<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Fri Oct 30 19:16:40 UTC 2026 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" 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">
  <roleRef xlink:type="simple" xlink:href="ck0001949712-20260630.xsd#ck0001949712_r_ConsolidatedBalanceSheet" roleURI="http://www.climaterockholdings.com/role/ConsolidatedBalanceSheet"/>
  <roleRef xlink:type="simple" xlink:href="ck0001949712-20260630.xsd#ck0001949712_r_ConsolidatedBalanceSheetAlt1" roleURI="http://www.climaterockholdings.com/role/ConsolidatedBalanceSheetAlt1"/>
  <roleRef xlink:type="simple" xlink:href="ck0001949712-20260630.xsd#ck0001949712_r_ConsolidatedIncomeStatement" roleURI="http://www.climaterockholdings.com/role/ConsolidatedIncomeStatement"/>
  <roleRef xlink:type="simple" xlink:href="ck0001949712-20260630.xsd#ck0001949712_r_ConsolidatedIncomeStatementAlt1" roleURI="http://www.climaterockholdings.com/role/ConsolidatedIncomeStatementAlt1"/>
  <roleRef xlink:type="simple" xlink:href="ck0001949712-20260630.xsd#ck0001949712_r_ConsolidatedCashFlow" roleURI="http://www.climaterockholdings.com/role/ConsolidatedCashFlow"/>
  <roleRef xlink:type="simple" xlink:href="ck0001949712-20260630.xsd#ck0001949712_r_ConsolidatedCashFlowAlt1" roleURI="http://www.climaterockholdings.com/role/ConsolidatedCashFlowAlt1"/>
  <calculationLink xlink:role="http://www.climaterockholdings.com/role/ConsolidatedBalanceSheet" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssets"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_Cash" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Cash"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_Cash" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_CurrentAssets" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_OtherReserves" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReserves"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_OtherReserves" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarnings"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_RetainedEarnings" order="2" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilities"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentPayables"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_NoncurrentPayables" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" order="2" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_Liabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Liabilities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_CurrentLiabilities" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_EquityAndLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_Equity" order="1" weight="1"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_Liabilities" order="2" weight="1"/>
  </calculationLink>
  <calculationLink xlink:role="http://www.climaterockholdings.com/role/ConsolidatedBalanceSheetAlt1" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_OtherReserves" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReserves"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_OtherReserves" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarnings"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_RetainedEarnings" order="2" weight="1"/>
  </calculationLink>
  <calculationLink xlink:role="http://www.climaterockholdings.com/role/ConsolidatedIncomeStatement" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingExpense"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_GeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeneralAndAdministrativeExpense"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OperatingExpense" xlink:to="ifrs-full_GeneralAndAdministrativeExpense" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_Revenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Revenue"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OperatingExpense" xlink:to="ifrs-full_Revenue" order="2" weight="-1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossFromOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_Revenue" order="1" weight="1"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_OperatingExpense" order="2" weight="-1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ProfitLossFromOperatingActivities" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLossBeforeTax" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" order="2" weight="-1"/>
  </calculationLink>
  <calculationLink xlink:role="http://www.climaterockholdings.com/role/ConsolidatedIncomeStatementAlt1" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingExpense"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_GeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeneralAndAdministrativeExpense"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OperatingExpense" xlink:to="ifrs-full_GeneralAndAdministrativeExpense" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_Revenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Revenue"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OperatingExpense" xlink:to="ifrs-full_Revenue" order="2" weight="-1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossFromOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_Revenue" order="1" weight="1"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_OperatingExpense" order="2" weight="-1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ProfitLossFromOperatingActivities" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLossBeforeTax" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" order="2" weight="-1"/>
  </calculationLink>
  <calculationLink xlink:role="http://www.climaterockholdings.com/role/ConsolidatedCashFlow" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_ProfitLoss" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" order="2" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities" order="2" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromIssuingShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromIssuingShares"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_ProceedsFromIssuingShares" order="3" weight="1"/>
  </calculationLink>
  <calculationLink xlink:role="http://www.climaterockholdings.com/role/ConsolidatedCashFlowAlt1" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_ProfitLoss" order="1" weight="1"/>
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables"/>
<!-- [WMV7][tWllltur25/3slcVdre2pnc7DV5NPElmTWNso6ObpoyfpEY/r5NXmqcYjxb6arQUYEweKQTjVA+C8wmCPEKnkpvvDTpS7BeSLlGm9nTf0D4rWVB550MkO9Gzu/UyqOXLfRiVa7c31xU0te+WIzCs1AAO2LGXrFJ6p9Iq4ylvnFz8KH5kz9bOv9/jZOmOnZleAj5Nd5h3/G/wBjtpwlMYpkcjeKRSAcy5Gv85mzFE2N0KSJd2I3VXY5btDoJRORsbBA/cDfrRBjWFu6X+IiItuGCF2tv82rWlgKCbXIoaZVLe5CX5oHQUPDEfBsZsE4MLVRFK22fdH7OpiWIjgS0EG1Bi3+HXtacofvtGUu7y503cyuldMEbMnsVONEwNLoA=] CSR-->
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" order="2" weight="1"/>
  </calculationLink>
</linkbase>
