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  <xsd:element id="pnnt_Notes2025Fiscal2015Member" name="Notes2025Fiscal2015Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToSaleOfSecuritiesMember" name="RiskRelatedToSaleOfSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SalesBenchmarkIndexLLCMember" name="SalesBenchmarkIndexLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_LossOfRicTaxStatusMember" name="LossOfRicTaxStatusMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentsCostMember" name="InvestmentsCostMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MeetOrMaintainRICTaxStatusMember" name="MeetOrMaintainRICTaxStatusMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_EnvironmentalServicesMember" name="EnvironmentalServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AssetBackedDebtNetPar" name="AssetBackedDebtNetPar" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_CreditFacilityFiscal2015Member" name="CreditFacilityFiscal2015Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ProvisionForTaxesOnNetChangeInnetUnrealizedDepreciationOnInvestments" name="ProvisionForTaxesOnNetChangeInnetUnrealizedDepreciationOnInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_TwoThousandTwentySixNotesMember" name="TwoThousandTwentySixNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_Notes2019Fiscal2017Member" name="Notes2019Fiscal2017Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentsAndCashAndCashEquivalentsFairValueDisclosure" name="InvestmentsAndCashAndCashEquivalentsFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_NetChangeInNetUnrealizedAppreciationDepreciationOnInvestments" name="NetChangeInNetUnrealizedAppreciationDepreciationOnInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_TwoThousandAndTwentySixNotesMember" name="TwoThousandAndTwentySixNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetRealizedAndUnrealizedGainLossAbstract" name="NetRealizedAndUnrealizedGainLossAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_Notes2024Fiscal2020Member" name="Notes2024Fiscal2020Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AutoSectorMember" name="AutoSectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RisksRelatedToUseOfLeverageMember" name="RisksRelatedToUseOfLeverageMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_WeightedAverageDebtPerShare" name="WeightedAverageDebtPerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_DowngradeSuspensionOrWithdrawalOfTheCreditRatingRiskMember" name="DowngradeSuspensionOrWithdrawalOfTheCreditRatingRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetChangeInUnrealizedAppreciation" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetChangeInUnrealizedAppreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_InvestmentOwnedPercentOfLiabilitiesInExcessOfOtherAssets" name="InvestmentOwnedPercentOfLiabilitiesInExcessOfOtherAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_UnfundedTermLoanMember" name="UnfundedTermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_DisclosureOfAmountsReclassifiedForTaxPurposesTableTextBlock" name="DisclosureOfAmountsReclassifiedForTaxPurposesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_FirstLienMember" name="FirstLienMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_DifficultyInPayingAnnualDistributionRequirementMember" name="DifficultyInPayingAnnualDistributionRequirementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SaleOfInvestmentsToWhollyOwnedSubsidiary" name="SaleOfInvestmentsToWhollyOwnedSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_TwoThousandAndTwentyFourNotesPayableMember" name="TwoThousandAndTwentyFourNotesPayableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_DistributionsAndCapitalTransactionsPolicyTextBlock" name="DistributionsAndCapitalTransactionsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_DebenturesRedemptionDuringPeriod" name="DebenturesRedemptionDuringPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_EconomicSanctionLawsFromTransactingMember" name="EconomicSanctionLawsFromTransactingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PTNetworksLLCMember" name="PTNetworksLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InflationMember" name="InflationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RadiusAerospaceIncMember" name="RadiusAerospaceIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ETXEnergyLLCMember" name="ETXEnergyLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SubordinatedNotesInPSLFMember" name="SubordinatedNotesInPSLFMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_HotelsMotelsInnsAndGamingMember" name="HotelsMotelsInnsAndGamingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InceptionFertilityVenturesLLCMember" name="InceptionFertilityVenturesLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_GroupOfSBICMember" name="GroupOfSBICMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CapitalShareActivityAbstract" name="CapitalShareActivityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RemainingCommitmentsToFund" name="RemainingCommitmentsToFund" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_PayableForInvestmentsPurchased" name="PayableForInvestmentsPurchased" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_OtherMediaMember" name="OtherMediaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MarketDrivenSpreadPeriod" name="MarketDrivenSpreadPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_OtherNonDeductibleExpenses" name="OtherNonDeductibleExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_DebtInstrumentRedemptionPricePerNote" name="DebtInstrumentRedemptionPricePerNote" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_DistributionsPayableAndOtherBookToTaxDifferences" name="DistributionsPayableAndOtherBookToTaxDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_IntegrityMarketingAcquisitionLLCMember" name="IntegrityMarketingAcquisitionLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PercentageOfOutstandingClassAUnits" name="PercentageOfOutstandingClassAUnits" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_BlackRockFederalFDInstitutional30Member" name="BlackRockFederalFDInstitutional30Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TheAegisTechnologiesGroupLLCMember" name="TheAegisTechnologiesGroupLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_LightspeedBuyerIncMember" name="LightspeedBuyerIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PayableToRelatedParty" name="PayableToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_TermLoanCMember" name="TermLoanCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_UndistributedNetInvestmentIncomeOnTaxBasis" name="UndistributedNetInvestmentIncomeOnTaxBasis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_IncreaseInCashAndOffsettingIncreaseInDueToAffiliates" name="IncreaseInCashAndOffsettingIncreaseInDueToAffiliates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_InvestmentCompanyDistributionOfRealizedGains" name="InvestmentCompanyDistributionOfRealizedGains" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_ScheduleOfPortfolioAtFairValueTableTextBlock" name="ScheduleOfPortfolioAtFairValueTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_TytoAtheneLLCMember" name="TytoAtheneLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentOpportunitiesMember" name="InvestmentOpportunitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskInInvestingIlliquidAssetsMember" name="RiskInInvestingIlliquidAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ConnatixBuyerIncMember" name="ConnatixBuyerIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NBHGroupLLCMember" name="NBHGroupLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CommunicationsMember" name="CommunicationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_DRSHoldingsIIIIncMember" name="DRSHoldingsIIIIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RAMEnergyLLCMember" name="RAMEnergyLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetChangeInUnrealizedDepreciationAppreciationOnInvestmentsAndDebt" name="NetChangeInUnrealizedDepreciationAppreciationOnInvestmentsAndDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_NegativeCreditEventMember" name="NegativeCreditEventMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CreditFacilityFiscal2018Member" name="CreditFacilityFiscal2018Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ProvisionForTaxesOnNetRealizedAndUnrealizedGainsOnInvestments" name="ProvisionForTaxesOnNetRealizedAndUnrealizedGainsOnInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_CreditFacilityFiscal2022Member" name="CreditFacilityFiscal2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_BaseManagementFeeCalculationDescription" name="BaseManagementFeeCalculationDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_RiskInSubjectToStockholderActivismMember" name="RiskInSubjectToStockholderActivismMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_WildcatBuyercoIncMember" name="WildcatBuyercoIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentAdministratorMember" name="InvestmentAdministratorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_Crane1ServicesIncMember" name="Crane1ServicesIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TWSAcquisitionCorporationMember" name="TWSAcquisitionCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_EnergyAndUtilitiesMember" name="EnergyAndUtilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_Notes2026Fiscal2022Member" name="Notes2026Fiscal2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NumberOfPortfolioCompaniesConsistedOfDebtInvestments" name="NumberOfPortfolioCompaniesConsistedOfDebtInvestments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_IncentiveFeeOnCapitalGainsAccrued" name="IncentiveFeeOnCapitalGainsAccrued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_NonReflectionOfCreditRatingsInDebtSecuritiesMember" name="NonReflectionOfCreditRatingsInDebtSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetChangeInChangeInUnrealizedDepreciationAppreciationOnDebt" name="NetChangeInChangeInUnrealizedDepreciationAppreciationOnDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_BurgessPointPurchaserCorporationMember" name="BurgessPointPurchaserCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncentiveFeesOnNetInvestmentIncome" name="IncentiveFeesOnNetInvestmentIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_IncentiveFeeAnnualHurdleRate" name="IncentiveFeeAnnualHurdleRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_RiskRelatedToInvestmentInSharesMember" name="RiskRelatedToInvestmentInSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IndustryName" name="IndustryName" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_ChemicalsPlasticsAndRubberMember" name="ChemicalsPlasticsAndRubberMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_BaseManagementFeeAmendmentDescription" name="BaseManagementFeeAmendmentDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_EducationMember" name="EducationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentsWithPreferredStockRiskMember" name="InvestmentsWithPreferredStockRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NumberOfPortfolioCompanies" name="NumberOfPortfolioCompanies" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_InvestmentCompanyBasicWeightedAverageShares" name="InvestmentCompanyBasicWeightedAverageShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_AnyHourServicesMember" name="AnyHourServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_DescriptionOfIncentiveFeeOnNetInvestmentIncome" name="DescriptionOfIncentiveFeeOnNetInvestmentIncome" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_NetInvestmentIncomeOrNetIncreaseDecreaseInNetAssets" name="NetInvestmentIncomeOrNetIncreaseDecreaseInNetAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_InvestmentCompanyDilutedWeightedAverageShares" name="InvestmentCompanyDilutedWeightedAverageShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_NetChangeInUnrealizedAppreciationOnDebt" name="NetChangeInUnrealizedAppreciationOnDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_SecurityTransactionsRevenueRecognitionAndRealizedUnrealizedGainsOrLossesPolicyTextBlock" name="SecurityTransactionsRevenueRecognitionAndRealizedUnrealizedGainsOrLossesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_MarylandAndDelawareMember" name="MarylandAndDelawareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SeniorSecuritiesMember" name="SeniorSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_HireAndRetainQualifiedInvestorsMember" name="HireAndRetainQualifiedInvestorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetRepaymentsDebtNetOfIssuanceCosts" name="NetRepaymentsDebtNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_RiskRelatedToInvestmentsInProspectivePortfolioCompaniesMember" name="RiskRelatedToInvestmentsInProspectivePortfolioCompaniesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SystemsFailuresMember" name="SystemsFailuresMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_VisionPurchaserCorporationMember" name="VisionPurchaserCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_VotingRightsOfPreferredStockholdersMember" name="VotingRightsOfPreferredStockholdersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_LongTermCreditFacilityMember" name="LongTermCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_OwnershipPercentageOfVotingSecurities" name="OwnershipPercentageOfVotingSecurities" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_InvestmentInPortfolioCompanies" name="InvestmentInPortfolioCompanies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_OtherMember" name="OtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncreaseDecreaseInAccumulatedNetRealizedGainForTaxPurposes" name="IncreaseDecreaseInAccumulatedNetRealizedGainForTaxPurposes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_FollowOnInvestmentsInPortfolioMember" name="FollowOnInvestmentsInPortfolioMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AnteriadLLCFKAMeritdirectLlcMember" name="AnteriadLLCFKAMeritdirectLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetChangeInFairValueOnForeignCurrencyTranslationOnOutstandingBorrowings" name="NetChangeInFairValueOnForeignCurrencyTranslationOnOutstandingBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_RisksRelatingToDebtInvestmentsMember" name="RisksRelatingToDebtInvestmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CargoTransportMember" name="CargoTransportMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ProvisionForTaxesOnRealizedGainOnInvestments" name="ProvisionForTaxesOnRealizedGainOnInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_IncentiveFeePaymentConditionTwoMember" name="IncentiveFeePaymentConditionTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NumberOfOnsiteHealthClinics" name="NumberOfOnsiteHealthClinics" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_BroderBrosCoMember" name="BroderBrosCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_LineOfCreditFacilityAmendmentCosts" name="LineOfCreditFacilityAmendmentCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_SBICIIMember" name="SBICIIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TransportationMember" name="TransportationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NotesFiscal2016Member" name="NotesFiscal2016Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncentiveFeeQuarterHurdleRate" name="IncentiveFeeQuarterHurdleRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_HWHoldcoLLCMember" name="HWHoldcoLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PercentageOfNonQualifyingAssetsToTotalAssets" name="PercentageOfNonQualifyingAssetsToTotalAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_CapitalCommitment" name="CapitalCommitment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_IssuedAtSeptemberTwentyTwoThousandSeventeenMember" name="IssuedAtSeptemberTwentyTwoThousandSeventeenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CreditFacilityFiscal2014Member" name="CreditFacilityFiscal2014Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_EquityInterestsInPSLFMember" name="EquityInterestsInPSLFMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_UnitedKingdomWithdrawalFromEuropeanUnionMember" name="UnitedKingdomWithdrawalFromEuropeanUnionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MeasurementInputBrokerOrDealerBidsOrQuotesMember" name="MeasurementInputBrokerOrDealerBidsOrQuotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PercentageOfVotingSecuritiesOwned" name="PercentageOfVotingSecuritiesOwned" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_PantheonMember" name="PantheonMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskInChangingInvestmentObjectivesOperatingPoliciesAndStrategiesWithoutPriorNoticeOrStockholderApprovalMember" name="RiskInChangingInvestmentObjectivesOperatingPoliciesAndStrategiesWithoutPriorNoticeOrStockholderApprovalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncreaseDecreaseInPaidInCapitalForTaxPurposes" name="IncreaseDecreaseInPaidInCapitalForTaxPurposes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_Notes20262Fiscal2022Member" name="Notes20262Fiscal2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncreaseDecreaseInReceivablesFromInvestmentsSold" name="IncreaseDecreaseInReceivablesFromInvestmentsSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_PaymentInKindIncome" name="PaymentInKindIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_RiskRelatedToNetProceedsFromOfferingOfSecuritiesMember" name="RiskRelatedToNetProceedsFromOfferingOfSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PlayPowerIncMember" name="PlayPowerIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MailsouthIncMember" name="MailsouthIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_LargestPortfolioCompanyInvestment" name="LargestPortfolioCompanyInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_TheBluebirdGroupLLCMember" name="TheBluebirdGroupLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_STVGroupIncorporatedMember" name="STVGroupIncorporatedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_HomeAndOfficeFurnishingsHousewaresMember" name="HomeAndOfficeFurnishingsHousewaresMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_OISManagementServicesLLCMember" name="OISManagementServicesLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_EdsBuyerllcMember" name="EdsBuyerllcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PSLFsMembersEquityMember" name="PSLFsMembersEquityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_BuildingMaterialsMember" name="BuildingMaterialsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToCurrentTaxLiabilitiesOnDistributionsMember" name="RiskRelatedToCurrentTaxLiabilitiesOnDistributionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentCompanyDistributionOfNetInvestmentIncome" name="InvestmentCompanyDistributionOfNetInvestmentIncome" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_IGInvestmentsHoldingsLLCMember" name="IGInvestmentsHoldingsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncreaseDecreaseInBaseManagementFeePayableNet" name="IncreaseDecreaseInBaseManagementFeePayableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_FiveStarBuyerIncMember" name="FiveStarBuyerIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TVCEnterprisesLLCMember" name="TVCEnterprisesLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToInvestingNetProceedsRaisedFromOfferingsMember" name="RiskRelatedToInvestingNetProceedsRaisedFromOfferingsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ShortTermRealizedLossCarriedForward" name="ShortTermRealizedLossCarriedForward" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetRealizedGainLossOnInvestmentsAndDebt" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetRealizedGainLossOnInvestmentsAndDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_Notes20262Fiscal2023Member" name="Notes20262Fiscal2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ImpactOnPortfolioAndValueOfInvestmentDueToGlobalPoliticalAndEconomicUncertaintyMember" name="ImpactOnPortfolioAndValueOfInvestmentDueToGlobalPoliticalAndEconomicUncertaintyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ReplacementOfLiborMember" name="ReplacementOfLiborMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncrementInIssuedPricePerUnit" name="IncrementInIssuedPricePerUnit" type="srt-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_PercentageOfIssuanceDiscountAmortized" name="PercentageOfIssuanceDiscountAmortized" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_PercentageOfCapitalOwnershipInEachOfOutstandingSubordinatedNotesAndEquityInterests" name="PercentageOfCapitalOwnershipInEachOfOutstandingSubordinatedNotesAndEquityInterests" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_CartessaAestheticsLLCMember" name="CartessaAestheticsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RegulationsRiskMember" name="RegulationsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AltamiraTechnologiesLLCMember" name="AltamiraTechnologiesLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FairbanksMorseDefenseMember" name="FairbanksMorseDefenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TwoThousandTwentySixTwoNotesPayableMember" name="TwoThousandTwentySixTwoNotesPayableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_UnamortizedFees" name="UnamortizedFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_DistributionMember" name="DistributionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_BottomLineSystemsLLCMember" name="BottomLineSystemsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetChangeInUnrealizedAppreciationDepreciationOnInvestments" name="NetChangeInUnrealizedAppreciationDepreciationOnInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_EffectOfGlobalClimateChangeMember" name="EffectOfGlobalClimateChangeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ClassA1AMember" name="ClassA1AMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_OxTwoLLCMember" name="OxTwoLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncreaseInUndistributedNetInvestmentIncomeForTaxPurposes" name="IncreaseInUndistributedNetInvestmentIncomeForTaxPurposes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_NetChangeInUnrealizedDepreciationOnDebt" name="NetChangeInUnrealizedDepreciationOnDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_Notes2025Fiscal2016Member" name="Notes2025Fiscal2016Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ReceptionPurchaserLLCMember" name="ReceptionPurchaserLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PersonalAndNonDurableConsumerProductsMember" name="PersonalAndNonDurableConsumerProductsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AmountUsedToMultiplyAssetCoverageRatioToDetermineTheAssetCoveragePerUnit" name="AmountUsedToMultiplyAssetCoverageRatioToDetermineTheAssetCoveragePerUnit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_ClassCMember" name="ClassCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiverpointMedicalLLCMember" name="RiverpointMedicalLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncentiveFeesOnNetInvestmentIncomeWaiverAmount" name="IncentiveFeesOnNetInvestmentIncomeWaiverAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_MagentaBuyerLLCMember" name="MagentaBuyerLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ConsumerProductsMember" name="ConsumerProductsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SmallBusinessAdministrationDebenturesMember" name="SmallBusinessAdministrationDebenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SeniorSecuredRevolvingCreditFacilityMember" name="SeniorSecuredRevolvingCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RisksRelatingToInvestmentsInForeignSecuritiesMember" name="RisksRelatingToInvestmentsInForeignSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CommitmentsToFundInvestments" name="CommitmentsToFundInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_TwoThousandTwentySixSecondNotesMember" name="TwoThousandTwentySixSecondNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetChangeInUnrealizedDepreciation" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetChangeInUnrealizedDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_InvestmentCompanyBasicAndDilutedWeightedAverageShares" name="InvestmentCompanyBasicAndDilutedWeightedAverageShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_NonCashExchangesAndConversions" name="NonCashExchangesAndConversions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_InvestingInSharesRiskMember" name="InvestingInSharesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_UnconsolidatedSignificantSubsidiariesTextBlock" name="UnconsolidatedSignificantSubsidiariesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_AmericanInsulatedGlassLLCMember" name="AmericanInsulatedGlassLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetChangeInFairValueOnForeignCurrencyTranslationOnOutstandingBorrowingsTable" name="NetChangeInFairValueOnForeignCurrencyTranslationOnOutstandingBorrowingsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MeadowlarkAcquirerLLCMember" name="MeadowlarkAcquirerLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FluctuationsInTradingMarketOrMarketValueOfPubliclyIssuedDebtOrConvertibleDebtSecuritiesMember" name="FluctuationsInTradingMarketOrMarketValueOfPubliclyIssuedDebtOrConvertibleDebtSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CreditFacilityFiscal2020Member" name="CreditFacilityFiscal2020Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PennantParkCloViiMember" name="PennantParkCloViiMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ConsumerProductsThreeMember" name="ConsumerProductsThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TruistCreditFacilityRiskMember" name="TruistCreditFacilityRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_EffectiveManagementOfFutureGrowthMember" name="EffectiveManagementOfFutureGrowthMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_BaseManagementFee" name="BaseManagementFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_ImagineAcquisitioncoLLCMember" name="ImagineAcquisitioncoLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FoodMember" name="FoodMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RisksRelatingToInvestmentsMember" name="RisksRelatingToInvestmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_UnfundedCommitmentsToFundInvestments" name="UnfundedCommitmentsToFundInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_HealthcareEducationAndChildcareMember" name="HealthcareEducationAndChildcareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TwoThousandTwentyFourNotesMember" name="TwoThousandTwentyFourNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToDistributionsMember" name="RiskRelatedToDistributionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_Notes2024Fiscal2019Member" name="Notes2024Fiscal2019Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PtNetworksLlcAndRamEnergyHoldingsLlcMember" name="PtNetworksLlcAndRamEnergyHoldingsLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RealizedAndUnrealizedGainLossFromInvestmentsAndDebt" name="RealizedAndUnrealizedGainLossFromInvestmentsAndDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_LegislativeOrRegulatoryTaxChangesMember" name="LegislativeOrRegulatoryTaxChangesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InfolinksMediaBuycoLLCMember" name="InfolinksMediaBuycoLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FinancialServicesMember" name="FinancialServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_OtherBookToTaxDifferences" name="OtherBookToTaxDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_AnnualRateOfBaseManagementFee" name="AnnualRateOfBaseManagementFee" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_DrSquatchLLCMember" name="DrSquatchLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentInterestRateTerms" name="InvestmentInterestRateTerms" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_USBankCashMember" name="USBankCashMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PayableForCashEquivalentsPurchased" name="PayableForCashEquivalentsPurchased" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_LAVGearHoldingsIncMember" name="LAVGearHoldingsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TPCCanadaParentIncAndTPCUSParentLLCMember" name="TPCCanadaParentIncAndTPCUSParentLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MaintainCashBalancesAtFinancialInstitutionsAndExceedFederallyInsuredLimitsMember" name="MaintainCashBalancesAtFinancialInstitutionsAndExceedFederallyInsuredLimitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TwoThousandAndTwentySixNotesPayableMember" name="TwoThousandAndTwentySixNotesPayableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_UnfundedCommitments" name="UnfundedCommitments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_AlpineAcquisitionCorpTwoMember" name="AlpineAcquisitionCorpTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToLackOfLiquidityInInvestmentsMember" name="RiskRelatedToLackOfLiquidityInInvestmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_UpfrontFeesPercentage" name="UpfrontFeesPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_ClassA2Member" name="ClassA2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_UniqueIndoorComfortLLCMember" name="UniqueIndoorComfortLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_UBEOLLCMember" name="UBEOLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ExigoIntermediateIILLCMember" name="ExigoIntermediateIILLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ManufacturingBasicIndustriesMember" name="ManufacturingBasicIndustriesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetChangeInChangeInUnrealizedDepreciationAppreciationAbstract" name="NetChangeInChangeInUnrealizedDepreciationAppreciationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InsuranceMember" name="InsuranceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RanchoHealthMSOIncMember" name="RanchoHealthMSOIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentCompanyRatioOfInterestAndExpensesOnDebtToAverageNetAssets" name="InvestmentCompanyRatioOfInterestAndExpensesOnDebtToAverageNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_UnrealizedLossesMember" name="UnrealizedLossesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetRealizedAndUnrealizedGainLossFromInvestments" name="NetRealizedAndUnrealizedGainLossFromInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_HomeAndOfficeFurnishingsMember" name="HomeAndOfficeFurnishingsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TheVertexCompaniesLLCMember" name="TheVertexCompaniesLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_HoldcoSandsIntermediateLLCMember" name="HoldcoSandsIntermediateLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_BetaPlusTechnologiesIncMember" name="BetaPlusTechnologiesIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MAGDSCorpMember" name="MAGDSCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TwoThousandsAndTwentySixNotesTwoPayableMember" name="TwoThousandsAndTwentySixNotesTwoPayableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ElectronicsMember" name="ElectronicsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TermsRelatingToDebtRedemptionAdverselyEffectOnReturnOnDebtSecuritiesMember" name="TermsRelatingToDebtRedemptionAdverselyEffectOnReturnOnDebtSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ReceivableForInvestmentsSold" name="ReceivableForInvestmentsSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_NetChangeInUnrealizedAppreciationDepreciationOnInvestmentsAndDebt" name="NetChangeInUnrealizedAppreciationDepreciationOnInvestmentsAndDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_CommitmentFeePercentage" name="CommitmentFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_RiskInIssuingSubscriptionRightsOfWarrantsForCommonStockMember" name="RiskInIssuingSubscriptionRightsOfWarrantsForCommonStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_K2PureSolutionsNoCalLPMember" name="K2PureSolutionsNoCalLPMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ScheduleOfInvestmentsAndCashAndCashEquivalentsTableTextBlock" name="ScheduleOfInvestmentsAndCashAndCashEquivalentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_RisksAssociatedWithCybersecurityAndCyberIncidentsMember" name="RisksAssociatedWithCybersecurityAndCyberIncidentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_LongTermRealizedLossCarriedForward" name="LongTermRealizedLossCarriedForward" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_FairValueInvestmentsOfPortfolioAssetsExcludingCashAndCashEquivalentsPercentage" name="FairValueInvestmentsOfPortfolioAssetsExcludingCashAndCashEquivalentsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_LegislationRiskMember" name="LegislationRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RamEnergyHoldingsLlcMember" name="RamEnergyHoldingsLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ClassBMember" name="ClassBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ClassDMember" name="ClassDMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PersonalFoodAndMiscellaneousServicesMember" name="PersonalFoodAndMiscellaneousServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CF512IncMember" name="CF512IncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NumberOfPortfolioOnNonaccrual" name="NumberOfPortfolioOnNonaccrual" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_RisksRelatingToDistressedDebtInvestmentsMember" name="RisksRelatingToDistressedDebtInvestmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToGeneralDisruptionInCreditMarketsMember" name="RiskRelatedToGeneralDisruptionInCreditMarketsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_Notes2024Fiscal2021Member" name="Notes2024Fiscal2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_LineOfCreditFacilityResetDate" name="LineOfCreditFacilityResetDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_MunicipalEmergencyServicesIncMember" name="MunicipalEmergencyServicesIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_Notes2019Fiscal2014Member" name="Notes2019Fiscal2014Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SecondLienMember" name="SecondLienMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_BpnCreditFacilityFiscal2019Member" name="BpnCreditFacilityFiscal2019Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PrintingAndPublishingMember" name="PrintingAndPublishingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SargentGreenleafIncMember" name="SargentGreenleafIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TwoThousandAndTwentySixNotesTwoMember" name="TwoThousandAndTwentySixNotesTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_QuanticElectronicsLLCMember" name="QuanticElectronicsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AverageMarketValuePerUnit" name="AverageMarketValuePerUnit" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_JfIntermediateLlcMember" name="JfIntermediateLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SaleOfInvestmentsToWhollyOwnedSubsidiaryInEquityInterest" name="SaleOfInvestmentsToWhollyOwnedSubsidiaryInEquityInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_SystemPlanningAndAnalysisIncMember" name="SystemPlanningAndAnalysisIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AKWHoldingsLimitedMember" name="AKWHoldingsLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetUnrealizedDepreciationOnDebt" name="NetUnrealizedDepreciationOnDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_CovidNineteenPandemicMember" name="CovidNineteenPandemicMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PennantParkTSOSeniorLoanFundIILPMember" name="PennantParkTSOSeniorLoanFundIILPMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FirstLienSecuredDebtMember" name="FirstLienSecuredDebtMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_LiabilitiesInExcessOfOtherAssets" name="LiabilitiesInExcessOfOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_SoftwareMember" name="SoftwareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SignificantAccountingPoliciesTable" name="SignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NonControlledAffiliatedInvestmentsMember" name="NonControlledAffiliatedInvestmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskInImpactOfRecentFinancialReformLegislationMember" name="RiskInImpactOfRecentFinancialReformLegislationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RealizedAndChangeInUnrealizedGainLossOnInvestmentsAndDebtAbstract" name="RealizedAndChangeInUnrealizedGainLossOnInvestmentsAndDebtAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CreditFacilityAmendmentAndDebtIssuanceCosts" name="CreditFacilityAmendmentAndDebtIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_LombartBrothersIncMember" name="LombartBrothersIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SBARegulationsRisksMember" name="SBARegulationsRisksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SBADebenturesPayableNet" name="SBADebenturesPayableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_RiskRelatedChangesInLawsOrRegulationsMember" name="RiskRelatedChangesInLawsOrRegulationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CrashChampionsLLCMember" name="CrashChampionsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MidOceanJFHoldingsCorpMember" name="MidOceanJFHoldingsCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_DistributionsPayable" name="DistributionsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_ScheduleOfInvestmentsByIndustryClassificationAndEnumeratesPercentageByFairValueOfTotalPortfolioAssetsExcludingCashAndCashEquivalentsTableTextBlock" name="ScheduleOfInvestmentsByIndustryClassificationAndEnumeratesPercentageByFairValueOfTotalPortfolioAssetsExcludingCashAndCashEquivalentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityNetChangeInUnrealizedDepreciationAppreciationIncludedInEarnings" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityNetChangeInUnrealizedDepreciationAppreciationIncludedInEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_TwoThousandAndTwentySixNotesAndTwoThousandAndTwentySixNotesTwoMember" name="TwoThousandAndTwentySixNotesAndTwoThousandAndTwentySixNotesTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PantheonFundingOneMember" name="PantheonFundingOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NumberOfOccupationalHealthLocations" name="NumberOfOccupationalHealthLocations" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_TruistCreditFacilityMember" name="TruistCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_WalkerEdisonFurnitureCompanyLLCMember" name="WalkerEdisonFurnitureCompanyLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ValuationTechniqueEnterpriseMarketValueMember" name="ValuationTechniqueEnterpriseMarketValueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentOwnedPercentOfMembersEquity" name="InvestmentOwnedPercentOfMembersEquity" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_RisksRelatingToIncentiveFeePayableInduceToInvestmentAdviserMember" name="RisksRelatingToIncentiveFeePayableInduceToInvestmentAdviserMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_DriHoldingINCMember" name="DriHoldingINCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AssetBackedDebtNet" name="AssetBackedDebtNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_RiskRelatedToInvestInOverTheCounterSecuritiesMember" name="RiskRelatedToInvestInOverTheCounterSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentCompanyDistributionToShareholders" name="InvestmentCompanyDistributionToShareholders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_PreIncentiveFeeNetInvestmentIncomePercentage" name="PreIncentiveFeeNetInvestmentIncomePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_ReconcilesNetDecreaseIncreaseInNetAssetsResultingFromOperationsToTaxableIncomeTableTextBlock" name="ReconcilesNetDecreaseIncreaseInNetAssetsResultingFromOperationsToTaxableIncomeTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_Notes2025Fiscal2013Member" name="Notes2025Fiscal2013Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_JFInternationalMember" name="JFInternationalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ECMIndustriesLLCMember" name="ECMIndustriesLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PennantParkSeniorLoanFundLLCMember" name="PennantParkSeniorLoanFundLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncreaseDecreaseInPayableForCashEquivalentsPurchased" name="IncreaseDecreaseInPayableForCashEquivalentsPurchased" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_ElectroRentCorporationMember" name="ElectroRentCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncentiveFeePaymentConditionThreeMember" name="IncentiveFeePaymentConditionThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FluctuationsInQuarterlyResultsMember" name="FluctuationsInQuarterlyResultsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_Notes2025Fiscal2014Member" name="Notes2025Fiscal2014Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MeritDirectLLCMember" name="MeritDirectLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CreditFacilityFiscal2013Member" name="CreditFacilityFiscal2013Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_HVWattersonHoldingsLLCMember" name="HVWattersonHoldingsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MBSHoldingsIncMember" name="MBSHoldingsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FundedPercentage" name="FundedPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_DueToAffiliatesCurrentANoncurrent" name="DueToAffiliatesCurrentANoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_InvestmentStrategyOnPrivatelyHeldIncludingControllingEquityInterestsMember" name="InvestmentStrategyOnPrivatelyHeldIncludingControllingEquityInterestsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FairValueOfInvestmentInFiveLargestPortfolioCompany" name="FairValueOfInvestmentInFiveLargestPortfolioCompany" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_DistributionReceivable" name="DistributionReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_FinancialAndEconomicMarketUncertaintyDueToPublicHealthEmergencyMember" name="FinancialAndEconomicMarketUncertaintyDueToPublicHealthEmergencyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ConflictsOfInterestRiskMember" name="ConflictsOfInterestRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_Creditfacilityfiscal2023Member" name="Creditfacilityfiscal2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TeneoHoldingsLLCMember" name="TeneoHoldingsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_VotingInterestInGeneralPartnership" name="VotingInterestInGeneralPartnership" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_TermLoanBMember" name="TermLoanBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ProvisionForTaxesOnNetRealizedGainOnInvestments" name="ProvisionForTaxesOnNetRealizedGainOnInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_SaleOfInvestmentsToWhollyOwnedSubsidiaryInCash" name="SaleOfInvestmentsToWhollyOwnedSubsidiaryInCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_TotalOfFiveLargestPortfolioCompanyInvestments" name="TotalOfFiveLargestPortfolioCompanyInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_AdministrativeServicesExpenses" name="AdministrativeServicesExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_RiskOccurringDueToNonDiversifiedInvestmentCompanyMember" name="RiskOccurringDueToNonDiversifiedInvestmentCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_LashOpCoLLCMember" name="LashOpCoLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_JuniperLandscapingOfFloridaLLCMember" name="JuniperLandscapingOfFloridaLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CashAndCashEquivalentsAtCost" name="CashAndCashEquivalentsAtCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_RecteqLLCMember" name="RecteqLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_BiodermIncMember" name="BiodermIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TelecommunicationsMember" name="TelecommunicationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InvestmentCompanyNetAssetsIncreaseDecreaseFromOperations" name="InvestmentCompanyNetAssetsIncreaseDecreaseFromOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_GraffitiBuyerIncMember" name="GraffitiBuyerIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SignatureSystemsHoldingCompanyMember" name="SignatureSystemsHoldingCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AdNetAcquisitionLLCMember" name="AdNetAcquisitionLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToTwothousandAndTwentySixNotesAndTwoThousandAndTwentySixNotesTwoMember" name="RiskRelatedToTwothousandAndTwentySixNotesAndTwoThousandAndTwentySixNotesTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_LineOfCreditAtCost" name="LineOfCreditAtCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_CreditFacilityFiscal2017Member" name="CreditFacilityFiscal2017Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IMIAHoldingsIncMember" name="IMIAHoldingsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PercentageOfQualifyingAssetsToTotalAssets" name="PercentageOfQualifyingAssetsToTotalAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_NetChangeInFairValueOnForeignCurrencyTranslationOnOutstandingBorrowingsLineItems" name="NetChangeInFairValueOnForeignCurrencyTranslationOnOutstandingBorrowingsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToEconomicRecessionsOrDownturnsMember" name="RiskRelatedToEconomicRecessionsOrDownturnsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToInvestmentsInNonQualifyingAssetsMember" name="RiskRelatedToInvestmentsInNonQualifyingAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SolutionreachIncMember" name="SolutionreachIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncreaseDecreaseInPayableForInvestmentsPurchased" name="IncreaseDecreaseInPayableForInvestmentsPurchased" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_DebtInvestmentsMember" name="DebtInvestmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_DebentureMaximumBorrowingCapacity" name="DebentureMaximumBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_InvestmentsFairValueMember" name="InvestmentsFairValueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TACLifePortPurchaserLLCMember" name="TACLifePortPurchaserLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SubordinatedDebtOrCorporateNotesMember" name="SubordinatedDebtOrCorporateNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_BlackhawkIndustrialDistributionIncMember" name="BlackhawkIndustrialDistributionIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TwoThousandTwentySixNotesPayableMember" name="TwoThousandTwentySixNotesPayableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToTradingOfSharesAtDiscountFromNavOrPremiumUnsustainableOverLongTermMember" name="RiskRelatedToTradingOfSharesAtDiscountFromNavOrPremiumUnsustainableOverLongTermMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CreditFacilityFiscal2016Member" name="CreditFacilityFiscal2016Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTemporaryDrawsOutstanding" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTemporaryDrawsOutstanding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_Notes2026Fiscal2021Member" name="Notes2026Fiscal2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FluctuationsInNavAndMarketValueOfCommonStockWhileIssuanceOfPreferredStockDebtSecuritiesOrConvertibleDebtSecuritiesMember" name="FluctuationsInNavAndMarketValueOfCommonStockWhileIssuanceOfPreferredStockDebtSecuritiesOrConvertibleDebtSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToFluctationInCommonStockMarketPriceMember" name="RiskRelatedToFluctationInCommonStockMarketPriceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_OwlAcquisitionLLCMember" name="OwlAcquisitionLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CascadeEnvironmentalHoldingsLLCMember" name="CascadeEnvironmentalHoldingsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CreditFacilityFiscal2021Member" name="CreditFacilityFiscal2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_BaseManagementFeePercentageOfTotalNetAssets" name="BaseManagementFeePercentageOfTotalNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_RiskRelatedToProvisionsOfMarylandGeneralCorporationLawCharterAndBylawsMember" name="RiskRelatedToProvisionsOfMarylandGeneralCorporationLawCharterAndBylawsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueAtCost" name="FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueAtCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_ValuationTechniqueMarketComparableMember" name="ValuationTechniqueMarketComparableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PortfolioTurnoverRatio" name="PortfolioTurnoverRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_InvestmentsAndCashEquivalentsMember" name="InvestmentsAndCashEquivalentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ProvisionForTaxesOnNetRealizedGainLossOnInvestments" name="ProvisionForTaxesOnNetRealizedGainLossOnInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_LeverageRisksMember" name="LeverageRisksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_VolatilityOrProlongedDisruptionInCreditMarketsMember" name="VolatilityOrProlongedDisruptionInCreditMarketsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_Notes2019Fiscal2018Member" name="Notes2019Fiscal2018Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TeleGuamHoldingsLLCMember" name="TeleGuamHoldingsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetAssetsAbstract" name="NetAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetChangeInFairValueOnForeignCurrencyTranslationOnOutstandingBorrowingsTableTextBlock" name="NetChangeInFairValueOnForeignCurrencyTranslationOnOutstandingBorrowingsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_FailureToMaintainStatusAsBdcMember" name="FailureToMaintainStatusAsBdcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncreaseDecreaseInDistributionReceivable" name="IncreaseDecreaseInDistributionReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_InterestPayableOnCreditFacilityAndAssetBackedDebt" name="InterestPayableOnCreditFacilityAndAssetBackedDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_IncentiveFeeOnCapitalGainsPercentage" name="IncentiveFeeOnCapitalGainsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_ContainersPackagingAndGlassMember" name="ContainersPackagingAndGlassMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ResearchNowGroupIncAndDynataLLCMember" name="ResearchNowGroupIncAndDynataLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_MediaMember" name="MediaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AccruedOtherExpensesMember" name="AccruedOtherExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_InterestExpenseOnCreditFacilityAndAssetBackedDebt" name="InterestExpenseOnCreditFacilityAndAssetBackedDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_InvestmentsWithDebtSecuritiesRiskMember" name="InvestmentsWithDebtSecuritiesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AerospaceAndDefenseMember" name="AerospaceAndDefenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ArcfieldAcquisitionCorpMember" name="ArcfieldAcquisitionCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SeawayBuyerLLCMember" name="SeawayBuyerLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ControlledAffiliatedInvestmentsMember" name="ControlledAffiliatedInvestmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AssetCoverageRatio" name="AssetCoverageRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_ProvisionForTaxesOnNetInvestmentIncome" name="ProvisionForTaxesOnNetInvestmentIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_LongTermNotesPayableAtCost" name="LongTermNotesPayableAtCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_ProvisionForTaxesOnNetUnrealizedGainOnInvestments" name="ProvisionForTaxesOnNetUnrealizedGainOnInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_PercentageOfRequiredRegulatoryCapitalInEligibleSmallerBusinesses" name="PercentageOfRequiredRegulatoryCapitalInEligibleSmallerBusinesses" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pnnt_TwoThousandTwentyFourNotesPayableMember" name="TwoThousandTwentyFourNotesPayableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_TwoThousandAndTwentyFourNotesMember" name="TwoThousandAndTwentyFourNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncomeDistributionToStockholdersRiskMember" name="IncomeDistributionToStockholdersRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NetChangeInProvisionForTaxesOnUnrealizedAppreciationOnInvestments" name="NetChangeInProvisionForTaxesOnUnrealizedAppreciationOnInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pnnt_BankingFinanceInsuranceAndRealEstateMember" name="BankingFinanceInsuranceAndRealEstateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_CreditFacilityFiscal2019Member" name="CreditFacilityFiscal2019Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_GlobalHoldingsInterCoLLCMember" name="GlobalHoldingsInterCoLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_RiskRelatedToPaymentOfTaxesInExcessOfCashReceivedAsDistributionsMember" name="RiskRelatedToPaymentOfTaxesInExcessOfCashReceivedAsDistributionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ECLEntertainmentLLCMember" name="ECLEntertainmentLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ClassA1BMember" name="ClassA1BMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_ProceedsFromDispositionsOfInvestments" name="ProceedsFromDispositionsOfInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_ZipsCarWashLLCMember" name="ZipsCarWashLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IncentiveFeePaymentConditionOneMember" name="IncentiveFeePaymentConditionOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_IssuedAtMarchTwentyOneTwoThousandEighteenMember" name="IssuedAtMarchTwentyOneTwoThousandEighteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_AppliedTechnicalServicesLLCMember" name="AppliedTechnicalServicesLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_DuracoSpecialtyTapesLLCMember" name="DuracoSpecialtyTapesLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_PLAcquisitioncoLLCMember" name="PLAcquisitioncoLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_A1GarageMergerSubLlcMember" name="A1GarageMergerSubLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_SubordinatedNotesMember" name="SubordinatedNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_DebtUnAmortizedFinancingCosts" name="DebtUnAmortizedFinancingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_SBADebenturesMember" name="SBADebenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_FairValueOfLargestInvestmentInSinglePortfolioCompany" name="FairValueOfLargestInvestmentInSinglePortfolioCompany" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pnnt_ControllingEquityInterestsInPortfolioMember" name="ControllingEquityInterestsInPortfolioMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pnnt_NotReplicateHistoricalPerformanceOfOtherInvestmentCompaniesAndFundsMember" name="NotReplicateHistoricalPerformanceOfOtherInvestmentCompaniesAndFundsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
</xsd:schema>
