144 0001180800 XXXXXXXX LIVE 0000007789 ASSOCIATED BANC-CORP 001-31343 433 MAIN STREET GREEN BAY WI 54301 920-491-7500 Erickson Randall J. Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

90573 2785048.02 165941629 07/30/2026 NYSE Common 04/12/2012 Open Market Purchase Issuer N 2000 04/12/2012 Cash Common 07/27/2015 Stock Option Exercise Issuer N 2571 07/27/2015 Cash Common 10/27/2016 Stock Option Exercise Issuer N 4178 10/27/2016 Cash Common 01/27/2017 Restricted Stock Vesting Issuer N 666 01/27/2017 Compensation Common 02/06/2017 Restricted Stock Vesting Issuer N 6226 02/06/2017 Compensation Common 02/08/2017 Restricted Stock Vesting Issuer N 1233 02/08/2017 Compensation Common 01/02/2018 Restricted Stock Vesting Issuer N 498 01/02/2018 Compensation Common 01/27/2018 Restricted Stock Vesting Issuer N 695 01/27/2018 Compensation Common 02/06/2018 Restricted Stock Vesting Issuer N 2701 02/06/2018 Compensation Common 02/08/2018 Restricted Stock Vesting Issuer N 1703 02/08/2018 Compensation Common 02/05/2019 Restricted Stock Vesting Issuer N 11547 02/05/2019 Compensation Common 02/08/2019 Restricted Stock Vesting Issuer N 3075 02/08/2019 Compensation Common 02/04/2020 Restricted Stock Vesting Issuer N 8300 02/04/2020 Compensation Common 01/25/2022 Restricted Stock Vesting Issuer N 2059 01/25/2022 Compensation Common 02/08/2022 Restricted Stock Vesting Issuer N 4841 02/08/2022 Compensation Common 02/08/2023 Restricted Stock Vesting Issuer N 672 02/08/2023 Compensation Common 12/14/2023 Stock Option Exercise Issuer N 674 12/14/2023 Cash Common 10/30/2024 Stock Option Exercise Issuer N 3868 10/30/2024 Cash Common 11/06/2024 Stock Option Exercise Issuer N 6586 11/06/2024 Cash Common 07/30/2026 Stock Option Exercise Issuer N 26480 07/30/2026 Cash N Randall J. Erickson

433 Main Street Green Bay WI 54301

Common 05/01/2026 2000 56590.00 Randall J. Erickson

433 Main Street Green Bay WI 54301

Common 05/04/2026 28311 788055.92 07/30/2026 /s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Randall Erickson