﻿<?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="2023v6.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-08-14T10:19:54-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-09-30</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-10-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>943227921</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>SEATTLE CHILDREN'S HOSPITAL</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>(DBA KC HOWARD GUILD)</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>SEAT</BusinessNameControlTxt>
      <PhoneNum>2068842351</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 5371 MS 818-FI</AddressLine1Txt>
        <CityNm>SEATTLE</CityNm>
        <StateAbbreviationCd>WA</StateAbbreviationCd>
        <ZIPCd>981455005</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>AILEEN KELLY</PersonNm>
      <PersonTitleTxt>GUILD ASSN EXECUTIVE DIRECTOR</PersonTitleTxt>
      <PhoneNum>2068842351</PhoneNum>
      <SignatureDt>2025-08-13</SignatureDt>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>0</IRSResponsiblePrtyInfoCurrInd>
    <TaxYr>2023</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <GroupExemptionNum>8041</GroupExemptionNum>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc1039100001">X</Organization501c3Ind>
      <TypeOfOrganizationAssocInd>X</TypeOfOrganizationAssocInd>
      <GrossReceiptsAmt>172276</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>115554</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>28</InvestmentIncomeAmt>
      <GamingGrossIncomeAmt referenceDocumentId="RetDoc1041300001">7850</GamingGrossIncomeAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="RetDoc1041300001" fndrsngEventContriPrevRptAmt="87564">48844</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>49197</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>7497</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>123079</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>117500</GrantsAndSimilarAmountsPaidAmt>
      <OtherExpensesTotalAmt>4584</OtherExpensesTotalAmt>
      <TotalExpensesAmt>122084</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>995</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>19256</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>20251</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>19256</BOYAmt>
        <EOYAmt>20251</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>19256</BOYAmt>
        <EOYAmt>20251</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>19256</BOYAmt>
        <EOYAmt>20251</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>THE KC HOWARD GUILD WAS FOUNDED IN 1995 TO SUPPORT SEATTLE CHILDREN'S HOSPITAL (A 501(C)(3) TAX-EXEMPT HOSPITAL) BY RAISING AWARENESS AND FUNDS PRIMARILY FOR ITS UNCOMPENSATED CARE PROGRAM. FOR OVER TWENTY YEARS, THE GUILD HAS ENJOYED WORKING AS A GROUP OF FRIENDS WITH ONE COMMON GOAL - TO HELP SEATTLE CHILDREN'S REALIZE ITS GOAL OF ENSURING THAT CHILDREN AT THE HOSPITAL RECEIVE THE BEST CARE REGARDLESS OF THEIR FAMILIES' ABILITY TO PAY. IN THE PROCESS, THE GUILD MEMBERS HAVE FUN, DO SOME IMPORTANT COMMUNITY WORK, AND LEARN ALONG THE WAY.THE GUILD IS NAMED AFTER KATHERINE COLWELL (KC) HOWARD, WHO IS THE GRANDDAUGHTER OF ANNA HERR CLISE, THE FOUNDER OF THE CHILDREN'S ORTHOPEDIC HOSPITAL (NOW KNOWN AS SEATTLE CHILDREN'S HOSPITAL). KC GREW UP VOLUNTEERING HER TIME AND EFFORTS OVER MANY YEARS, INVOLVING HERSELF IN PROJECTS AT THE HOSPITAL AS WELL AS SERVING ON THE BOARD OF TRUSTEES. THE KC HOWARD GUILD IS HONORED TO BE NAMED FOR HER.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE KC HOWARD GUILD IS A MEMBER OF THE SEATTLE CHILDREN'S GUILD ASSOCIATION, A TAX-EXEMPT FUNDRAISING ENTITY OF SEATTLE CHILDREN'S HOSPITAL. THE HOSPITAL PROVIDES PEDIATRIC PATIENT CARE, MEDICAL RESEARCH, TEACHING OF PEDIATRIC RESIDENTS AND OTHER HEALTHCARE PROVIDERS, AS WELL AS ADVOCACY FOR CHILDREN IN THE PACIFIC NORTHWEST. THE KC HOWARD GUILD HELD ITS ANNUAL HOLIDAY AUCTION. THIS EVENT RAISED FUNDS PRIMARILY BENEFITING THE UNCOMPENSATED CARE PROGRAM OF SEATTLE CHILDREN'S HOSPITAL.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>117500</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>117500</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>117500</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>AILEEN KELLY</PersonNm>
        <TitleTxt>GUILD ASSN EXECUTIVE DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ERIN CAREY BYRNE</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CHRISTINE G FRANK</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>NICOLE SUMMERS</PersonNm>
        <TitleTxt>SECRETARY</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>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>SAMANTHA SLOANE</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>818 STEWART ST 8TH FLOOR</AddressLine1Txt>
          <CityNm>SEATTLE</CityNm>
          <StateAbbreviationCd>WA</StateAbbreviationCd>
          <ZIPCd>98101</ZIPCd>
        </USAddress>
        <PhoneNum>2068842351</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">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>176005</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>92088</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>77543</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>116657</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>115554</CurrentTaxYearAmt>
        <TotalAmt>577847</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>176005</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>92088</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>77543</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>116657</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>115554</CurrentTaxYearAmt>
        <TotalAmt>577847</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>79804</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>498043</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>148</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>45</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>24</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>25</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>28</CurrentTaxYearAmt>
        <TotalAmt>270</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <UnrelatedBusinessNetIncm170Grp>
        <CurrentTaxYearMinus4YearsAmt>11978</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2177</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>4480</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5628</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>7497</CurrentTaxYearAmt>
        <TotalAmt>31760</TotalAmt>
      </UnrelatedBusinessNetIncm170Grp>
      <TotalSupportAmt>609877</TotalSupportAmt>
      <PublicSupportCY170Pct>0.81660</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.81530</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART II, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 9 REPRESENTS ACTIVITIES THAT ARE PART OF THE ORGANIZATION'S FUNDRAISING EFFORTS. THE PORTION OF GROSS REVENUE THAT IS ALLOCATED TOWARDS CONTRIBUTIONS IS REPORTED ON LINE 1 AS GIFTS, GRANTS, AND CONTRIBUTIONS. LINE 9 DOES NOT REPRESENT AMOUNTS SUBJECT TO UNRELATED BUSINESS INCOME TAX.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>HOLIDAY AUCTION</Event1Nm>
        <GrossReceiptsEvent1Amt>136408</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>87564</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>48844</GrossRevenueEvent1Amt>
        <RentFacilityCostsEvent1Amt>4000</RentFacilityCostsEvent1Amt>
        <FoodAndBeverageEvent1Amt>11305</FoodAndBeverageEvent1Amt>
        <EntertainmentEvent1Amt>800</EntertainmentEvent1Amt>
        <OtherDirectExpensesEvent1Amt>31811</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>136408</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>87564</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>48844</GrossRevenueTotalEventsAmt>
        <RentFcltyCostsTotalEventsAmt>4000</RentFcltyCostsTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>11305</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>800</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>31811</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>47916</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>928</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 4 - OTHER INVESTMENT INCOME</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: INTEREST INCOME. AMOUNT: 28.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVITY CLASSIFICATION: UNCOMPENSATED CARE PROGRAM. GRANTEE NAME: SEATTLE CHILDREN'S GUILD ASSOCIATION. GRANTEE ADDRESS: PO BOX 5371, MS: 818-FI SEATTLE, WA 98145-5005. GRANTEE RELATIONSHIP: NONE. AMOUNT GIVEN: 114,500.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVITY CLASSIFICATION: RESEARCH DISCOVERY FUND. GRANTEE NAME: SEATTLE CHILDREN'S GUILD ASSOCIATION. GRANTEE ADDRESS: PO BOX 5371, MS: 818-FI SEATTLE, WA 98145-5005. GRANTEE RELATIONSHIP: NONE. AMOUNT GIVEN: 2,500.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVITY CLASSIFICATION: CHILD LIFE TOY FUND. GRANTEE NAME: SEATTLE CHILDREN'S GUILD ASSOCIATION. GRANTEE ADDRESS: PO BOX 5371, MS: 818-FI SEATTLE, WA 98145-5005. GRANTEE RELATIONSHIP: NONE. AMOUNT GIVEN: 500. TOTAL INCLUDED ON FORM 990-EZ, LINE 10: 117,500.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: CREDIT CARD AND BANK FEES. AMOUNT: 4,584.</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>