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      <RevenueNotRptdOnFinStmt>0</RevenueNotRptdOnFinStmt>
      <TotalRevenuePerForm990>1196146</TotalRevenuePerForm990>
      <TotExpensesEtcAuditedFinclStmt>1094091</TotExpensesEtcAuditedFinclStmt>
      <DonatedServicesUseOfFacilities>13600</DonatedServicesUseOfFacilities>
      <ExpensesNotRptdF990>13600</ExpensesNotRptdF990>
      <ExpensesSubtotal>1080491</ExpensesSubtotal>
      <ExpensesNotRptdOnFinStmt>0</ExpensesNotRptdOnFinStmt>
      <TotalExpensesPerForm990>1080491</TotalExpensesPerForm990>
      <Form990ScheduleDPartXIII>
        <Identifier>DESCRIPTION OF UNCERTAIN TAX POSITIONS UNDER FIN 48:</Identifier>
        <ReturnReference>PART X, LINE 2:</ReturnReference>
        <Explanation>THE FOUNDATION IS EXEMPT FROM FEDERAL INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND THE RELATED CALIFORNIA CODE SECTIONS. CONTRIBUTIONS TO THE FOUNDATION QUALIFY FOR THE CHARITABLE CONTRIBUTION DEDUCTION AND THE FOUNDATION IS NOT CLASSIFIED AS A PRIVATE FOUNDATION. THE FOUNDATION BELIEVES THAT IT HAS APPROPRIATE SUPPORT FOR ANY TAX POSITIONS TAKEN, AND AS SUCH, DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO THE FINANCIAL STATEMENTS. THE FOUNDATION IS NOT SUBJECT TO U.S. FEDERAL OR STATE AND LOCAL INCOME TAX AUTHORITIES FOR YEARS BEFORE 2011.</Explanation>
      </Form990ScheduleDPartXIII>
      <Form990ScheduleDPartXIII>
        <Explanation>VARIOUS SUPPORTERS HAVE PROVIDED IN EXCESS OF $950,000 OF IN KIND SERVICES AND FACILITIES TO FURTHER THE PROGRAM.</Explanation>
      </Form990ScheduleDPartXIII>
    </IRS990ScheduleD>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTraded>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>25160</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FAIR MARKET VALUE</MethodOfDeterminingRevenues>
      </SecuritiesPubliclyTraded>
      <HistoricalArtifacts>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>39400</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FAIR MARKET VALUE</MethodOfDeterminingRevenues>
      </HistoricalArtifacts>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>FLIGHTS</Description>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>13600</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FAIR MARKET VALUE</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>SOFTWARE</Description>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>6321</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FAIR MARKET VALUE</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <AnyPropertyThatMustBeHeld>0</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>0</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>0</ThirdPartiesUsed>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <Identifier>ORGANIZATION MISSION STATEMENT</Identifier>
        <ReturnReference>FORM 990, PART III, LINE 1</ReturnReference>
        <Explanation>B612 IS BUILDING A DEEP-SPACE TELESCOPE THAT WILL REVEAL APPROXIMATELY ONE MILLION UNTRACKED NEAR-EARTH ASTEROIDS. THE SENTINEL MISSION, LED BY A WORLD-CLASS TEAM OF ASTROPHYSICISTS AND AEROSPACE ENGINEERS, WILL ALLOW US TO MAP THE TRAJECTORIES OF ASTEROIDS THAT MAY POSE A FUTURE DANGER TO HUMANITY-GIVING US THE TIME WE NEED TO DEFLECT THEM. FOR THE FIRST TIME IN HISTORY, WE HAVE THE PEOPLE, TECHNOLOGY, AND EXPERIENCE NEEDED TO CARRY OUT THIS INCREDIBLE MISSION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>990 FORM IS PLACED ON SECURED WEB SITE OR SENT BY EMAIL FOR GOVERNING BODY TO REVIEW AND COMMENT. REVIEW IS VERIFIED BY EMAIL.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>ANNUALLY EACH BOARD MEMBER OF THE B612 FOUNDATION AND SUPPORTED/SUPPORTING ORGANIZATIONS COMPLETES "FORM 990 QUESTIONNAIRE" THAT REPORTS OBLIGATIONS AND DOCUMENTS DISCLOSURES THAT ARE NECESSARY TO COMPLY WITH FORM 990 REQUIREMENTS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>THE BOARD OF DIRECTORS REVIEWS COMPARABILITY DATA AND THE BOARD OF DIRECTORS APPROVAL IS REQUIRED FOR THE CEO/EXECUTIVE DIRECTOR.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>THE AUDITED FINANCIAL STATEMENTS, CONFLICT OF INTEREST POLICY AND GOVERNING/ORGANIZING DOCUMENTS ARE NOT AVAILABLE TO THE PUBLIC.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>