Company: ASB
Filing Date: 2025-12-30
Form Type: S-4
Source: 0001193125-25-337086
Chunk: 187

Company: ASSOCIATED BANC-CORP
Filing Date: 2025-12-30
Form: S-4
Chunk 187
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 the fact that any signature or agreement or
instrument was transmitted or communicated through e-mail delivery of a “.pdf” format data file as a defense to the formation of a contract and each party hereto forever waives any such
defense.

[Signature Page Follows]

A-53

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed by their respective officers thereunto duly authorized as of the date first above written.

| ASSOCIATED BANC-CORP                                                                                                                             |     |                                              |
| By:                                                                                                                                              |     | /s/ Andrew J. Harmening                      |
|                                                                                                                                                  |     | Name: Andrew J. Harmening                    |
|                                                                                                                                                  |     | Title: President and Chief Executive Officer |
| AMERICAN NATIONAL CORPORATION, a Nebraska corporation and bank holding company registered under the Bank Holding Company Act of 1956, as amended |     |                                              |
| By:                                                                                                                                              |     | /s/ John F. Kotouc                           |
|                                                                                                                                                  |     | Name: John F. Kotouc                         |
|                                                                                                                                                  |     | Title: Co-Chief Executive Officer            |
| By:                                                                                                                                              |     | /s/ Dianne S. Lozier                         |
|                                                                                                                                                  |     | Name: Dianne S. Lozier                       |
|                                                                                                                                                  |     | Title: Co-Chief Executive Officer            |

A-54

Annex B

Execution Version

TRANSFER, VOTING AND REGISTRATION RIGHTS AGREEMENT

BETWEEN

ASSOCIATED BANC-CORP

AND

THE OTHER SIGNATORIES HERETO

DATED AS OF NOVEMBER 30, 2025

Table of Contents

|                        |     |                                                                        |     | Page |      |
| ARTICLE I              |     |                                                                        |     |      |      |
| DEFINITIONS            |     |                                                                        |     |      |      |
| Section 1.1            |     | Certain Defined Terms                                                  |     |      | B-1  |
| ARTICLE II             |     |                                                                        |     |      |      |
| TRANSFERS              |     |                                                                        |     |      |      |
| Section 2.1            |     | General Transfer Restrictions                                          |     |      | B-2  |
| Section 2.2            |     | Restrictions on Transfer                                               |     |      | B-3  |
| Section 2.3            |     | Permitted Transfere