Company: ASB
Filing Date: 2025-12-30
Form Type: S-4
Source: 0001193125-25-337086
Chunk: 199

Company: ASSOCIATED BANC-CORP
Filing Date: 2025-12-30
Form: S-4
Chunk 199
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 TRUST |     |                                            |
| By:                           |     | /s/ Thomas O. Kotouc                       |
|                               |     | THOMAS O. KOTOUC, Trustee                  |
| By:                           |     | /s/ Jan M. Kotouc                          |
|                               |     | JAN M. KOTOUC, Trustee                     |
|                               |     | Thomas O. Kotouc Living Trust 10 Courtland 
 Green Street                               |
|                               |     | Spring, TX 77382-5101                      |

[ Signature Page to Transfer, Voting and Registration Rights Agreement] B-11

| SHAREHOLDER       |     |                                           |
| ANN L. DUEY TRUST |     |                                           |
| By:               |     | /s/ Ann L. Duey                           |
|                   |     | ANN L. DUEY, Trustee                      |
|                   |     | Ann Duey Revocable Trust 1206 South 116th 
 Avenue                                    |
|                   |     | Omaha, NE 68144                           |

[ Signature Page to Transfer, Voting and Registration Rights Agreement] B-12

Exhibit A

ARTICLE I

ADDITIONAL DEFINITIONS

Section 1.01. . Capitalized terms used but not defined herein shall
have the meanings set forth in the Agreement; Sections and Articles referenced herein are references to the Sections and Articles of this Exhibit except as otherwise expressly indicated. As used in and for purposes of this Exhibit A, the following
terms have the following meanings:

“” means a Form S-3
providing for an offering to be made on a continuous basis pursuant to Rule 415 under the Securities Act.

“” means an “automatic shelf registration statement” as defined in Rule 405 promulgated under the Securities Act.

“” has the meaning set forth in Section 2.02(a).

“” means a registration as set forth in Section 2.02(a).

“” has the meaning set forth in Section 2.02(a).

“” means the Financial Industry Regulatory Authority.

“” has the meaning set forth in Section 2.11(c).

“” has the meaning set forth in Section 2.11(a).

“” has the meaning set forth in Section 2.11(c).

“” has the meaning set forth in Section 2.06(a)(viii).

“” means an Underwritten Offering that involves (i) one-on-one meetings or calls