﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2024v5.5">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-04-01T08:23:01-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>410746749</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>CLIFTONLARSONALLEN LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>2689 COMMERCE DRIVE NW SUITE 201</AddressLine1Txt>
        <CityNm>ROCHESTER</CityNm>
        <StateAbbreviationCd>MN</StateAbbreviationCd>
        <ZIPCd>55901</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>841933763</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>OWATONNA MARCHING BAND BOOSTERS</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>OWAT</BusinessNameControlTxt>
      <PhoneNum>5074510214</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1315 SAINT PAUL ROAD</AddressLine1Txt>
        <CityNm>OWATONNA</CityNm>
        <StateAbbreviationCd>MN</StateAbbreviationCd>
        <ZIPCd>55060</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>AMY ACKMAN</PersonNm>
      <PersonTitleTxt>BOARD PRESIDENT</PersonTitleTxt>
      <PhoneNum>5074510214</PhoneNum>
      <SignatureDt>2026-03-11</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>0</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>KATHERINE LUTZKE CPA</PreparerPersonNm>
      <PTIN>P01760889</PTIN>
      <PhoneNum>5072802300</PhoneNum>
      <PreparationDt>2026-03-09</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.OWATONNAMARCHINGBAND.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc1039100001">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>183429</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>11207</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>137261</ProgramServiceRevenueAmt>
      <GamingGrossIncomeAmt referenceDocumentId="RetDoc1041300001">31500</GamingGrossIncomeAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="RetDoc1041300001">3461</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>5084</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>29877</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>178345</TotalRevenueAmt>
      <SalariesOtherCompEmplBnftAmt>4200</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>2</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>2003</OccupancyRentUtltsAndMaintAmt>
      <OtherExpensesTotalAmt>162700</OtherExpensesTotalAmt>
      <TotalExpensesAmt>168905</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>9440</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>27179</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>68583</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>105202</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>27179</BOYAmt>
        <EOYAmt>105202</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>27179</BOYAmt>
        <EOYAmt>105202</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>27179</BOYAmt>
        <EOYAmt>105202</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>THE OWATONNA MARCHING BAND BOOSTERS (OMBB) SUPPORTS THE SCHOOL MARCHING BAND PROGRAMS IN OWATONNA, MN WHILE FOSTERING PRIDE, LEADERSHIP, COMMUNITY SERVICE, AND FUNDRAISING AMONGST THE STUDENT BODY AND COMMUNITY. OMBB SHALL ASSIST THESE PROGRAMS IN REACHING THEIR GOALS FOR THE MARCHING BAND PROGRAM. OMBB SHALL PROVIDE FINANCIAL SUPPORT TO THE MARCHING BAND PROGRAM AS DEEMED NECESSARY AND PROVIDE ASSISTANCE FOR MARCHING BAND ACTIVITIES. OMBB IS CONDUCTED JOINTLY WITH THE OWATONNA BAND AT THE OWATONNA HIGH SCHOOL. OMBB DIRECTLY SUPPORTS OWATONNA HIGH SCHOOL MARCHING BAND, ITS MUSIC, SHOWS, TRAVEL EXPENSES, AND VARIOUS EXPENSES THROUGHOUT THE MARCHING BAND SEASON. 100 PERCENT OF THE TIME OF OMBB IS ALLOCATED TO CHARITABLE ACTIVITIES. THE OMBB IS FUNDED BY COMMUNITY DONATIONS AS WELL AS MEMBER FEES OF THE MARCHING BAND PARTICIPANTS. OMBB PROVIDES AVENUES FOR EACH MARCHING BAND STUDENT TO FINANCIALLY AFFORD TO PARTICIPATE IN THE ACTIVITIES OF THE OWATONNA MARCHING BAND.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE OWATONNA MARCHING BAND BOOSTERS (OMBB) SUPPORTS THE SCHOOL MARCHING BAND PROGRAMS IN OWATONNA, MN WHILE FOSTERING PRIDE, LEADERSHIP, COMMUNITY SERVICE, AND FUNDRAISING AMONGST THE STUDENT BODY AND COMMUNITY. OMBB SHALL ASSIST THESE PROGRAMS IN REACHING THEIR GOALS FOR THE MARCHING BAND PROGRAM. OMBB SHALL PROVIDE FINANCIAL SUPPORT TO THE MARCHING BAND PROGRAM AS DEEMED NECESSARY AND PROVIDE ASSISTANCE FOR MARCHING BAND ACTIVITIES. OMBB IS CONDUCTED JOINTLY WITH THE OWATONNA BAND AT THE OWATONNA HIGH SCHOOL. OMBB DIRECTLY SUPPORTS OWATONNA HIGH SCHOOL MARCHING BAND, ITS MUSIC, SHOWS, TRAVEL EXPENSES, AND VARIOUS EXPENSES THROUGHOUT THE MARCHING BAND SEASON. 100 PERCENT OF THE TIME OF OMBB IS ALLOCATED TO CHARITABLE ACTIVITIES. THE OMBB IS FUNDED BY COMMUNITY DONATIONS AS WELL AS MEMBER FEES OF THE MARCHING BAND PARTICIPANTS. OMBB PROVIDES AVENUES FOR EACH MARCHING BAND STUDENT TO FINANCIALLY AFFORD TO PARTICIPATE IN THE ACTIVITIES OF THE OWATONNA MARCHING BAND.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>160198</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>160198</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>AMY ACKMAN</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ELIZABETH FARRIS</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>PETER GUENTHER</PersonNm>
        <TitleTxt>BAND DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>MN</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>ELIZABETH FARRIS</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>1315 SAINT PAUL ROAD</AddressLine1Txt>
          <CityNm>OWATONNA</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55060</ZIPCd>
        </USAddress>
        <PhoneNum>5074510214</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>1</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>11595</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>16119</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>4758</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1813</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>11207</CurrentTaxYearAmt>
        <TotalAmt>45492</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>9014</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>206541</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>31520</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>34730</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>137261</CurrentTaxYearAmt>
        <TotalAmt>419066</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>20609</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>222660</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>36278</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>36543</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>148468</CurrentTaxYearAmt>
        <TotalAmt>464558</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <CurrentTaxYearMinus4YearsAmt>10000</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4818</CurrentTaxYearMinus3YearsAmt>
        <TotalAmt>14818</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <CurrentTaxYearMinus3YearsAmt>6657</CurrentTaxYearMinus3YearsAmt>
        <TotalAmt>6657</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>10000</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>11475</CurrentTaxYearMinus3YearsAmt>
        <TotalAmt>21475</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>443083</PublicSupportTotal509Amt>
      <NetIncomeFromOtherUBIGrp>
        <CurrentTaxYearAmt>29877</CurrentTaxYearAmt>
        <TotalAmt>29877</TotalAmt>
      </NetIncomeFromOtherUBIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>20609</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>222660</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>36278</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>36543</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>178345</CurrentTaxYearAmt>
        <TotalAmt>494435</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.89610</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.90030</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <GamingInformationGrp>
        <GrossRevenueOtherGamingAmt>31500</GrossRevenueOtherGamingAmt>
        <CashPrizesOtherGamingAmt>2050</CashPrizesOtherGamingAmt>
        <OthDirectExpnssOtherGamingAmt>735</OthDirectExpnssOtherGamingAmt>
        <VolunteerLaborOtherGamingInd>1</VolunteerLaborOtherGamingInd>
        <VolunteerLaborOtherGamingPct>1.00000</VolunteerLaborOtherGamingPct>
        <GrossRevenueTotalGamingAmt>31500</GrossRevenueTotalGamingAmt>
        <CashPrizesTotalGamingAmt>2050</CashPrizesTotalGamingAmt>
        <OthDirectExpnssTotalGamingAmt>735</OthDirectExpnssTotalGamingAmt>
        <DirectExpenseSummaryGamingAmt>2785</DirectExpenseSummaryGamingAmt>
        <NetGamingIncomeSummaryAmt>28715</NetGamingIncomeSummaryAmt>
      </GamingInformationGrp>
      <StatesWhereGamingConductedCd>MN</StatesWhereGamingConductedCd>
      <LicensedInd>0</LicensedInd>
      <LicenseSuspendedEtcInd>0</LicenseSuspendedEtcInd>
      <GamingWithNonmembersInd>1</GamingWithNonmembersInd>
      <MemberOfOtherEntityInd>0</MemberOfOtherEntityInd>
      <GamingOwnFacilityPct>0.00000</GamingOwnFacilityPct>
      <GamingOtherFacilityPct>1.00000</GamingOtherFacilityPct>
      <CntrctWith3rdPrtyForGameRevInd>0</CntrctWith3rdPrtyForGameRevInd>
      <CharitableDistributionRqrInd>0</CharitableDistributionRqrInd>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: PROGRAM EXPENSES. AMOUNT: 157,377. DESCRIPTION: OFFICE SUPPLIES. AMOUNT: 2,329. DESCRIPTION: INSURANCE. AMOUNT: 1,272. DESCRIPTION: DUES &amp; SUBSCRIPTIONS. AMOUNT: 1,500. DESCRIPTION: MISCELLANEOUS EXPENSE. AMOUNT: 222. TOTAL TO FORM 990-EZ, LINE 16: 162,700.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 20 - OTHER CHANGES IN NET ASSETS</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: PRIOR PERIOD ADJUSTMENTS. AMOUNT: 68,583.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <TransferPrsnlBnftContractsDecl documentId="RetDoc2278000001">
      <DeclarationDesc>THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT.</DeclarationDesc>
    </TransferPrsnlBnftContractsDecl>
  </ReturnData>
</Return>