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        <link:definition>060500 - Disclosure - Research and development costs</link:definition>
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        <link:definition>060700 - Disclosure - Employment costs</link:definition>
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        <link:definition>060800 - Disclosure - Depreciation and amortization</link:definition>
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        <link:definition>061000 - Disclosure - Finance costs</link:definition>
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        <link:definition>061200 - Disclosure - Earnings per share</link:definition>
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        <link:definition>061300 - Disclosure - Trade and other receivables</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>061400 - Disclosure - Inventories</link:definition>
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        <link:definition>061500 - Disclosure - Other current assets</link:definition>
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        <link:definition>061600 - Disclosure - Financial assets</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/DeferredTaxAssetsAndLiabilities" id="DeferredTaxAssetsAndLiabilities">
        <link:definition>061700 - Disclosure - Deferred tax assets and liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/PropertyPlantAndEquipment" id="PropertyPlantAndEquipment">
        <link:definition>061800 - Disclosure - Property, plant and equipment</link:definition>
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      <link:roleType roleURI="http://telixpharma.com/role/RightofuseAssets" id="RightofuseAssets">
        <link:definition>061900 - Disclosure - Right-of-use assets</link:definition>
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        <link:definition>062000 - Disclosure - Intangible assets</link:definition>
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        <link:definition>062100 - Disclosure - Acquisitions</link:definition>
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        <link:definition>062200 - Disclosure - Trade and other payables</link:definition>
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      <link:roleType roleURI="http://telixpharma.com/role/Borrowings" id="Borrowings">
        <link:definition>062300 - Disclosure - Borrowings</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/ContractLiabilities" id="ContractLiabilities">
        <link:definition>062400 - Disclosure - Contract liabilities</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>062500 - Disclosure - Lease liabilities</link:definition>
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        <link:definition>062600 - Disclosure - Provisions</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/ContingentConsideration" id="ContingentConsideration">
        <link:definition>062700 - Disclosure - Contingent consideration</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/EmployeeBenefitObligations" id="EmployeeBenefitObligations">
        <link:definition>062800 - Disclosure - Employee benefit obligations</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/Equity" id="Equity">
        <link:definition>062900 - Disclosure - Equity</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/SharebasedPayments" id="SharebasedPayments">
        <link:definition>063000 - Disclosure - Share-based payments</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/CashFlowInformation" id="CashFlowInformation">
        <link:definition>063100 - Disclosure - Cash flow information</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/FinancialRiskManagement" id="FinancialRiskManagement">
        <link:definition>063200 - Disclosure - Financial risk management</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/ContingentLiabilities" id="ContingentLiabilities">
        <link:definition>063300 - Disclosure - Contingent liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/Commitments" id="Commitments">
        <link:definition>063400 - Disclosure - Commitments</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/RelatedPartyTransactions" id="RelatedPartyTransactions">
        <link:definition>063500 - Disclosure - Related party transactions</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RemunerationOfAuditor" id="RemunerationOfAuditor">
        <link:definition>063600 - Disclosure - Remuneration of auditor</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/EventsOccurringAfterReportingPeriod" id="EventsOccurringAfterReportingPeriod">
        <link:definition>063700 - Disclosure - Events occurring after the reporting period</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/InsiderTradingPoliciesAndProcedures" id="InsiderTradingPoliciesAndProcedures">
        <link:definition>063800 - Disclosure - Insider Trading Policies and Procedures</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/CybersecurityRiskManagementAndStrategyDisclosure" id="CybersecurityRiskManagementAndStrategyDisclosure">
        <link:definition>063900 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/MaterialAccountingPolicyInformationPolicies" id="MaterialAccountingPolicyInformationPolicies">
        <!--Parent Role: Material accounting policy information-->
        <link:definition>070200 - Disclosure - Material accounting policy information (Policies)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/SegmentReportingTables" id="SegmentReportingTables">
        <!--Parent Role: Segment reporting-->
        <link:definition>080300 - Disclosure - Segment reporting (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/RevenueFromContractsWithCustomersTables" id="RevenueFromContractsWithCustomersTables">
        <!--Parent Role: Revenue from contracts with customers-->
        <link:definition>080400 - Disclosure - Revenue from contracts with customers (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/ResearchAndDevelopmentCostsTables" id="ResearchAndDevelopmentCostsTables">
        <!--Parent Role: Research and development costs-->
        <link:definition>080500 - Disclosure - Research and development costs (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/GeneralAndAdministrationCostsTables" id="GeneralAndAdministrationCostsTables">
        <!--Parent Role: General and administration costs-->
        <link:definition>080600 - Disclosure - General and administration costs (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EmploymentCostsTables" id="EmploymentCostsTables">
        <!--Parent Role: Employment costs-->
        <link:definition>080700 - Disclosure - Employment costs (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/DepreciationAndAmortizationTables" id="DepreciationAndAmortizationTables">
        <!--Parent Role: Depreciation and amortization-->
        <link:definition>080800 - Disclosure - Depreciation and amortization (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/OtherGainsLossesNetTables" id="OtherGainsLossesNetTables">
        <!--Parent Role: Other (gains)/losses (net)-->
        <link:definition>080900 - Disclosure - Other (gains)/losses (net) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/FinanceCostsTables" id="FinanceCostsTables">
        <!--Parent Role: Finance costs-->
        <link:definition>081000 - Disclosure - Finance costs (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/IncomeTaxExpenseBenefitTables" id="IncomeTaxExpenseBenefitTables">
        <!--Parent Role: Income tax expense/(benefit)-->
        <link:definition>081100 - Disclosure - Income tax expense/(benefit) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EarningsPerShareTables" id="EarningsPerShareTables">
        <!--Parent Role: Earnings per share-->
        <link:definition>081200 - Disclosure - Earnings per share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/TradeAndOtherReceivablesTables" id="TradeAndOtherReceivablesTables">
        <!--Parent Role: Trade and other receivables-->
        <link:definition>081300 - Disclosure - Trade and other receivables (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/InventoriesTables" id="InventoriesTables">
        <!--Parent Role: Inventories-->
        <link:definition>081400 - Disclosure - Inventories (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://telixpharma.com/role/OtherCurrentAssetsTables" id="OtherCurrentAssetsTables">
        <!--Parent Role: Other current assets-->
        <link:definition>081500 - Disclosure - Other current assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/FinancialAssetsTables" id="FinancialAssetsTables">
        <!--Parent Role: Financial assets-->
        <link:definition>081600 - Disclosure - Financial assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/DeferredTaxAssetsAndLiabilitiesTables" id="DeferredTaxAssetsAndLiabilitiesTables">
        <!--Parent Role: Deferred tax assets and liabilities-->
        <link:definition>081700 - Disclosure - Deferred tax assets and liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/PropertyPlantAndEquipmentTables" id="PropertyPlantAndEquipmentTables">
        <!--Parent Role: Property, plant and equipment-->
        <link:definition>081800 - Disclosure - Property, plant and equipment (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RightofuseAssetsTables" id="RightofuseAssetsTables">
        <!--Parent Role: Right-of-use assets-->
        <link:definition>081900 - Disclosure - Right-of-use assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/IntangibleAssetsTables" id="IntangibleAssetsTables">
        <!--Parent Role: Intangible assets-->
        <link:definition>082000 - Disclosure - Intangible assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/AcquisitionsTables" id="AcquisitionsTables">
        <!--Parent Role: Acquisitions-->
        <link:definition>082100 - Disclosure - Acquisitions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/TradeAndOtherPayablesTables" id="TradeAndOtherPayablesTables">
        <!--Parent Role: Trade and other payables-->
        <link:definition>082200 - Disclosure - Trade and other payables (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/BorrowingsTables" id="BorrowingsTables">
        <!--Parent Role: Borrowings-->
        <link:definition>082300 - Disclosure - Borrowings (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ContractLiabilitiesTables" id="ContractLiabilitiesTables">
        <!--Parent Role: Contract liabilities-->
        <link:definition>082400 - Disclosure - Contract liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/LeaseLiabilitiesTables" id="LeaseLiabilitiesTables">
        <!--Parent Role: Lease liabilities-->
        <link:definition>082500 - Disclosure - Lease liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ProvisionsTables" id="ProvisionsTables">
        <!--Parent Role: Provisions-->
        <link:definition>082600 - Disclosure - Provisions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ContingentConsiderationTables" id="ContingentConsiderationTables">
        <!--Parent Role: Contingent consideration-->
        <link:definition>082700 - Disclosure - Contingent consideration (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EmployeeBenefitObligationsTables" id="EmployeeBenefitObligationsTables">
        <!--Parent Role: Employee benefit obligations-->
        <link:definition>082800 - Disclosure - Employee benefit obligations (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EquityTables" id="EquityTables">
        <!--Parent Role: Equity-->
        <link:definition>082900 - Disclosure - Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/SharebasedPaymentsTables" id="SharebasedPaymentsTables">
        <!--Parent Role: Share-based payments-->
        <link:definition>083000 - Disclosure - Share-based payments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/CashFlowInformationTables" id="CashFlowInformationTables">
        <!--Parent Role: Cash flow information-->
        <link:definition>083100 - Disclosure - Cash flow information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/FinancialRiskManagementTables" id="FinancialRiskManagementTables">
        <!--Parent Role: Financial risk management-->
        <link:definition>083200 - Disclosure - Financial risk management (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/CommitmentsTables" id="CommitmentsTables">
        <!--Parent Role: Commitments-->
        <link:definition>083400 - Disclosure - Commitments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RelatedPartyTransactionsTables" id="RelatedPartyTransactionsTables">
        <!--Parent Role: Related party transactions-->
        <link:definition>083500 - Disclosure - Related party transactions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RemunerationOfAuditorTables" id="RemunerationOfAuditorTables">
        <!--Parent Role: Remuneration of auditor-->
        <link:definition>083600 - Disclosure - Remuneration of auditor (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EventsOccurringAfterReportingPeriodTables" id="EventsOccurringAfterReportingPeriodTables">
        <!--Parent Role: Events occurring after the reporting period-->
        <link:definition>083700 - Disclosure - Events occurring after the reporting period (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/MaterialAccountingPolicyInformationBusinessCombinationsDetails" id="MaterialAccountingPolicyInformationBusinessCombinationsDetails">
        <!--Parent Role: Material accounting policy information-->
        <link:definition>090200 - Disclosure - Material accounting policy information, Business Combinations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/MaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails" id="MaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails">
        <!--Parent Role: Material accounting policy information-->
        <link:definition>090202 - Disclosure - Material accounting policy information, Property, Plant and Equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/MaterialAccountingPolicyInformationIntangibleAssetsDetails" id="MaterialAccountingPolicyInformationIntangibleAssetsDetails">
        <!--Parent Role: Material accounting policy information-->
        <link:definition>090204 - Disclosure - Material accounting policy information, Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/MaterialAccountingPolicyInformationTradeAndOtherPayablesDetails" id="MaterialAccountingPolicyInformationTradeAndOtherPayablesDetails">
        <!--Parent Role: Material accounting policy information-->
        <link:definition>090206 - Disclosure - Material accounting policy information, Trade and Other Payables (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/MaterialAccountingPolicyInformationRevenueDetails" id="MaterialAccountingPolicyInformationRevenueDetails">
        <!--Parent Role: Material accounting policy information-->
        <link:definition>090208 - Disclosure - Material accounting policy information, Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/SegmentReportingSegmentPerformanceDetails" id="SegmentReportingSegmentPerformanceDetails">
        <!--Parent Role: Segment reporting-->
        <link:definition>090300 - Disclosure - Segment reporting, Segment Performance (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/SegmentReportingReconciliationOfSegmentAdjustedEbitdaAndGroupAdjustedEbitaDetails" id="SegmentReportingReconciliationOfSegmentAdjustedEbitdaAndGroupAdjustedEbitaDetails">
        <!--Parent Role: Segment reporting-->
        <link:definition>090302 - Disclosure - Segment reporting, Reconciliation of Segment Adjusted EBITDA and Group Adjusted EBITA (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/SegmentReportingOperatingSegmentAssetsAndLiabilitiesDetails" id="SegmentReportingOperatingSegmentAssetsAndLiabilitiesDetails">
        <!--Parent Role: Segment reporting-->
        <link:definition>090304 - Disclosure - Segment reporting, Operating Segment Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/SegmentReportingGeographicalInformationDetails" id="SegmentReportingGeographicalInformationDetails">
        <!--Parent Role: Segment reporting-->
        <link:definition>090306 - Disclosure - Segment reporting, Geographical Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RevenueFromContractsWithCustomersDetails" id="RevenueFromContractsWithCustomersDetails">
        <!--Parent Role: Revenue from contracts with customers-->
        <link:definition>090400 - Disclosure - Revenue from contracts with customers (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ResearchAndDevelopmentCostsDetails" id="ResearchAndDevelopmentCostsDetails">
        <!--Parent Role: Research and development costs-->
        <link:definition>090500 - Disclosure - Research and development costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/GeneralAndAdministrationCostsDetails" id="GeneralAndAdministrationCostsDetails">
        <!--Parent Role: General and administration costs-->
        <link:definition>090600 - Disclosure - General and administration costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EmploymentCostsDetails" id="EmploymentCostsDetails">
        <!--Parent Role: Employment costs-->
        <link:definition>090700 - Disclosure - Employment costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/DepreciationAndAmortizationDetails" id="DepreciationAndAmortizationDetails">
        <!--Parent Role: Depreciation and amortization-->
        <link:definition>090800 - Disclosure - Depreciation and amortization (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/OtherGainsLossesNetDetails" id="OtherGainsLossesNetDetails">
        <!--Parent Role: Other (gains)/losses (net)-->
        <link:definition>090900 - Disclosure - Other (gains)/losses (net) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/FinanceCostsDetails" id="FinanceCostsDetails">
        <!--Parent Role: Finance costs-->
        <link:definition>091000 - Disclosure - Finance costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/IncomeTaxExpenseBenefitSummaryDetails" id="IncomeTaxExpenseBenefitSummaryDetails">
        <!--Parent Role: Income tax expense/(benefit)-->
        <link:definition>091100 - Disclosure - Income tax expense/(benefit), Summary (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/IncomeTaxExpenseBenefitNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxExpenseBenefitDetails" id="IncomeTaxExpenseBenefitNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxExpenseBenefitDetails">
        <!--Parent Role: Income tax expense/(benefit)-->
        <link:definition>091102 - Disclosure - Income tax expense/(benefit), Numerical Reconciliation of Prima Facie Tax Payable to Income Tax Expense/(Benefit) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EarningsPerShareDetails" id="EarningsPerShareDetails">
        <!--Parent Role: Earnings per share-->
        <link:definition>091200 - Disclosure - Earnings per share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/TradeAndOtherReceivablesDetails" id="TradeAndOtherReceivablesDetails">
        <!--Parent Role: Trade and other receivables-->
        <link:definition>091300 - Disclosure - Trade and other receivables (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/InventoriesDetails" id="InventoriesDetails">
        <!--Parent Role: Inventories-->
        <link:definition>091400 - Disclosure - Inventories (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/OtherCurrentAssetsDetails" id="OtherCurrentAssetsDetails">
        <!--Parent Role: Other current assets-->
        <link:definition>091500 - Disclosure - Other current assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/FinancialAssetsSummaryDetails" id="FinancialAssetsSummaryDetails">
        <!--Parent Role: Financial assets-->
        <link:definition>091600 - Disclosure - Financial assets, Summary (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/FinancialAssetsAdditionsDetails" id="FinancialAssetsAdditionsDetails">
        <!--Parent Role: Financial assets-->
        <link:definition>091602 - Disclosure - Financial assets, Additions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/DeferredTaxAssetsAndLiabilitiesDeferredTaxAssetsAndLiabilitiesDetails" id="DeferredTaxAssetsAndLiabilitiesDeferredTaxAssetsAndLiabilitiesDetails">
        <!--Parent Role: Deferred tax assets and liabilities-->
        <link:definition>091700 - Disclosure - Deferred tax assets and liabilities, Deferred Tax Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/DeferredTaxAssetsAndLiabilitiesUnrecognizedDeferredTaxAssetsDetails" id="DeferredTaxAssetsAndLiabilitiesUnrecognizedDeferredTaxAssetsDetails">
        <!--Parent Role: Deferred tax assets and liabilities-->
        <link:definition>091702 - Disclosure - Deferred tax assets and liabilities, Unrecognized Deferred Tax Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/DeferredTaxAssetsAndLiabilitiesUnrecognizedTaxLossesDetails" id="DeferredTaxAssetsAndLiabilitiesUnrecognizedTaxLossesDetails">
        <!--Parent Role: Deferred tax assets and liabilities-->
        <link:definition>091704 - Disclosure - Deferred tax assets and liabilities, Unrecognized Tax Losses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/PropertyPlantAndEquipmentDetails" id="PropertyPlantAndEquipmentDetails">
        <!--Parent Role: Property, plant and equipment-->
        <link:definition>091800 - Disclosure - Property, plant and equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RightofuseAssetsRightofuseAssetsDetails" id="RightofuseAssetsRightofuseAssetsDetails">
        <!--Parent Role: Right-of-use assets-->
        <link:definition>091900 - Disclosure - Right-of-use assets, Right-of-Use Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RightofuseAssetsDepreciationChargeOnRightofuseAssetsDetails" id="RightofuseAssetsDepreciationChargeOnRightofuseAssetsDetails">
        <!--Parent Role: Right-of-use assets-->
        <link:definition>091902 - Disclosure - Right-of-use assets, Depreciation Charge on Right-of-Use Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/IntangibleAssetsNetBookAmountDetails" id="IntangibleAssetsNetBookAmountDetails">
        <!--Parent Role: Intangible assets-->
        <link:definition>092000 - Disclosure - Intangible assets, Net Book Amount (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/IntangibleAssetsCashGeneratingUnitsDetails" id="IntangibleAssetsCashGeneratingUnitsDetails">
        <!--Parent Role: Intangible assets-->
        <link:definition>092002 - Disclosure - Intangible assets, Cash Generating Units (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/IntangibleAssetsImpairmentDetails" id="IntangibleAssetsImpairmentDetails">
        <!--Parent Role: Intangible assets-->
        <link:definition>092004 - Disclosure - Intangible assets, Impairment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/AcquisitionsIsotherapeuticsGroupLlcDetails" id="AcquisitionsIsotherapeuticsGroupLlcDetails">
        <!--Parent Role: Acquisitions-->
        <link:definition>092100 - Disclosure - Acquisitions, IsoTherapeutics Group, LLC (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/AcquisitionsArtmsIncDetails" id="AcquisitionsArtmsIncDetails">
        <!--Parent Role: Acquisitions-->
        <link:definition>092102 - Disclosure - Acquisitions, ARTMS Inc. (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/AcquisitionsQsamBiosciencesIncDetails" id="AcquisitionsQsamBiosciencesIncDetails">
        <!--Parent Role: Acquisitions-->
        <link:definition>092104 - Disclosure - Acquisitions, QSAM Biosciences, Inc. (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/TradeAndOtherPayablesDetails" id="TradeAndOtherPayablesDetails">
        <!--Parent Role: Trade and other payables-->
        <link:definition>092200 - Disclosure - Trade and other payables (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/BorrowingsBorrowingsDetails" id="BorrowingsBorrowingsDetails">
        <!--Parent Role: Borrowings-->
        <link:definition>092300 - Disclosure - Borrowings, Borrowings (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/BorrowingsLendersDetails" id="BorrowingsLendersDetails">
        <!--Parent Role: Borrowings-->
        <link:definition>092302 - Disclosure - Borrowings, Lenders (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/BorrowingsBankLoansDetails" id="BorrowingsBankLoansDetails">
        <!--Parent Role: Borrowings-->
        <link:definition>092304 - Disclosure - Borrowings, Bank loans (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/BorrowingsWorkingCapitalFacilityDetails" id="BorrowingsWorkingCapitalFacilityDetails">
        <!--Parent Role: Borrowings-->
        <link:definition>092306 - Disclosure - Borrowings, Working Capital Facility (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/BorrowingsConvertibleBondsDetails" id="BorrowingsConvertibleBondsDetails">
        <!--Parent Role: Borrowings-->
        <link:definition>092308 - Disclosure - Borrowings, Convertible Bonds (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/BorrowingsReconciliationOfLiabilitiesArisingFromFinancingActivitiesDetails" id="BorrowingsReconciliationOfLiabilitiesArisingFromFinancingActivitiesDetails">
        <!--Parent Role: Borrowings-->
        <link:definition>092310 - Disclosure - Borrowings, Reconciliation of Liabilities Arising from Financing Activities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ContractLiabilitiesLiabilitiesRelatedToContractsWithCustomersDetails" id="ContractLiabilitiesLiabilitiesRelatedToContractsWithCustomersDetails">
        <!--Parent Role: Contract liabilities-->
        <link:definition>092400 - Disclosure - Contract liabilities, Liabilities related to contracts with customers (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ContractLiabilitiesGrandPharmaStrategicPartnershipDetails" id="ContractLiabilitiesGrandPharmaStrategicPartnershipDetails">
        <!--Parent Role: Contract liabilities-->
        <link:definition>092402 - Disclosure - Contract liabilities, Grand pharma strategic partnership (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ContractLiabilitiesWalloonRegionNonreimbursableGrantDetails" id="ContractLiabilitiesWalloonRegionNonreimbursableGrantDetails">
        <!--Parent Role: Contract liabilities-->
        <link:definition>092404 - Disclosure - Contract liabilities, Walloon region non-reimbursable grant (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/LeaseLiabilitiesLeasePaymentsDetails" id="LeaseLiabilitiesLeasePaymentsDetails">
        <!--Parent Role: Lease liabilities-->
        <link:definition>092500 - Disclosure - Lease liabilities, Lease payments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/LeaseLiabilitiesLeaseLiabilitiesDetails" id="LeaseLiabilitiesLeaseLiabilitiesDetails">
        <!--Parent Role: Lease liabilities-->
        <link:definition>092502 - Disclosure - Lease liabilities, Lease liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/LeaseLiabilitiesInterestExpenseRelatingToLeasesDetails" id="LeaseLiabilitiesInterestExpenseRelatingToLeasesDetails">
        <!--Parent Role: Lease liabilities-->
        <link:definition>092504 - Disclosure - Lease liabilities, Interest expense relating to leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ProvisionsDetails" id="ProvisionsDetails">
        <!--Parent Role: Provisions-->
        <link:definition>092600 - Disclosure - Provisions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ContingentConsiderationContingentConsiderationDetails" id="ContingentConsiderationContingentConsiderationDetails">
        <!--Parent Role: Contingent consideration-->
        <link:definition>092700 - Disclosure - Contingent consideration, Contingent Consideration (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ContingentConsiderationTelixInnovationsTelixSwitzerlandAndTelixOptimalTracersDetails" id="ContingentConsiderationTelixInnovationsTelixSwitzerlandAndTelixOptimalTracersDetails">
        <!--Parent Role: Contingent consideration-->
        <link:definition>092702 - Disclosure - Contingent consideration, Telix Innovations, Telix Switzerland and Telix Optimal Tracers (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ContingentConsiderationIsoTherapeuticsDetails" id="ContingentConsiderationIsoTherapeuticsDetails">
        <!--Parent Role: Contingent consideration-->
        <link:definition>092704 - Disclosure - Contingent consideration, Iso Therapeutics (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ContingentConsiderationArtmsDetails" id="ContingentConsiderationArtmsDetails">
        <!--Parent Role: Contingent consideration-->
        <link:definition>092706 - Disclosure - Contingent consideration, ARTMS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EmployeeBenefitObligationsDetails" id="EmployeeBenefitObligationsDetails">
        <!--Parent Role: Employee benefit obligations-->
        <link:definition>092800 - Disclosure - Employee benefit obligations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EmployeeBenefitObligationsDetailsCalc2" id="EmployeeBenefitObligationsDetailsCalc2">
        <!--Parent Role: Employee benefit obligations (Details)-->
        <link:definition>092802 - Disclosure - Employee benefit obligations (Details) Calc 2</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EquityShareCapitalDetails" id="EquityShareCapitalDetails">
        <!--Parent Role: Equity-->
        <link:definition>092900 - Disclosure - Equity, Share Capital (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EquityShareCapitalReserveDetails" id="EquityShareCapitalReserveDetails">
        <!--Parent Role: Equity-->
        <link:definition>092902 - Disclosure - Equity, Share Capital Reserve (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EquityOtherReservesDetails" id="EquityOtherReservesDetails">
        <!--Parent Role: Equity-->
        <link:definition>092904 - Disclosure - Equity, Other Reserves (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EquitySharebasedPaymentsReserveDetails" id="EquitySharebasedPaymentsReserveDetails">
        <!--Parent Role: Equity-->
        <link:definition>092906 - Disclosure - Equity, Share-based Payments Reserve (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EquityFinancialAssetsAtFvociReserveDetails" id="EquityFinancialAssetsAtFvociReserveDetails">
        <!--Parent Role: Equity-->
        <link:definition>092908 - Disclosure - Equity, Financial Assets at FVOCI Reserve (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/SharebasedPaymentsEquityIncentivePlanAndOptionsDetails" id="SharebasedPaymentsEquityIncentivePlanAndOptionsDetails">
        <!--Parent Role: Share-based payments-->
        <link:definition>093000 - Disclosure - Share-based payments, Equity Incentive Plan and Options (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/SharebasedPaymentsNumberAndWeightedAverageExercisePriceOfStockOptionsDetails" id="SharebasedPaymentsNumberAndWeightedAverageExercisePriceOfStockOptionsDetails">
        <!--Parent Role: Share-based payments-->
        <link:definition>093002 - Disclosure - Share-based payments, Number and Weighted Average Exercise Price of Stock Options (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/SharebasedPaymentsShareBasedCompensationExpenseDetails" id="SharebasedPaymentsShareBasedCompensationExpenseDetails">
        <!--Parent Role: Share-based payments-->
        <link:definition>093004 - Disclosure - Share-based payments, Share Based Compensation Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/SharebasedPaymentsNumberOfOptionsIssuedUnderEquityIncentivePlanOutstandingDetails" id="SharebasedPaymentsNumberOfOptionsIssuedUnderEquityIncentivePlanOutstandingDetails">
        <!--Parent Role: Share-based payments-->
        <link:definition>093006 - Disclosure - Share-based payments, Number of Options Issued under Equity Incentive Plan Outstanding (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/SharebasedPaymentsFairValueOfGrantDateInputsForOptionsGrantedDetails" id="SharebasedPaymentsFairValueOfGrantDateInputsForOptionsGrantedDetails">
        <!--Parent Role: Share-based payments-->
        <link:definition>093008 - Disclosure - Share-based payments, Fair Value of Grant Date Inputs for Options Granted (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/CashFlowInformationDetails" id="CashFlowInformationDetails">
        <!--Parent Role: Cash flow information-->
        <link:definition>093100 - Disclosure - Cash flow information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/FinancialRiskManagementForeignCurrencyRiskDetails" id="FinancialRiskManagementForeignCurrencyRiskDetails">
        <!--Parent Role: Financial risk management-->
        <link:definition>093200 - Disclosure - Financial risk management, Foreign Currency Risk (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/FinancialRiskManagementCreditRiskDetails" id="FinancialRiskManagementCreditRiskDetails">
        <!--Parent Role: Financial risk management-->
        <link:definition>093202 - Disclosure - Financial risk management, Credit Risk (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/FinancialRiskManagementRemainingContractualMaturitiesDetails" id="FinancialRiskManagementRemainingContractualMaturitiesDetails">
        <!--Parent Role: Financial risk management-->
        <link:definition>093204 - Disclosure - Financial risk management, Remaining Contractual Maturities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/FinancialRiskManagementFairValueDetails" id="FinancialRiskManagementFairValueDetails">
        <!--Parent Role: Financial risk management-->
        <link:definition>093206 - Disclosure - Financial risk management, Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/ContingentLiabilitiesDetails" id="ContingentLiabilitiesDetails">
        <!--Parent Role: Contingent liabilities-->
        <link:definition>093300 - Disclosure - Contingent liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/CommitmentsDetails" id="CommitmentsDetails">
        <!--Parent Role: Commitments-->
        <link:definition>093400 - Disclosure - Commitments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RelatedPartyTransactionsKeyManagementPersonnelCompensationDetails" id="RelatedPartyTransactionsKeyManagementPersonnelCompensationDetails">
        <!--Parent Role: Related party transactions-->
        <link:definition>093500 - Disclosure - Related party transactions, Key Management Personnel Compensation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RelatedPartyTransactionsTransactionsWithOtherRelatedPartiesDetails" id="RelatedPartyTransactionsTransactionsWithOtherRelatedPartiesDetails">
        <!--Parent Role: Related party transactions-->
        <link:definition>093502 - Disclosure - Related party transactions, Transactions with Other Related Parties (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RelatedPartyTransactionsInterestsInOtherEntitiesDetails" id="RelatedPartyTransactionsInterestsInOtherEntitiesDetails">
        <!--Parent Role: Related party transactions-->
        <link:definition>093504 - Disclosure - Related party transactions, Interests in Other Entities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/RemunerationOfAuditorDetails" id="RemunerationOfAuditorDetails">
        <!--Parent Role: Remuneration of auditor-->
        <link:definition>093600 - Disclosure - Remuneration of auditor (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EventsOccurringAfterReportingPeriodAcquisitionOfRlsUsaIncDetails" id="EventsOccurringAfterReportingPeriodAcquisitionOfRlsUsaIncDetails">
        <!--Parent Role: Events occurring after the reporting period-->
        <link:definition>093700 - Disclosure - Events occurring after the reporting period, Acquisition of RLS (USA) Inc (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://telixpharma.com/role/EventsOccurringAfterReportingPeriodAcquisitionOfAssetsDetails" id="EventsOccurringAfterReportingPeriodAcquisitionOfAssetsDetails">
        <!--Parent Role: Events occurring after the reporting period-->
        <link:definition>093702 - Disclosure - Events occurring after the reporting period, Acquisition of Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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  <xs:element name="AdjustmentsForIncreaseDecreaseInProvisions" id="tlx_AdjustmentsForIncreaseDecreaseInProvisions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract" id="tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="FairValueAdjustmentBrandName" id="tlx_FairValueAdjustmentBrandName" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="FairValueAdjustmentCustomerRelationships" id="tlx_FairValueAdjustmentCustomerRelationships" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
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  <xs:element name="CurrencyRiskDecreaseThroughForeignExchangeRatesMember" id="tlx_CurrencyRiskDecreaseThroughForeignExchangeRatesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" id="tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="SharesConvertedForTradeReceivables" id="tlx_SharesConvertedForTradeReceivables" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="RightOfUseAssetNetBookAmount" id="tlx_RightOfUseAssetNetBookAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="ReclassificationsRightOfUseAsset" id="tlx_ReclassificationsRightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
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  <xs:element name="GrantDateThirtyMember" id="tlx_GrantDateThirtyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="GrantDateFourteenMember" id="tlx_GrantDateFourteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="GrantDateThirtyThreeMember" id="tlx_GrantDateThirtyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="GrantDateFortyMember" id="tlx_GrantDateFortyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="GrantDateTwentySevenMember" id="tlx_GrantDateTwentySevenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="GrantDateEightMember" id="tlx_GrantDateEightMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="GrantDateSixMember" id="tlx_GrantDateSixMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="GrantDateTwentyFiveMember" id="tlx_GrantDateTwentyFiveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="GrantDateNineteenMember" id="tlx_GrantDateNineteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="GrantDateThirtySixMember" id="tlx_GrantDateThirtySixMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="ManagingDirectorAndGroupChiefExecutiveOfficerMember" id="tlx_ManagingDirectorAndGroupChiefExecutiveOfficerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="NumberOfProductsToBeDevelopedForRoyaltiesAndSublicenseFeesPayment" id="tlx_NumberOfProductsToBeDevelopedForRoyaltiesAndSublicenseFeesPayment" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
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  <xs:element name="UnrealizedForeignExchangeLossesGains" id="tlx_UnrealizedForeignExchangeLossesGains" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
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  <xs:element name="ImpairmentLossImpairmentReversalsOfIntangibleAssets" id="tlx_ImpairmentLossImpairmentReversalsOfIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
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  <xs:element name="PaymentsForContingentConsiderationClassifiedAsOperatingAndInvestingActivities" id="tlx_PaymentsForContingentConsiderationClassifiedAsOperatingAndInvestingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
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  <xs:element name="NonRefundableUpfrontPaymentReceived" id="tlx_NonRefundableUpfrontPaymentReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="GrandPharmaceuticalGroupLimitedMember" id="tlx_GrandPharmaceuticalGroupLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FuturePaymentContingentOnMilestoneAbstract" id="tlx_FuturePaymentContingentOnMilestoneAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="ExpectedSalesVolumesARTMSAndTelixProductsMember" id="tlx_ExpectedSalesVolumesARTMSAndTelixProductsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PercentageOfPostTaxDiscountRateContingentConsideration" id="tlx_PercentageOfPostTaxDiscountRateContingentConsideration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="MilestoneAchievementProbabilityOfSuccessFactorMember" id="tlx_MilestoneAchievementProbabilityOfSuccessFactorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="DisclosureOfInformationAboutLeaseLiabilitiesTableTextBlock" id="tlx_DisclosureOfInformationAboutLeaseLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="FairValueOfStockOptionsGranted" id="tlx_FairValueOfStockOptionsGranted" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage" id="tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="IncreaseDecreaseThroughTreasurySharesAcquired" id="tlx_IncreaseDecreaseThroughTreasurySharesAcquired" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares" id="tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="IncreaseDecreaseThroughSharesAllocatedToEmployees" id="tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="SharesAllocatedToEmployeesValue" id="tlx_SharesAllocatedToEmployeesValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="IncreaseDecreaseThroughIssueOfConvertibleBonds" id="tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DisclosureOfDetailedInformationAboutRemunerationOfAuditorTextBlock" id="tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity" id="tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities" id="tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="UnrecognizedTaxLossesTableTextBlock" id="tlx_UnrecognizedTaxLossesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DeferredTaxLiabilityAbstract" id="tlx_DeferredTaxLiabilityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DeferredTaxAssetsAbstract" id="tlx_DeferredTaxAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DeferredTaxLiabilitiesPursuantToSetOffProvisions" id="tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
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