Terry Lynn Williams Employee Stock Purchase Plan Transaction

Terry Lynn Williams, Chief Information Officer of ASSOCIATED BANC-CORP (ASB), acquired 75.997 shares of Common Stock on September 15, 2026, through the Issuer's Employee Stock Purchase Plan. The purchase price per share was $30.167, and the transaction was coded as 'J' (purchase). Following this transaction, Williams owns 24,411.7803 shares directly. The filing was signed by an attorney-in-fact on September 17, 2026.