Company: OSBC
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001104659-25-045103
Chunk: 93

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-06
Form: S-4/A
Chunk 93
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 Culver-Stockton College. He brings to the Old Second board extensive experience in bank management, regulatory matters, and community banking.

Subject to and upon consummation of the merger, Mr. Campbell will be appointed to the Old Second board of directors as a Class I director. Old Second has agreed to nominate Mr. Campbell to stand for election for a three-year term as a Class I director at the 2026 annual meeting of the stockholders of Old Second.

There are no arrangements or understandings between Mr. Campbell and any other person pursuant to which he is being appointed as a director of Old Second. There are no transactions between Mr. Campbell and Old Second that would require disclosure under Item 404(a) of Regulation S-K.

#### Regulatory Approvals Required for the Merger
Completion of the merger and the bank merger is subject to the receipt of all required regulatory approvals, including approvals from the Federal Reserve Board and the OCC. Subject to the terms and conditions of the merger agreement, Old Second and Bancorp Financial have agreed to use their reasonable best efforts to prepare and file all necessary documentation and applications and to obtain the required approvals as promptly as practicable.

Under the merger agreement, neither Old Second nor Bancorp Financial is required to take, or commit to take (or refrain from taking), any action or agree to any condition or restriction in connection with obtaining regulatory approvals or resolving objections raised by a regulatory authority if doing so would reasonably be expected to result in a materially burdensome regulatory condition. A “materially burdensome regulatory condition” includes any condition or restriction that would (i) reasonably be expected to have a material and adverse impact on the benefits Old Second expects to derive from the merger, or (ii) reasonably be expected to have a material adverse effect on the surviving entity and its subsidiaries, taken as a whole, after giving effect to the merger and the bank merger.

#### Federal Reserve Board
Completion of the merger is subject, among other things, to approval by the Federal Reserve Board pursuant to Section 3 of the Bank Holding Company Act of 1956, which we refer to as the “BHC Act.” In evaluating an application under Section 3 of the BHC Act, the Federal Reserve Board considers several

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statutory factors. These include the competitive effects of the proposed transaction; the financial and managerial resources and future prospects of the bank holding companies and banks involved; and the convenience and needs of the communities to be served. In assessing financial