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        <Identifier>Schedule D, Part V, Line 4</Identifier>
        <ReturnReference>Description of Intended Use of Endowment Funds</ReturnReference>
        <Explanation>Fund the activities of the National Academy of Engineering such as programs that address relevant issues in the Engineering field and for the Draper and Gordon Prizes.</Explanation>
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        <ReturnReference>reconciliation of revenue</ReturnReference>
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      <Form990ScheduleDPartXIV>
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        <ReturnReference>Reconciliation of Expenses</ReturnReference>
        <Explanation>Cost of Goods Sold $3,788</Explanation>
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        <Identifier>Part X, Line 2</Identifier>
        <ReturnReference>FIN 48</ReturnReference>
        <Explanation>Effective in 2009, the Fund adopted new guidance that creates a single model to address uncertainty in tax positions and clarified the accounting for income taxes by prescribing the minimum recognition threshold a tax position is required to meet before being recognized in its financial statements. Under the requirements of this guidance, organizations could now be required to record an obligation as the result of tax positions they have historically taken on various tax exposure items. The impact of the adoption of this guidance did not have a material effect on the financial statements of the Fund. Prior to the adoption of this guidance, the determination of when to record a liability for a tax exposure was based on whether a liability was considered probable and reasonably estimable in accordance with guidance concerning recording of contingencies.</Explanation>
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        <AddressUS>
          <AddressLine1>2101 Constitution Ave NW</AddressLine1>
          <City>Washington</City>
          <State>DC</State>
          <ZIPCode>20418</ZIPCode>
        </AddressUS>
        <EINOfRecipient>530196932</EINOfRecipient>
        <IRCSection>501 (c)(3)</IRCSection>
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        <PurposeOfGrant>Program Expense Reimbursement</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
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          <BusinessNameLine1>MIT</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>600 MEMORIAL DRIVE</AddressLine1>
          <City>CAMBRIGE</City>
          <State>MA</State>
          <ZIPCode>02139</ZIPCode>
        </AddressUS>
        <EINOfRecipient>042103594</EINOfRecipient>
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        <PurposeOfGrant>Gordon Awards</PurposeOfGrant>
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      <RecipientTable>
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          <BusinessNameLine1>Institute for Systems Biology</BusinessNameLine1>
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        <AddressUS>
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          <City>Seattle</City>
          <State>WA</State>
          <ZIPCode>98103</ZIPCode>
        </AddressUS>
        <EINOfRecipient>912003595</EINOfRecipient>
        <IRCSection>501(c)(3)</IRCSection>
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        <PurposeOfGrant>Russ Awards</PurposeOfGrant>
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        <TypeOfGrant>DRAPER AWARDS</TypeOfGrant>
        <NumberOfRecipients>2</NumberOfRecipients>
        <AmountOfCashGrant>500000</AmountOfCashGrant>
        <AmountOfNonCashAssistance>24100</AmountOfNonCashAssistance>
        <MethodOfValuation>Appraisal</MethodOfValuation>
        <DescriptionOfNonCashAssistance>Gold Medal</DescriptionOfNonCashAssistance>
      </Form990ScheduleIPartIII>
      <Form990ScheduleIPartIII>
        <TypeOfGrant>GORDON AWARDS</TypeOfGrant>
        <NumberOfRecipients>1</NumberOfRecipients>
        <AmountOfCashGrant>250000</AmountOfCashGrant>
        <AmountOfNonCashAssistance>11322</AmountOfNonCashAssistance>
        <MethodOfValuation>Appraisal</MethodOfValuation>
        <DescriptionOfNonCashAssistance>Gold Medal</DescriptionOfNonCashAssistance>
      </Form990ScheduleIPartIII>
      <Form990ScheduleIPartIII>
        <TypeOfGrant>RUSS AWARDS</TypeOfGrant>
        <NumberOfRecipients>1</NumberOfRecipients>
        <AmountOfNonCashAssistance>14090</AmountOfNonCashAssistance>
        <MethodOfValuation>APPRAISAL</MethodOfValuation>
        <DescriptionOfNonCashAssistance>GOLD MEDAL</DescriptionOfNonCashAssistance>
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      <Form990ScheduleIPartIV>
        <Identifier>Schedule I, Part 1, Line 2</Identifier>
        <ReturnReference>Procedures for monitoring the use of grant funds</ReturnReference>
        <Explanation>The grant to the NAS is for reimbursement of NAE expenses. Expenses are monitored and reviewed on a monthly basis as well as being reconciled by both corporations at the end of the year. Additionally both corporations have exteral auditors and the NAS has internal and DCAA auditors on the premise during the year. All other grants are for awards given for various engineering achievements. Each award has its own criteria, nominating form (which is on the website), and selection committee. The Committee meets several times and reviews the nominations and makes the final decision.</Explanation>
      </Form990ScheduleIPartIV>
    </IRS990ScheduleI>
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      <SupplementalNonqualRetirePlan>false</SupplementalNonqualRetirePlan>
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      <CompBasedOnRevenueOfFilingOrg>false</CompBasedOnRevenueOfFilingOrg>
      <CompBasedOnRevenueRelatedOrgs>false</CompBasedOnRevenueRelatedOrgs>
      <CompBasedNetEarningsFilingOrg>false</CompBasedNetEarningsFilingOrg>
      <CompBasedNetEarningsRelateOrgs>false</CompBasedNetEarningsRelateOrgs>
      <AnyNonFixedPayments>false</AnyNonFixedPayments>
      <InitialContractException>false</InitialContractException>
      <Form990ScheduleJPartII>
        <NamePerson>CHARLES M VEST</NamePerson>
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        <TotalCompensationRelatedOrgs>798889</TotalCompensationRelatedOrgs>
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    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="IRS990ScheduleM">
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      <ArtHistoricalTreasures />
      <ArtFractionalInterest />
      <BooksAndPublications />
      <ClothingAndHouseholdGoods />
      <CarsAndOtherVehicles />
      <BoatsAndPlanes />
      <IntellectualProperty />
      <SecuritiesPubliclyTraded>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>584</NumberOfContributions>
        <NoncashContribsRptdF990>13079</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>cost</MethodOfDeterminingRevenues>
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      <SecuritiesMiscellaneous />
      <QualifiedContribHistStruct />
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      <RealEstateResidential />
      <RealEstateCommercial />
      <RealEstateOther />
      <Collectibles />
      <FoodInventory />
      <DrugsAndMedicalSupplies />
      <Taxidermy />
      <HistoricalArtifacts />
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      <ArchaeologicalArtifacts />
      <AnyPropertyThatMustBeHeld>false</AnyPropertyThatMustBeHeld>
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    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section A, Line 11A</Identifier>
        <ReturnReference>organization's form 990 review process</ReturnReference>
        <Explanation>The director of finance, President and legal counsel review a draft Form 990 and discuss questions with their external accountants prior to finalizing the return. The Form 990 is provided to the Board of Trustees before filing.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section C, Line 19</Identifier>
        <ReturnReference>Documents Available for Public Inspection</ReturnReference>
        <Explanation>An annual report containing the financial statements is posted to the NAE website and is mailed to the NAE membership. The development office uses it when fundraising. The financial statements and governing documents are available to the public upon request.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, Lines 15a and 15b</Identifier>
        <ReturnReference>Determination of Compensation</ReturnReference>
        <Explanation>NAEF does not have employees. Therefore, these two questions are not applicable.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, Line 12c</Identifier>
        <ReturnReference>Conflict of Interest Policy</ReturnReference>
        <Explanation>Each year officers and trustees are required to complete a conflict of interest form and participate in a board discussion of the NAEF conflict of interest policy and any potential conflicts of individual officers and trustees. If there was ever a conflict the board member would recuse himself.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Part XI, Line 5</Identifier>
        <Explanation>Unrealized Losses on Investment -$1,962,825.</Explanation>
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    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>National Academy of Sciences</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>2101 CONSTITUTION AVENUE NW</AddressLine1>
          <City>Washington</City>
          <State>DC</State>
          <ZIPCode>20418</ZIPCode>
        </AddressUS>
        <EIN>530196932</EIN>
        <PrimaryActivities>science</PrimaryActivities>
        <LegalDomicileState>DC</LegalDomicileState>
        <ExemptCodeSection>501 (c) 3</ExemptCodeSection>
        <PublicCharityStatus>7</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>NA</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>false</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>The National Academies Corporation</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>100 Academy Drive</AddressLine1>
          <City>Irvine</City>
          <State>CA</State>
          <ZIPCode>92617</ZIPCode>
        </AddressUS>
        <EIN>942994279</EIN>
        <PrimaryActivities>conf center</PrimaryActivities>
        <LegalDomicileState>CA</LegalDomicileState>
        <ExemptCodeSection>501 (c) 3</ExemptCodeSection>
        <PublicCharityStatus>11A-I</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>NA</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>false</ControlledOrg>
      </Form990ScheduleRPartII>
      <ReceiptOfIntAnnRentsRoyalties>false</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>true</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>false</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>false</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>false</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>false</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>false</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>false</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>false</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>false</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>false</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>true</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>true</SharingOfFacilities>
      <SharingOfPaidEmployees>true</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>true</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>false</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>false</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>false</OtherTransferFromOtherOrg>
    </IRS990ScheduleR>
  </ReturnData>
</Return>