Company: ONBPP
Filing Date: 2025-01-29
Form Type: S-4/A
Source: 0001104659-25-007256
Chunk: 8

Company: OLD NATIONAL BANCORP /IN/
Filing Date: 2025-01-29
Form: S-4/A
Chunk 8
---
 the MBCA are attached as Annex E to the proxy statement/prospectus.

The Bremer board of directors has unanimously determined and declared that the merger agreement, the mergers and the transactions contemplated by the merger agreement are advisable and in the best interests of Bremer and its shareholders, has unanimously approved and adopted the merger agreement, the mergers, and the transactions contemplated by the merger agreement, and unanimously recommends that Bremer shareholders vote “FOR” the proposal to approve and adopt the merger agreement and “FOR” the proposal to adjourn the Bremer special meeting, if necessary or appropriate.

[ ], 2025

By Order of the Board of Directors

Amy J. Dorn 
 Corporate Secretary 
 Bremer Financial Corporation

TABLE OF CONTENTS

### ADDITIONAL INFORMATION
This proxy statement/prospectus incorporates important business and financial information about Old National from documents filed with the U.S. Securities and Exchange Commission (the “SEC”) that are not included in or delivered with this proxy statement/prospectus. You can obtain any of the documents, including documents incorporated by reference in this proxy statement/prospectus, filed with or furnished to the SEC by Old National at no cost from the SEC’s website at www.sec.gov . You may also request copies of these documents at no cost by requesting them in writing or by telephone at the appropriate address below:

<div align='center'>Old National Bancorp 
 One Main Street 
 Evansville, Indiana 47708 
 Attention: Nicholas J. Chulos, Executive Vice President, Chief Legal Officer and Corporate Secretary 
 (773) 765-7675</div>

You will not be charged for any of these documents that you request. To obtain timely delivery of these documents, Bremer shareholders must request them no later than five business days before the date of the Bremer special meeting. This means that Bremer shareholders requesting documents must do so by February 28, 2025.

You should rely only on the information contained in, or incorporated by reference into, this proxy statement/prospectus. No one has been authorized to provide you with information that is different from that contained in, or incorporated by reference into, this proxy statement/prospectus. You should assume that the information in this proxy statement/prospectus is accurate only as of the date of this proxy statement/ prospectus. You should assume that the information incorporated by reference to another document into this proxy statement/prospectus is accurate as of the date of such document. Neither the mailing of this proxy statement/prospectus to