<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2022v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-01-25T19:13:51-05:00</ReturnTs>
    <TaxPeriodEndDt>2023-05-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>431871840</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>BLOCK ADVISORS</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>3815 N MULFORD RD</AddressLine1Txt>
        <CityNm>ROCKFORD</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>61114</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2022-06-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>260542782</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>BLUE THUNDER BOOSTERS INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>BLUE</BusinessNameControlTxt>
      <PhoneNum>8152989641</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 202</AddressLine1Txt>
        <CityNm>BELVIDERE</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>61008</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>ED POWERS</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>8156217732</PhoneNum>
      <SignatureDt>2023-12-05</SignatureDt>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>ED</PersonFirstNm>
        <PersonLastNm>POWERS</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>false</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>STEPHEN M LINDSTROM CPA</PreparerPersonNm>
      <PTIN>P00687662</PTIN>
      <PhoneNum>8152821288</PhoneNum>
      <PreparationDt>2023-12-05</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2022</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc3">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.BLUETHUNDERBOOSTERS.COM</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc4">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>114814</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>2249</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>147</InvestmentIncomeAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="RetDoc2">112418</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>76689</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>35729</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>38125</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>737</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>670</FeesAndOtherPymtToIndCntrctAmt>
      <OtherExpensesTotalAmt>27735</OtherExpensesTotalAmt>
      <TotalExpensesAmt>29142</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>8983</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>94105</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>103088</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>82376</BOYAmt>
        <EOYAmt>95589</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>11729</BOYAmt>
        <EOYAmt>7499</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>94105</BOYAmt>
        <EOYAmt>103088</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>94105</BOYAmt>
        <EOYAmt>103088</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>TO SUPPORT AND ENCOURAGE PARTICIPATION IN SPORTS ACTIVITIES, TO EXPAND AND PERPETUATE INTEREST IN ALL SCHOOL SPONSORED SPORT ACTIVITIES, TO ENCOURAGE THE SPIRIT OF GOOD SPORTSMANSHIP AND FELLOWSHIP, AND TO CREATE A BOND BETWEEN SCHOOL PERSONNEL, PLAYERS AND PARENTS TO IMPROVE AND SUPPORT THE ATHLETIC PROGRAM.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PROVIDE MISCELLANEOUS SUPPLIES TO VARIOUS ATHELTIC TEAMS</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>737</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>24237</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>24237</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ED POWERS</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ALICIA PEREZ</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ROBIN WINTERS</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>TIM BECCASTRO</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CORINNE BOATMAN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>AMY BUCCI</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SARAH GAMBLE</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>HOLLY BROWN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CINDY ROWE</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JIM FRIESEMA</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JODY FLYNN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>IL</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>HOLLY BROWN</PersonNm>
        <USAddress>
          <AddressLine1Txt>464 STONE HOLLOW DRIVE</AddressLine1Txt>
          <CityNm>POPLAR GROVE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>61065</ZIPCd>
        </USAddress>
        <PhoneNum>8152989641</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc4">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>5548</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>3653</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2258</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3131</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2249</CurrentTaxYearAmt>
        <TotalAmt>16839</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>5548</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>3653</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2258</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3131</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2249</CurrentTaxYearAmt>
        <TotalAmt>16839</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>16839</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>58</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>668</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>665</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>372</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>147</CurrentTaxYearAmt>
        <TotalAmt>1910</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>18749</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>389080</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.89810</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.91760</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleG documentId="RetDoc2">
      <FundraisingEventInformationGrp>
        <Event1Nm>CONCESSION SALE</Event1Nm>
        <GrossReceiptsEvent1Amt>72927</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>72927</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>42426</OtherDirectExpensesEvent1Amt>
        <Event2Nm>THUNDERFEST</Event2Nm>
        <GrossReceiptsEvent2Amt>13440</GrossReceiptsEvent2Amt>
        <GrossRevenueEvent2Amt>13440</GrossRevenueEvent2Amt>
        <OtherDirectExpensesEvent2Amt>7378</OtherDirectExpensesEvent2Amt>
        <OtherEventsTotalCnt>2</OtherEventsTotalCnt>
        <GrossReceiptsOtherEventsAmt>24980</GrossReceiptsOtherEventsAmt>
        <GrossRevenueOtherEventsAmt>24980</GrossRevenueOtherEventsAmt>
        <OthDirectExpnssOtherEventsAmt>26885</OthDirectExpnssOtherEventsAmt>
        <GrossReceiptsTotalAmt>111347</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>111347</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>76689</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>76689</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>34658</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc3">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES ADVERTISING AND PROMOTION 306 OFFICE 2,248 INSURANCE 1,408 LICENSES 158 FILING FEES 115 MISC EXPS FOR ATHLETICS 6,170 BOYS CROSS COUNTRY TENT 2,378 BOYS GOLF TEE OFF PACKAGE 2,350 SOFTBALL WINDSCREENS 3,000 CHEER MATS 3,000 SCHOLARSHIPS 6,500 WEBSITE 102 TOTAL 27,735</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24</FormAndLineReferenceDesc>
        <ExplanationTxt>INVENTORIES FOR SALE OR USE 11,689 7,459 PREPAID EXPENSES AND DEFERRED CHARGES 40 40 EQUIPMENT &amp; TRAILER 34,347 34,347 LESS ACCUMULATED DEPRECIATION 34,347 34,347 TOTAL 11,729 7,499</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>TO SUPPORT AND ENCOURAGE PARTICIPATION IN SPORTS ACTIVITIES, TO EXPAND AND PERPETUATE INTEREST IN ALL SCHOOL SPONSORED SPORT ACTIVITIES, TO ENCOURAGE THE SPIRIT OF GOOD SPORTSMANSHIP AND FELLOWSHIP, AND TO CREATE A BOND BETWEEN SCHOOL PERSONNEL, PLAYERS AND PARENTS TO IMPROVE AND SUPPORT THE ATHLETIC PROGRAM.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
