2025-11-04T13:46:38-06:00 2024-12-31 390859910 BAKER TILLY ADVISORY GROUP LP 790 N WATER ST SUITE 2000 MILWAUKEE WI 53202 990 2024-01-01 020788070 KOMATSU MINING CORP EMPLOYEE PAY-ALL RETIREE MEDICAL SAVINGS ACCOUNT TRUST KOMA 4146707265 PO BOX 554 MILWAUKEE WI 53201 MEGAN MILLER VP CORPORATE TAX 8008583329 2025-11-02 1 1 MARK HEROUX P00959793 4147775500 2025-11-02 2024 2025-03-06 01:10:19Z BMO HARRIS BANK NA 111 EAST KILBOURN AVE SUITE 200 MC-5-WM MILWAUKEE WI 53202 88185 0 X N/A X 2004 WI PROVIDE CERTAIN WELFARE BENEFITS FOR EXCLUSIVE BENEFIT OF THE ELIGIBLE EMPLOYEES OF KOMATSU MINING CORP. 0 0 0 0 0 0 0 0 295 7826 3754 7042 0 0 4049 14868 0 0 29123 6718 2 4 0 0 0 0 0 29125 6722 -25076 8146 101342 113525 0 0 101342 113525 PROVIDE CERTAIN WELFARE BENEFITS FOR EXCLUSIVE BENEFIT OF THE ELIGIBLE EMPLOYEES OF KOMATSU MINING CORP. 0 0 RETIREMENT MEDICAL SAVINGS ACCOUNT TRUST - PROVIDE EMPLOYEES CERTAIN WELFARE BENEFITS. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 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 0 0 0 0 0 0 0 0 X 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 X BMO HARRIS BANK NA 8008583329 111 EAST KILBOURN AVE SUITE 200 MILWAUKEE WI 53202 BMO HARRIS BANK NA TRUSTEE 1.00 X 4 0 0 4 0 0 0 0 0 0 0 CONTRIBUTIONS FROM SPO 525100 7826 7826 7826 2802 2802 77557 73317 4240 4240 4240 14868 7826 0 7042 6718 4 6722 2006 5663 99251 107789 85 73 101342 113525 0 0 X 0 0 0 0 101342 113525 101342 113525 101342 113525 8146 4037 0 X X 0 1 X 1 0 0 X PART X, LINE 2: ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRE MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN BY THE PLAN AND RECOGNIZE A TAX LIABILITY IF THE PLAN HAS TAKEN AN UNCERTAIN POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY THE IRS. THE PLAN IS SUBJECT TO ROUTINE AUDITS BY TAXING JURISDICTIONS; HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIODS IN PROGRESS. FORM 990, PART VI, SECTION A, LINE 3 THE PENSION & INVESTMENT COMMITTEE PROVIDES INVESTMENT OVERSIGHT, AND THE PLAN SPONSOR COMMITTEE PROVIDES PLAN DESIGN OVERSIGHT. FORM 990, PART VI, SECTION A, LINE 8A THE RETIREMENT MEDICAL SAVINGS ACCOUNT HAS NO ELECTED GOVERNING BODY HOWEVER; THE PENSION & INVESTMENT COMMITTEE OVERSEES THE PLAN, REVIEWS INFORMATION, AND DELEGATES CERTAIN FUNCTIONS TO A SUBCOMMITTEE. FINAL DECISIONS REGARDING ANY POLICY CHANGES OR CHANGES TO THE ACCOUNT ARE MADE BY THE PENSION & INVESTMENT COMMITTEE. FORM 990, PART VI, SECTION A, LINE 8B SEE EXPLANATION FOR FORM 990, PART VI, SECTION A, LINE 8A. FORM 990, PART VI, SECTION B, LINE 11B THE FORM 990 IS REVIEWED BY MATTHEW STUART, DIRECTOR - EMPLOYEE BENEFITS WITH KOMATSU MINING CORP. AND DON JOSE, REGIONAL MANAGER, RELATIONSHIP MANAGEMENT WITH BMO RETIREMENT SERVICES. FORM 990, PART VI, SECTION C, LINE 19 UPON REQUEST. FORM 990, PART VI, LINE 9: INSTITUTIONAL TRUSTEE, BMO HARRIS BANK, N.A., CANNOT BE REACHED AT THE ORGANIZATION'S MAILING ADDRESS. FORM 990, PART XII, LINE 2C: THE ORGANIZATION CHANGED NEITHER ITS OVERSIGHT PROCESS OR SELECTION PROCESS DURING THE TAX YEAR. KOMATSU MINING CORP ER PLAN - 02-0788070 PO BOX 554 MILWAUKEE WI 53201 EMPLOYER PAY-ALL RETIREE PLAN WI 501(C)(9) N/A KOMATSU MINING CORP 0 KOMATSU MINING CORP PO BOX 554 MILWAUKEE WI 53201 391566457 MINING SOLUTIONS WI N/A C 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 KOMATSU MINING CORP C 7826 FMV