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  <xs:element id="banc_BusinessAssetsMember" abstract="true" name="BusinessAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_IntangibleAssetFiniteLivedAmortizationExpenseWriteoff" abstract="false" name="IntangibleAssetFiniteLivedAmortizationExpenseWriteoff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_IntangibleAssetFiniteLivedEstimatedAmortizationExpenseAfterYearFour" abstract="false" name="IntangibleAssetFiniteLivedEstimatedAmortizationExpenseAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LowIncomeHousingTaxCreditLIHTC" abstract="false" name="LowIncomeHousingTaxCreditLIHTC" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_SBICInvestments" abstract="false" name="SBICInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_AlternativeEnergyPartnershipsHLBVInvestments" abstract="false" name="AlternativeEnergyPartnershipsHLBVInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_EquityInvestmentsWithoutReadilyDeterminableFairValue" abstract="false" name="EquityInvestmentsWithoutReadilyDeterminableFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_TotalOtherInvestments" abstract="false" name="TotalOtherInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_Interestandfeesreceivableincome" abstract="false" name="Interestandfeesreceivableincome" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_EquityWarrants" abstract="false" name="EquityWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_IncreaseDecreaseInOtherAssetsMiscellaneous" abstract="false" name="IncreaseDecreaseInOtherAssetsMiscellaneous" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_OperatingLeaseAssetsAndLiabilitiesLesseeAbstract" abstract="true" name="OperatingLeaseAssetsAndLiabilitiesLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LessorOperatingLeasePaymentToBeReceivedAfterYearFour" abstract="false" name="LessorOperatingLeasePaymentToBeReceivedAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_CreditLinkNotesMember" abstract="true" name="CreditLinkNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DebtInstrumentNumberOfClasses" abstract="false" name="DebtInstrumentNumberOfClasses" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue07272026Member" abstract="true" name="FHLBSecuredAdvancesDue07272026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue073020261Member" abstract="true" name="FHLBSecuredAdvancesDue073020261Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue073020262Member" abstract="true" name="FHLBSecuredAdvancesDue073020262Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue08032026Member" abstract="true" name="FHLBSecuredAdvancesDue08032026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue08102026Member" abstract="true" name="FHLBSecuredAdvancesDue08102026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue10302026Member" abstract="true" name="FHLBSecuredAdvancesDue10302026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue02012027Member" abstract="true" name="FHLBSecuredAdvancesDue02012027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue03012027Member" abstract="true" name="FHLBSecuredAdvancesDue03012027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue04012027Member" abstract="true" name="FHLBSecuredAdvancesDue04012027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue05282027Member" abstract="true" name="FHLBSecuredAdvancesDue05282027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue060320271Member" abstract="true" name="FHLBSecuredAdvancesDue060320271Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue060320272Member" abstract="true" name="FHLBSecuredAdvancesDue060320272Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue06242027Member" abstract="true" name="FHLBSecuredAdvancesDue06242027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FHLBSecuredAdvancesDue09182034Member" abstract="true" name="FHLBSecuredAdvancesDue09182034Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedNotesDueMay2031Member" abstract="true" name="SubordinatedNotesDueMay2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedNotesDueOctober302030Member" abstract="true" name="SubordinatedNotesDueOctober302030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustVDueSeptember2033Member" abstract="true" name="SubordinatedDebtTrustVDueSeptember2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustVIDueSeptember2033Member" abstract="true" name="SubordinatedDebtTrustVIDueSeptember2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustCIIDueSeptember2033Member" abstract="true" name="SubordinatedDebtTrustCIIDueSeptember2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustVIIDueApril2034Member" abstract="true" name="SubordinatedDebtTrustVIIDueApril2034Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustCIIIDueSeptember2035Member" abstract="true" name="SubordinatedDebtTrustCIIIDueSeptember2035Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustFCCIDueMarch2037Member" abstract="true" name="SubordinatedDebtTrustFCCIDueMarch2037Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustFCBIDueDecember2035Member" abstract="true" name="SubordinatedDebtTrustFCBIDueDecember2035Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandFiveSeriesOneMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandFiveSeriesOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandFiveSeriesTwoMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandFiveSeriesTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TwoThousandSixOneTermDebtSecuritizationMember" abstract="true" name="TwoThousandSixOneTermDebtSecuritizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TwoThousandSixTwoTermDebtSecuritizationMember" abstract="true" name="TwoThousandSixTwoTermDebtSecuritizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandSixSeriesThreeMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandSixSeriesThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandSixSeriesFourMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandSixSeriesFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandSixSeriesFiveMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandSixSeriesFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandSevenSeriesTwoMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandSevenSeriesTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PMBStatutoryTrustIIIMember" abstract="true" name="PMBStatutoryTrustIIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PMBCapitalTrustIIIMember" abstract="true" name="PMBCapitalTrustIIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebenturesGross" abstract="false" name="SubordinatedDebenturesGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_InterestRateCollarsMember" abstract="true" name="InterestRateCollarsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PayFixedReceiveFloatingMember" abstract="true" name="PayFixedReceiveFloatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ForwardStartingReceiveFixedMember" abstract="true" name="ForwardStartingReceiveFixedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LoansandLeasesCommitmentsToExtendCredit" abstract="false" name="LoansandLeasesCommitmentsToExtendCredit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ReserveforUnfundedLoanCommitments" abstract="false" name="ReserveforUnfundedLoanCommitments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_CommitmentToContributeCapital" abstract="false" name="CommitmentToContributeCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_BorrowingsCreditLinkNotes" abstract="false" name="BorrowingsCreditLinkNotes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_OtherBorrowingsFairValueDisclosure" abstract="false" name="OtherBorrowingsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ChangesInFairValueGainsLosses" abstract="false" name="ChangesInFairValueGainsLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ChangesInFairValueOtherComprehensiveIncome" abstract="false" name="ChangesInFairValueOtherComprehensiveIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_AggregateUnpaidPrincipalBalanceInExcessOfLessThanFairValue" abstract="false" name="AggregateUnpaidPrincipalBalanceInExcessOfLessThanFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_DerivativeAssetCashFlowHedgesMember" abstract="true" name="DerivativeAssetCashFlowHedgesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_InterestRateAndForeignExchangeContractsMember" abstract="true" name="InterestRateAndForeignExchangeContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DerivativeLiabilityCashFlowHedgesMember" abstract="true" name="DerivativeLiabilityCashFlowHedgesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_InterestRateForeignExchangeContractsMember" abstract="true" name="InterestRateForeignExchangeContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SpreadTo10YearTreasuryMember" abstract="true" name="SpreadTo10YearTreasuryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CorporateDebtMeasurementInput" abstract="false" name="CorporateDebtMeasurementInput" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="banc_EquityWarrantsMeasurementInput" abstract="false" name="EquityWarrantsMeasurementInput" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="banc_EquityWarrantsMeasurementInputRemainingLife" abstract="false" name="EquityWarrantsMeasurementInputRemainingLife" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="banc_EquityWarrantsMember" abstract="true" name="EquityWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPrincipalPayments" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPrincipalPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalPayments" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_NonPurchasedCreditImpairedLoansAndLeasesMember" abstract="true" name="NonPurchasedCreditImpairedLoansAndLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OtherrealestateandforeclosedassetsMember" abstract="true" name="OtherrealestateandforeclosedassetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TotalNetGainLossFromNonrecurringAssets" abstract="false" name="TotalNetGainLossFromNonrecurringAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_UnobservableInputsAxis" abstract="true" name="UnobservableInputsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_UnobservableInputsDomain" abstract="true" name="UnobservableInputsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DiscountFromAppraisalsMember" abstract="true" name="DiscountFromAppraisalsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ThirdPartyAppraisalsMember" abstract="true" name="ThirdPartyAppraisalsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_InterestEarningDepositsInFinancialInstitutionsMember" abstract="true" name="InterestEarningDepositsInFinancialInstitutionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LoansHFSMember" abstract="true" name="LoansHFSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LoansAndLeasesHFINetMember" abstract="true" name="LoansAndLeasesHFINetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_EquityInvestmentsDeterminableFairValuesMember" abstract="true" name="EquityInvestmentsDeterminableFairValuesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ServicingRightsMember" abstract="true" name="ServicingRightsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NonvotingCommonStockEquivalentsMember" abstract="true" name="NonvotingCommonStockEquivalentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NVCENonVotingShareClassMember" abstract="true" name="NVCENonVotingShareClassMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AntiDilutiveSharesForEarningsPerShareAxis" abstract="true" name="AntiDilutiveSharesForEarningsPerShareAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_AntiDilutiveSharesForEarningsPerShareDomain" abstract="true" name="AntiDilutiveSharesForEarningsPerShareDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AntiDilutiveSharesForEarningsPerShareMember" abstract="true" name="AntiDilutiveSharesForEarningsPerShareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ClassOfWarrantOutstanding" abstract="false" name="ClassOfWarrantOutstanding" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="banc_InterestMember" abstract="true" name="InterestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ServiceChargesOnDepositAccountsMember" abstract="true" name="ServiceChargesOnDepositAccountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OtherCommissionsAndFeesMember" abstract="true" name="OtherCommissionsAndFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LeaseEquipmentIncomeMember" abstract="true" name="LeaseEquipmentIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LossGainOnLoansAndLeasesHFSMember" abstract="true" name="LossGainOnLoansAndLeasesHFSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LossOnSecuritiesAFSMember" abstract="true" name="LossOnSecuritiesAFSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DividendsAndGainsLossesOnEquityInvestmentsMember" abstract="true" name="DividendsAndGainsLossesOnEquityInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_WarrantyIncomeMember" abstract="true" name="WarrantyIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NoninterestIncomeMember" abstract="true" name="NoninterestIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DividendsAndGainsLossesOnEquityInvestments" abstract="false" name="DividendsAndGainsLossesOnEquityInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_RevenuePerformanceObligationSatisfiedAtPointInTime" abstract="false" name="RevenuePerformanceObligationSatisfiedAtPointInTime" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ProductandServicesTransferredOverTime" abstract="false" name="ProductandServicesTransferredOverTime" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ContractWithCustomerReceivableReclassifiedtoOtherAssets" abstract="false" name="ContractWithCustomerReceivableReclassifiedtoOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ContractWithCustomerLiabilitiesReclassifiedtoOtherAssets" abstract="false" name="ContractWithCustomerLiabilitiesReclassifiedtoOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_SecondAmendedAndRestatedTwoThousandEighteenPlanMember" abstract="true" name="SecondAmendedAndRestatedTwoThousandEighteenPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PacWest2017StockIncentivePlanMember" abstract="true" name="PacWest2017StockIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TimeBasedRestrictedStockAwardsMember" abstract="true" name="TimeBasedRestrictedStockAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_InvestorWithCommonStockAxis" abstract="true" name="InvestorWithCommonStockAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_InvestorWithCommonStockDomain" abstract="true" name="InvestorWithCommonStockDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_WarburgInvestorsMember" abstract="true" name="WarburgInvestorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CenterbridgeInvestorMember" abstract="true" name="CenterbridgeInvestorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_StockRepurchasePlanMarch172025Member" abstract="true" name="StockRepurchasePlanMarch172025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_StockRepurchasePlanApril232025Member" abstract="true" name="StockRepurchasePlanApril232025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_StockRepurchasePlanMarch232026Member" abstract="true" name="StockRepurchasePlanMarch232026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_RestrictedStockAmortization" abstract="false" name="RestrictedStockAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_DepositoryShareInterestRatio" abstract="false" name="DepositoryShareInterestRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="banc_CommonStockConvertibleConversionRatio" abstract="false" name="CommonStockConvertibleConversionRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="banc_CommonStockWarrantsIssuedPerSharePrice" abstract="false" name="CommonStockWarrantsIssuedPerSharePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="banc_CommonStockWarrantsThresholdTradingDays" abstract="false" name="CommonStockWarrantsThresholdTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="banc_CommonStockWarrantsThresholdConsecutiveTradingDays" abstract="false" name="CommonStockWarrantsThresholdConsecutiveTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="banc_OneReportableSegmentMember" abstract="true" name="OneReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_IntraFiMember" abstract="true" name="IntraFiMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
