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      <Form990PartVIISectionAGrp>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
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          <BusinessName>
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          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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        <ContractorAddress>
          <USAddress>
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        </ContractorAddress>
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      <ContractorCompensationGrp>
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          <BusinessName>
            <BusinessNameLine1Txt>RAYTHEON COMPANY</BusinessNameLine1Txt>
          </BusinessName>
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        <ContractorAddress>
          <USAddress>
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          </USAddress>
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      <ContractorCompensationGrp>
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          <BusinessName>
            <BusinessNameLine1Txt>MANDIANT INC</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>11951 FREEDOM DRIVE</AddressLine1Txt>
            <CityNm>RESTON</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>20190</ZIPCd>
          </USAddress>
        </ContractorAddress>
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      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>FILAMENT INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>19 OAKWOOD DRIVE</AddressLine1Txt>
            <CityNm>LLOYD HARBOR</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>11743</ZIPCd>
          </USAddress>
        </ContractorAddress>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>11686917</TotalRevenueColumnAmt>
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      </ProgramServiceRevenueGrp>
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      <InvestmentIncomeGrp>
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        <ExclusionAmt>12613</ExclusionAmt>
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      <TotalRevenueGrp>
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        <RelatedOrExemptFuncIncomeAmt>11686917</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>12613</ExclusionAmt>
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      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <CompCurrentOfcrDirectorsGrp>
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      <OtherSalariesAndWagesGrp>
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      <PensionPlanContributionsGrp>
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      <PayrollTaxesGrp>
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      <FeesForServicesLegalGrp>
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      <FeesForServicesAccountingGrp>
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      <OfficeExpensesGrp>
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      <InformationTechnologyGrp>
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      <TravelGrp>
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      <ConferencesMeetingsGrp>
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      <OtherExpensesGrp>
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      <OtherExpensesGrp>
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      <TotalFunctionalExpensesGrp>
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      <PrepaidExpensesDefrdChargesGrp>
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      <TotLiabNetAssetsFundBalanceGrp>
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      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
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      <FSAuditedBasisGrp>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ARC IS ORGANIZED AS A DELAWARE NONPROFIT COPORATION AND HAS BEEN RECONGIZED BY THE IRS AS EXEMPT FROM FEDERAL INCOME TAXES UNDER IRS SECTION 501(A) AS AN ORGANIZATION DESCRIBED IN IRS SECTION 501(C)(6). ARC IS ANNUALLY REQUIRED TO FILE A RETURN OF ORGANIZATION EXEMPT FROM INCOME TAX (FORM 990) WITH THE IRS. IN ADDITIONAL, ARC IS SUBJECT TO INCOME TAX ON NET INCOME THAT IS DERIVED FROM BUSINESS ACTIVITIES THAT ARE UNRELATED TO THEIR EXEMPT PURPOSE. ARC DID NOT INCUR ANY UNRELATED BUSINESS INCOME TAX AND HAS NOT FILED AN EXEMPT ORGANIZATION BUSINESS INCOME TAX RETURN (FORM 990-T) WITH THE IRS.</ExplanationTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRUCE WALKER</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DAVID SULLIVAN</PersonNm>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>WAYNE GREENE</PersonNm>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CHRISTOPHER BUTTON</PersonNm>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>539818</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERSHIP IS OPEN TO COMPANIES THAT, ON THEIR OWN OR THROUGH AN AFFILIATE, (I) QUALIFY AS A CRITICAL INFRASTRUCTURE FIRM FOR WHICH A CYBERSECURITY INCIDENT COULD REASONABLY RESULT IN A CATASTROPHIC REGIONAL OR NATIONAL EFFECT ON PUBLIC HEALTH OR SAFETY, ECONCOMIC SECURITY OR NATIONAL SECURITY AS CONTEMPLATED BY SECTION 9 OF EXECUTIVE ORDER 13636, IMPROVING CRITICAL INFRASTRUCTURE CYBERSECURITY, DATED FEBUARY 12, 2013, (II) IS ACCEPTED FOR MEMBERSHIP BY THE CORPRATION AND EXECUTES A MEMBERSHIP PARTICIPATION AGREEMENT WITH THE CORPOPRATION; AND (III) PAY, ON A TIMELY BASIS, ANY APPLICABLE MEMBERSHIP DUES. ARC ALSO CAN ADMIT ADDITIONAL MEMBER COMPANIES IN CRITICAL INFRASTRUCTURE SECTORS, AND THE ARC BOARD OF DIRECTORS CAN ADD ADDITIONAL CRITICAL INFRASTRUCUCTURE SECTORS TO MEMBERSHIP ELIGIBLITY. AT THE OUTSET, ARC HAS MEMBER COMPANIES IN TWO U.S. GOVERNMENT-RECOGNIZED CRITICAL INFRASTRUCTURE SECTORS: FINANCIAL SERVICES AND ENERGY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBER COMPANIES OF ARC, IN ADDITIONAL TO PARTICIPATING IN ARC'S CYBERSEUCIRTY ACTIVITIES IN SUPPORT OF THIS NATION'S CRITICAL INFRASTRUCTURE SECTORS AND IN COORDINATION WITH U.S. GOVERNMENT AGENCIES, ARE ALSO ELIGIBLE TO ELECT MEMBERS OF ARC'S BOARD OF DIRECTORS, AS PROVIDED IN THE BYLAWS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS GIVEN TO THE DIRECTOR OF FINANCE, COO AND CEO FOR REVIEW OF ACCURACY OF DATA PRESENTED ON THE FORM BEFORE FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ARC'S CONFLICT OF INTEREST POLICY APPLIES TO EMPLOYEES AND BOARD MEMBERS WITH SIGNFICANT DECISION-MAKING AUTHORITY. THIS POLICY ALSO SEEKS TO ENSURE THE COMPANY'S HONESTY AND INTEGRITY, AND THEREFORE ITS REPUTATION, ARE NOT COMPROMISED. ALL EMPLOYEES MUST AVOID ANY RELATIONSHIPS OR ACTIVITIES THAT MIGHT IMPAIR, OR EVENT APPEAR TO IMPAIR, THEIR ABILITY TO MAKE OBJECTIVE AND FAIR DECISIONS WHEN PERFORMING THEIR JOBS. IT IS EACH EMPLOYEE AND BOARD MEMBER'S RESPONSIBLITY TO REPORT ANY ACTUAL OR POTENTIAL CONFLICT OF INTEREST THAT MAY EXIST BETWEEN THEM (AND/OR THEIR IMMEDIATE FAMILY) AND THE COMPANY TO THEIR SUPERVISORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION UTILIZED AN INDEPENDENT CONSULTANT, QUATT ASSOCIATES, TO EVALUATE EXECUTIVE COMPENSATION WITHIN THE MAKRET FOR COMPARABLE SIZED NOT FOR PROFITS. ALSO THE EXECUTIVE COMMITTEE OF THE BOARD REVIEWS AND APPROVES EXECUTIVE COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ARC DOES NOT MAKE FINANCIAL STATEMENTS, GOVERNING DOCUMENTS AND ITS CONFLICT-OF-INTEREST POLICY AVAILABLE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONTRACTED SERVICES 1,158,904. SPECIAL PROJECTS 30,595. MARKETING AND DESIGN 119,972. HUMAN RESOURCES 127,240.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
