="3" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_CurrencyAxis_639261867369620248" xlink:to="currency_AllCurrenciesDomain_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_CHF" xlink:label="currency_CHF_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="currency_AllCurrenciesDomain_639261867369620248" xlink:to="currency_CHF_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_USD" xlink:label="currency_USD_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="currency_AllCurrenciesDomain_639261867369620248" xlink:to="currency_USD_639261867369620248" order="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_EUR" xlink:label="currency_EUR_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="currency_AllCurrenciesDomain_639261867369620248" xlink:to="currency_EUR_639261867369620248" order="3" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_GBP" xlink:label="currency_GBP_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="currency_AllCurrenciesDomain_639261867369620248" xlink:to="currency_GBP_639261867369620248" order="4" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExternalCreditGradesAxis" xlink:label="ifrs-full_ExternalCreditGradesAxis_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_CashAndCashEquivalentsTable_639261867369620248" xlink:to="ifrs-full_ExternalCreditGradesAxis_639261867369620248" order="2" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExternalCreditGradesDomain" xlink:label="ifrs-full_ExternalCreditGradesDomain_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ExternalCreditGradesAxis_639261867369620248" xlink:to="ifrs-full_ExternalCreditGradesDomain_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_P1Or1Member" xlink:label="adxn_P1Or1Member_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ExternalCreditGradesDomain_639261867369620248" xlink:to="adxn_P1Or1Member_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_CashAndCashEquivalentLineItems" xlink:label="adxn_CashAndCashEquivalentLineItems_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_CashAndCashEquivalentsTable_639261867369620248" xlink:to="adxn_CashAndCashEquivalentLineItems_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Cash" xlink:label="ifrs-full_Cash_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_CashAndCashEquivalentLineItems_639261867369620248" xlink:to="ifrs-full_Cash_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_CashAndCashEquivalentLineItems_639261867369620248" xlink:to="ifrs-full_CashAndCashEquivalents_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PercentageOfCashAndCashEquivalents" xlink:label="adxn_PercentageOfCashAndCashEquivalents_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_CashAndCashEquivalentLineItems_639261867369620248" xlink:to="adxn_PercentageOfCashAndCashEquivalents_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfSwissBanksUsed" xlink:label="adxn_NumberOfSwissBanksUsed_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_CashAndCashEquivalentLineItems_639261867369620248" xlink:to="adxn_NumberOfSwissBanksUsed_639261867369620248" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureOtherCurrentAssetsDetails" xlink:type="extended" xlink:title="40701 - Disclosure - Other current assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OtherCurrentAssetsAbstract" xlink:label="OtherCurrentAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfOtherCurrentAssetsTable" xlink:label="adxn_DisclosureOfOtherCurrentAssetsTable_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCurrentAssetsAbstract" xlink:to="adxn_DisclosureOfOtherCurrentAssetsTable_639261867369620248" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_DisclosureOfOtherCurrentAssetsTable_639261867369620248" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369620248" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369620248" xlink:to="ifrs-full_CarryingAmountMember_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountMember_639261867369620248" xlink:to="ifrs-full_AccumulatedImpairmentMember_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_DisclosureOfOtherCurrentAssetsTable_639261867369620248" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsAxis_639261867369620248" order="2" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis_639261867369620248" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_ContractAssetsAndTradeAndOtherReceivablesMember" xlink:label="adxn_ContractAssetsAndTradeAndOtherReceivablesMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369620248" xlink:to="adxn_ContractAssetsAndTradeAndOtherReceivablesMember_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DisclosureOfOtherCurrentAssetsLineItems" xlink:label="adxn_DisclosureOfOtherCurrentAssetsLineItems_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_DisclosureOfOtherCurrentAssetsTable_639261867369620248" xlink:to="adxn_DisclosureOfOtherCurrentAssetsLineItems_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentFinancialAssets" xlink:label="ifrs-full_OtherCurrentFinancialAssets_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_DisclosureOfOtherCurrentAssetsLineItems_639261867369620248" xlink:to="ifrs-full_OtherCurrentFinancialAssets_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_DisclosureOfOtherCurrentAssetsLineItems_639261867369620248" xlink:to="ifrs-full_TradeAndOtherCurrentReceivables_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentPrepayments" xlink:label="ifrs-full_CurrentPrepayments_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_DisclosureOfOtherCurrentAssetsLineItems_639261867369620248" xlink:to="ifrs-full_CurrentPrepayments_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentAssets" xlink:label="ifrs-full_OtherCurrentAssets_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_DisclosureOfOtherCurrentAssetsLineItems_639261867369620248" xlink:to="ifrs-full_OtherCurrentAssets_639261867369620248" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseInOtherCurrentAsset" xlink:label="adxn_IncreaseDecreaseInOtherCurrentAsset_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_DisclosureOfOtherCurrentAssetsLineItems_639261867369620248" xlink:to="adxn_IncreaseDecreaseInOtherCurrentAsset_639261867369620248" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_DisclosureOfOtherCurrentAssetsLineItems_639261867369620248" xlink:to="ifrs-full_FinancialAssets_639261867369620248" order="6" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRightOfUseAssetsDetails" xlink:type="extended" xlink:title="40801 - Disclosure - Right-of-use assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:label="DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_639261867369620248" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="ifrs-full_ClassesOfAssetsAxis_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_639261867369620248" xlink:to="ifrs-full_ClassesOfAssetsAxis_639261867369620248" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsDomain" xlink:label="ifrs-full_ClassesOfAssetsDomain_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfAssetsAxis_639261867369620248" xlink:to="ifrs-full_ClassesOfAssetsDomain_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LandAndBuildingsMember" xlink:label="ifrs-full_LandAndBuildingsMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfAssetsDomain_639261867369620248" xlink:to="ifrs-full_LandAndBuildingsMember_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_639261867369620248" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369620248" order="2" use="optional" priority="3" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369620248" xlink:to="ifrs-full_CarryingAmountMember_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountMember_639261867369620248" xlink:to="ifrs-full_GrossCarryingAmountMember_639261867369620248" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:label="ifrs-full_AccumulatedDepreciationAndAmortisationMember_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountMember_639261867369620248" xlink:to="ifrs-full_AccumulatedDepreciationAndAmortisationMember_639261867369620248" order="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_639261867369620248" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssets" xlink:label="ifrs-full_RightofuseAssets_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_639261867369620248" xlink:to="ifrs-full_RightofuseAssets_639261867369620248" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_639261867369620248" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets_639261867369620248" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationRightofuseAssets" xlink:label="ifrs-full_DepreciationRightofuseAssets_639261867369620248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_639261867369620248" xlink:to="ifrs-full_DepreciationRightofuseAssets_639261867369620248" order="3" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssets" xlink:label="ifrs-full_RightofuseAssets_6392618673696202481" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_639261867369620248" xlink:to="ifrs-full_RightofuseAssets_6392618673696202481" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureEquipmentDetails" xlink:type="extended" xlink:title="40901 - Disclosure - Equipment (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:label="PropertyPlantAndEquipmentAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentAbstract" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_639261867369775762" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_639261867369775762" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_639261867369775762" order="1" use="optional" priority="3" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_639261867369775762" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IfrsEquipmentMember" xlink:label="adxn_IfrsEquipmentMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_639261867369775762" xlink:to="adxn_IfrsEquipmentMember_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_639261867369775762" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369775762" order="2" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369775762" xlink:to="ifrs-full_CarryingAmountMember_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountMember_639261867369775762" xlink:to="ifrs-full_GrossCarryingAmountMember_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:label="ifrs-full_AccumulatedDepreciationAndAmortisationMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountMember_639261867369775762" xlink:to="ifrs-full_AccumulatedDepreciationAndAmortisationMember_639261867369775762" order="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_639261867369775762" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_639261867369775762" xlink:to="ifrs-full_PropertyPlantAndEquipment_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipment_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_639261867369775762" xlink:to="ifrs-full_DepreciationPropertyPlantAndEquipment_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment_6392618673697757621" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_639261867369775762" xlink:to="ifrs-full_PropertyPlantAndEquipment_6392618673697757621" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureIntangibleAssetsDetails" xlink:type="extended" xlink:title="41001 - Disclosure - Intangible assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsAbstract_2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsAbstract_2" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsTable_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsTable_639261867369775762" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_639261867369775762" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_ServiceAgreementMember" xlink:label="adxn_ServiceAgreementMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_639261867369775762" xlink:to="adxn_ServiceAgreementMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsTable_639261867369775762" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_639261867369775762" xlink:to="ifrs-full_CarryingAmountMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountMember_639261867369775762" xlink:to="ifrs-full_GrossCarryingAmountMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:label="ifrs-full_AccumulatedDepreciationAndAmortisationMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CarryingAmountMember_639261867369775762" xlink:to="ifrs-full_AccumulatedDepreciationAndAmortisationMember_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsTable_639261867369775762" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsLineItems_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems_639261867369775762" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems_639261867369775762" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncomeRecognisedForServicesReceivedAtZeroCosts" xlink:label="adxn_IncomeRecognisedForServicesReceivedAtZeroCosts_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems_639261867369775762" xlink:to="adxn_IncomeRecognisedForServicesReceivedAtZeroCosts_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_ExpensesRecognisedForServicesReceivedAtZeroCosts" xlink:label="adxn_ExpensesRecognisedForServicesReceivedAtZeroCosts_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems_639261867369775762" xlink:to="adxn_ExpensesRecognisedForServicesReceivedAtZeroCosts_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureNonCurrentFinancialAssetsDetails" xlink:type="extended" xlink:title="41101 - Disclosure - Non-current financial assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfNoncurrentFinancialAssetsAbstract" xlink:label="CategoriesOfNoncurrentFinancialAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermDeposits" xlink:label="ifrs-full_LongtermDeposits_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CategoriesOfNoncurrentFinancialAssetsAbstract" xlink:to="ifrs-full_LongtermDeposits_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentFinancialAssets" xlink:label="ifrs-full_NoncurrentFinancialAssets_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CategoriesOfNoncurrentFinancialAssetsAbstract" xlink:to="ifrs-full_NoncurrentFinancialAssets_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosurePayablesAccrualsAndOtherCurrentLiabilitiesDetails" xlink:type="extended" xlink:title="41201 - Disclosure - Payables, accruals and other current liabilities (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PayablesAccrualsAbstract" xlink:label="PayablesAccrualsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PayablesAccrualsAbstract" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:label="ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PayablesAccrualsAbstract" xlink:to="ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccrualsClassifiedAsCurrent" xlink:label="ifrs-full_AccrualsClassifiedAsCurrent_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PayablesAccrualsAbstract" xlink:to="ifrs-full_AccrualsClassifiedAsCurrent_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentLiabilities" xlink:label="ifrs-full_OtherCurrentLiabilities_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PayablesAccrualsAbstract" xlink:to="ifrs-full_OtherCurrentLiabilities_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_TradeAndOtherCurrentPayablesAndOtherCurrentLiabilities" xlink:label="adxn_TradeAndOtherCurrentPayablesAndOtherCurrentLiabilities_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PayablesAccrualsAbstract" xlink:to="adxn_TradeAndOtherCurrentPayablesAndOtherCurrentLiabilities_639261867369775762" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_MaturityPeriodOfPayables" xlink:label="adxn_MaturityPeriodOfPayables_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PayablesAccrualsAbstract" xlink:to="adxn_MaturityPeriodOfPayables_639261867369775762" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseInPayablesAccrualsAndOtherCurrentLiabilities" xlink:label="adxn_IncreaseDecreaseInPayablesAccrualsAndOtherCurrentLiabilities_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PayablesAccrualsAbstract" xlink:to="adxn_IncreaseDecreaseInPayablesAccrualsAndOtherCurrentLiabilities_639261867369775762" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureShareCapitalDetails" xlink:type="extended" xlink:title="41301 - Disclosure - Share capital (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:label="DisclosureOfClassesOfShareCapitalAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfClassesOfShareCapitalAbstract" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalTable_639261867369775762" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="ifrs-full_ClassesOfShareCapitalAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalTable_639261867369775762" xlink:to="ifrs-full_ClassesOfShareCapitalAxis_639261867369775762" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain" xlink:label="ifrs-full_ClassesOfShareCapitalDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfShareCapitalAxis_639261867369775762" xlink:to="ifrs-full_ClassesOfShareCapitalDomain_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OrdinarySharesMember" xlink:label="ifrs-full_OrdinarySharesMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfShareCapitalDomain_639261867369775762" xlink:to="ifrs-full_OrdinarySharesMember_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_SharesHeldInTreasuryMember" xlink:label="adxn_SharesHeldInTreasuryMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfShareCapitalDomain_639261867369775762" xlink:to="adxn_SharesHeldInTreasuryMember_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AdrMember" xlink:label="dei_AdrMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfShareCapitalDomain_639261867369775762" xlink:to="dei_AdrMember_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesAxis" xlink:label="ifrs-full_CounterpartiesAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalTable_639261867369775762" xlink:to="ifrs-full_CounterpartiesAxis_639261867369775762" order="2" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesDomain" xlink:label="ifrs-full_CounterpartiesDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CounterpartiesAxis_639261867369775762" xlink:to="ifrs-full_CounterpartiesDomain_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_KeplerCapitalMarketsSaMember" xlink:label="adxn_KeplerCapitalMarketsSaMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CounterpartiesDomain_639261867369775762" xlink:to="adxn_KeplerCapitalMarketsSaMember_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IfrsBalanceSheetLocationAxis" xlink:label="adxn_IfrsBalanceSheetLocationAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalTable_639261867369775762" xlink:to="adxn_IfrsBalanceSheetLocationAxis_639261867369775762" order="3" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_BalanceSheetLocationMember" xlink:label="adxn_BalanceSheetLocationMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_IfrsBalanceSheetLocationAxis_639261867369775762" xlink:to="adxn_BalanceSheetLocationMember_639261867369775762" order="1" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasurySharesMember" xlink:label="ifrs-full_TreasurySharesMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_BalanceSheetLocationMember_639261867369775762" xlink:to="ifrs-full_TreasurySharesMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OtherFinancialAssetsMember" xlink:label="adxn_OtherFinancialAssetsMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_BalanceSheetLocationMember_639261867369775762" xlink:to="adxn_OtherFinancialAssetsMember_639261867369775762" order="2" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_TypeOfTreasuryShareTransactionAxis" xlink:label="adxn_TypeOfTreasuryShareTransactionAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalTable_639261867369775762" xlink:to="adxn_TypeOfTreasuryShareTransactionAxis_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_TypeOfTreasuryShareTransactionDomain" xlink:label="adxn_TypeOfTreasuryShareTransactionDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_TypeOfTreasuryShareTransactionAxis_639261867369775762" xlink:to="adxn_TypeOfTreasuryShareTransactionDomain_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_TreasurySharesSoldThroughAtMarketAgreementUnderFormOfAdsMember" xlink:label="adxn_TreasurySharesSoldThroughAtMarketAgreementUnderFormOfAdsMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_TypeOfTreasuryShareTransactionDomain_639261867369775762" xlink:to="adxn_TreasurySharesSoldThroughAtMarketAgreementUnderFormOfAdsMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_TreasurySharesSoldUnderSaleAgencyAgreementMember" xlink:label="adxn_TreasurySharesSoldUnderSaleAgencyAgreementMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_TypeOfTreasuryShareTransactionDomain_639261867369775762" xlink:to="adxn_TreasurySharesSoldUnderSaleAgencyAgreementMember_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalTable_639261867369775762" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssued" xlink:label="ifrs-full_NumberOfSharesIssued_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="ifrs-full_NumberOfSharesIssued_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates" xlink:label="ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesOutstanding" xlink:label="ifrs-full_NumberOfSharesOutstanding_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="ifrs-full_NumberOfSharesOutstanding_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_SaleOfTreasuryShares" xlink:label="adxn_SaleOfTreasuryShares_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="adxn_SaleOfTreasuryShares_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfTreasurySharesSoldPurchased" xlink:label="adxn_NumberOfTreasurySharesSoldPurchased_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="adxn_NumberOfTreasurySharesSoldPurchased_639261867369775762" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AcquisitionOfSharesForfeitedFromDeferredStrikePricePaymentPlan" xlink:label="adxn_AcquisitionOfSharesForfeitedFromDeferredStrikePricePaymentPlan_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="adxn_AcquisitionOfSharesForfeitedFromDeferredStrikePricePaymentPlan_639261867369775762" order="6" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssued" xlink:label="ifrs-full_NumberOfSharesIssued_6392618673697757621" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="ifrs-full_NumberOfSharesIssued_6392618673697757621" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates" xlink:label="ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates_6392618673697757621" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates_6392618673697757621" order="8" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesOutstanding" xlink:label="ifrs-full_NumberOfSharesOutstanding_6392618673697757621" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="ifrs-full_NumberOfSharesOutstanding_6392618673697757621" order="9" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfSharesReclassedAsTreasurySharesUnderIfrs2TreasuryShares" xlink:label="adxn_NumberOfSharesReclassedAsTreasurySharesUnderIfrs2TreasuryShares_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="adxn_NumberOfSharesReclassedAsTreasurySharesUnderIfrs2TreasuryShares_639261867369775762" order="10" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfSharesReclassedAsTreasurySharesUnderIfrs2SharesOutstanding" xlink:label="adxn_NumberOfSharesReclassedAsTreasurySharesUnderIfrs2SharesOutstanding_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="adxn_NumberOfSharesReclassedAsTreasurySharesUnderIfrs2SharesOutstanding_639261867369775762" order="11" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfSharesIssuedIncludingIfrs2Shares" xlink:label="adxn_NumberOfSharesIssuedIncludingIfrs2Shares_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="adxn_NumberOfSharesIssuedIncludingIfrs2Shares_639261867369775762" order="12" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfTreasurySharesIncludingIfrs2Shares" xlink:label="adxn_NumberOfTreasurySharesIncludingIfrs2Shares_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="adxn_NumberOfTreasurySharesIncludingIfrs2Shares_639261867369775762" order="13" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfSharesOutstandingIncludingIfrs2Shares" xlink:label="adxn_NumberOfSharesOutstandingIncludingIfrs2Shares_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="adxn_NumberOfSharesOutstandingIncludingIfrs2Shares_639261867369775762" order="14" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasuryShares" xlink:label="ifrs-full_TreasuryShares_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="ifrs-full_TreasuryShares_639261867369775762" order="15" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="2" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_ShareSalePrice" xlink:label="adxn_ShareSalePrice_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="adxn_ShareSalePrice_639261867369775762" order="16" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_SaleOfTreasuryShare" xlink:label="adxn_SaleOfTreasuryShare_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_639261867369775762" xlink:to="adxn_SaleOfTreasuryShare_639261867369775762" order="17" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureShareBasedCompensationDetails" xlink:type="extended" xlink:title="41401 - Disclosure - Share-based compensation (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:label="DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureShareBasedCompensationShareOptionsOrSharesOutstandingDetails" xlink:type="extended" xlink:title="41402 - Disclosure - Share-based compensation - Share options or shares outstanding (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:label="DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_2" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_639261867369775762" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_639261867369775762" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_639261867369775762" order="1" use="optional" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_639261867369775762" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShareOptionsMember" xlink:label="ifrs-full_ShareOptionsMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_639261867369775762" xlink:to="ifrs-full_ShareOptionsMember_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_EmployeeShareOptionPlansMember" xlink:label="adxn_EmployeeShareOptionPlansMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ShareOptionsMember_639261867369775762" xlink:to="adxn_EmployeeShareOptionPlansMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DeferredStrikePricePaymentPlanMember" xlink:label="adxn_DeferredStrikePricePaymentPlanMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_639261867369775762" xlink:to="adxn_DeferredStrikePricePaymentPlanMember_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_639261867369775762" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOutstandingShareOptions" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_639261867369775762" xlink:to="ifrs-full_NumberOfOutstandingShareOptions_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_639261867369775762" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRetirementBenefitsObligationsComprehensiveLossDetails" xlink:type="extended" xlink:title="41501 - Disclosure - Retirement benefits obligations - Comprehensive loss (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansAbstract_1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentServiceCostDefinedBenefitPlans" xlink:label="ifrs-full_CurrentServiceCostDefinedBenefitPlans_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansAbstract_1" xlink:to="ifrs-full_CurrentServiceCostDefinedBenefitPlans_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseDefinedBenefitPlans" xlink:label="ifrs-full_InterestExpenseDefinedBenefitPlans_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansAbstract_1" xlink:to="ifrs-full_InterestExpenseDefinedBenefitPlans_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestIncomeDefinedBenefitPlans" xlink:label="ifrs-full_InterestIncomeDefinedBenefitPlans_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansAbstract_1" xlink:to="ifrs-full_InterestIncomeDefinedBenefitPlans_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansAbstract_1" xlink:to="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRetirementBenefitsObligationsBalanceSheetDetails" xlink:type="extended" xlink:title="41502 - Disclosure - Retirement benefits obligations - Balance sheet (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:label="DisclosureOfDefinedBenefitPlansAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfDefinedBenefitPlansAbstract" xlink:to="ifrs-full_DisclosureOfDefinedBenefitPlansTable_639261867369775762" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansTable_639261867369775762" xlink:to="ifrs-full_NetDefinedBenefitLiabilityAssetAxis_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NetDefinedBenefitLiabilityAssetAxis_639261867369775762" xlink:to="ifrs-full_NetDefinedBenefitLiabilityAssetDomain_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:label="ifrs-full_PresentValueOfDefinedBenefitObligationMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NetDefinedBenefitLiabilityAssetDomain_639261867369775762" xlink:to="ifrs-full_PresentValueOfDefinedBenefitObligationMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PlanAssetsMember" xlink:label="ifrs-full_PlanAssetsMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NetDefinedBenefitLiabilityAssetDomain_639261867369775762" xlink:to="ifrs-full_PlanAssetsMember_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansTable_639261867369775762" xlink:to="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_639261867369775762" xlink:to="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAsset_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_639261867369775762" xlink:to="ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAsset_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRevenueFromContractWithCustomerDetails" xlink:type="extended" xlink:title="41601 - Disclosure - Revenue from contract with customer (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_RevenueFromContractsWithCustomersAbstract" xlink:label="RevenueFromContractsWithCustomersAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:label="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RevenueFromContractsWithCustomersAbstract" xlink:to="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_639261867369775762" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesAxis" xlink:label="ifrs-full_CounterpartiesAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_639261867369775762" xlink:to="ifrs-full_CounterpartiesAxis_639261867369775762" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesDomain" xlink:label="ifrs-full_CounterpartiesDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CounterpartiesAxis_639261867369775762" xlink:to="ifrs-full_CounterpartiesDomain_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IndiviorPlcMember" xlink:label="adxn_IndiviorPlcMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CounterpartiesDomain_639261867369775762" xlink:to="adxn_IndiviorPlcMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_JanssenPharmaceuticalsInc.Member" xlink:label="adxn_JanssenPharmaceuticalsInc.Member_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CounterpartiesDomain_639261867369775762" xlink:to="adxn_JanssenPharmaceuticalsInc.Member_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:label="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_639261867369775762" xlink:to="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromContractsWithCustomers" xlink:label="ifrs-full_RevenueFromContractsWithCustomers_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_639261867369775762" xlink:to="ifrs-full_RevenueFromContractsWithCustomers_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureOtherIncomeDetails" xlink:type="extended" xlink:title="41701 - Disclosure - Other income (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IfrsOtherIncomeAbstract" xlink:label="IfrsOtherIncomeAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OtherIncomeTable" xlink:label="adxn_OtherIncomeTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IfrsOtherIncomeAbstract" xlink:to="adxn_OtherIncomeTable_639261867369775762" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesAxis" xlink:label="ifrs-full_CounterpartiesAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_OtherIncomeTable_639261867369775762" xlink:to="ifrs-full_CounterpartiesAxis_639261867369775762" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesDomain" xlink:label="ifrs-full_CounterpartiesDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CounterpartiesAxis_639261867369775762" xlink:to="ifrs-full_CounterpartiesDomain_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NeurosterixGroupMember" xlink:label="adxn_NeurosterixGroupMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CounterpartiesDomain_639261867369775762" xlink:to="adxn_NeurosterixGroupMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OtherIncomeLineItems" xlink:label="adxn_OtherIncomeLineItems_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_OtherIncomeTable_639261867369775762" xlink:to="adxn_OtherIncomeLineItems_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherIncome" xlink:label="ifrs-full_OtherIncome_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_OtherIncomeLineItems_639261867369775762" xlink:to="ifrs-full_OtherIncome_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureOperatingCostsDetails" xlink:type="extended" xlink:title="41801 - Disclosure - Operating costs (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OperatingCostsAbstract" xlink:label="OperatingCostsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="ifrs-full_EmployeeBenefitsExpense_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="ifrs-full_EmployeeBenefitsExpense_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationExpense" xlink:label="ifrs-full_DepreciationExpense_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="ifrs-full_DepreciationExpense_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_ExternalResearchAndDevelopmentCosts" xlink:label="adxn_ExternalResearchAndDevelopmentCosts_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="adxn_ExternalResearchAndDevelopmentCosts_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PatentMaintenanceAndRegistrationCosts" xlink:label="adxn_PatentMaintenanceAndRegistrationCosts_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="adxn_PatentMaintenanceAndRegistrationCosts_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfessionalFeesExpense" xlink:label="ifrs-full_ProfessionalFeesExpense_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="ifrs-full_ProfessionalFeesExpense_639261867369775762" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InsuranceExpense" xlink:label="ifrs-full_InsuranceExpense_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="ifrs-full_InsuranceExpense_639261867369775762" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_ExpensesRecognisedForServicesReceivedAtZeroCosts" xlink:label="adxn_ExpensesRecognisedForServicesReceivedAtZeroCosts_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="adxn_ExpensesRecognisedForServicesReceivedAtZeroCosts_639261867369775762" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherExpenseByNature" xlink:label="ifrs-full_OtherExpenseByNature_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="ifrs-full_OtherExpenseByNature_639261867369775762" order="8" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingExpense" xlink:label="ifrs-full_OperatingExpense_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="ifrs-full_OperatingExpense_639261867369775762" order="9" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureOperatingCostsAdditionalInformationDetails" xlink:type="extended" xlink:title="41802 - Disclosure - Operating costs - Additional Information (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_OperatingCostsAbstract" xlink:label="OperatingCostsAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseInOperatingExpenses" xlink:label="adxn_IncreaseDecreaseInOperatingExpenses_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="adxn_IncreaseDecreaseInOperatingExpenses_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseInProfessionalFees" xlink:label="adxn_IncreaseDecreaseInProfessionalFees_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="adxn_IncreaseDecreaseInProfessionalFees_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseInExternalResearchDevelopmentAndPatentCosts" xlink:label="adxn_IncreaseDecreaseInExternalResearchDevelopmentAndPatentCosts_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="adxn_IncreaseDecreaseInExternalResearchDevelopmentAndPatentCosts_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseInExpensesRecognizedForServicesReceivedAtZeroCost" xlink:label="adxn_IncreaseDecreaseInExpensesRecognizedForServicesReceivedAtZeroCost_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="adxn_IncreaseDecreaseInExpensesRecognizedForServicesReceivedAtZeroCost_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseInEmployeeBenefitsExpenses" xlink:label="adxn_IncreaseDecreaseInEmployeeBenefitsExpenses_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingCostsAbstract" xlink:to="adxn_IncreaseDecreaseInEmployeeBenefitsExpenses_639261867369775762" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureStaffCostsDetails" xlink:type="extended" xlink:title="41901 - Disclosure - Staff costs (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:label="ClassesOfEmployeeBenefitsExpenseAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WagesAndSalaries" xlink:label="ifrs-full_WagesAndSalaries_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="ifrs-full_WagesAndSalaries_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SocialSecurityContributions" xlink:label="ifrs-full_SocialSecurityContributions_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="ifrs-full_SocialSecurityContributions_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="ifrs-full_EmployeeBenefitsExpense_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="ifrs-full_EmployeeBenefitsExpense_639261867369775762" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="3" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureStaffCostsAdditionalInformationDetails" xlink:type="extended" xlink:title="41902 - Disclosure - Staff costs - Additional Information (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:label="ClassesOfEmployeeBenefitsExpenseAbstract" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseInEmployeeBenefitsExpenses" xlink:label="adxn_IncreaseDecreaseInEmployeeBenefitsExpenses_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="adxn_IncreaseDecreaseInEmployeeBenefitsExpenses_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureFinanceResultNetDetails" xlink:type="extended" xlink:title="42001 - Disclosure - Finance result, net (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_FinanceCostsAbstract" xlink:label="adxn_FinanceCostsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpense" xlink:label="ifrs-full_InterestExpense_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_FinanceCostsAbstract" xlink:to="ifrs-full_InterestExpense_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:label="ifrs-full_InterestExpenseOnLeaseLiabilities_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_FinanceCostsAbstract" xlink:to="ifrs-full_InterestExpenseOnLeaseLiabilities_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_FinanceCostsAbstract" xlink:to="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="6" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncomeCost" xlink:label="ifrs-full_FinanceIncomeCost_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_FinanceCostsAbstract" xlink:to="ifrs-full_FinanceIncomeCost_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="4" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureDiscontinuedOperationsGeneralDetails" xlink:type="extended" xlink:title="42101 - Disclosure - Discontinued operations - General (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:label="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract_2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable" xlink:label="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract_2" xlink:to="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingAndDiscontinuedOperationsAxis" xlink:label="ifrs-full_ContinuingAndDiscontinuedOperationsAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable_639261867369775762" xlink:to="ifrs-full_ContinuingAndDiscontinuedOperationsAxis_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingOperationsMember" xlink:label="ifrs-full_ContinuingOperationsMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ContinuingAndDiscontinuedOperationsAxis_639261867369775762" xlink:to="ifrs-full_ContinuingOperationsMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DiscontinuedOperationsMember" xlink:label="ifrs-full_DiscontinuedOperationsMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ContinuingOperationsMember_639261867369775762" xlink:to="ifrs-full_DiscontinuedOperationsMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AllostericModulatorDrugDiscoveryTechnologyPlatformAndPortfolioOfPreclinicalProgramsDisposalGroupDiscontinuedOperationsMember" xlink:label="adxn_AllostericModulatorDrugDiscoveryTechnologyPlatformAndPortfolioOfPreclinicalProgramsDisposalGroupDiscontinuedOperationsMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DiscontinuedOperationsMember_639261867369775762" xlink:to="adxn_AllostericModulatorDrugDiscoveryTechnologyPlatformAndPortfolioOfPreclinicalProgramsDisposalGroupDiscontinuedOperationsMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable_639261867369775762" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369775762" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NeurosterixUsHoldingsLlcMember" xlink:label="adxn_NeurosterixUsHoldingsLlcMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369775762" xlink:to="adxn_NeurosterixUsHoldingsLlcMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable_639261867369775762" xlink:to="dei_LegalEntityAxis_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis_639261867369775762" xlink:to="dei_EntityDomain_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NeurosterixPharmaSarlMember" xlink:label="adxn_NeurosterixPharmaSarlMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain_639261867369775762" xlink:to="adxn_NeurosterixPharmaSarlMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems" xlink:label="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable_639261867369775762" xlink:to="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AmountOfCommitmentFundingReceived" xlink:label="adxn_AmountOfCommitmentFundingReceived_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems_639261867369775762" xlink:to="adxn_AmountOfCommitmentFundingReceived_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_GainLossOnDiscontinuanceNetOfTax" xlink:label="adxn_GainLossOnDiscontinuanceNetOfTax_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems_639261867369775762" xlink:to="adxn_GainLossOnDiscontinuanceNetOfTax_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_GrossProceedsFromDisposalOfDiscontinuedOperation" xlink:label="adxn_GrossProceedsFromDisposalOfDiscontinuedOperation_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems_639261867369775762" xlink:to="adxn_GrossProceedsFromDisposalOfDiscontinuedOperation_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AmountOfEquityInterestReceivedOnDisposalOfDiscontinuedOperation" xlink:label="adxn_AmountOfEquityInterestReceivedOnDisposalOfDiscontinuedOperation_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems_639261867369775762" xlink:to="adxn_AmountOfEquityInterestReceivedOnDisposalOfDiscontinuedOperation_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PercentageOfEquityInterestReceived" xlink:label="adxn_PercentageOfEquityInterestReceived_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems_639261867369775762" xlink:to="adxn_PercentageOfEquityInterestReceived_639261867369775762" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureInterestsInAssociatesDetails" xlink:type="extended" xlink:title="42201 - Disclosure - Interests in associates (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract_2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract_2" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369775762" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369775762" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369775762" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NeurosterixUsHoldingsLlcMember" xlink:label="adxn_NeurosterixUsHoldingsLlcMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369775762" xlink:to="adxn_NeurosterixUsHoldingsLlcMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NeurosterixGroupMember" xlink:label="adxn_NeurosterixGroupMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369775762" xlink:to="adxn_NeurosterixGroupMember_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_639261867369775762" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PercentageOfEquityInterestReceived" xlink:label="adxn_PercentageOfEquityInterestReceived_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369775762" xlink:to="adxn_PercentageOfEquityInterestReceived_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369775762" xlink:to="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369775762" xlink:to="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="3" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod_6392618673697757621" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369775762" xlink:to="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod_6392618673697757621" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseInInvestmentsInAssociatesAccountedForUsingEquityMethod" xlink:label="adxn_IncreaseDecreaseInInvestmentsInAssociatesAccountedForUsingEquityMethod_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_639261867369775762" xlink:to="adxn_IncreaseDecreaseInInvestmentsInAssociatesAccountedForUsingEquityMethod_639261867369775762" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeDetails" xlink:type="extended" xlink:title="42301 - Disclosure - Financial assets at fair value through other comprehensive income (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract_2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:label="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract_2" xlink:to="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable_639261867369775762" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_639261867369775762" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_StaliclaSaMember" xlink:label="adxn_StaliclaSaMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain_639261867369775762" xlink:to="adxn_StaliclaSaMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:label="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable_639261867369775762" xlink:to="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PurchaseOfInvestmentsInOtherEntitiesIncludingRelatedFinancialInstruments" xlink:label="adxn_PurchaseOfInvestmentsInOtherEntitiesIncludingRelatedFinancialInstruments_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_639261867369775762" xlink:to="adxn_PurchaseOfInvestmentsInOtherEntitiesIncludingRelatedFinancialInstruments_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PreferredSharesReceivedOnInvestment" xlink:label="adxn_PreferredSharesReceivedOnInvestment_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_639261867369775762" xlink:to="adxn_PreferredSharesReceivedOnInvestment_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_639261867369775762" xlink:to="ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureDerivativeFinancialInstrumentsDetails" xlink:type="extended" xlink:title="42401 - Disclosure - Derivative financial instruments (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsAbstract_1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsAbstract_1" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369775762" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_639261867369775762" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_StaliclaSaMember" xlink:label="adxn_StaliclaSaMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain_639261867369775762" xlink:to="adxn_StaliclaSaMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369775762" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsAxis_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis_639261867369775762" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PhantomSharesMember" xlink:label="adxn_PhantomSharesMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369775762" xlink:to="adxn_PhantomSharesMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AntiDilutionProtectionMember" xlink:label="adxn_AntiDilutionProtectionMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369775762" xlink:to="adxn_AntiDilutionProtectionMember_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WarrantsMember" xlink:label="ifrs-full_WarrantsMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369775762" xlink:to="ifrs-full_WarrantsMember_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_WarrantsReceivedOnInvestmentsClassOneMember" xlink:label="adxn_WarrantsReceivedOnInvestmentsClassOneMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_WarrantsMember_639261867369775762" xlink:to="adxn_WarrantsReceivedOnInvestmentsClassOneMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_WarrantsReceivedOnInvestmentsClassTwoMember" xlink:label="adxn_WarrantsReceivedOnInvestmentsClassTwoMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_WarrantsMember_639261867369775762" xlink:to="adxn_WarrantsReceivedOnInvestmentsClassTwoMember_639261867369775762" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PreferenceSharesMember" xlink:label="ifrs-full_PreferenceSharesMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369775762" xlink:to="ifrs-full_PreferenceSharesMember_639261867369775762" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369775762" xlink:to="ifrs-full_MeasurementAxis_639261867369775762" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_MeasurementAxis_639261867369775762" xlink:to="ifrs-full_MeasurementDomain_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember" xlink:label="ifrs-full_AtFairValueMember_639261867369775762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_MeasurementDomain_639261867369775762" xlink:to="ifrs-full_AtFairValueMember_639261867369775762" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369775762" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAxis_639261867369932672" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:label="ifrs-full_CategoriesOfFinancialAssetsDomain_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAxis_639261867369932672" xlink:to="ifrs-full_CategoriesOfFinancialAssetsDomain_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CategoriesOfFinancialAssetsDomain_639261867369932672" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CategoriesOfFinancialAssetsDomain_639261867369932672" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369775762" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis_639261867369932672" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis_639261867369932672" xlink:to="ifrs-full_LevelsOfFairValueHierarchyDomain_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain_639261867369932672" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369775762" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PhantomSharesReceivedOnInvestment" xlink:label="adxn_PhantomSharesReceivedOnInvestment_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="adxn_PhantomSharesReceivedOnInvestment_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfOrdinarySharesToWhoseProceedsPhantomSharesEntitlephantomSharesReceivedOnInvestment" xlink:label="adxn_NumberOfOrdinarySharesToWhoseProceedsPhantomSharesEntitlephantomSharesReceivedOnInvestment_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="adxn_NumberOfOrdinarySharesToWhoseProceedsPhantomSharesEntitlephantomSharesReceivedOnInvestment_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_WarrantsReceivedOnInvestment" xlink:label="adxn_WarrantsReceivedOnInvestment_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="adxn_WarrantsReceivedOnInvestment_639261867369932672" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_ExercisePeriodOfWarrants" xlink:label="adxn_ExercisePeriodOfWarrants_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="adxn_ExercisePeriodOfWarrants_639261867369932672" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_StrikePriceOfWarrantsReceivedOnInvestment" xlink:label="adxn_StrikePriceOfWarrantsReceivedOnInvestment_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="adxn_StrikePriceOfWarrantsReceivedOnInvestment_639261867369932672" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfOrdinarySharesToWhosePurchaseWarrantsEntitle" xlink:label="adxn_NumberOfOrdinarySharesToWhosePurchaseWarrantsEntitle_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="adxn_NumberOfOrdinarySharesToWhosePurchaseWarrantsEntitle_639261867369932672" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfPreferredSharesToWhosePurchaseWarrantsEntitle" xlink:label="adxn_NumberOfPreferredSharesToWhosePurchaseWarrantsEntitle_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="adxn_NumberOfPreferredSharesToWhosePurchaseWarrantsEntitle_639261867369932672" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:label="ifrs-full_NoncurrentDerivativeFinancialAssets_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="ifrs-full_NoncurrentDerivativeFinancialAssets_639261867369932672" order="8" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AmountNotRecordedAsPhantomSharesDueToCapOnFairValue" xlink:label="adxn_AmountNotRecordedAsPhantomSharesDueToCapOnFairValue_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="adxn_AmountNotRecordedAsPhantomSharesDueToCapOnFairValue_639261867369932672" order="9" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="ifrs-full_FinancialAssets_639261867369932672" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureDerivativeFinancialInstrumentsInputsDetails" xlink:type="extended" xlink:title="42402 - Disclosure - Derivative financial instruments - inputs (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsAbstract_3" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsAbstract_3" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369932672" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_639261867369932672" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_StaliclaSaMember" xlink:label="adxn_StaliclaSaMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain_639261867369932672" xlink:to="adxn_StaliclaSaMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369932672" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsAxis_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis_639261867369932672" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PreferenceSharesMember" xlink:label="ifrs-full_PreferenceSharesMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369932672" xlink:to="ifrs-full_PreferenceSharesMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PhantomSharesMember" xlink:label="adxn_PhantomSharesMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369932672" xlink:to="adxn_PhantomSharesMember_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AntiDilutionProtectionMember" xlink:label="adxn_AntiDilutionProtectionMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369932672" xlink:to="adxn_AntiDilutionProtectionMember_639261867369932672" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WarrantsMember" xlink:label="ifrs-full_WarrantsMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain_639261867369932672" xlink:to="ifrs-full_WarrantsMember_639261867369932672" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_WarrantsReceivedOnInvestmentsClassOneMember" xlink:label="adxn_WarrantsReceivedOnInvestmentsClassOneMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_WarrantsMember_639261867369932672" xlink:to="adxn_WarrantsReceivedOnInvestmentsClassOneMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_WarrantsReceivedOnInvestmentsClassTwoMember" xlink:label="adxn_WarrantsReceivedOnInvestmentsClassTwoMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_WarrantsMember_639261867369932672" xlink:to="adxn_WarrantsReceivedOnInvestmentsClassTwoMember_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnobservableInputsAxis" xlink:label="ifrs-full_UnobservableInputsAxis_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369932672" xlink:to="ifrs-full_UnobservableInputsAxis_639261867369932672" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnobservableInputsDomain" xlink:label="ifrs-full_UnobservableInputsDomain_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_UnobservableInputsAxis_639261867369932672" xlink:to="ifrs-full_UnobservableInputsDomain_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_UnderlyingSharePriceMember" xlink:label="adxn_UnderlyingSharePriceMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_UnobservableInputsDomain_639261867369932672" xlink:to="adxn_UnderlyingSharePriceMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_SalePriceOfSharesMember" xlink:label="adxn_SalePriceOfSharesMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_UnobservableInputsDomain_639261867369932672" xlink:to="adxn_SalePriceOfSharesMember_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369932672" xlink:to="ifrs-full_RangeAxis_639261867369932672" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeDomain" xlink:label="ifrs-full_RangeDomain_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_RangeAxis_639261867369932672" xlink:to="ifrs-full_RangeDomain_639261867369932672" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BottomOfRangeMember" xlink:label="ifrs-full_BottomOfRangeMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_RangeDomain_639261867369932672" xlink:to="ifrs-full_BottomOfRangeMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TopOfRangeMember" xlink:label="ifrs-full_TopOfRangeMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_RangeDomain_639261867369932672" xlink:to="ifrs-full_TopOfRangeMember_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_639261867369932672" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="ifrs-full_FinancialAssets_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantUnobservableInputAssets" xlink:label="ifrs-full_SignificantUnobservableInputAssets_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="ifrs-full_SignificantUnobservableInputAssets_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:label="ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets_639261867369932672" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets_639261867369932672" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:label="ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets_639261867369932672" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets_639261867369932672" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PurchaseOfInvestmentsInOtherEntitiesIncludingRelatedFinancialInstruments" xlink:label="adxn_PurchaseOfInvestmentsInOtherEntitiesIncludingRelatedFinancialInstruments_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_639261867369932672" xlink:to="adxn_PurchaseOfInvestmentsInOtherEntitiesIncludingRelatedFinancialInstruments_639261867369932672" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureLossPerShareDetails" xlink:type="extended" xlink:title="42501 - Disclosure - Loss per share (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:label="ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:label="ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_639261867369932672" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects_639261867369932672" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:label="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity_639261867369932672" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:label="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects_639261867369932672" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageShares" xlink:label="ifrs-full_WeightedAverageShares_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_WeightedAverageShares_639261867369932672" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustedWeightedAverageShares" xlink:label="ifrs-full_AdjustedWeightedAverageShares_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_AdjustedWeightedAverageShares_639261867369932672" order="8" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsPerShareAbstract" xlink:label="ifrs-full_BasicEarningsPerShareAbstract_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_BasicEarningsPerShareAbstract_639261867369932672" order="9" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShare" xlink:label="ifrs-full_BasicEarningsLossPerShare_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_BasicEarningsPerShareAbstract_639261867369932672" xlink:to="ifrs-full_BasicEarningsLossPerShare_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:label="ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_BasicEarningsPerShareAbstract_639261867369932672" xlink:to="ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsPerShareAbstract" xlink:label="ifrs-full_DilutedEarningsPerShareAbstract_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ifrs-full_DilutedEarningsPerShareAbstract_639261867369932672" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare" xlink:label="ifrs-full_DilutedEarningsLossPerShare_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DilutedEarningsPerShareAbstract_639261867369932672" xlink:to="ifrs-full_DilutedEarningsLossPerShare_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:label="ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DilutedEarningsPerShareAbstract_639261867369932672" xlink:to="ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfCategoriesOfDilutivePotentialShares" xlink:label="adxn_NumberOfCategoriesOfDilutivePotentialShares_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="adxn_NumberOfCategoriesOfDilutivePotentialShares_639261867369932672" order="11" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureRelatedPartyTransactionsDetails" xlink:type="extended" xlink:title="42601 - Disclosure - Related party transactions (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RelatedPartyTransactionsAbstract" xlink:label="RelatedPartyTransactionsAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyTransactionsAbstract" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_639261867369932672" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_639261867369932672" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis_639261867369932672" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:label="ifrs-full_CategoriesOfRelatedPartiesDomain_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis_639261867369932672" xlink:to="ifrs-full_CategoriesOfRelatedPartiesDomain_639261867369932672" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:label="ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CategoriesOfRelatedPartiesDomain_639261867369932672" xlink:to="ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NeurosterixPharmaSarlMember" xlink:label="adxn_NeurosterixPharmaSarlMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_CategoriesOfRelatedPartiesDomain_639261867369932672" xlink:to="adxn_NeurosterixPharmaSarlMember_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingAndDiscontinuedOperationsAxis" xlink:label="ifrs-full_ContinuingAndDiscontinuedOperationsAxis_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_639261867369932672" xlink:to="ifrs-full_ContinuingAndDiscontinuedOperationsAxis_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingOperationsMember" xlink:label="ifrs-full_ContinuingOperationsMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ContinuingAndDiscontinuedOperationsAxis_639261867369932672" xlink:to="ifrs-full_ContinuingOperationsMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DiscontinuedOperationsMember" xlink:label="ifrs-full_DiscontinuedOperationsMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ContinuingOperationsMember_639261867369932672" xlink:to="ifrs-full_DiscontinuedOperationsMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AllostericModulatorDrugDiscoveryTechnologyPlatformAndPortfolioOfPreclinicalProgramsDisposalGroupDiscontinuedOperationsMember" xlink:label="adxn_AllostericModulatorDrugDiscoveryTechnologyPlatformAndPortfolioOfPreclinicalProgramsDisposalGroupDiscontinuedOperationsMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DiscontinuedOperationsMember_639261867369932672" xlink:to="adxn_AllostericModulatorDrugDiscoveryTechnologyPlatformAndPortfolioOfPreclinicalProgramsDisposalGroupDiscontinuedOperationsMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_639261867369932672" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369932672" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis_639261867369932672" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369932672" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NeurosterixUsHoldingsLlcMember" xlink:label="adxn_NeurosterixUsHoldingsLlcMember_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesDomain_639261867369932672" xlink:to="adxn_NeurosterixUsHoldingsLlcMember_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_639261867369932672" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_KeyManagementPersonnelCompensationSalariesOtherShortTermEmployeeBenefitsAndPostEmploymentBenefits" xlink:label="adxn_KeyManagementPersonnelCompensationSalariesOtherShortTermEmployeeBenefitsAndPostEmploymentBenefits_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" xlink:to="adxn_KeyManagementPersonnelCompensationSalariesOtherShortTermEmployeeBenefitsAndPostEmploymentBenefits_639261867369932672" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" xlink:to="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_639261867369932672" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensation" xlink:label="ifrs-full_KeyManagementPersonnelCompensation_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" xlink:to="ifrs-full_KeyManagementPersonnelCompensation_639261867369932672" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="5" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_IncreaseDecreaseInKeyManagementPersonnelCompensation" xlink:label="adxn_IncreaseDecreaseInKeyManagementPersonnelCompensation_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" xlink:to="adxn_IncreaseDecreaseInKeyManagementPersonnelCompensation_639261867369932672" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:label="ifrs-full_AmountsPayableRelatedPartyTransactions_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" xlink:to="ifrs-full_AmountsPayableRelatedPartyTransactions_639261867369932672" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_GrossProceedsFromDisposalOfDiscontinuedOperation" xlink:label="adxn_GrossProceedsFromDisposalOfDiscontinuedOperation_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" xlink:to="adxn_GrossProceedsFromDisposalOfDiscontinuedOperation_639261867369932672" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_PercentageOfEquityInterestReceived" xlink:label="adxn_PercentageOfEquityInterestReceived_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" xlink:to="adxn_PercentageOfEquityInterestReceived_639261867369932672" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_AmountOfEquityInterestReceivedOnDisposalOfDiscontinuedOperation" xlink:label="adxn_AmountOfEquityInterestReceivedOnDisposalOfDiscontinuedOperation_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" xlink:to="adxn_AmountOfEquityInterestReceivedOnDisposalOfDiscontinuedOperation_639261867369932672" order="8" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_FairValueOfServiceAgreementProvidedAfterDisposalOfDiscontinuedOperation" xlink:label="adxn_FairValueOfServiceAgreementProvidedAfterDisposalOfDiscontinuedOperation_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_639261867369932672" xlink:to="adxn_FairValueOfServiceAgreementProvidedAfterDisposalOfDiscontinuedOperation_639261867369932672" order="9" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
  <presentationLink xlink:role="http://addextherapeutics.com/role/DisclosureEventsAfterBalanceSheetDateDetails" xlink:type="extended" xlink:title="42701 - Disclosure - Events after the balance sheet date (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:label="DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:to="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_639261867369932672" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_639261867369932672" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_639261867369932672" order="1" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_639261867369932672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_639261867369932672" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_639261867369932672" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorOrdinaryShareTransactionsMember" xlink:label="ifrs-full_MajorOrdinaryShareTransactionsMember_639261867370003083" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_639261867369932672" xlink:to="ifrs-full_MajorOrdinaryShareTransactionsMember_639261867370003083" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PotentialOrdinaryShareTransactionsMember" xlink:label="ifrs-full_PotentialOrdinaryShareTransactionsMember_639261867370003454" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_639261867369932672" xlink:to="ifrs-full_PotentialOrdinaryShareTransactionsMember_639261867370003454" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="ifrs-full_ClassesOfShareCapitalAxis_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_639261867369932672" xlink:to="ifrs-full_ClassesOfShareCapitalAxis_639261867370004355" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain" xlink:label="ifrs-full_ClassesOfShareCapitalDomain_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfShareCapitalAxis_639261867370004355" xlink:to="ifrs-full_ClassesOfShareCapitalDomain_639261867370004355" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AdrMember" xlink:label="dei_AdrMember_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_ClassesOfShareCapitalDomain_639261867370004355" xlink:to="dei_AdrMember_639261867370004355" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_TypeOfTreasuryShareTransactionAxis" xlink:label="adxn_TypeOfTreasuryShareTransactionAxis_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_639261867369932672" xlink:to="adxn_TypeOfTreasuryShareTransactionAxis_639261867370004355" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_TypeOfTreasuryShareTransactionDomain" xlink:label="adxn_TypeOfTreasuryShareTransactionDomain_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_TypeOfTreasuryShareTransactionAxis_639261867370004355" xlink:to="adxn_TypeOfTreasuryShareTransactionDomain_639261867370004355" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_TreasurySharesSoldThroughAtMarketAgreementUnderFormOfAdsMember" xlink:label="adxn_TreasurySharesSoldThroughAtMarketAgreementUnderFormOfAdsMember_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="adxn_TypeOfTreasuryShareTransactionDomain_639261867370004355" xlink:to="adxn_TreasurySharesSoldThroughAtMarketAgreementUnderFormOfAdsMember_639261867370004355" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_639261867369932672" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_639261867370004355" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_639261867370004355" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_639261867370004355" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_DeferredStrikePricePaymentPlanMember" xlink:label="adxn_DeferredStrikePricePaymentPlanMember_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_639261867370004355" xlink:to="adxn_DeferredStrikePricePaymentPlanMember_639261867370004355" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_EmployeeShareOptionPlansMember" xlink:label="adxn_EmployeeShareOptionPlansMember_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_639261867370004355" xlink:to="adxn_EmployeeShareOptionPlansMember_639261867370004355" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_639261867369932672" xlink:to="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_SaleOfTreasuryShares" xlink:label="adxn_SaleOfTreasuryShares_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="adxn_SaleOfTreasuryShares_639261867370004355" order="1" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_ShareSalePrice" xlink:label="adxn_ShareSalePrice_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="adxn_ShareSalePrice_639261867370004355" order="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_SaleOfTreasuryShare" xlink:label="adxn_SaleOfTreasuryShare_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="adxn_SaleOfTreasuryShare_639261867370004355" order="3" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesOutstanding" xlink:label="ifrs-full_NumberOfSharesOutstanding_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="ifrs-full_NumberOfSharesOutstanding_639261867370004355" order="4" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates" xlink:label="ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates_639261867370004355" order="5" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfSharesReclassedAsTreasurySharesUnderIfrs2SharesOutstanding" xlink:label="adxn_NumberOfSharesReclassedAsTreasurySharesUnderIfrs2SharesOutstanding_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="adxn_NumberOfSharesReclassedAsTreasurySharesUnderIfrs2SharesOutstanding_639261867370004355" order="6" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfOtherEquityInstrumentsSubjectToStrikePriceReduction" xlink:label="adxn_NumberOfOtherEquityInstrumentsSubjectToStrikePriceReduction_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="adxn_NumberOfOtherEquityInstrumentsSubjectToStrikePriceReduction_639261867370004355" order="7" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_NumberOfOptionsSubjectToStrikePriceReduction" xlink:label="adxn_NumberOfOptionsSubjectToStrikePriceReduction_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="adxn_NumberOfOptionsSubjectToStrikePriceReduction_639261867370004355" order="8" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_639261867370004355" order="9" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_639261867370004355" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
    <loc xlink:type="locator" xlink:href="adxn-20260630.xsd#adxn_ShareBasedArrangementIncreaseInFairValueFromModification" xlink:label="adxn_ShareBasedArrangementIncreaseInFairValueFromModification_639261867370004355" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_639261867370004355" xlink:to="adxn_ShareBasedArrangementIncreaseInFairValueFromModification_639261867370004355" order="11" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" />
  </presentationLink>
</link:linkbase>
