X0306 4 2018-03-13 0000007789 ASSOCIATED BANC-CORP ASB 0001523751 Utz John A. ASSOCIATED BANC-CORP 433 MAIN STREET GREEN BAY WI 54301 1 Executive Vice President Common Stock $0.01 Par Value 2018-03-13 4 S 0 4525 26.707 D 42384 D Common Stock $0.01 Par Value 2018-03-13 4 M 0 8340 12.97 A 50724 D Common Stock $0.01 Par Value 2018-03-13 4 S 0 5745 26.755 D 44979 D Common Stock $0.01 Par Value 2018-03-13 4 S 0 2595 26.80 D 42384 D Common Stock $0.01 Par Value 9966 I 401(k) Plan Non-qualified Stock Option (Right to Buy) 12.97 2018-03-13 4 M 0 8340 0 D 2022-01-23 Common Stock $0.01 Par Value 8340 8341 D Options vested in annual increments over 3 years; 34% on the first anniversary after the grant date, and 33% on the second and third anniversaries after the grant date, respectively. /s/ Tracy A. Devine, attorney-in-fact for John A. Utz 2018-03-15