Company: ONBPP
Filing Date: 2025-02-03
Form Type: 424B3
Source: 0001104659-25-008430
Chunk: 8

Company: OLD NATIONAL BANCORP /IN/
Filing Date: 2025-02-03
Form: 424B3
Chunk 8
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/prospectus to you because it is a proxy statement being used by the Bremer board of directors to solicit proxies of Bremer shareholders in connection with approval and adoption of the merger agreement. It describes the proposals to be presented at the Bremer special meeting of shareholders (the “special meeting” or the “Bremer special meeting”).

This document is also a prospectus that is being delivered to Bremer shareholders because, in connection with the mergers, Old National will issue to Bremer shareholders shares of Old National common stock as merger consideration.

This proxy statement/prospectus contains important information about the merger agreement, the mergers and other related matters, the proposals being voted on at the Bremer special meeting and important information to consider in connection with an investment in Old National common stock. You should read it carefully and in its entirety. The enclosed materials allow you to have your shares of Bremer common stock voted by proxy without attending the Bremer special meeting. Your vote is important, and we encourage you to submit your proxy as soon as possible, whether or not you intend to attend the Bremer special meeting.

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TABLE OF CONTENTS

Q:

What are Bremer shareholders being asked to vote on at the Bremer special meeting?

A:

The Bremer board of directors is soliciting proxies from Bremer’s shareholders with respect to the following proposals:

#### •

a proposal to approve and adopt the merger agreement (the “merger proposal”); and

#### •

a proposal to adjourn the Bremer special meeting, if necessary or appropriate (the “adjournment proposal”).

Q:

What will Bremer shareholders receive in the mergers?

A:

Under the terms and subject to the conditions set forth in the merger agreement, Bremer shareholders will receive cash and Old National common stock for each of their shares of Bremer Class A common stock and Bremer Class B common stock (together, the “Bremer common stock”). At the effective time of the first step merger, each outstanding share of Bremer common stock (except for dissenting shares, shares of treasury stock or shares owned by Bremer, Old National or ONB Merger Sub, in each case other than shares held in trust accounts, managed accounts, mutual funds and the like, or otherwise held in a fiduciary or agency capacity that are beneficially owned by third parties, or held, directly or indirectly, as a result of debts previously contracted) will be converted into the right to receive (i