X0609 4 2026-05-26 0000007789 ASSOCIATED BANC-CORP ASB 0001888552 DeLoye Dennis false C/O ASSOCIATED BANC-CORP 433 MAIN STREET GREEN BAY WI 54301 1 Executive Vice President 0 Common Stock $0.01 Par Value 2026-05-26 4 M 0 5000 24.70 A 26385.3 D Common Stock $0.01 Par Value 2026-05-26 4 M 0 9299 26.00 A 35684.3 D Common Stock $0.01 Par Value 2026-05-26 4 S 0 5000 28.26 D 30684.3 D Common Stock $0.01 Par Value 2026-05-26 4 S 0 9299 28.26 D 21385.3 D Non-qualified Stock Option (Right to Buy) 24.70 2026-05-26 4 M 0 5000 0 D 2028-03-01 Common Stock $0.01 Par Value 5000 5429 D Non-qualified Stock Option (Right to Buy) 26.00 2026-05-26 4 M 0 9299 0 D 2027-02-27 Common Stock $0.01 Par Value 9299 0 D The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.215 to $28.315, inclusive. The reporting person undertakes to provide to Associated Banc-Corp, any security holders of Associated Banc-Corp, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes above. The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.215 to $28.315, inclusive. The reporting person undertakes to provide to Associated Banc-Corp, any security holders of Associated Banc-Corp, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes above. Options vest in four equal annual installments beginning 2/8/2019. Options vest in four equal annual installments beginning 2/8/2018. /s/ Lynn M. Floeter, attorney-in-fact for Dennis DeLoye 2026-05-27