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        <Explanation>In July 2006, the FASB issued FASB Interpretation No. 48 ("FIN 48")(now referred to as ASC 740-10-25-6), "Accounting for Uncertainty in Income Taxes - An Interpretation of FASB Statement 109," which clarifies the accounting for uncertainty in income taxes recognized in an enterprise's financial statements in accordance with the broader concepts previously outlined in ASC 740. This new guidance prescribes a comprehensive model for recognizing, measuring, presenting and disclosing in the financial statements tax positions taken or expected to be taken on a tax return, including positions that the organization is exempt from income taxes or not subject to income taxes on unrelated business income. The Company is exempt from income tax under IRC section 501(c)(3), though it is subject to tax on income unrelated to its exempt purposes, unless that income is otherwise excluded by the IRC. Therefore, no provision for income taxes has been made in the accompanying consolidated financial statements. The tax years ending 2007, 2008 and 2009 are still open to audit for both Federal and state purposes. The Company adopted FIN 48 as of January 1, 2009, and it had no impact on the financial position and results of operations.</Explanation>
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          <BusinessNameLine1>Mather Lifeways</BusinessNameLine1>
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          <AddressLine1>1603 Orrington Avenue</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
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        <EINOfRecipient>362233542</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>9162945</AmountOfCashGrant>
        <PurposeOfGrant>Mission Driven Prog.</PurposeOfGrant>
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      <RecipientTable>
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          <AddressLine1>1603 Orrington Avenue</AddressLine1>
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        <EINOfRecipient>205860808</EINOfRecipient>
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        <AmountOfCashGrant>2350000</AmountOfCashGrant>
        <PurposeOfGrant>Mission Driven Prog.</PurposeOfGrant>
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          <BusinessNameLine1>The Georgian</BusinessNameLine1>
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          <AddressLine1>1603 Orrington Avenue</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
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        <IRCSection>501(c)(3)</IRCSection>
        <AmountOfCashGrant>1450000</AmountOfCashGrant>
        <PurposeOfGrant>Mission Driven Prog.</PurposeOfGrant>
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          <City>Evanston</City>
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        <PurposeOfGrant>Mission Driven Prog.</PurposeOfGrant>
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        <Explanation>Supervision through parent organization's role.</Explanation>
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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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      <Form990ScheduleJPartIII>
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        <Explanation>Mary Leary, Carol Sussenbach, Carla Windhorst are participants in Mather Lifeways' 457(f) plans. No distributions were paid out during 2010.</Explanation>
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      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, Line 11b</Identifier>
        <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>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, Line 12c</Identifier>
        <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, inlcuding sharing the questionnaires with the full Board when necessary.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, Line 15</Identifier>
        <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>
      </GeneralExplanation>
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        <Explanation>The organization's governing documents, conflict of interest policy, and financial statements are available upon request.</Explanation>
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      <GeneralExplanation>
        <Identifier>Form 990, Part XI, Line 5</Identifier>
        <Explanation>Unrealized Gain - Investments $27,044,958 Unrealized Gain - Endowment $ 1,542,332 --------------- Total $28,587,290</Explanation>
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        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Caren (Jeff) L. Reed TITLE:Chairman HOURS:1</Explanation>
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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>
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        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Mary G. Leary TITLE:Director, CEO HOURS:50</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Robert B. McDermott TITLE:Director 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: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>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>Mather Lifeways</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>1603 Orrington Ave Suite 1800</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
          <ZIPCode>60201</ZIPCode>
        </AddressUS>
        <EIN>362233542</EIN>
        <PrimaryActivities>Older Adult</PrimaryActivities>
        <LegalDomicileState>IL</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>7</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>Mather Fdn</BusinessNameLine1>
        </DirectControllingEntityName>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>Mather Health Care Inc</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>1603 Orrington Ave Suite 1800</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
          <ZIPCode>60201</ZIPCode>
        </AddressUS>
        <EIN>363776145</EIN>
        <PrimaryActivities>Health Care</PrimaryActivities>
        <LegalDomicileState>IL</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>Mather life</BusinessNameLine1>
        </DirectControllingEntityName>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>Mather Investments NFP</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>1603 Orrington Ave Suite 1800</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
          <ZIPCode>60201</ZIPCode>
        </AddressUS>
        <EIN>364266878</EIN>
        <PrimaryActivities>Older Adult</PrimaryActivities>
        <LegalDomicileState>IL</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>Mather Life</BusinessNameLine1>
        </DirectControllingEntityName>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>The Georgian</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>1603 Orrington Ave Suite 1800</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
          <ZIPCode>60201</ZIPCode>
        </AddressUS>
        <EIN>362856851</EIN>
        <PrimaryActivities>Senior Living</PrimaryActivities>
        <LegalDomicileState>IL</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>Mather Life</BusinessNameLine1>
        </DirectControllingEntityName>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>The Mather</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>1603 Orrington Ave Suite 1800</AddressLine1>
          <City>Evanston</City>
          <State>IL</State>
          <ZIPCode>60201</ZIPCode>
        </AddressUS>
        <EIN>205860808</EIN>
        <PrimaryActivities>Senior Living</PrimaryActivities>
        <LegalDomicileState>IL</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>Mather Life</BusinessNameLine1>
        </DirectControllingEntityName>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>Alonzo Mather Foundation</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>PO Box 3038</AddressLine1>
          <City>Milwaukee</City>
          <State>WI</State>
          <ZIPCode>53201</ZIPCode>
        </AddressUS>
        <EIN>366015440</EIN>
        <PrimaryActivities>Grants</PrimaryActivities>
        <LegalDomicileState>IL</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>PF</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>na</BusinessNameLine1>
        </DirectControllingEntityName>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>Alonzo Clark Mather Trust</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>231 S Lasalle St</AddressLine1>
          <City>Chicago</City>
          <State>IL</State>
          <ZIPCode>60697</ZIPCode>
        </AddressUS>
        <EIN>366010112</EIN>
        <PrimaryActivities>Grants</PrimaryActivities>
        <LegalDomicileState>IL</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>PF</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>na</BusinessNameLine1>
        </DirectControllingEntityName>
      </Form990ScheduleRPartII>
      <ReceiptOfIntAnnRentsRoyalties>true</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>true</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>true</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>true</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>true</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>false</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>false</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>false</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>false</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>false</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>false</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>false</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>false</SharingOfFacilities>
      <SharingOfPaidEmployees>false</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>true</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>false</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>false</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>false</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Mather Lifeways</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>a</TransactionType>
        <AmountInvolved>1233594</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Mather Lifeways</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>b</TransactionType>
        <AmountInvolved>9162945</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>The Mather</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>b</TransactionType>
        <AmountInvolved>2350000</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>The Georgian</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>b</TransactionType>
        <AmountInvolved>1450000</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Mather Health Care Inc</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>b</TransactionType>
        <AmountInvolved>700000</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Alonzo Mather Foundation</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>c</TransactionType>
        <AmountInvolved>1485246</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Alonzo Clark Mather Trust</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>c</TransactionType>
        <AmountInvolved>217000</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Mather LifeWays</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>d</TransactionType>
        <AmountInvolved>31911471</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Mather Investments NFP</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>d</TransactionType>
        <AmountInvolved>11754523</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Mather LifeWays</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>e</TransactionType>
        <AmountInvolved>1192193</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Mather LifeWays</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>o</TransactionType>
        <AmountInvolved>416429</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <Form990ScheduleRPartVII>
        <Identifier>Form 990, Schedule R, Part V, Line 2, Column B</Identifier>
        <Explanation>Transaction Type 'B' - Gift, grant, or capital contribution to other organization(s): Every year, the resources that Mather LifeWays and its affiliates will need to support its mission are evaluated against anticipated revenues. If revenues are not sufficient to cover expenses, a contribution to Mather LifeWays and its affiliates by Mather Foundation (affiliated organization) is evaluated and included in the annual budget. The budget is approved by the board of directors. The actual contribution is calculated at the end of the fiscal year by determining the needs of Mather Lifeways and its affiliates within the budgeted parameters. Transaction Type 'D' - Loans or Loan Guarantees to or for other Organization(s): Mather Foundation has intercompany loans and receivables with Mather Investments, NFP and Mather Lifeways. Costs of services and other items are charged to the related entity, and are then settled via intercompany accounts. Transaction Type 'E' - Loans or Loan Guarantees by other Organization(s): Mather Foundation has intercompany loans and receivables from Mather Lifeways. Costs of services and other items are charged to the related entity, and are then settled via intercompany accounts. Transaction Type 'O' - Reimbursement paid to other organization for expenses: Mather Lifeways is reimbursed by Mather Foundation for personnel, space, and other expenses paid on its behalf. Reimbursement is based on actual amounts paid by Mather Lifeways on Mather Foundation's behalf. No markup is added. Reimbursement is handled through an intercompany account maintained by the two organizations.</Explanation>
      </Form990ScheduleRPartVII>
    </IRS990ScheduleR>
  </ReturnData>
</Return>