<?xml version="1.0" encoding="UTF-8"?>
<!-- Disclaimer: http://www.sbr.gov.au/content/taxonomy_introduction_3_0.htm#Disclaimer -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:p0="http://xbrl.org/2005/xbrldt">
  <link:roleRef roleURI="http://sbr.gov.au/rprt/osrsa/ptmrsa/ptmrsa.0001.calculate.request.02.00/defRole" xlink:type="simple" xlink:href="ptmrsa.0001.calculate.request.02.00.report.xsd#ptmrsa.0001.calculate.req.02.00.calculate.requestdefLink"/>
  <link:roleRef roleURI="http://sbr.gov.au/rprt/osrsa/ptmrsa/ptmrsa.0001.private.02.00/hypercubes/ReportingParty.SA" xlink:type="simple" xlink:href="ptmrsa.0001.private.02.00.module.xsd#ptmrsa.0001.02.00.privatedefLink.ReportingPartySA"/>
  <link:roleRef roleURI="http://sbr.gov.au/rprt/osrsa/ptmrsa/ptmrsa.0001.private.02.00/hypercubes/ReportingParty.SA.GroupStructure" xlink:type="simple" xlink:href="ptmrsa.0001.private.02.00.module.xsd#ptmrsa.0001.02.00.privatedefLink.ReportingPartySAGroupStructure"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:definitionLink xlink:type="extended" xlink:role="http://sbr.gov.au/rprt/osrsa/ptmrsa/ptmrsa.0001.calculate.request.02.00/defRole">
    <link:loc xlink:type="locator" xlink:href="ptmrsa.0001.private.02.00.module.xsd#RA869" xlink:label="ReportingPartySAPrimaryItemsAbstract" xlink:title="ReportingPartySAPrimaryItemsAbstract"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/rvc/rvctc/rvctc5.02.00.data.xsd#DE395" xlink:label="PayrollTax.Deduction.CalculatedTotal.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAPrimaryItemsAbstract" xlink:to="PayrollTax.Deduction.CalculatedTotal.Amount" xlink:title="definition: ReportingPartySAPrimaryItemsAbstract to PayrollTax.Deduction.CalculatedTotal.Amount" use="optional" order="1.0"/>
    <link:loc xlink:type="locator" xlink:href="ptmrsa.0001.private.02.00.module.xsd#HC869" xlink:label="ReportingPartySA" xlink:title="ReportingPartySA"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ReportingPartySAPrimaryItemsAbstract" xlink:to="ReportingPartySA" xlink:title="definition: ReportingPartySAPrimaryItemsAbstract to ReportingPartySA" order="13.0" p0:targetRole="http://sbr.gov.au/rprt/osrsa/ptmrsa/ptmrsa.0001.private.02.00/hypercubes/ReportingParty.SA" p0:contextElement="segment" p0:closed="true"/>
    <link:loc xlink:type="locator" xlink:href="ptmrsa.0001.private.02.00.module.xsd#RA870" xlink:label="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:title="ReportingPartySAGroupStructurePrimaryItemsAbstract"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE836" xlink:label="Remuneration.WagesandSalaries.Payments.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="Remuneration.WagesandSalaries.Payments.Amount" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to Remuneration.WagesandSalaries.Payments.Amount" use="optional" order="1.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE124" xlink:label="Remuneration.EmploymentCommissions.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="Remuneration.EmploymentCommissions.Amount" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to Remuneration.EmploymentCommissions.Amount" use="optional" order="2.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE839" xlink:label="Remuneration.BonusesAndAllowances.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="Remuneration.BonusesAndAllowances.Amount" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to Remuneration.BonusesAndAllowances.Amount" use="optional" order="3.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE842" xlink:label="Remuneration.Fees.Directors.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="Remuneration.Fees.Directors.Amount" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to Remuneration.Fees.Directors.Amount" use="optional" order="4.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/rvc/rvctc/rvctc3.02.00.data.xsd#DE128" xlink:label="FringeBenefitsTax.Type2GrossedUp.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="FringeBenefitsTax.Type2GrossedUp.Amount" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to FringeBenefitsTax.Type2GrossedUp.Amount" use="optional" order="5.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE845" xlink:label="Remuneration.EmployeeSharesAndOptions.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="Remuneration.EmployeeSharesAndOptions.Amount" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to Remuneration.EmployeeSharesAndOptions.Amount" use="optional" order="6.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE918" xlink:label="Remuneration.WagesAndSalaries.ContractorsPayments.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="Remuneration.WagesAndSalaries.ContractorsPayments.Amount" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to Remuneration.WagesAndSalaries.ContractorsPayments.Amount" use="optional" order="7.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE843" xlink:label="Remuneration.EmploymentTermination.Payments.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="Remuneration.EmploymentTermination.Payments.Amount" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to Remuneration.EmploymentTermination.Payments.Amount" use="optional" order="8.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/em/emsup/emsup.02.00.data.xsd#DE1848" xlink:label="SuperannuationContribution.EmployerContributions.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="SuperannuationContribution.EmployerContributions.Amount" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to SuperannuationContribution.EmployerContributions.Amount" use="optional" order="9.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE846" xlink:label="Remuneration.WagesAndSalaries.TaxablePayrollOther.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="Remuneration.WagesAndSalaries.TaxablePayrollOther.Amount" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to Remuneration.WagesAndSalaries.TaxablePayrollOther.Amount" use="optional" order="10.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE847" xlink:label="Remuneration.WagesAndSalaries.TaxablePayrollOther.Description"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="Remuneration.WagesAndSalaries.TaxablePayrollOther.Description" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to Remuneration.WagesAndSalaries.TaxablePayrollOther.Description" use="optional" order="11.0"/>
    <link:loc xlink:type="locator" xlink:href="ptmrsa.0001.private.02.00.module.xsd#HC870" xlink:label="ReportingPartySAGroupStructure" xlink:title="ReportingPartySAGroupStructure"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ReportingPartySAGroupStructurePrimaryItemsAbstract" xlink:to="ReportingPartySAGroupStructure" xlink:title="definition: ReportingPartySAGroupStructurePrimaryItemsAbstract to ReportingPartySAGroupStructure" order="12.0" p0:targetRole="http://sbr.gov.au/rprt/osrsa/ptmrsa/ptmrsa.0001.private.02.00/hypercubes/ReportingParty.SA.GroupStructure" p0:contextElement="segment" p0:closed="true"/>
  </link:definitionLink>
</link:linkbase>
