Company: ASB
Filing Date: 2025-12-30
Form Type: S-4
Source: 0001193125-25-337086
Chunk: 35

Company: ASSOCIATED BANC-CORP
Filing Date: 2025-12-30
Form: S-4
Chunk 35
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ger In the Merger, the directors and executive officers of American National will receive the same consideration for their shares of American National common stock as all other American National shareholders. You should be aware that some of American National’s executive officers and directors have interests in the Merger that may be different from, or in addition to, the interests of the American National shareholders generally. These interests are described below. The American National board of directors was aware of these interests and considered them, among other matters, in reaching its decision to unanimously approve the Merger Agreement and the transactions contemplated thereby and recommend that American National voting shareholders approve the Merger Agreement (which approval was received on November 30, 2025). For purposes of this disclosure, American National’s current executive officers include the individuals listed below:

| • |     | John Kotouc, Executive Co-Chairman and                                                                     
 Co-Chief Executive Officer of American National Bank, and Co-Chief Executive Officer of American National; |

| • |     | Wende Kotouc, Executive Co-Chairman and                                                                                                      
 Co-Chief Executive Officer of American National Bank and Executive Vice President and member of the board of directors of American National; |

| • |     | Dianne Lozier, Co-Chairman and                   
 Co-Chief Executive Officer of American National; |

| • |     | David Ridder, Chief Banking Officer; |

| • |     | Curt Becker, Chief Financial Officer; |

| • |     | Stephanie Gould, Chief Communications and Talent Officer; |

| • |     | Benjamin Bemis, Chief Product and Operations Officer; |

| • |     | Jason Tiedtke, Chief Credit Officer; |

| • |     | Jason Hansen, President – Nebraska and Iowa Market; and |

| • |     | Steve Powell, President – Minnesota Market. |

26

Director Appointment

At the effective time of the Merger, Associated will cause Ms. Kotouc to be appointed as a director of Associated, as discussed further in
“The Merger — Governance of Associated After the Merger.”

Treatment of American National Stock Bonus Awards

American National has previously granted stock bonus awards to certain employees, including the executive officers other than
Mr. Kotouc, Ms. Kotouc and Ms. Lozier, under the American National Stock Incentive Plan. Prior to the effective time of the Merger, and in no event prior to January 1, 2026, American National will grant fully vested shares of
American National