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        <NamePerson>JOHN A FRY</NamePerson>
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        <NamePerson>MARK L GREENBERG</NamePerson>
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        <NamePerson>R JAMES MACALEER</NamePerson>
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        <ProgramServices>100</ProgramServices>
        <ManagementAndGeneral>20492</ManagementAndGeneral>
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      <FeesForServicesAccounting>
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        <ManagementAndGeneral>54983</ManagementAndGeneral>
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        <ProgramServices>617773</ProgramServices>
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        <Fundraising>25935</Fundraising>
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        <ManagementAndGeneral>42824</ManagementAndGeneral>
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        <ProgramServices>34085</ProgramServices>
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        <ProgramServices>10110</ProgramServices>
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        <ProgramServices>2897754</ProgramServices>
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        <ProgramServices>55515</ProgramServices>
        <ManagementAndGeneral>105545</ManagementAndGeneral>
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        <Description>INTERCOMPANY CHARGE BAC</Description>
        <Total>483788</Total>
        <ProgramServices>483788</ProgramServices>
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      <OtherExpenses>
        <Description>LAB SUPPLIES</Description>
        <Total>138281</Total>
        <ProgramServices>138281</ProgramServices>
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      <OtherExpenses>
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        <Identifier>DESCRIPTION OF UNCERTAIN TAX POSITIONS UNDER FIN 48:</Identifier>
        <ReturnReference>PART X, LINE 2:</ReturnReference>
        <Explanation>THE ACADEMY IS A NONPROFIT ORGANIZATION THAT HAS BEEN GRANTED TAX EXEMPT STATUS UNDER SECTION 501 (C)3 OF THE INTERNAL REVENUE CODE. THE ACADEMY HAS, FROM TIME TO TIME, REPORTED UNRELATED BUSINESS INCOME FROM INVESTMENTS HELD IN THE ENDOWMENT FUND, WHEN UNRELATED BUSINESS INCOME HAS BEEN REPORTED BY THE INVESTMENT MANAGER ON SCHEDULE K-1. THE ACADEMY ALSO ANNUALLY REVIEWS THE ITEMS AVAILABLE FOR SALE IN THE ACADEMY'S GIFT SHOP. ALTHOUGH THE PURPOSE OF EACH SALE IS TO FURTHER THE MUSEUMS EXEMPT PURPOSE, THUS EXCLUDING IT FROM UNRELATED BUSINESS INCOME, THE ACADEMY IDENTIFIES CERTAIN ITEMS (I.E. FOODSTUFFS AND WATER) AS UNRELATED BUSINESS INCOME ITEMS.</Explanation>
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        <Explanation>PART III, LINE 1A: 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 ARE CATALOGED, PRESERVED AND CARED FOR, AND ACTIVITIES VERIFYING THEIR EXISTENCE AND ASSESSING THEIR CONDITION ARE PERFORMED CONTINUOUSLY.</Explanation>
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        <ReturnReference>SCHEDULE F, PART I, LINE 3:</ReturnReference>
        <Explanation>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>
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        <NamePerson>SARA HERTZ</NamePerson>
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        <ReturnReference>BUSINESS TRANSACTIONS INVOLVING INTERESTED PERSONS</ReturnReference>
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        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
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        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
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        <MethodOfDeterminingRevenues>SELLING PRICE</MethodOfDeterminingRevenues>
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        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>7</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
      </FoodInventory>
      <HistoricalArtifacts>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>3</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
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      <ScientificSpecimens>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>4</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
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        <NumberOfContributions>2</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
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        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>GIFT CERTIFICATES</Description>
        <NumberOfContributions>4</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
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      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>COMPUTER EQUIPMENT</Description>
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        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
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      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>SUPPLIES, ART</Description>
        <NumberOfContributions>2</NumberOfContributions>
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        <MethodOfDeterminingRevenues>N/A</MethodOfDeterminingRevenues>
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      <ReviewProcessUnusualNCGifts>1</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>0</ThirdPartiesUsed>
      <Form990ScheduleMPartII>
        <Identifier>METHOD FOR DETERMINING NUMBER OF CONTRIBUTIONS:</Identifier>
        <ReturnReference>PART I, COLUMN (B):</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 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 IS THE SOLE VOTING MEMBER AND 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 MEMBER.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>THE DRAFT 990 IS PREPARED INTERNALLY AND REVIEWED BY THE ACADEMY'S AUDIT COMMITTEE. ACTING ON BEHALF OF THE BOARD, THE AUDIT COMMITTEE WILL APPROVE THE FINAL VERSION AND DIRECT THE RETURN TO BE FILED. A COPY OF THE FINAL VERSION IS DISTRIBUTED TO ALL MEMBERS OF THE BOARD OF TRUSTEES PRIOR TO FILING 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 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 THE EXPERIENCE AND YEARS OF SERVICE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>THROUGH THE ACADEMY'S 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 9:</ReturnReference>
        <Explanation>FROZEN DEFINED BENEFIT PENSION PLAN EXPENSES 774,100.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART XII, LINE 2C:</ReturnReference>
        <Explanation>THE ACADEMY'S AUDIT COMMITTEE REVIEWS AND APPROVES THE AUDIT PLAN AND AUDITED FINANCIAL STATEMENTS FOR THE ACADEMY OF NATURAL SCIENCES. THE TASK OF SELECTING THE INDEPENDENT AUDITOR IS THE RESPONSIBILITY OF DREXEL UNIVERSITY'S AUDIT COMMITTEE. THE DREXEL COMMITTEE IS RESPONSIBLE FOR SELECTING THE INDEPENDENT AUDITORS FOR THE ENTIRE UNIVERSITY SYSTEM, WHICH INCLUDES ALL SUBSIDIARIES.</Explanation>
      </GeneralExplanation>
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          <BusinessNameLine1>DREXEL UNIVERSITY</BusinessNameLine1>
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          <AddressLine1>3141 CHESTNUT STREET</AddressLine1>
          <City>PHILADELPHIA</City>
          <State>PA</State>
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        <PublicCharityStatus>LINE 2</PublicCharityStatus>
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