2025-11-17T15:33:01-06:00 2024-12-31 450250958 Eide Bailly LLP 2950 E Harmony Rd Ste 290 Fort Collins CO 805283429 990 2024-01-01 262732890 Black Hills Utility Holdings Inc Funded Ret Healthcare & Life Ins Non BLAC 6057211504 PO Box 1400 Rapid City SD 57709 Donna E Genora Vice President, Tax 6057211504 2025-11-17 1 1 Kyle Fritch CPA P01313374 9702238825 2025-11-17 2024 2025-03-06 01:10:19Z Thomas Stevens PO Box 1400 Rapid City SD 57709 698158 0 X N/A X 2008 IL To provide retiree healthcare and life insurance benefits to non-bargaining unit former employees. 1 0 0 0 311959 299309 0 0 431644 386199 326083 311959 0 0 757727 698158 0 0 256032 700649 0 0 0 0 0 406946 510062 662978 1210711 94749 -512553 6447523 5972271 173835 211136 6273688 5761135 The Trust provides retiree healthcare and life insurance benefits for non-bargaining unit former employees under the terms and conditions of the Black Hills Utility Holdings Inc. funded retiree healthcare and life insurance plan. 0 0 Provided medical prescription drug, dental, and life insurance benefits to eligible retirees and their dependents. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 X 1 0 0 0 0 0 1 1 0 1 1 1 0 1 1 1 1 1 1 0 0 0 X Thomas Stevens 6057212398 PO Box 1400 Rapid City SD 57709 X The Northern Trust Company Trustee 10.00 10.00 X 0 0 0 0 0 0 0 0 0 0 0 Contributions from Emp 525100 301963 301963 Contributions from Par 525100 84236 84236 386199 311959 311959 698158 386199 311959 0 700649 61443 47377 29656 Premiums for Medical/De 195680 Income Tax Expense 175906 1210711 6402748 5972271 44775 6447523 5972271 4885 17301 168950 193835 173835 211136 X 6273688 5761135 0 0 0 0 6273688 5761135 6447523 5972271 -512553 0 X 0 1 X 0 0 0 Payable Retiree Healthcare Expenses 145302 UBIT Payable 48533 193835 X Part X, Line 2: The Trust established under the Plan to hold the Plan's assets is intended to qualify pursuant to Section 501(c)(9) of the IRC. The Trust has obtained exemption letters dated February 5, 2010, from the IRS. The Company and the Plan management believe that the Trust and the Plan are currently designed and operated in compliance with the applicable requirements of the IRC and continueun to be taxexempt. Form 990, Part VI, Section A, line 1a The Trustee may appoint a Committee to perform administrative duties with respect to the Plan and Trust and which has the overall responsibility for administering the Plan. The Committee is considered the named fiduciary for Plan investments and Plan administration for purposes of ERISA. The members of the Committee consist of Employees appointed by the Board of Black Hills Corporation. Form 990, Part VI, Section A, line 6 The Black Hills Corporation is considered a member of the Trust. Form 990, Part VI, Section A, line 7a The Black Hills Corporation has the power to appoint Trustees. Form 990, Part VI, Section B, line 11b The Form 990 is reviewed by individuals in HR, Treasury, and Tax departments of the parent corporation prior to filing. The documents were reviewed in their entirety prior to being signed by the Trustee and filed. Form 990, Part VI, Section B, line 12c Discosure of potential conflicts is required by the Trust's Code of Business Conduct and review of Related Party Transactions policies. The Trustee is required to report any potential conflicts as they arise to the VP of Governance of the related organization. Form 990, Part VI, Section C, line 19 The governing documents, financials, and conflict of interest policy are available at blackhillscorp.com/investorrelations/corporategovernance. Form 990, Part VII Contact Addresses for Officers, Directors, Etc The Northern Trust Company - 50 South LaSalle Street, Chicago, IL 60675. Black Hills util Hld Inc Bargaining PO Box 1400 Rapid City SD 57709 262732934 VEBA IL 501(c)(9) Black Hills Corporation 0 Black Hills Corporation PO Bos 1400 Rapid City SD 57709 460458824 Utility SD N/A C 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1