X0508 4 2025-03-10 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 2025-03-10 4 A 0 15043 21.45 A 119343.1829 D Common Stock $0.01 Par Value 2025-03-10 4 F 0 4941 21.45 D 114402.1829 D Common Stock $0.01 Par Value 2025-03-10 4 A 0 487 21.45 A 114889.1829 D Common Stock $0.01 Par Value 15084.26 I 401(k) Plan Represents vested Performance Shares granted in 2022 and subject to 3-year cliff vesting in 2025, 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. Shares were withheld to satisfy tax withholding obligations arising from vesting of performance shares in 2025. Dividend equivalent units earned on vested shares, 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 2025-03-12