X0202 SCHEDULE 13G/A 0002075341 XXXXXXXX LIVE 3 Common Shares, without par value 03/31/2026 0001798562 TMC the metals Co Inc. 87261Y106 1111 WEST HASTINGS STREET 15TH FLOOR VANCOUVER A1 V6E 2J3 Rule 13d-1(c) Brumder William George X1 14703132.00 0.00 14703132.00 0.00 14703132.00 N 3.4 IN TMC the metals Co Inc. This statement on Schedule 13G is filed by William George Brumder II. c/o HoganTaylor LLP 1225 N. Broadway Ave., Ste. 200 Oklahoma City, OK 73103 United States Y As of the close of business on the date hereof, Mr. Brumder may be deemed to beneficially own 14,703,132 Common Shares, without par value of the Issuer (the "Shares"), including 2,702,900 Shares underlying certain call options exercisable within 60 days of the date hereof. The following percentage is based upon 433,188,187 Shares outstanding as of April 2, 2026, as reported in the Proxy Statement on Schedule 14A, filed by the Issuer on April 17, 2026. As of the close of business on the date hereof, Mr. Brumder may be deemed to beneficially own approximately 3.4% of the Shares outstanding. See Cover Pages Items 5-9. See Cover Pages Items 5-9. See Cover Pages Items 5-9. See Cover Pages Items 5-9. N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Brumder William George /s/ William George Brumder II 05/01/2026