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      <Form990PartVIISectionAGrp>
        <PersonNm>NEVILLE PETRIE</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>STEPHANIE RATCLIFFE</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>TIM RITCHIE</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SILVIA SINGER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>BARRY VAN DEMAN</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>GUY LABINE</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ALEXANDER ZWISSLER</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ANTHONY ROCK</PersonNm>
        <TitleTxt>PRESIDENT AND CEO</TitleTxt>
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        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>LEAH SECUNDA</PersonNm>
        <TitleTxt>CONTROLLER</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21197</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>WALTER STAVELOZ</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES BELL</PersonNm>
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        <ReportableCompFromOrgAmt>104558</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>12040</OtherCompensationAmt>
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      <TotalReportableCompFromOrgAmt>639880</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>66675</TotalOtherCompensationAmt>
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      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>VOLUME SERVICES AMERICA</PersonNm>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>500 S SALISBURY STREET</AddressLine1Txt>
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            <StateAbbreviationCd>NC</StateAbbreviationCd>
            <ZIPCd>27601</ZIPCd>
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      <TotalContributionsAmt>2699042</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
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        <BusinessCd>900099</BusinessCd>
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        <Desc>REGISTRATION FEES</Desc>
        <BusinessCd>900099</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>724992</RelatedOrExemptFuncIncomeAmt>
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        <BusinessCd>900099</BusinessCd>
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        <ExclusionAmt>269795</ExclusionAmt>
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      <ProgramServiceRevenueGrp>
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        <RelatedOrExemptFuncIncomeAmt>78190</RelatedOrExemptFuncIncomeAmt>
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        <RelatedOrExemptFuncIncomeAmt>8500</RelatedOrExemptFuncIncomeAmt>
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        <ExclusionAmt>115870</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
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        <SecuritiesAmt>73554</SecuritiesAmt>
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      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>73554</TotalRevenueColumnAmt>
        <ExclusionAmt>73554</ExclusionAmt>
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        <BusinessCd>541800</BusinessCd>
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        <ExclusionAmt>200</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1510</TotalRevenueColumnAmt>
        <ExclusionAmt>1510</ExclusionAmt>
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      <OtherRevenueTotalAmt>88188</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
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        <UnrelatedBusinessRevenueAmt>86478</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>460929</ExclusionAmt>
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      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticOrgsGrp>
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        <ProgramServicesAmt>5000</ProgramServicesAmt>
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      <ForeignGrantsGrp>
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        <ProgramServicesAmt>30000</ProgramServicesAmt>
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      <CompCurrentOfcrDirectorsGrp>
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        <ProgramServicesAmt>35808</ProgramServicesAmt>
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        <ProgramServicesAmt>962159</ProgramServicesAmt>
        <ManagementAndGeneralAmt>231163</ManagementAndGeneralAmt>
        <FundraisingAmt>61043</FundraisingAmt>
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        <ProgramServicesAmt>45956</ProgramServicesAmt>
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        <FundraisingAmt>4366</FundraisingAmt>
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        <ManagementAndGeneralAmt>1085</ManagementAndGeneralAmt>
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      <FeesForServicesAccountingGrp>
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        <ManagementAndGeneralAmt>48533</ManagementAndGeneralAmt>
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      <FeesForSrvcInvstMgmntFeesGrp>
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        <ManagementAndGeneralAmt>32915</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>3196</ProgramServicesAmt>
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        <ProgramServicesAmt>135120</ProgramServicesAmt>
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        <ProgramServicesAmt>202</ProgramServicesAmt>
        <ManagementAndGeneralAmt>347817</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>155662</ProgramServicesAmt>
        <ManagementAndGeneralAmt>36149</ManagementAndGeneralAmt>
        <FundraisingAmt>4532</FundraisingAmt>
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      <ConferencesMeetingsGrp>
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        <ProgramServicesAmt>370978</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>6433</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>79205</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>25165</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>3636</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>26857</ProgramServicesAmt>
        <ManagementAndGeneralAmt>54329</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>70305</ProgramServicesAmt>
        <ManagementAndGeneralAmt>127</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>16036</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1489</ManagementAndGeneralAmt>
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      <AllOtherExpensesGrp>
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        <ProgramServicesAmt>784012</ProgramServicesAmt>
        <ManagementAndGeneralAmt>-770226</ManagementAndGeneralAmt>
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      <TotalFunctionalExpensesGrp>
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        <ProgramServicesAmt>3357782</ProgramServicesAmt>
        <ManagementAndGeneralAmt>752680</ManagementAndGeneralAmt>
        <FundraisingAmt>157110</FundraisingAmt>
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        <EOYAmt>179213</EOYAmt>
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        <EOYAmt>975951</EOYAmt>
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        <EOYAmt>126579</EOYAmt>
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        <EOYAmt>389159</EOYAmt>
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        <EOYAmt>58118</EOYAmt>
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        <EOYAmt>491235</EOYAmt>
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        <EOYAmt>3562733</EOYAmt>
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        <EOYAmt>2000</EOYAmt>
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        <EOYAmt>5784988</EOYAmt>
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        <EOYAmt>748345</EOYAmt>
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        <EOYAmt>1778755</EOYAmt>
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        <EOYAmt>48304</EOYAmt>
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        <EOYAmt>4006233</EOYAmt>
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        <EOYAmt>5784988</EOYAmt>
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      <FederalGrantAuditPerformedInd>1</FederalGrantAuditPerformedInd>
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        <CurrentTaxYearMinus3YearsAmt>3844944</CurrentTaxYearMinus3YearsAmt>
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        <CurrentTaxYearMinus1YearAmt>114159</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>115870</CurrentTaxYearAmt>
        <TotalAmt>526818</TotalAmt>
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        <CurrentTaxYearMinus4YearsAmt>13501</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>9640</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>20537</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>18601</CurrentTaxYearMinus1YearAmt>
        <TotalAmt>62279</TotalAmt>
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        <CurrentTaxYearMinus4YearsAmt>500</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7064</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>21483</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>804</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1510</CurrentTaxYearAmt>
        <TotalAmt>31361</TotalAmt>
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        <CurrentTaxYearMinus4YearsAmt>4808245</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>5964447</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5487855</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4663461</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>4836421</CurrentTaxYearAmt>
        <TotalAmt>25760429</TotalAmt>
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      <PublicSupportPY509Pct>0.97670</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.02050</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.01970</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART III, LINE 12, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>MISCELLANEOUS INCOME - 2010 AMOUNT: $ 500. 2011 AMOUNT: $ 7,064. 2012 AMOUNT: $ 21,483. 2013 AMOUNT: $ 804. 2014 AMOUNT: $ 1,510.</ExplanationTxt>
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        <ContributorNum>RESTRICTED</ContributorNum>
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        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
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        <FilingOrganizationsTotalAmt>17547</FilingOrganizationsTotalAmt>
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        <FilingOrganizationsTotalAmt>17547</FilingOrganizationsTotalAmt>
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      <OtherExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>4250025</FilingOrganizationsTotalAmt>
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      <TotalExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>4267572</FilingOrganizationsTotalAmt>
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      <LobbyingNontaxableAmountGrp>
        <FilingOrganizationsTotalAmt>363379</FilingOrganizationsTotalAmt>
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      <GrassrootsNontaxableGrp>
        <FilingOrganizationsTotalAmt>90845</FilingOrganizationsTotalAmt>
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      <TotLbbyngGrassrootMnsNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
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      <TotLbbyExpendMnsLbbyngNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
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      <AvgLobbyingNontaxableAmountGrp>
        <CurrentYearMinus3Amt>449258</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>421947</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>406508</CurrentYearMinus1Amt>
        <CurrentYearAmt>363379</CurrentYearAmt>
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      <LobbyingCeilingAmt>2461638</LobbyingCeilingAmt>
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        <CurrentYearMinus3Amt>18150</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>7208</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>16668</CurrentYearMinus1Amt>
        <CurrentYearAmt>17547</CurrentYearAmt>
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        <CurrentYearMinus3Amt>112315</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>105487</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>101627</CurrentYearMinus1Amt>
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        <BeginningYearBalanceAmt>364645</BeginningYearBalanceAmt>
        <ContributionsAmt>25</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>25296</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>389966</EndYearBalanceAmt>
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        <BeginningYearBalanceAmt>319254</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>48391</InvestmentEarningsOrLossesAmt>
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        <EndYearBalanceAmt>364645</EndYearBalanceAmt>
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        <OtherExpendituresAmt>2500</OtherExpendituresAmt>
        <EndYearBalanceAmt>319254</EndYearBalanceAmt>
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        <BeginningYearBalanceAmt>58915</BeginningYearBalanceAmt>
        <ContributionsAmt>215913</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>14323</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>289151</EndYearBalanceAmt>
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        <ContributionsAmt>25</ContributionsAmt>
        <EndYearBalanceAmt>58915</EndYearBalanceAmt>
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      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>536403</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>95927</DepreciationAmt>
        <BookValueAmt>440476</BookValueAmt>
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      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>493626</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>442867</DepreciationAmt>
        <BookValueAmt>50759</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>491235</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>CAPITAL LEASE OBLIGATION</Desc>
        <Amt>34364</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED RENT AND LEASE INCENTIVES</Desc>
        <Amt>713981</Amt>
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      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>4987741</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-28712</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>20000</DonatedServicesAndUseFcltsAmt>
      <RevenueNotReportedAmt>-8712</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>4996453</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>4996453</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>4287572</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>20000</DonatedServicesUseFcltsAmt>
      <ExpensesNotReportedAmt>20000</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>4267572</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>4267572</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTC'S ENDOWMENTS CONSIST OF A BOARD-RESTRICTED QUASI-ENDOWMENT FUND AND A DONOR-RESTRICTED ENDOWMENT FUND. THE PURPOSE OF THE BOARD-RESTRICTED QUASI-ENDOWMENT FUND IS TO SUPPORT ASTC'S GENERAL OPERATIONS, PROGRAMS AND SERVICES. THE PURPOSES OF THE DONOR-RESTRICTED ENDOWMENT FUNDS ARE TO INCREASE INTERNATIONAL MEMBERS' PARTICIPATION IN ASTC ACTIVITIES AND TO ADVANCE EXTRAORDINARY LEADERSHIP IN THE SCIENCE CENTER AND MUSEUM FIELD.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTC PERFORMED AN EVALUATION OF UNCERTAIN TAX POSITIONS FOR THE YEAR ENDED MARCH 31, 2015, AND DETERMINED THAT THERE WERE NO MATTERS THAT WOULD REQUIRE RECOGNITION IN THE FINANCIAL STATEMENTS OR THAT MAY HAVE ANY EFFECT ON ITS TAX-EXEMPT STATUS.</ExplanationTxt>
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      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>EXECUTE BIOTECH PROGRAM</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>12693</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTS TO RECIPIENTS LOCATED IN REGION</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>30000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
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      <ContinutationTotalEmployeeCnt>0</ContinutationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>42693</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>42693</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <PurposeOfGrantTxt>TO EXECUTE WORLD BIOGEN TOUR</PurposeOfGrantTxt>
        <CashGrantAmt>15000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <PurposeOfGrantTxt>TO EXECUTE WORLD BIOGEN TOUR</PurposeOfGrantTxt>
        <CashGrantAmt>15000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
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      <GrantsToOrgOutsideUSGrp>
        <CashGrantAmt>0</CashGrantAmt>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>2</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE IS A FORMAL CONTRACT WITH STATEMENT OF WORK SIGNED BETWEEN ASTC AND THE FOREIGN ENTITY. PERIODIC TELEPHONE CONFERENCES ARE HELD BETWEEN ASTC AND THE FOREIGN PARTICIPANTS WHERE THEY DESCRIBE THEIR ACTIVITIES RELATED TO THE GRANT. THE ENTITY MUST PRESENT BOTH AN INVOICE AND PROGRAMMATIC REPORT DESCRIBING THEIR ACTIVITIES PRIOR TO RECEIVING PAYMENT. IN ADDITION THERE IS A DELIVERABLE WHICH HAS BEEN AGREED UPON AND WHICH MUST BE COMPLETED BEFORE A SPECIFIC DEADLINE.</ExplanationTxt>
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      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
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      <AnyNonFixedPaymentsInd>1</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
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        <PersonNm>ANTHONY ROCK</PersonNm>
        <TitleTxt>PRESIDENT AND CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>263484</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>20800</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>23000</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>898</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>308182</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>FOR THE YEAR ENDED MARCH 31, 2015, ASTC AWARDED A NON-FIXED BONUS PAYMENT TO ANTHONY ROCK, THE PRESIDENT AND CEO, IN THE AMOUNT OF $20,800. THE PAYMENT WAS DETERMINED BASED ON AN APPRAISAL OF HIS PERFORMANCE.</ExplanationTxt>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTC IS A PROFESSIONAL MEMBERSHIP ASSOCIATION WITH MORE THAN 540 MEMBERS IN 40 COUNTRIES. ASTC HAS THREE CLASSES OF MEMBERS WHICH ARE: SCIENCE CENTER AND MUSEUM MEMBERS, SUSTAINING MEMBERS, AND GOVERNING MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH MEMBER RESPRESNTATIVE OF A GOVERNING MEMBER IS ENTITLED TO PARTICIPATE IN MEETINGS AND CAST ONE VOTE ON BEHALF OF ITS GOVERNING MEMBERS ON CORPORATION MATTERS BROUGHT TO THE MEMBERSHIP FOR A VOTE. ASTC'S BOARD OF DIRECTORS ARE ELECTED BY MAIL-IN BALLOT IN ADVANCE OF THE REGULAR ANNUAL MEETING BY A MAJORITY VOTE OF THE GOVERNING MEMBER REPRESENTATIVES. NOMINEES FOR THE POSITION OF DIRECTOR ARE SELECTED FROM THE GOVERNING MEMBER REPRESENTATIVES BY THE NOMINATING COMMITTEE OR BY WRITTEN DESIGNATION OF ANY FIVE GOVERNING MEMBER REPRESENTATIVES. MEMBER REPRESENTATIVES OF SCIENCE CENTER AND MUSEUM MEMBERS AND SUSTAINING MEMBERS ARE NOT ENTITLED TO VOTE ON CORPORATION MATTERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>A DRAFT OF THE FEDERAL FORM 990, PREPARED BY THE AUDIT FIRM, IS SUBMITTED TO THE ASTC STAFF, WHO FORWARDS IT VIA E-MAIL TO THE FINANCE &amp; AUDIT COMMITTEE MEMBERS FOR REVIEW. THE COMMITTEES THEN CONDUCT A CONFERENCE CALL TO DISCUSS THE FEDERAL FORM 990 AND ITS VARIOUS SECTIONS. STAFF PREPARES A FORM DOCUMENT WITH SPECIFICS OF THE COMMITTEE'S REVIEW, INCLUDING AGREEMENT WITH THE INFORMATION PRESENTED, AND FORWARDS IT TO COMMITTEE MEMBERS FOR THEIR ELECTRONIC SIGNATURE. THE DRAFT FORM 990 ACCOMPANIED BY REVIEW COMMENTS IS THEN E-MAILED TO BOARD MEMBERS FOR THEIR REVIEW AND APPROVAL. ONCE ALL COMMENTS HAVE BEEN RECEIVED AND REVIEWED AND ANY NECESSARY CHANGES HAVE BEEN MADE BY THE AUDIT FIRM, ASTC APPROVES THE FINAL VERSION OF THE FEDERAL FORM 990 TO BE E-FILED WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CONFLICT OF INTEREST POLICY IS AVAILABLE TO EACH BOARD MEMBER IN THE BOARD GUIDEBOOK THAT EACH BOARD MEMBER RECEIVES ROUTINELY. THE CONFLICT OF INTEREST POLICY IS PRESENTED ANNUALLY AT A BOARD MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>PRESIDENT &amp; CEO: THE PERSONNEL COMMITTEE OF THE BOARD OF DIRECTORS CONDUCTS AN ANNUAL REVIEW OF THE PRESIDENT &amp; CEO'S ATTAINMENT OF MUTUALLY AGREED UPON PERFORMANCE OBJECTIVES. THE PERSONNEL COMMITTEE DETERMINES WHETHER AND TO WHAT EXTENT THE PRESIDENT &amp; CEO HAS ACHIEVED THE PERFORMANCE OBJECTIVES SUBJECT TO REVIEW AND APPROVAL OF THE EXECUTIVE COMMITTEE. THE EXECUTIVE COMMITTEE DETERMINES ANY SALARY INCREASE BASED ON THE RESULTS OF THE PERFORMANCE EVALUATION. THE DIRECTOR OF ADMINISTRATION AND HUMAN RESOURCES PROVIDES THE EXECUTIVE COMMITTEE WITH COMPARABLE COMPENSATION INFORMATION. THE CHAIR DOCUMENTS IN WRITING THE RESULTS OF THE PERFORMANCE REVIEW AND THE BASIS FOR ANY DECISION TO INCREASE COMPENSATION. ALL OTHER EMPLOYEES: ALL EMPLOYEES RECEIVE A PERFORMANCE APPRAISAL BY THEIR SUPERVISOR ANNUALLY. THE REVIEW PROCESS INCLUDES SETTING PERFORMANCE OBJECTIVES FOR THE COMING YEAR AND ASSESSING ATTAINMENT OF PREVIOUS OBJECTIVES. A WRITTEN RECORD OF THE REVIEW IS SIGNED BY THE EMPLOYEE, THE SUPERVISOR, AND THE PRESIDENT &amp; CEO. ONE COPY IS GIVEN TO THE EMPLOYEE AND ONE IS KEPT IN ASTC'S PERSONNEL FILES. THE EMPLOYEE'S PERFORMANCE IS ONE BASIS FOR A MERIT INCREASE. AT LEAST BIANNUALLY, THE DIRECTOR OF ADMINISTRATION AND HUMAN RESOURCES REVIEWS COMPENSATION LEVELS FOR COMPARABLE POSITIONS AND MAKES ANY NEEDED ADJUSTMENTS IN SALARY RANGES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTC'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE NOT MADE AVAILABLE TO THE PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>HONORARIA: PROGRAM SERVICE EXPENSES 22,211. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 22,211. SUBCONTRACTS: PROGRAM SERVICE EXPENSES 95,930. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 95,930. CONSULTANTS-WRITERS FOR GRANTS AND DEVELOPMENT: PROGRAM SERVICE EXPENSES 13,228. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 39,395. TOTAL EXPENSES 52,623. CONSULTANTS-PUBLIC RELATIONS: PROGRAM SERVICE EXPENSES 4,143. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 4,143. CONSULTANTS-DIMENSIONS MAGAZINE: PROGRAM SERVICE EXPENSES 42,422. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 42,422. CONSULTANTS-RESEARCH: PROGRAM SERVICE EXPENSES 5,177. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 5,177. CONSULTANTS-PUBLICATIONS: PROGRAM SERVICE EXPENSES 748. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 748. CONSULTANTS-ANNUAL CONFERENCE: PROGRAM SERVICE EXPENSES 16,000. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 16,000. CONSULTANTS-OTHER: PROGRAM SERVICE EXPENSES 100,818. MANAGEMENT AND GENERAL EXPENSES 5,200. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 106,018. SEARCH FEES: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 5,833. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 5,833. PARTICIPANT SUPPORT: PROGRAM SERVICE EXPENSES 140,668. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 140,668.</ExplanationTxt>
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</Return>