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        <ExplanationTxt>Liability for Uncertain Tax Positions Mather LifeWays; Mather Foundation; Mather Healthcare, Inc.; Mather Investments, NFP; Mather Possibilities; and The Mather have received favorable determination letters from the Internal Revenue Service stating that they are exempt from federal income taxes under the provisions of Section 501(c)(3) of the Internal Revenue Code of 1986, as amended, except for income taxes pertaining to unrelated business income. The Financial Accounting Standards Board issued guidance that requires tax effects from uncertain tax positions to be recognized in the consolidated financial statements only if the position is more likely than not to be sustained if the position were to be challenged by a taxing authority. Management has determined there are no material uncertain positions that require recognition in the consolidated financial statements. Additionally, no provision for incomes taxes is reflected in these consolidated financial statements. The calendar years ending 2010, 2011, 2012 and 2013 are open to audit for federal income tax purposes. The entities of Mather LifeWays file tax returns in certain states; however, they do not file in every state. For all states where the entities have not filed a state return, all tax years remain open.</ExplanationTxt>
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      <ForeignPartnershipInd>true</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="IRS990ScheduleI">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1>Mather Lifeways</BusinessNameLine1>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1>1603 Orrington Avenue</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
          <ZIPCode>60201</ZIPCode>
        </USAddress>
        <RecipientEIN>362233542</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>14535494</CashGrantAmt>
        <PurposeOfGrantTxt>Mission Driven Prog.</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Schedule I, Part I, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>Procedure for Monitoring Use of Grant Funds Inside U.S. Supervision through parent organization's role.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="IRS990ScheduleJ">
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>true</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Mary G Leary</PersonNm>
        <TitleTxt>Director, CEO</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>584976</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>636305</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>20867</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>366826</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>29908</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>1638882</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>305381</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Carol Sussenbach</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>239828</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>145165</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>32524</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>153992</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>26121</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>597630</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>48393</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Schedule J, Part I, Line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>Top Management's Compensation Mather Foundation's top management's compensation is established by Mather LifeWays, as the compensation is paid by Mather LifeWays (a related organization). Mather LifeWays follows procedures to establish the "rebuttable" presumption of reasonableness described in the Income Tax Regulations in determining executive compensation. Compensation is reviewed annually by the Board's Compensation Committee, which consists of independent directors who obtain and rely on appropriate data as to comparability. Objective evidence of reasonableness and comparability is obtained from information provided by an independent, third party compensation consultant. Determination of executive compensation involves benchmarking with comparative market compensation data to ensure that compensation is fair, equitable, and within the standards of compensation utilized within the industry. Compensation decisions are documented and reviewed with the full Board.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Schedule J, Part I, Line 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>Supplemental nonqualified retirement plan Mary G. Leary and Carol Sussenbach are participants in Mather LifeWays' 457(f) plans. Distributions of $133,691 and $9,313, respectively, were paid out in 2013.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 Review Process The Form 990, including schedules, was distributed to the members of the Mather Foundation Audit Committee of the Board of Directors. The committee met with management and reviewed the Form 990. Subsequently, the Form 990 was distributed to each director. All comments and questions were directed to the organization's Chief Financial Officer.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Conflict of Interest Policy Monitoring &amp; Enforcement Annually all board members, officers and senior staff must disclose any interests that could give rise to conflicts. Any actual, potential, or apparent conflicts are referred to the CEO and President, the Board Chair and Chair of the Governance Committee, who take appropriate action, including discussing with the full board, when necessary.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>Process for Determining Compensation All compensation for officers/directors/key employees is paid by a related organization, Mather Lifeways. Mather Foundation relied on Mather Lifeways to review this information for all compensation paid.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>How Documents are Made Available to the Public The organization's articles of incorporation, bylaws, conflict of interest policy, and audited financial statements are available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1>Mather LifeWays</BusinessNameLine1>
        </DisregardedEntityName>
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          <AddressLine1>1603 Orrington Ave Suite 1800</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
          <ZIPCode>60201</ZIPCode>
        </USAddress>
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        <PrimaryActivitiesTxt>Older Adult</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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        <PublicCharityStatusTxt>11-Type II</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1>Mather Fdn</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>Mather Health Care Inc</BusinessNameLine1>
        </DisregardedEntityName>
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          <AddressLine1>1603 Orrington Ave Suite 1800</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
          <ZIPCode>60201</ZIPCode>
        </USAddress>
        <EIN>363776145</EIN>
        <PrimaryActivitiesTxt>Health Care</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>09</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1>Mather Life</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>Mather Investments NFP</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>1603 Orrington Ave Suite 1800</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
          <ZIPCode>60201</ZIPCode>
        </USAddress>
        <EIN>364266878</EIN>
        <PrimaryActivitiesTxt>Senior Living</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>09</PublicCharityStatusTxt>
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          <BusinessNameLine1>Mather Life</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>Mather Possibilities</BusinessNameLine1>
        </DisregardedEntityName>
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          <AddressLine1>1603 Orrington Ave Suite 1800</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
          <ZIPCode>60201</ZIPCode>
        </USAddress>
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        <PrimaryActivitiesTxt>Older Adult</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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          <BusinessNameLine1>Mather Life</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>The Mather</BusinessNameLine1>
        </DisregardedEntityName>
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          <AddressLine1>1603 Orrington Ave Suite 1800</AddressLine1>
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          <State>IL</State>
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      <IdRelatedTaxExemptOrgGrp>
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          <BusinessNameLine1>Alonzo Mather Foundation</BusinessNameLine1>
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          <AddressLine1>727 North Bank Lane</AddressLine1>
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          <ZIPCode>60045</ZIPCode>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>Alonzo Clark Mather Trust</BusinessNameLine1>
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          <AddressLine1>231 S Lasalle Street</AddressLine1>
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        </DirectControllingEntityName>
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      <LoansOrGuaranteesFromOthOrgInd>true</LoansOrGuaranteesFromOthOrgInd>
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          <BusinessNameLine1>Mather LifeWays</BusinessNameLine1>
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          <BusinessNameLine1>Mather LifeWays</BusinessNameLine1>
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        <InvolvedAmt>523764</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>