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  <xsd:element id="plbc_CollateralDependentLoansLossGainFairValue" name="CollateralDependentLoansLossGainFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_Commercial1stDeedMember" name="Commercial1stDeedMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_CommercialAndResidentialPortfolioSegmentsMember" name="CommercialAndResidentialPortfolioSegmentsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_CommercialLoansMember" name="CommercialLoansMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_CommercialMortgageBackedSecuritiesIssuedByUSGovernmentAgenciesMember" name="CommercialMortgageBackedSecuritiesIssuedByUSGovernmentAgenciesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_CornerstoneCommonStockMember" name="CornerstoneCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_CornerstoneCommunityBancorpMember" name="CornerstoneCommunityBancorpMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_CornerstoneMember" name="CornerstoneMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_CropsMember" name="CropsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_DeferredLoanOriginationCosts" name="DeferredLoanOriginationCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_DepositsAndRepurchaseAgreementsMember" name="DepositsAndRepurchaseAgreementsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_EffectiveIncomeTaxRatePurchaseAccountingAdjustments" name="EffectiveIncomeTaxRatePurchaseAccountingAdjustments" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_EquityLinesOfCreditMember" name="EquityLinesOfCreditMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_FarmlandMember" name="FarmlandMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_FederalReserveBankDiscountWindowProgramMember" name="FederalReserveBankDiscountWindowProgramMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_FinancingReceivableBalanceOfNonaccrualLoansByLoanCategoryTableTextBlock" name="FinancingReceivableBalanceOfNonaccrualLoansByLoanCategoryTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_FinancingReceivableCollateralDependentLoansTableTextBlock" name="FinancingReceivableCollateralDependentLoansTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefaultNumberOfLoans" name="FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefaultNumberOfLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_FinancingReceivableModifiedFinancialEffectTableTextBlock" name="FinancingReceivableModifiedFinancialEffectTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_FinancingReceivableNonaccrualWithNoAllowanceForCreditLosses" name="FinancingReceivableNonaccrualWithNoAllowanceForCreditLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="plbc_FinancingReceivableReversalOfAccruedInterestIncomeTableTextBlock" name="FinancingReceivableReversalOfAccruedInterestIncomeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_GainLossOnSaleOfOtherVehicles" name="GainLossOnSaleOfOtherVehicles" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="plbc_ImpairedLoansFairValue" name="ImpairedLoansFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="plbc_ImpairedLoansMeasurementInput" name="ImpairedLoansMeasurementInput" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant"/>
  <xsd:element id="plbc_ImpairmentOfCollateralDependentLoans" name="ImpairmentOfCollateralDependentLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="plbc_InterchangeRevenue" name="InterchangeRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_LivestockMember" name="LivestockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_LoansNetOfUnfundedCommitmentsMember" name="LoansNetOfUnfundedCommitmentsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_MeasurementInputManagerAdjustmentsMember" name="MeasurementInputManagerAdjustmentsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_NetIncreaseInDemandInterestBearingAndSavingsdeposits" name="NetIncreaseInDemandInterestBearingAndSavingsdeposits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_NonaccrualInterestIncomeCashBasisMethodMember" name="NonaccrualInterestIncomeCashBasisMethodMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_NumberOfBranches" name="NumberOfBranches" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
  <xsd:element id="plbc_NumberOfBranchesAcquired" name="NumberOfBranchesAcquired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_NumberOfMortgageLoansInProcessOfForeclosure" name="NumberOfMortgageLoansInProcessOfForeclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
  <xsd:element id="plbc_NumberOfSecuritiesSoldDuringPeriod" name="NumberOfSecuritiesSoldDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_NumberOfSecuritiesSoldForGainDuringThePeriod" name="NumberOfSecuritiesSoldForGainDuringThePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_NumberOfSecuritiesSoldForLossDuringThePeriod" name="NumberOfSecuritiesSoldForLossDuringThePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_OccupancyAndEquipment" name="OccupancyAndEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="plbc_OffbalancesheetCreditLossLiabilityTableTextBlock" name="OffbalancesheetCreditLossLiabilityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_OtherLoansMember" name="OtherLoansMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_OtherRealEstateFairValueDisclosure" name="OtherRealEstateFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="plbc_OtherRealEstateOwnedAndReceivablesFairValue" name="OtherRealEstateOwnedAndReceivablesFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="plbc_OtherRealEstateOwnedAndReceivablesLossGainFairValue" name="OtherRealEstateOwnedAndReceivablesLossGainFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="plbc_OtherRealEstateOwnedLossGainFairValue" name="OtherRealEstateOwnedLossGainFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_OtherRealEstateResidentialRealEstateMember" name="OtherRealEstateResidentialRealEstateMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_PolicyTable" name="PolicyTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_ProceedsFromPrincipalRepaymentsOfMortgagebackedSecuritiesMbsAvailableforsale" name="ProceedsFromPrincipalRepaymentsOfMortgagebackedSecuritiesMbsAvailableforsale" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="plbc_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock" name="PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_RealEstateAndVehiclesAcquiredThroughForeclosure" name="RealEstateAndVehiclesAcquiredThroughForeclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="plbc_ReceivablesLossGainFairValueDisclosure" name="ReceivablesLossGainFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="plbc_ReceivablesMeasurementInput" name="ReceivablesMeasurementInput" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="plbc_RedBluffCAMember" name="RedBluffCAMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_ReddingCAMember" name="ReddingCAMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_ReddingCaliforniaMember" name="ReddingCaliforniaMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_ResidentialMortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" name="ResidentialMortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_SFR1stDeedMember" name="SFR1stDeedMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_SFR2ndDeedMember" name="SFR2ndDeedMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_Sfr3rdDeedMember" name="Sfr3rdDeedMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_SfrPropertyAndAgriculturalLandMember" name="SfrPropertyAndAgriculturalLandMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingAggregateIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="plbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant"/>
  <xsd:element id="plbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType" xbrli:periodType="instant"/>
  <xsd:element id="plbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAssumedInPeriod" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAssumedInPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_StockOptionPlan2013Member" name="StockOptionPlan2013Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_StockOptionPlan2022Member" name="StockOptionPlan2022Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="plbc_StockRetired" name="StockRetired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_ThirdPartyAppraisalsMember" name="ThirdPartyAppraisalsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-10-other-comprehensive-loss-changes-in-oci-details" name="statement-statement-note-10-other-comprehensive-loss-changes-in-oci-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-10-other-comprehensive-loss-tables" name="statement-statement-note-10-other-comprehensive-loss-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-11-business-combinations-acquisition-of-conerstone-community-bancorp-pro-forma-details" name="statement-statement-note-11-business-combinations-acquisition-of-conerstone-community-bancorp-pro-forma-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-11-business-combinations-acquisition-of-conerstone-community-bancorp-schedule-of-pcd-loans-details" name="statement-statement-note-11-business-combinations-acquisition-of-conerstone-community-bancorp-schedule-of-pcd-loans-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-11-business-combinations-acquisition-of-conerstone-community-bancorp-schedule-of-recognized-identified-assets-acquired-and-liabilities-assumed-details" name="statement-statement-note-11-business-combinations-acquisition-of-conerstone-community-bancorp-schedule-of-recognized-identified-assets-acquired-and-liabilities-assumed-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-11-business-combinations-acquisition-of-conerstone-community-bancorp-schedule-of-recognized-identified-assets-acquired-and-liabilities-assumed-details-parentheticals" name="statement-statement-note-11-business-combinations-acquisition-of-conerstone-community-bancorp-schedule-of-recognized-identified-assets-acquired-and-liabilities-assumed-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-11-business-combinations-acquisition-of-conerstone-community-bancorp-tables" name="statement-statement-note-11-business-combinations-acquisition-of-conerstone-community-bancorp-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-3-investment-securities-available-for-sale-amortized-cost-and-estimated-fair-value-of-investment-securities-details" name="statement-statement-note-3-investment-securities-available-for-sale-amortized-cost-and-estimated-fair-value-of-investment-securities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-3-investment-securities-available-for-sale-investment-securities-by-contractual-maturity-details" name="statement-statement-note-3-investment-securities-available-for-sale-investment-securities-by-contractual-maturity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-3-investment-securities-available-for-sale-investment-securities-with-unrealized-losses-details" name="statement-statement-note-3-investment-securities-available-for-sale-investment-securities-with-unrealized-losses-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-3-investment-securities-available-for-sale-tables" name="statement-statement-note-3-investment-securities-available-for-sale-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-aging-analysis-of-the-loan-portfolio-details" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-aging-analysis-of-the-loan-portfolio-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-allocation-of-the-allowance-for-credit-losses-details" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-allocation-of-the-allowance-for-credit-losses-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-balance-of-nonaccrual-loans-by-loan-category-details" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-balance-of-nonaccrual-loans-by-loan-category-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-collateral-dependent-loans-details" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-collateral-dependent-loans-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-financial-effect-of-loan-modifications-details" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-financial-effect-of-loan-modifications-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-loan-modifications-details" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-loan-modifications-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-loan-portfolio-allocated-by-internal-risk-ratings-details" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-loan-portfolio-allocated-by-internal-risk-ratings-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-outstanding-loans-details" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-outstanding-loans-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-reserve-for-unfunded-commitments-details" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-reserve-for-unfunded-commitments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-reversal-of-accrued-interest-details" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-reversal-of-accrued-interest-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-4-loans-and-the-allowance-for-credit-losses-tables" name="statement-statement-note-4-loans-and-the-allowance-for-credit-losses-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-6-earnings-per-share-basic-and-diluted-earnings-per-share-details" name="statement-statement-note-6-earnings-per-share-basic-and-diluted-earnings-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-6-earnings-per-share-tables" name="statement-statement-note-6-earnings-per-share-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-7-stockbased-compensation-stock-option-activity-details" name="statement-statement-note-7-stockbased-compensation-stock-option-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-7-stockbased-compensation-stock-option-plan-cost-details" name="statement-statement-note-7-stockbased-compensation-stock-option-plan-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-7-stockbased-compensation-tables" name="statement-statement-note-7-stockbased-compensation-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-7-stockbased-compensation-valuation-assumptions-details" name="statement-statement-note-7-stockbased-compensation-valuation-assumptions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-9-fair-value-measurement-tables" name="statement-statement-note-9-fair-value-measurement-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-9-fair-value-measurements-assets-and-liabilities-measured-at-fair-value-on-a-nonrecurring-basis-details" name="statement-statement-note-9-fair-value-measurements-assets-and-liabilities-measured-at-fair-value-on-a-nonrecurring-basis-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-9-fair-value-measurements-assets-and-liabilities-measured-at-fair-value-on-a-recurring-basis-details" name="statement-statement-note-9-fair-value-measurements-assets-and-liabilities-measured-at-fair-value-on-a-recurring-basis-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-9-fair-value-measurements-carrying-amounts-and-estimated-fair-values-of-financial-instruments-details" name="statement-statement-note-9-fair-value-measurements-carrying-amounts-and-estimated-fair-values-of-financial-instruments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-note-9-fair-value-measurements-quantitative-information-about-level-3-fair-value-measurements-for-financial-instruments-measured-at-fair-value-on-a-nonrecurring-basis-details" name="statement-statement-note-9-fair-value-measurements-quantitative-information-about-level-3-fair-value-measurements-for-financial-instruments-measured-at-fair-value-on-a-nonrecurring-basis-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="plbc_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
