Form 4 Filing for Michael J. Haddad

This filing reports the acquisition of 727.398 phantom stock units by Michael J. Haddad, a director at ASSOCIATED BANC-CORP. The units were acquired on October 20, 2026, through the deferral of director fees earned for services on the Issuer's Board of Directors and credited to the Director's Deferred Compensation Plan. The acquisition price was $29.21 per unit, and the underlying security is Common Stock with a par value of $0.01. Following this transaction, Haddad holds 71,366.582 shares. The phantom stock units are 100% vested and will remain in the plan until distributed according to the insider's distribution elections. The filing is made on Form 4 and signed by Lynn M. Floeter as attorney-in-fact for Michael J. Haddad.