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        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JOHN A FRY</NamePerson>
        <Title>BOARD TRUSTEE</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
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        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>MARK L GREENBERG</NamePerson>
        <Title>BOARD TRUSTEE</Title>
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        <OtherCompensation>0</OtherCompensation>
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        <NamePerson>JAMES R MACALEER</NamePerson>
        <Title>BOARD TRUSTEE</Title>
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        <NamePerson>SANDRA L MCLEAN</NamePerson>
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        <NamePerson>ALLEN J MODEL</NamePerson>
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        <NamePerson>ANTHONY K MOORE</NamePerson>
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        <NamePerson>I WISTER MORRIS III</NamePerson>
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        <NamePerson>JOHN NYHEIM</NamePerson>
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        <NamePerson>PATRICK M OATES PHD</NamePerson>
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        <NamePerson>SEYMOUR S PRESTON III</NamePerson>
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        <NamePerson>ANN L REED</NamePerson>
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        <NamePerson>GERALD B RORER</NamePerson>
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        <NamePerson>JOHN J SOROKO</NamePerson>
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        <NamePerson>KENNETH J WARRWN ESQUIRE</NamePerson>
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        <NamePerson>JOHN F BALES III</NamePerson>
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        <NamePerson>EDWARD A MONTGOMERY JR</NamePerson>
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        <NamePerson>MINTURN T WRIGHT III</NamePerson>
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        <NamePerson>ANDREW LEWIS</NamePerson>
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        <NamePerson>RUTH PATRICK</NamePerson>
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        <NamePerson>JUDITH E SOLTZ ESQ</NamePerson>
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        <NamePerson>DAVID RUSENKO</NamePerson>
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        <NamePerson>SARA A HERTZ</NamePerson>
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        <ProgramServices>34414</ProgramServices>
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        <ManagementAndGeneral>1306672</ManagementAndGeneral>
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        <ManagementAndGeneral>41726</ManagementAndGeneral>
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      <OtherExpenses>
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        <ProgramServices>216916</ProgramServices>
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      <OtherExpenses>
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        <EOY>461356</EOY>
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        <EOY>152210</EOY>
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      <OtherLiabilities>
        <Description>PAYROLL TAXES AND BENEFITS PAYABLE</Description>
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        <Description>OTHER LIABILITIES</Description>
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        <Explanation>THE COLLECTIONS, WHICH WERE ACQUIRED THROUGH PURCHASES AND CONTRIBUTIONS SINCE THE ACADEMY'S INCEPTION, ARE NOT RECOGNIZED AS ASSETS ON THE STATEMENT OF FINANCIAL POSITION. PURCHASES OF COLLECTION ITEMS ARE RECORDED AS DECREASES IN UNRESTRICTED NET ASSETS IN THE YEAR IN WHICH THE ITEMS ARE ACQUIRED OR AS TEMPORARILY OR PERMANENTLY RESTRICTED NET ASSETS IF THE ASSETS USED TO PURCHASE THE ITEMS ARE RESTRICTED BY DONORS. CONTRIBUTED COLLECTION ITEMS ARE NOT REFLECTED ON THE FINANCIAL STATEMENTS. PROCEEDS FROM DEACCESSIONS OR INSURANCE RECOVERIES ARE REFLECTED AS INCREASES IN THE APPROPRIATE NET ASSET CLASSES. THE ACADEMY'S COLLECTIONS ARE MADE UP OF LIBRARY HOLDINGS, SCIENTIFIC SPECIMENS, MINERALS, GEMS, EXHIBITS, AND ART OBJECTS THAT ARE HELD FOR EDUCATIONAL RESEARCH, SCIENTIFIC, AND CURATORIAL PURPOSES. EACH OF THE ITEMS IS CATALOGED, PRESERVED AND CARED FOR, AND ACTIVITIES VERIFYING THEIR EXISTENCE AND ASSESSING THEIR CONDITION ARE PERFORMED CONTINUOUSLY.</Explanation>
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        <ReturnReference>PART V, LINE 4:</ReturnReference>
        <Explanation>THE ENDOWMENT FUNDS WERE ESTABLISHED TO SUPPORT SPECIFIC COLLECTIONS AND RESEARCH, EDUCATION, PUBLICATIONS, THE LIBRARY, DEPARTMENTAL CHAIRS AND POSITIONS, AND THE OVERALL OPERATION OF THE ACADEMY OF NATURAL SCIENCES.</Explanation>
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        <ReturnReference>PART X:</ReturnReference>
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        <Explanation>EFFECT OF FASB STMT NO 158 CUMULATIVE EFFECT OF CHANGE IN ACCOUNTING PRINC. -2,209,116. BENEFIT RETIREMENT PLAN LIABILITY</Explanation>
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      <AcctsActvsOutUSTable>
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      <AcctsActvsOutUSTable>
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        <NumberOfEmployees>0</NumberOfEmployees>
        <TypeOfActivitiesConducted>PROGRAM SERVICES</TypeOfActivitiesConducted>
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      <AcctsActvsOutUSTable>
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        <NumberOfEmployees>1</NumberOfEmployees>
        <TypeOfActivitiesConducted>PROGRAM SERVICES</TypeOfActivitiesConducted>
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      <ContNumberOfEmployees>0</ContNumberOfEmployees>
      <TotalNumberOfOffices>0</TotalNumberOfOffices>
      <TotalNumberOfEmployees>1</TotalNumberOfEmployees>
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      <ContAmountSpent>0</ContAmountSpent>
      <TotalAmountSpent>130719</TotalAmountSpent>
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      <PassiveForeignInvestCo>0</PassiveForeignInvestCo>
      <ForeignPartnership>0</ForeignPartnership>
      <BoycottCountries>0</BoycottCountries>
      <Form990ScheduleFPartV>
        <Identifier>METHOD USED TO ACCCOUNT FOR EXPENDITURES:</Identifier>
        <Explanation>SCHEDULE F, PART I, LINE 3: THE EXPENDITURES INCURRED IN ACTIVITIES OUTSIDE THE UNITED STATES ARE TRACKED ON EXPENSE REPORTS SUBMITTED BY THE SCIENTISTS AND EMPLOYEES. THE EXPENSE REPORTS DOCUMENT THE ACTUAL EXPENDITURES AND DISBURSEMENTS MADE WITHIN THE FOREIGN LOCATION.</Explanation>
      </Form990ScheduleFPartV>
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      <Form990OfOtherOrganizations>X</Form990OfOtherOrganizations>
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      <BoardOrCommitteeApproval>X</BoardOrCommitteeApproval>
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      <SupplementalNonqualRetirePlan>0</SupplementalNonqualRetirePlan>
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      <Form990ScheduleJPartII>
        <NamePerson>GEORGE W GEPHART JR</NamePerson>
        <BaseCompensationFilingOrg>290643</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
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      <Form990ScheduleJPartII>
        <NamePerson>SARA A HERTZ</NamePerson>
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      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>MIGUEL PEREZ-PEREZ</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>RELATED TO BOARD MEMBER</Relationship>
        <AmountOfTransaction>21553</AmountOfTransaction>
        <DescriptionOfTransaction>EMPLOYMENT</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>PETER AUSTEN</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD MEMBER</Relationship>
        <AmountOfTransaction>177229</AmountOfTransaction>
        <DescriptionOfTransaction>INSURANCEINSURANCE</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartV>
        <Identifier>SCHEDULE L-PART IV-SUPPLEMENTAL INFORMATION</Identifier>
        <ReturnReference>BUSINESS TRANSACTIONS INVOLVING INTERESTED PERSONS</ReturnReference>
        <Explanation>THE ACADEMY HAS UTILIZED WILLIS OF PA TO PROVIDE INSURANCE BROKERAGE SERVICES FOR MANY YEARS. IN 2010, PETER AUSTEN JOINED THE ACADEMY'S BOARD OF TRUSTEES. MR. AUSTEN IS THE REGIONAL PARTNER FOR WILLIS NORTH AMERICA, WHICH INCLUDES WILLIS OF PA. WILLIS PROVIDES BROKERAGE SERVICE CONNECTING INSURANCE CARRIERS WITH CLIENTS TO FIND THE BEST COVERAGE AT THE BEST PRICE. WILLIS COLLECTS BOTH THE PREMIUM PAYMENTS FOR THE INSURANCE CARRIERS AND A SERVICE COMMISSION FOR THEIR BROKERAGE AND RISK MANAGEMENT CONSULTING SERVICES. THE $177,229 OF INSURANCE PAYMENTS TO WILLIS OF PA INCLUDES $36,672 OF SERVICE COMMISSION.</Explanation>
      </Form990ScheduleLPartV>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <WorksOfArt>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
      </WorksOfArt>
      <SecuritiesPubliclyTraded>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>35</NumberOfContributions>
        <NoncashContribsRptdF990>1301682</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>SELLING PRICE</MethodOfDeterminingRevenues>
      </SecuritiesPubliclyTraded>
      <FoodInventory>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>5</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
      </FoodInventory>
      <DrugsAndMedicalSupplies>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
      </DrugsAndMedicalSupplies>
      <Taxidermy>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
      </Taxidermy>
      <ScientificSpecimens>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
      </ScientificSpecimens>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>PARKING SPACE</Description>
        <NumberOfContributions>2</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>CARPET</Description>
        <NumberOfContributions>2</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>MICROSCOPE/COMP.</Description>
        <NumberOfContributions>3</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>DENTAL INS, &amp; MODEL</Description>
        <NumberOfContributions>2</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <NumberOf8283Received>0</NumberOf8283Received>
      <AnyPropertyThatMustBeHeld>0</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>1</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>0</ThirdPartiesUsed>
      <Form990ScheduleMPartII>
        <Identifier>THIRD PARTY USE:</Identifier>
        <ReturnReference>PART I, LINE 32B:</ReturnReference>
        <Explanation>THE ORGANIZATION IS REPORTING THE NUMBER OF CONTRIBUTIONS IN COLUMN (B) NOT THE NUMBER OF ITEMS.</Explanation>
      </Form990ScheduleMPartII>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 4</ReturnReference>
        <Explanation>FORM 990, PART VI, SECTION A, LINE 7A: ON SEPTEMBER 30, 2011, THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA EXECUTED AN AFFILIATION AGREEMENT WITH DREXEL UNIVERSITY ESTABLISHING THE ACADEMY AS A NON-PROFIT SUBSIDIARY OF DREXEL. NO MENETARY CONSIDERATION WAS EXCHANGED IN THIS TRANSACTION. BOTH THE ACADEMY AND DREXEL RETAIN THEIR SEPARATE CORPORATE IDENTITIES AND MISSIONS. THE ACADEMY REMAINS A SEPARATE 501(C)(3) NON-PROFIT ORGANIZATION WITH ITS OWN BOARD OF TRUSTEES AND RETAINS ITS CORPORATE NAME. DREXEL BECOMES THE SOLE VOTING MEMBER OF THE ACADEMY. THE ACADEMY WILL BE CONVERTING FROM A CALENDAR YEAR ORGANIZATION TO A JULY 1 FISCAL YEAR ORGANIZATION, BEGINNING JULY 1, 2012, MATCHING DREXEL'S FISCAL YEAR.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 6</ReturnReference>
        <Explanation>THE MEMBERSHIP OF THE ACADEMY CONSISTS OF ONE VOTING MEMBER WHICH IS DREXEL UNIVERSITY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7A</ReturnReference>
        <Explanation>DREXEL UNIVERSITY AS THE SOLE VOTING MEMBER HAS THE AUTHORITY TO APPOINT OR REMOVE AN ACADEMY TRUSTEE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7B</ReturnReference>
        <Explanation>TO THE FULLEST EXTENT PERMITTED UNDER THE PENNSYLVANIA NON-PROFIT CORPORATION LAW OF 1988, AS AMENDED, CERTAIN CORPORATE ACTIONS REQUIRE THE APPROVAL OF THE MEMBERS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>THE DRAFT 990 IS PREPARED INTERNALLY AND REVIEWED BY OUR EXTERNAL AUDITORS ZELENKOFSKE AXELROD LLC. THE DRAFT 990 IS THEN REVIEWED BY THE ACADEMY'S AUDIT COMMITTEE, WITH THE EXTERNAL AUDITORS PRESENT. THE AUDIT COMMITTEE WILL APPROVE THE FINAL VERSION AND DIRECT THE EXTERNAL AUDITORS TO FILE THE RETURN. A COPY OF THE FINAL VERSION IS DISTRIBUTED TO ALL MEMBERS OF THE BOARD OF TRUSTEES AND POSTED ON THE WEBSITE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>ALL TRUSTEES AND APPROPRIATE ACADEMY STAFF REVIEW AND SIGN A CONFLICT OF INTEREST POLICY EACH YEAR WHICH IS MONITORED FOR COMPLIANCE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>THE COMPENSATION OF THE ACADEMY'S CEO WAS RECOMMENDED BY THE ACADEMY'S SEARCH COMMITTEE WORKING WITH AN EXECUTIVE SEARCH FIRM AND APPROVED BY THE BOARD OF TRUSTEES. THE COMPENSATION WAS BASED ON DATA PROVIDED BY THE SEARCH FIRM THAT FACTORED IN THE SPECIFIC INDUSTRY ALONG WITH THE GEOGRAPHIC REGION. THE SEARCH FIRM ALSO PROVIDED DATA ON THE OTHER NON-PROFIT CEO'S WITHIN THE REGION TO HELP RECOMMEND AN APPROPRIATE SALARY RANGE. A THIRD PARTY COMPENSATION SPECIALIST REVIEWED ALL POSITIONS AT THE ACADEMY AND RECOMMENDED A COMPENSATION STRUCTURE BASED ON JOB CLASS, INDUSTRY SECTOR AND GEOGRAPHIC REGION. INDIVIDUAL COMPENSATION LEVELS ARE ESTABLISHED WITHIN THE RANGE FOR THE GIVEN POSITION BASED ON EXPERIENCE AND YEARS OF SERVICE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>THROUGH THE ACADEMY PUBLIC WEBSITE THE PUBLIC MAY REQUEST AND PRINT THE ACADEMY'S BY-LAWS, ARTICLES OF INCORPORATION, FORM 990, CODE OF ETHICS AND CONDUCT AND THE CURRENT AUDIT FINANCIAL STATEMENTS. THE ACADEMY WILL ALSO RESPOND TO WRITTEN REQUESTS AS WELL AS PHONE REQUESTS FOR INFORMATION FOR THOSE WITHOUT COMPUTER ACCESS. THE ACADEMY'S 990 ALSO APPEARS ON INDEPENDENT NON-PROFIT WEBSITES LIKE GUIDESTAR AND CHARITY NAVIGATOR.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5:</ReturnReference>
        <Explanation>NET UNREALIZED LOSSES ON INVESTMENTS: -7,119,538. EFFECT OF FASB STMT NO 158 CUMULATIVE EFFECT OF CHANGE IN ACCOUNTING PRINC. -2,209,116. BENEFIT RETIREMENT PLAN LIABILITY TOTAL TO FORM 990, PART XI, LINE 5: -9,328,654.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>SCHEDULE L PART IV: INTERESTED PERSONS</ReturnReference>
        <Explanation>MIGUEL PEREZ-PEREZ IS THE SON-IN-LAW OF A MEMBER OF THE ACADEMY'S BOARD OF TRUSTEES. MIGUEL WORKS IN THE BOTANY DEPARTMENT OF THE ACADEMY AS A CURATORIAL ASSISTANT.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
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        <NameOfDisregardedEntity>
          <BusinessNameLine1>DREXEL UNIVERSITY</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>3141 CHESTNUT ST</AddressLine1>
          <City>PHILADELPHIA</City>
          <State>PA</State>
          <ZIPCode>19104</ZIPCode>
        </AddressUS>
        <EIN>231352630</EIN>
        <PrimaryActivities>HIGHER EDUCATION</PrimaryActivities>
        <LegalDomicileState>PA</LegalDomicileState>
        <ExemptCodeSection>501(C)(3)</ExemptCodeSection>
        <PublicCharityStatus>LINE 2</PublicCharityStatus>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
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      <GiftGrantOrCapContrFrOtherOrg>1</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>0</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>0</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>0</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>0</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>0</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>0</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>0</SharingOfFacilities>
      <SharingOfPaidEmployees>0</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>0</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>0</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>0</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>DREXEL UNIVERSITY</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>C</TransactionType>
        <AmountInvolved>350000</AmountInvolved>
        <MethodOfAmtDetermination>CASH</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
    </IRS990ScheduleR>
  </ReturnData>
</Return>