X0508 4 2026-02-08 0000007789 ASSOCIATED BANC-CORP ASB 0001523751 Utz John A. ASSOCIATED BANC-CORP 433 MAIN STREET GREEN BAY WI 54301 1 Executive Vice President 0 Common Stock $0.01 Par Value 2026-02-08 4 F 0 2282 29.37 D 112616.6135 D Common Stock $0.01 Par Value 2026-02-08 4 A 0 79 29.37 A 112695.6135 D Common Stock $0.01 Par Value 15624.53 I 401(k) Plan Shares were surrendered to satisfy tax withholding obligations arising from the tranche vesting of time-based restricted stock granted in 2022, 2023, 2024 & 2025. Dividend equivalent units earned on vested shares, a portion of which the reporting person has elected to defer upon vesting, and which will remain in the Executive's Deferred Compensation Plan until distributed pursuant to the reporting person's distribution election on file. /s/ Lynn M. Floeter, attorney-in-fact for John A. Utz 2026-02-10