Company: ASB
Filing Date: 2025-12-04
Form Type: 425
Source: 0001193125-25-307510
Chunk: 117

Company: ASSOCIATED BANC-CORP
Filing Date: 2025-12-04
Form: 425
Chunk 117
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 duly
given (a) on the date of delivery if delivered personally, or if by e-mail ( that no notice is received by the e-mail sender within twelve
(12) hours thereafter indicating that such e-mail was undeliverable or otherwise not delivered), (b) on the first (1st) business day following the date of dispatch if delivered utilizing a next-day service by a recognized next-day courier or (c) on the earlier of confirmed receipt or the fifth (5th) business day following the date of mailing if delivered by
registered or certified mail, return receipt requested, postage prepaid. All notices hereunder shall be delivered (a) if to Parent, to the addresses set forth below, or (b) if to any Shareholder, to the address set forth on the signature
page of such Shareholder, or with respect to Parent or any Shareholder pursuant to such other instructions as may be designated in writing by the party to receive such notice.

If to Parent, to:

Associated
Banc-Corp

433 Main Street

Green Bay, Wisconsin 54301

Attention: Randall J. Erickson

E-mail: Randy.Erickson@associatedbank.com

With a copy (which shall not constitute notice) to:

Wachtell, Lipton, Rosen & Katz

51 West 52nd Street

New York, NY
10019

Attention: Nicholas G. Demmo

E-mail: NGDemmo@wlrk.com

Section 4.12 . Section 9.10 of the Merger Agreement is
incorporated herein by reference.

Section 4.13 . Section 9.6 of the Merger Agreement is incorporated
herein by reference. The parties hereto acknowledge that each party and its attorney have reviewed this Agreement and that any rule of construction to the effect that any ambiguities are to be resolved against the drafting party, or any similar rule
operating against the drafter of an agreement, shall not be applicable to the construction or interpretation of this Agreement.

[Signature
pages follow]

-8-

IN WITNESS WHEREOF, the parties hereto have executed this Transfer, Voting and Registration Rights Agreement as of the date first written above.

| ASSOCIATED BANC-CORP |     |                                       |
| By:                  |     | /s/ Andrew J. Harmening               |
|                      |     | ANDREW J. HARMENING                   |
|                      |     | President and Chief Executive Officer |

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