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        <TitleTxt>Senior Vice President</TitleTxt>
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          <BusinessNameLine1Txt>Charles Krawitz</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>Kenneth Schaafsma</BusinessNameLine1Txt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 6 Classes of members or stockholders</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE IS ONLY ONE CLASS OF MEMBERSHIP WITHIN THE CREDIT UNION. ORGANIZATION AND TRUST ACCOUNTS ARE ALLOWED WITH OWNERSHIP SPECIFICALLY TIED BACK TO THE INDIVIDUAL. THE ONLY ORGANIZATION ACCOUNTS ALLOWED WITHIN THE BYLAWS OF ALLIANT ARE NOT FOR PROFIT ENTITIES AND/OR ASSOCIATIONS. FOR PURPOSES OF VOTING, EACH FULL SHARE ($5) IS AFFORDED ONE VOTE WITH RESPECT TO REGULAR SHARES. THEREFORE, INDIVIDUAL ACCOUNTS CAN HAVE MULTIPLE VOTES BASED UPON THE VALUE OF THE ACCOUNT RELATIVE TO INDIVIDUAL FULL $5 INCREMENTS. FOR TRUST AND ORGANIZATIONAL ACCOUNTS, EACH ACCOUNT IS AFFORDED ONE VOTE NO MATTER THE DOLLAR AMOUNT OF THE ACCOUNT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7a Members or stockholders electing members of governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE IS ONLY ONE CLASS OF MEMBERSHIP WITHIN THE CREDIT UNION. ORGANIZATION AND TRUST ACCOUNTS ARE ALLOWED WITH OWNERSHIP SPECIFICALLY TIED BACK TO THE INDIVIDUAL. THE ONLY ORGANIZATION ACCOUNTS ALLOWED WITHIN THE BYLAWS OF ALLIANT ARE NOT FOR PROFIT ENTITIES AND/OR ASSOCIATIONS. FOR PURPOSES OF VOTING, EACH FULL SHARE ($5) IS AFFORDED ONE VOTE WITH RESPECT TO REGULAR SHARES. THEREFORE, INDIVIDUAL ACCOUNTS CAN HAVE MULTIPLE VOTES BASED UPON THE VALUE OF THE ACCOUNT RELATIVE TO INDIVIDUAL FULL $5 INCREMENTS. FOR TRUST AND ORGANIZATIONAL ACCOUNTS, EACH ACCOUNT IS AFFORDED ONE VOTE NO MATTER THE DOLLAR AMOUNT OF THE ACCOUNT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY THE MANAGER OF FINANCIAL REPORTING. A FINAL REVIEW OF THE FORM 990 IS COMPLETED AND SIGNED OFF BY THE VICE PRESIDENT OF ACCOUNTING. ONCE THE RETURN IS COMPLETED AND FILED, MANAGEMENT COMMUNICATES TO THE BOARD OF DIRECTORS THAT WE HAVE MET THE FILING REQUIREMENTS OF THE FORM 990 WITH THE IRS BUT A COPY IS NOT PROVIDED. THE FORM 990 IS ALSO REVIEWED BY AN INDEPENDENT ACCOUNTING FIRM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c Conflict of interest policy</FormAndLineReferenceDesc>
        <ExplanationTxt>ALLIANT CREDIT UNION REGULARLY MONITORS AND ENFORCES THE COMPLIANCE OF OUR CONFLICT OF INTEREST POLICY THROUGH PERIODIC AUDITS AND ENFORCEMENT OF VENDOR MANAGEMENT POLICIES. ALL ALLIANT EMPLOYEES AND BOARD MEMBERS ARE SUBJECT TO THIS POLICY. THE CONFLICT OF INTEREST REVIEW PROCESS IS COMPLETED BY ALLIANT'S GENERAL COUNSEL AND CHIEF ETHICS OFFICER. IF A CONFLICT OF INTEREST WOULD OCCUR, THE INDIVIDUAL WOULD RECUSE THEMSELVES FROM THE MATTER. IF A BOARD MEMBER HAS A CONFLICT OF INTEREST, THE INDIVIDUAL WOULD ANNOUNCE TO THE BOARD MEMBERS DURING THE BOARD MEETING THAT THEY ARE RECUSING THEMSELVES FROM THE MATTER AT HAND.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a Process to establish compensation of top management official</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION OF ALL POSITIONS WITHIN THE CREDIT UNION ARE BENCHMARKED AGAINST THE EXTERNAL MARKET USING AN OUTSIDE SERVICE. ADDITIONALLY AND WHERE AVAILABLE, SURVEY DATA WITH COMPARABLE POSITIONS IN COMPARABLE MARKETS IS USED FOR COMPARISON AND BENCHMARKING. COMPENSATON STRATEGY FOR POSITIONS OTHER THAN OFFICER LEVEL POSITIONS ARE REVIEWED BY THE FUNCTIONAL SENIOR VICE PRESIDENT AND VICE PRESIDENTS. FOR OFFICER LEVEL POSITIONS, THE COMPENSATION IS REVIEWED AND CONFIRMED BY THE CEO AND CHAIRPERSON OF THE COMPENSATION AND TALENT COMMITTEE. THE CEO'S COMPENSATION IS VALIDATED AND RECOMMENDED FOR APPROVAL THROUGH THE CHAIRPERSON OF BOD AND THE BOARD'S COMPENSATION AND TALENT COMMITTEE. THE LAST REVIEW WAS COMPLETED IN SEPTEMBER 2023 AND BY AON.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b Process to establish compensation of other employees</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION OF ALL POSITIONS WITHIN THE CREDIT UNION ARE BENCHMARKED AGAINST THE EXTERNAL MARKET USING AN OUTSIDE SERVICE. ADDITIONALLY AND WHERE AVAILABLE, SURVEY DATA WITH COMPARABLE POSITIONS IN COMPARABLE MARKETS IS USED FOR COMPARISON AND BENCHMARKING. COMPENSATON STRATEGY FOR POSITIONS OTHER THAN OFFICER LEVEL POSITIONS ARE REVIEWED BY THE FUNCTIONAL SENIOR VICE PRESIDENT AND VICE PRESIDENTS. FOR OFFICER LEVEL POSITIONS, THE COMPENSATION IS REVIEWED AND CONFIRMED BY THE CEO AND CHAIRPERSON OF THE COMPENSATION AND TALENT COMMITTEE. THE CEO'S COMPENSATION IS VALIDATED AND RECOMMENDED FOR APPROVAL THROUGH THE CHAIRPERSON OF BOD AND THE BOARD'S COMPENSATION AND TALENT COMMITTEE. THE LAST REVIEW WAS COMPLETED IN SEPTEMBER 2023 AND BY AON.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY ARE NOT MADE READILY AVAILABLE TO THE GENERAL PUBLIC. IF THOSE DOCUMENTS WERE SPECIFICALLY REQUESTED, A COPY WOULD BE PROVIDED TO THE MEMBER. THE FINANCIAL INFORMATION IS AVAILABLE IN A NUMBER OF WAYS. AN ANNUAL REPORT OF UNAUDITED INFORMATION IS AVAILABLE ON THE CREDIT UNION'S WEBSITE. IN ADDITION, SPECIFIC FINANCIAL INFORMATION IS REQUIRED PER REGULATORY AUTHORITY TO BE FILED QUARTERLY WITH THE NATIONAL CREDIT UNION ASSOCIATION AND THE ILLINOIS DEPARTMENT OF FINANCIAL AND PROFESSIONAL REGULATION. THIS INFORMATION IS AVAILABLE TO THE GENERAL PUBLIC THROUGH A THIRD PARTY SITE. IN ADDITION, AN ANNUAL REPORT IS PROVIDED TO A MEMBER UPON SPECIFIC REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VIII, Line 2f Other Program Service Revenue</FormAndLineReferenceDesc>
        <ExplanationTxt>Other - Total Revenue: 22198796, Related or Exempt Function Revenue: 22198796, Unrelated Business Revenue: , Revenue Excluded from Tax Under Sections 512, 513, or 514: ;</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 9 Other changes in net assets or fund balances</FormAndLineReferenceDesc>
        <ExplanationTxt>CECL TRANSITION PROVISION - -XXX-XX-XXXX;</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2b</FormAndLineReferenceDesc>
        <ExplanationTxt>Alliant Credit Union does have an audit performed at the June 30 fiscal year end financial statements.</ExplanationTxt>
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      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
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      <SharingOfFacilitiesInd>true</SharingOfFacilitiesInd>
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