X0202 SCHEDULE 13G 0002124529 XXXXXXXX LIVE Common Stock 04/01/2026 0000007789 Associated Banc-Corp 045487105 433 Main Street Green Bay WI 54301 Rule 13d-1(c) Dianne S. Lozier X1 0.00 11830042.00 0.00 11830042.00 11830042.00 N 6.28 IN Dianne S. Lozier ANC Stock Holding Trust NE 0.00 11830042.00 0.00 11830042.00 11830042.00 N 6.28 OO Associated Banc-Corp 433 Main Street, Green Bay, WI, 54301 The names of the persons filing this Schedule 13G are Dianne S. Lozier and the ANC Stock Holding Trust (the "Trust," together with Ms. Lozier, the "Reporting Persons"). Ms. Lozier is the trustee of the Trust and holds voting and investment power with respect to the shares held by the Trust. The address of each of the Reporting Persons is 1299 Farnam Street, Suite 1450, Omaha, NE 68102. Ms. Lozier is a citizen of the United States. The Trust is a Nebraska trust. Y The Reporting Persons beneficially own 11,830,042 shares of common stock. The Reporting Persons beneficially own 6.28% of the issued and outstanding shares of common stock, based on 188,429,093 shares of common stock outstanding as of April 1, 2026. The Reporting Persons do not have sole power to vote or direct the vote of any shares of common stock. The Reporting Persons have shared power to vote or direct the vote of 11,830,042 shares of common stock. The Reporting Persons do not have sole power to dispose or direct the disposition of any shares of common stock. The Reporting Persons have shared power to dispose or direct the disposition of 11,830,042 shares of common stock. 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. 1. Joint Filing Agreement Dianne S. Lozier /s/ Dianne S. Lozier 04/06/2026 Dianne S. Lozier ANC Stock Holding Trust /s/ Dianne S. Lozier 04/06/2026