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        <CarryoverPYNotAppliedAmt>0</CarryoverPYNotAppliedAmt>
        <ExcessDistributionCyovAmt>0</ExcessDistributionCyovAmt>
        <CYTotalAnnualDistributionsAmt>0</CYTotalAnnualDistributionsAmt>
        <CYDistribAppUnderdistriPYAmt>0</CYDistribAppUnderdistriPYAmt>
        <ExcessDistributionAmt>0</ExcessDistributionAmt>
        <RemainingUnderdistriPYAmt>0</RemainingUnderdistriPYAmt>
        <RemainingUnderdistriCYAmt>0</RemainingUnderdistriCYAmt>
        <ExcessDistriCyovToNextYrAmt>0</ExcessDistriCyovToNextYrAmt>
        <ExcessFromYear5Amt>0</ExcessFromYear5Amt>
        <ExcessFromYear4Amt>0</ExcessFromYear4Amt>
        <ExcessFromYear3Amt>0</ExcessFromYear3Amt>
        <ExcessFromYear2Amt>0</ExcessFromYear2Amt>
        <ExcessFromYear1Amt>0</ExcessFromYear1Amt>
      </DistributionAllocationsGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV SUPPORTING ORGANIZATIONS, SECTION D LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>AN ANNUAL MEETING IS HELD BETWEEN THE TRUSTEE AND LAHEY CLINIC FOUNDAT ION</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART V TYPE III NON-FUNCTIONALLY INTEGRATED 509(A)(3) LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS TRUST WAS CREATED UNDER THE WILL OF ALICE SIAS WHO DIED IN 1943. THERE HAVE BEEN NO ADDTIONAL CONTRIBUTIONS. THE TRUST STATES THAT ALL INCOME IS TO BE DISTRIBUTED EACH YEAR TO LAHEY CLINIC FOUNDATION, A HO SPITAL DESCRIBED IN SECTION 170(b)(1)(A)(iii), FOR THE MAINTENANCE OF THE SIAS LABS. THE TRUSTEE PROVIDES THE FINANCIAL INFORMATION FOR THIS TRUST TO LAHEY DURING THEIR ANNUAL MEETING</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART V TYPE III NON-FUNCTIONALLY INTEGRATED 509(A)(3) LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TERM INCOME SHALL MEAN FOR EACH CALENDAR YEAR A FIXED 4.5% OF THE FAIR MARKET VALUE OF THE ASSETS OF THIS TRUST, BASED ON A ROLLING FAIR MARKET VALUE AVERAGE OF THE TRUST ASSETS ON THE LAST BUSINESS DAY OF EACH OF THE FIVE PREVIOUS TAXABLE YEARS.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION D ALL TYPE III SUPPORTING ORG. LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUSTEE FOLLOWS LAHEY'S INVESTMENT POLICIES. ALSO, IN 2004 LAHEY E XERCISED THEIR POWER TO REQUEST THAT THE TRUSTEE APPLY FOR A DOCTRINE OF DEVIATION WITH THE PROBATE COURT TO REDEFINE INCOME. SEE EXPLANATI ON UNDER PART V, LINE 1 FOR HOW INCOME IS REDEFINED.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleI documentId="IRS990ScheduleI">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LAHEY CLINIC FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>41 MALL ROAD</AddressLine1Txt>
          <CityNm>BURLINGTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01805</ZIPCd>
        </USAddress>
        <RecipientEIN>042323457</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>341877</CashGrantAmt>
        <PurposeOfGrantTxt>SUPPORT FOR SIAS LABORATORIES</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>EXPLANATION FOR FORM 990, SCHEDULE I, PART 1, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE ARE NO PROCEDURES FOR MONITORING THE USE OF GRANTS FOR THE GOVERNING TRUST DOCUMENT SPECIFICALLY STATES THAT THE INCOME OF THE TRUST IS TO BE PAID TO LAHEY CLINIC FOUNDATION, INC., (FORMERLY BROOKS HOSPITAL) FOR THE SUPPORT OF THE SIAS LABORATORIES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>EXPLANATION FOR FORM 990, PAGE 7, PART VII, COLUMN (D)</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSISTENT WITH THE INSTRUCTIONS FOR THIS SECTION THE AMOUNT PAID TO THE INSTITUTIONAL TRUSTEE IS BEING REPORTED HERE ALTHOUGH THERE WAS NO REQUIREMENT TO REPORT COMPENSATION TO AN INSTITUTIONAL TRUSTEE ON A FORM W-2 OR 1099-MISC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>EXPLANATION FOR FORM 990, PAGE 6, PART VI, LINE 8a</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE IS NO GOVERNING BODY OR COMMITTEES. STATE STREET GLOBAL ADVISORS TR CO IS THE INSTITUTIONAL TRUSTEE RESPONSIBLE FOR ADMINISTERING THE TRUST PER THE GOVERNING DOCUMENT (THE TRUST WAS CREATED UNDER THE WILL OF ALICE SIAS) WHICH SPECIFICALLY STATES THAT THE INCOME OF THE TRUST IS TO BE PAID TO LAHEY CLINIC FOUNDATION, INC. (FORMERLY BROOKS HOSPITAL) FOR THE SUPPORT OF THE SIAS LABS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>EXPLANATION FOR FORM 990, PAGE 6, PART VI, LINE 8b</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE ARE NO COMMITTEES</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11-DESCRIPTION OF PROCESS FOR REVIEW</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE IS NO GOVERNING BODY. THE FORM 990 IS PREPARED AND REVIEWED BY THE TAX DEPARTMENT OF STATE STREET GLOBAL ADVISORS TR CO WHICH IS THE INSTITUTIONAL TRUSTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>UPON REQUEST AT OUR OFFICE LOCATED AT 1 IRON ST., BOSTON, MA 02210 DURING REGULAR BUSINESS HOURS 9:00 - 5:00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>UPON REQUEST AT OUR OFFICE LOCATED AT 1 IRON ST., BOSTON, MA 02210 DURING REGULAR BUSINESS HOURS BETWEEN 9:00 - 5:00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 7, PART VII, SECTION A</FormAndLineReferenceDesc>
        <ExplanationTxt>NONE</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LAHEY CLINIC FOUNDATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>41 MALL ROAD</AddressLine1Txt>
          <CityNm>BURLINGTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01805</ZIPCd>
        </USAddress>
        <EIN>042323457</EIN>
        <PrimaryActivitiesTxt>HOSPITAL</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>PUBLIC CHARITY</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>true</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>LAHEY CLINIC FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>b</TransactionTypeTxt>
        <InvolvedAmt>341877</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>CASH</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>