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  <xs:element id="psmt_TranslationAdjustmentOnForeignCurrencyDebtCurrent" abstract="false" name="TranslationAdjustmentOnForeignCurrencyDebtCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_UncommittedMember" abstract="true" name="UncommittedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_AccumulatedDerivativeAssetsLossTaxExpenseBenefits" abstract="false" name="AccumulatedDerivativeAssetsLossTaxExpenseBenefits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_DebtRollForward" abstract="true" name="DebtRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="psmt_DeferredMembershipIncomeMember" abstract="false" name="DeferredMembershipIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_NoncashAssetMember" abstract="false" name="NoncashAssetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_ScheduleOfVariableInterestEntityMaximumLossExposureTableTextBlock" abstract="false" name="ScheduleOfVariableInterestEntityMaximumLossExposureTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="psmt_PlatinumMembershipBreakageRevenuePercent" abstract="false" name="PlatinumMembershipBreakageRevenuePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="psmt_VariableInterestEntityReportingEntityInvolvementAdditionalContributionsSinceInception" abstract="false" name="VariableInterestEntityReportingEntityInvolvementAdditionalContributionsSinceInception" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_Panama25mInterestRateSwapMember" abstract="false" name="Panama25mInterestRateSwapMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_IncomeTaxReceivableTableTextBlock" abstract="false" name="IncomeTaxReceivableTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="psmt_UnitedStatesOperationsSegmentMember" abstract="false" name="UnitedStatesOperationsSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_CommittedCreditAgreementMember" abstract="false" name="CommittedCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_ReclassificationOfLongTermDebtNoncurrent" abstract="false" name="ReclassificationOfLongTermDebtNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_PlatinumMembershipAnnualFeePeriodIncreaseDecrease" abstract="false" name="PlatinumMembershipAnnualFeePeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_PercentageOfPlatinumMembershipRebate" abstract="false" name="PercentageOfPlatinumMembershipRebate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="psmt_PlatinumMembershipRecordedLiability" abstract="false" name="PlatinumMembershipRecordedLiability" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="psmt_IncreaseDecreaseInOperatingLeaseLiabilityNetOfTax" abstract="false" name="IncreaseDecreaseInOperatingLeaseLiabilityNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_RetainedEarningsNotAvailableForDistributionTableTextBlock" abstract="false" name="RetainedEarningsNotAvailableForDistributionTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="psmt_PropertyPlantAndEquipmentPotentialAnnualSavings" abstract="false" name="PropertyPlantAndEquipmentPotentialAnnualSavings" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_UnionBankMember" abstract="false" name="UnionBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_MaximumPlatinumMembershipRebate" abstract="false" name="MaximumPlatinumMembershipRebate" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_OneTimeSeparationChargeOtherSeparationCosts" abstract="false" name="OneTimeSeparationChargeOtherSeparationCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_LandPurchaseOptionNumberOfAgreements" abstract="false" name="LandPurchaseOptionNumberOfAgreements" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="psmt_DividendsCommonStockPayable" abstract="false" name="DividendsCommonStockPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_DividendsIncludingDistributionsToNoncontrollingInterestHolders" abstract="false" name="DividendsIncludingDistributionsToNoncontrollingInterestHolders" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_VariableInterestEntityReportingEntityInvolvementNetIncomeLossSinceInception" abstract="false" name="VariableInterestEntityReportingEntityInvolvementNetIncomeLossSinceInception" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_LongTermDebtMaturityAfterYearFour" abstract="false" name="LongTermDebtMaturityAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_RepaymentsOfLongTermDebtNoncurrent" abstract="false" name="RepaymentsOfLongTermDebtNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_Colombia10mCrossCurrencyInterestRateSwapFourMember" abstract="true" name="Colombia10mCrossCurrencyInterestRateSwapFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="psmt_DividendsDeclaredButNotYetPaid" abstract="false" name="DividendsDeclaredButNotYetPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psmt_CashAssetMember" abstract="false" name="CashAssetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_PlatinumMembershipRedemptionRate" abstract="false" name="PlatinumMembershipRedemptionRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="psmt_MichaelMcClearyMember" abstract="true" name="MichaelMcClearyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="psmt_NetEffectOnOtherComprehensiveIncomeLossForeignCurrencyTranslationTableTextBlock" abstract="false" name="NetEffectOnOtherComprehensiveIncomeLossForeignCurrencyTranslationTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="psmt_LongTermInvestmentPolicyPolicyTextBlock" abstract="false" name="LongTermInvestmentPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="psmt_TaxReceivablesTable" abstract="true" name="TaxReceivablesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="psmt_TaxReceivablePolicyTextBlock" abstract="false" name="TaxReceivablePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="psmt_HardlinesMember" abstract="false" name="HardlinesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_RevenueFromContractWithCustomersExpirationPeriod" abstract="false" name="RevenueFromContractWithCustomersExpirationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="psmt_ShareRepurchaseProgramMember" abstract="true" name="ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="psmt_ExportSalesMember" abstract="true" name="ExportSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_CrossCurrencyInterestRateSwapsThreeMember" abstract="true" name="CrossCurrencyInterestRateSwapsThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="psmt_OtherContractPerformanceLiabilitiesMember" abstract="false" name="OtherContractPerformanceLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_CrossCurrencyInterestRateSwapsTwoMember" abstract="true" name="CrossCurrencyInterestRateSwapsTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_SpecialInterestCompensationFundFECIMember" abstract="true" name="SpecialInterestCompensationFundFECIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="psmt_OverdraftUsedUncommittedMember" abstract="true" name="OverdraftUsedUncommittedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="psmt_CommittedMember" abstract="true" name="CommittedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="psmt_ReclassificationsOfLongTermDebtAbstract" abstract="true" name="ReclassificationsOfLongTermDebtAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
