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  <xsd:element id="asnd_ContractualUndiscountedCashflowOfConvertibleSeniorNotes" name="ContractualUndiscountedCashflowOfConvertibleSeniorNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="asnd_ContractualUndiscountedCashflowOfFinancialLeaseLiabilities" name="ContractualUndiscountedCashflowOfFinancialLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="asnd_ContractualUndiscountedCashflowOfFinancialLiabilities" name="ContractualUndiscountedCashflowOfFinancialLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="asnd_ContractualUndiscountedCashflowOfTradePayablesAndOtherPayables" name="ContractualUndiscountedCashflowOfTradePayablesAndOtherPayables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="asnd_ConversionPricePerShare" name="ConversionPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="asnd_ConversionRatePerNote" name="ConversionRatePerNote" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="asnd_ConvertibleSeniorNotes" name="ConvertibleSeniorNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="asnd_CostsOfCapitalIncreaseDecrease" name="CostsOfCapitalIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="asnd_DistributableEquity" name="DistributableEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="asnd_EnforceableLeaseterm" name="EnforceableLeaseterm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_FairValueOfConvertibleNotes" name="FairValueOfConvertibleNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="asnd_GoodwillAndOtherIntangibleAssets" name="GoodwillAndOtherIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="asnd_IncreaseDecreaseInDerivativeFinancialLiabilitiesFairValue" name="IncreaseDecreaseInDerivativeFinancialLiabilitiesFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="asnd_IncreaseDecreaseInTreasurySharesAcquiredFromThirdParties" name="IncreaseDecreaseInTreasurySharesAcquiredFromThirdParties" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="asnd_MarketableSecuritiesExplanatory" name="MarketableSecuritiesExplanatory" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="asnd_NetProceedsFromConvertibleSeniorNotes" name="NetProceedsFromConvertibleSeniorNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="asnd_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement" name="NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_NumberOfOtherEquityInstrumentsTransferredInShareBasedPaymentArrangement" name="NumberOfOtherEquityInstrumentsTransferredInShareBasedPaymentArrangement" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_NumberOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement" name="NumberOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="asnd_NumberOfReportableOperatingSegments" name="NumberOfReportableOperatingSegments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_NumberOfTreasurySharesOutstanding" name="NumberOfTreasurySharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="asnd_NumberOfWarrantsOutstanding" name="NumberOfWarrantsOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_PaymentTermOfCustomers" name="PaymentTermOfCustomers" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_PotentialConversionOfConvertibleSeniorNotesIntoNumberOfOrdinaryShares" name="PotentialConversionOfConvertibleSeniorNotesIntoNumberOfOrdinaryShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_PurchaseOfTreasurySharesNominalValue" name="PurchaseOfTreasurySharesNominalValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="asnd_ReimbursementFromAcquisitionOfPropertyPlantAndEquipment" name="ReimbursementFromAcquisitionOfPropertyPlantAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="asnd_RevenueFromSaleOfClinicalSupply" name="RevenueFromSaleOfClinicalSupply" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="asnd_ReversalOfGainLossOnPropertyPlantAndEquipment" name="ReversalOfGainLossOnPropertyPlantAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="asnd_SharePriceAppliedForValuation" name="SharePriceAppliedForValuation" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="asnd_ShortTermMarketableSecurities" name="ShortTermMarketableSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="asnd_TreasurySharesHoldingInPercentageOfTotalOutstandingShares" name="TreasurySharesHoldingInPercentageOfTotalOutstandingShares" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="asnd_TreasurySharesHoldingInPercentageOfTotalOutstandingSharesAcquiredFromThirdParties" name="TreasurySharesHoldingInPercentageOfTotalOutstandingSharesAcquiredFromThirdParties" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="asnd_TreasurySharesOfNominalValue" name="TreasurySharesOfNominalValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="asnd_TreasuryStockCommonShare" name="TreasuryStockCommonShare" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="asnd_WeightedAverageDurationOfMarketableSecuritiesCurrentExplanatory" name="WeightedAverageDurationOfMarketableSecuritiesCurrentExplanatory" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_WeightedAverageDurationOfMarketableSecuritiesExplanatory" name="WeightedAverageDurationOfMarketableSecuritiesExplanatory" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_WeightedAverageDurationOfMarketableSecuritiesNoncurrentExplanatory" name="WeightedAverageDurationOfMarketableSecuritiesNoncurrentExplanatory" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_WeightedAverageExercisePriceOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement" name="WeightedAverageExercisePriceOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="asnd_DetailsDomain" name="DetailsDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_ForeignCurrencyRiskDomain" name="ForeignCurrencyRiskDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_SaleOfStockDomain" name="SaleOfStockDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_SharebasedPaymentArrangementAwardTypeDomain" name="SharebasedPaymentArrangementAwardTypeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DisclosureDetailedInformationAboutMarketableSecuritiesLineItems" name="DisclosureDetailedInformationAboutMarketableSecuritiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DisclosureOfHoldingOfTreasurySharesLineItems" name="DisclosureOfHoldingOfTreasurySharesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems" name="DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DisclosureOfWarrantActivityLineItems" name="DisclosureOfWarrantActivityLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_SharebasedPaymentArrangementRestrictedStockUnitActivityLineItems" name="SharebasedPaymentArrangementRestrictedStockUnitActivityLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_AgencyBondsMember" name="AgencyBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_AmericanDepositorySharesMember" name="AmericanDepositorySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_AntidilutiveSecuritiesNotIncludedInDilutedEarningsPerShareMember" name="AntidilutiveSecuritiesNotIncludedInDilutedEarningsPerShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_CollaborationPartnerOneMember" name="CollaborationPartnerOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_CollaborationPartnersAndLicenseAgreementsMember" name="CollaborationPartnersAndLicenseAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_CommercialCustomersMember" name="CommercialCustomersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_CommercialPapersMember" name="CommercialPapersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_ConvertibleSeniorNotesMember" name="ConvertibleSeniorNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_CorporateBondsMember" name="CorporateBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DecemberTwoThousandAndTwentyFourMember" name="DecemberTwoThousandAndTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DecemberTwoThousandAndTwentyThreeMember" name="DecemberTwoThousandAndTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DecemberTwoThousandAndTwentyTwoMember" name="DecemberTwoThousandAndTwentyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_ForeignCurrencyConversionOptionMember" name="ForeignCurrencyConversionOptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_HighGradeMember" name="HighGradeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_IncomeStatementMember" name="IncomeStatementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_LowerMediumGradeMember" name="LowerMediumGradeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_OfficeFacilityMember" name="OfficeFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_ProfitLossMember" name="ProfitLossMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_RestrictedStockUnitsMember" name="RestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_SharebasedPaymentArrangementAwardTypeMember" name="SharebasedPaymentArrangementAwardTypeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_SharePriceMeasurementInputMember" name="SharePriceMeasurementInputMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_UpperMediumGradeMember" name="UpperMediumGradeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_UsGovernmentBondsMember" name="UsGovernmentBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_UsTreasuryBillsMember" name="UsTreasuryBillsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_VestingMember" name="VestingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_Warrant1Member" name="Warrant1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_ZeroCouponMember" name="ZeroCouponMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DisclosureDetailedInformationAboutMarketableSecuritiesTable" name="DisclosureDetailedInformationAboutMarketableSecuritiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DisclosureOfHoldingOfTreasurySharesTable" name="DisclosureOfHoldingOfTreasurySharesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DisclosureOfSummaryOfSignificantAccountingPoliciesTable" name="DisclosureOfSummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_SharebasedPaymentArrangementRestrictedStockUnitActivityTable" name="SharebasedPaymentArrangementRestrictedStockUnitActivityTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="asnd_DescriptionOfAccountingPolicyForConvertibleNotesAndDerivativeLiabilitiesPolicyTextBlock" name="DescriptionOfAccountingPolicyForConvertibleNotesAndDerivativeLiabilitiesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_DisclosureDetailedInformationAboutMarketableSecuritiesTextBlock" name="DisclosureDetailedInformationAboutMarketableSecuritiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_DisclosureOfFinancialAssetsAndLiabilitiesExplanatory" name="DisclosureOfFinancialAssetsAndLiabilitiesExplanatory" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_DisclosureOfInformationAboutTreasurySharesExplanatory" name="DisclosureOfInformationAboutTreasurySharesExplanatory" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_DisclosureOfSegmentRevenuesByDestinationOfMajorCustomersExplanatory" name="DisclosureOfSegmentRevenuesByDestinationOfMajorCustomersExplanatory" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_MaturityAnalysisForFinancialLiabilitiesTextBlock" name="MaturityAnalysisForFinancialLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_SharebasedPaymentArrangementRestrictedStockUnitActivityTextBlock" name="SharebasedPaymentArrangementRestrictedStockUnitActivityTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="asnd_SignificantEventsInTheReportingPeriodTextBlock" name="SignificantEventsInTheReportingPeriodTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
