144 0001291523 XXXXXXXX LIVE 0000007789 ASSOCIATED BANC-CORP 001-31343 433 MAIN STREET GREEN BAY WI 54301 920-491-7500 WILLIAMS JOHN B Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

4000 112700.01 165941629 04/28/2026 NYSE Common 02/01/2020 Restricted Stock Vesting Issuer N 464 02/01/2020 Compensation Common 02/01/2021 Restricted Stock Vesting Issuer N 3536 02/01/2021 Compensation N John B. Williams

433 Main Street Green Bay WI 54301

Common 02/03/2026 2325 65204.63 04/28/2026 /s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John B. Williams