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<element name="DisclosureOfSegmentRevenuesByDestinationOfMajorCustomersExplanatory" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_DisclosureOfSegmentRevenuesByDestinationOfMajorCustomersExplanatory" substitutionGroup="xbrli:item" />
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<element name="DisclosureOfFinancialAssetsAndLiabilitiesExplanatory" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_DisclosureOfFinancialAssetsAndLiabilitiesExplanatory" substitutionGroup="xbrli:item" />
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<element name="TreasuryStockCommonShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_TreasuryStockCommonShares" substitutionGroup="xbrli:item" />
<element name="EnforceableLeaseterm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_EnforceableLeaseterm" substitutionGroup="xbrli:item" />
<element name="OfficeFacilityMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_OfficeFacilityMember" substitutionGroup="xbrli:item" />
<element name="ShortTermDebtTypeAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_ShortTermDebtTypeAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="ShortTermDebtTypeDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_ShortTermDebtTypeDomain" substitutionGroup="xbrli:item" />
<element name="AmericanDepositorySharesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_AmericanDepositorySharesMember" substitutionGroup="xbrli:item" />
<element name="VisenPharmaceuticalsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_VisenPharmaceuticalsMember" substitutionGroup="xbrli:item" />
<element name="MinimumNumberOfCollaborationPartnerAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_MinimumNumberOfCollaborationPartnerAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="CollaborationPartnerOneMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_CollaborationPartnerOneMember" substitutionGroup="xbrli:item" />
<element name="UpfrontPaymentReceivedNonCashConsiderationTowardsLicenseRevenue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_UpfrontPaymentReceivedNonCashConsiderationTowardsLicenseRevenue" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="PaymentTermOfCustomers" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_PaymentTermOfCustomers" substitutionGroup="xbrli:item" />
<element name="RevenueFromSaleOfClinicalSupply" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_RevenueFromSaleOfClinicalSupply" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="CollaborationPartnersAndLicenseAgreementsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_CollaborationPartnersAndLicenseAgreementsMember" substitutionGroup="xbrli:item" />
<element name="CommercialCustomersMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_CommercialCustomersMember" substitutionGroup="xbrli:item" />
<element name="DeferredRevenueFromAssociate" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_DeferredRevenueFromAssociate" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="NumberOfReportableOperatingSegments" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_NumberOfReportableOperatingSegments" substitutionGroup="xbrli:item" />
<element name="DisclosureOfEmployeeCompensationCostsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DisclosureOfEmployeeCompensationCostsAbstract" substitutionGroup="xbrli:item" />
<element name="DisclosureOfWarrantActivityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DisclosureOfWarrantActivityLineItems" substitutionGroup="xbrli:item" />
<element name="WeightedAverageExercisePriceOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_WeightedAverageExercisePriceOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement" substitutionGroup="xbrli:item" />
<element name="NumberOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_NumberOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement" substitutionGroup="xbrli:item" />
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<element name="NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement" substitutionGroup="xbrli:item" />
<element name="NumberOfOtherEquityInstrumentsTransferredInShareBasedPaymentArrangement" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_NumberOfOtherEquityInstrumentsTransferredInShareBasedPaymentArrangement" substitutionGroup="xbrli:item" />
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<element name="SharebasedPaymentArrangementAwardTypeMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_SharebasedPaymentArrangementAwardTypeMember" substitutionGroup="xbrli:item" />
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<element name="VestingAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_VestingAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="VestingMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_VestingMember" substitutionGroup="xbrli:item" />
<element name="DecemberTwoThousandAndTwentyThreeMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DecemberTwoThousandAndTwentyThreeMember" substitutionGroup="xbrli:item" />
<element name="DecemberTwoThousandAndTwentyFourMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DecemberTwoThousandAndTwentyFourMember" substitutionGroup="xbrli:item" />
<element name="DecemberTwoThousandAndTwentyTwoMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DecemberTwoThousandAndTwentyTwoMember" substitutionGroup="xbrli:item" />
<element name="IncomeStatementAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_IncomeStatementAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="IncomeStatementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_IncomeStatementMember" substitutionGroup="xbrli:item" />
<element name="ProfitLossMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_ProfitLossMember" substitutionGroup="xbrli:item" />
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<element name="DisclosureOfHoldingOfTreasurySharesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DisclosureOfHoldingOfTreasurySharesTable" substitutionGroup="xbrldt:hypercubeItem" />
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<element name="NumberOfTreasurySharesOutstanding" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_NumberOfTreasurySharesOutstanding" substitutionGroup="xbrli:item" />
<element name="IncreaseDecreaseInTreasurySharesAcquiredFromThirdParties" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_IncreaseDecreaseInTreasurySharesAcquiredFromThirdParties" substitutionGroup="xbrli:item" />
<element name="TreasurySharesHoldingInPercentageOfTotalOutstandingSharesAcquiredFromThirdParties" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_TreasurySharesHoldingInPercentageOfTotalOutstandingSharesAcquiredFromThirdParties" substitutionGroup="xbrli:item" />
<element name="TreasurySharesHoldingInPercentageOfTotalOutstandingShares" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_TreasurySharesHoldingInPercentageOfTotalOutstandingShares" substitutionGroup="xbrli:item" />
<element name="TreasurySharesOfNominalValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_TreasurySharesOfNominalValue" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="PurchaseOfTreasurySharesNominalValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_PurchaseOfTreasurySharesNominalValue" substitutionGroup="xbrli:item" xbrli:balance="debit" />
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<element name="WeightedAverageDurationOfMarketableSecuritiesExplanatory" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_WeightedAverageDurationOfMarketableSecuritiesExplanatory" substitutionGroup="xbrli:item" />
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<element name="WeightedAverageDurationOfMarketableSecuritiesCurrentExplanatory" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_WeightedAverageDurationOfMarketableSecuritiesCurrentExplanatory" substitutionGroup="xbrli:item" />
<element name="BorrowingsInArrearsDefaultPaymentStartDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_BorrowingsInArrearsDefaultPaymentStartDate" substitutionGroup="xbrli:item" />
<element name="IncreaseDecreaseInDerivativeFinancialLiabilitiesFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_IncreaseDecreaseInDerivativeFinancialLiabilitiesFairValue" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="ConversionRatePerNote" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_ConversionRatePerNote" substitutionGroup="xbrli:item" />
<element name="ConversionPricePerShare" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_ConversionPricePerShare" substitutionGroup="xbrli:item" />
<element name="BorrowingsRedemptionPeriod" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_BorrowingsRedemptionPeriod" substitutionGroup="xbrli:item" />
<element name="BorrowingsConditionForRedemption" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_BorrowingsConditionForRedemption" substitutionGroup="xbrli:item" />
<element name="BorrowingsThresholdPercentageOfSalePricePerShareForRedemption" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_BorrowingsThresholdPercentageOfSalePricePerShareForRedemption" substitutionGroup="xbrli:item" />
<element name="BorrowingsThresholdTradingDaysForRedemption" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_BorrowingsThresholdTradingDaysForRedemption" substitutionGroup="xbrli:item" />
<element name="BorrowingsThresholdConsecutiveTradingDaysForRedemption" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="asnd_BorrowingsThresholdConsecutiveTradingDaysForRedemption" substitutionGroup="xbrli:item" />
<element name="FairValueOfConvertibleNotes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_FairValueOfConvertibleNotes" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="SharePriceAppliedForValuation" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_SharePriceAppliedForValuation" substitutionGroup="xbrli:item" />
<element name="SaleOfStockAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_SaleOfStockAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="SaleOfStockDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_SaleOfStockDomain" substitutionGroup="xbrli:item" />
<element name="ForeignCurrencyRiskAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_ForeignCurrencyRiskAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="ForeignCurrencyRiskDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_ForeignCurrencyRiskDomain" substitutionGroup="xbrli:item" />
<element name="ShareRepurchaseProgramAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_ShareRepurchaseProgramAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="ShareRepurchaseProgramDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_ShareRepurchaseProgramDomain" substitutionGroup="xbrli:item" />
<element name="DetailsAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DetailsAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="DetailsDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DetailsDomain" substitutionGroup="xbrli:item" />
<element name="DerivativeInstrumentRiskAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DerivativeInstrumentRiskAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="DerivativeInstrumentRiskDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DerivativeInstrumentRiskDomain" substitutionGroup="xbrli:item" />
<element name="ForeignCurrencyConversionOptionMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_ForeignCurrencyConversionOptionMember" substitutionGroup="xbrli:item" />
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<element name="UsGovernmentBondsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_UsGovernmentBondsMember" substitutionGroup="xbrli:item" />
<element name="CorporateBondsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_CorporateBondsMember" substitutionGroup="xbrli:item" />
<element name="AgencyBondsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_AgencyBondsMember" substitutionGroup="xbrli:item" />
<element name="CommercialPapersMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_CommercialPapersMember" substitutionGroup="xbrli:item" />
<element name="LowerMediumGradeMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_LowerMediumGradeMember" substitutionGroup="xbrli:item" />
<element name="HighGradeMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_HighGradeMember" substitutionGroup="xbrli:item" />
<element name="UpperMediumGradeMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_UpperMediumGradeMember" substitutionGroup="xbrli:item" />
<element name="DisclosureDetailedInformationAboutMarketableSecuritiesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_DisclosureDetailedInformationAboutMarketableSecuritiesLineItems" substitutionGroup="xbrli:item" />
<element name="ZeroCouponMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="asnd_ZeroCouponMember" substitutionGroup="xbrli:item" />
<element name="ContractualUndiscountedCashflowOfFinancialLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_ContractualUndiscountedCashflowOfFinancialLeaseLiabilities" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="ContractualUndiscountedCashflowOfTradePayablesAndOtherPayables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_ContractualUndiscountedCashflowOfTradePayablesAndOtherPayables" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="ContractualUndiscountedCashflowOfFinancialLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_ContractualUndiscountedCashflowOfFinancialLiabilities" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="ContractualUndiscountedCashflowOfConvertibleSeniorNotes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="asnd_ContractualUndiscountedCashflowOfConvertibleSeniorNotes" substitutionGroup="xbrli:item" xbrli:balance="credit" />
</schema>
