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        <PurposeOfGrant>Mission Driven Prog.</PurposeOfGrant>
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        <ReturnReference>Form 990, Schedule I, Part I, Line 2</ReturnReference>
        <Explanation>Supervision through parent organization's role.</Explanation>
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        <Identifier>Top Management's Compensation</Identifier>
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        <Explanation>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.</Explanation>
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        <Identifier>Supplemental nonqualified retirement plan</Identifier>
        <ReturnReference>Form 990, Schedule J, Part I, Line 4B</ReturnReference>
        <Explanation>Mary G. Leary, Carol Sussenbach, Carla Windhorst are participants in Mather Lifeways' 457(f) plans. Distributions of $942.48, $9,115.36, and $3,708.94, respectively, were paid out in 2011.</Explanation>
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        <Explanation>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.</Explanation>
      </GeneralExplanation>
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        <Explanation>Annually all board members, officers and senior staff must disclose any interests that could give rise to conflicts. Any conflicts are referred to the Chairman of the Board of Directors, who takes appropriate action, including sharing the questionnaires with the full Board when necessary.</Explanation>
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        <ReturnReference>Form 990, Part VI, Line 15a</ReturnReference>
        <Explanation>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.</Explanation>
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        <Identifier>How Documents are Made Available to the Public</Identifier>
        <ReturnReference>Form 990, Part VI, Line 19</ReturnReference>
        <Explanation>The organization's governing documents, conflict of interest policy, and financial statements are available upon request.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Other Changes in Net Assets or Fund Balances</Identifier>
        <ReturnReference>Form 990, Part XI, Line 5</ReturnReference>
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      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
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      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
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      <GeneralExplanation>
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        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Victoria J. Herget TITLE:Director HOURS:</Explanation>
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      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Robert B. McDermott TITLE:Director, term ended 3/11 HOURS:1</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:John R. Phillips TITLE:Director HOURS:</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Caren (Jeff) L. Reed TITLE:Director HOURS:</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Vernon T. Squires TITLE:Director HOURS:</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Carol Sussenbach TITLE:Treasurer HOURS:35</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Carla Windhorst TITLE:Secretary HOURS:50</Explanation>
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        <DirectControllingEntityName>
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        </DirectControllingEntityName>
        <ControlledOrg>false</ControlledOrg>
      </Form990ScheduleRPartII>
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      <GiftGrantOrCapContrToOtherOrg>true</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>true</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>true</LoansOrGuaranteesToOtherOrg>
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        <AmountInvolved>1975793</AmountInvolved>
        <MethodOfAmtDetermination>Cost</MethodOfAmtDetermination>
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</Return>