Form 4 Filing for Andrew J. Harmening

Andrew J. Harmening, President & CEO of ASSOCIATED BANC-CORP (ASB), acquired 2516.375 shares of Common Stock on September 15, 2026. The acquisition was made under a dividend reinvestment plan, exempt from Section 16 under Rule 16a-11. The shares were acquired at a price of $30.0872 per share, resulting in a post-transaction ownership of 399008.511 shares. The transaction code was "J" and the ownership is direct. The filing was signed by Lynn M. Floeter, attorney-in-fact for Andrew J. Harmening, on September 17, 2026.