Company: OSBC
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001104659-25-045103
Chunk: 120

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-06
Form: S-4/A
Chunk 120
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 are controlled by one or more U.S. persons and which is subject to the primary supervision of a U.S. court, or (b) that validly has elected under applicable Treasury regulations to be treated as a U.S. person for U.S. federal income tax purposes.

If a partnership (including any entity or arrangement that is treated as a partnership for U.S. federal income tax purposes) holds Bancorp Financial common stock, the tax treatment of a partner generally will depend on the status of the partners and the activities of the partnership. Any such partnerships and partners in such a partnership should consult their tax advisers about the tax consequences of the merger to them.

#### In General
The merger will qualify as a “reorganization” within the meaning of Section 368(a) of the Code. Consummation of the merger is conditioned upon Old Second receiving an opinion from its legal counsel, Nelson Mullins Riley & Scarborough LLP, and upon Bancorp Financial receiving an opinion from its tax advisor, Vedder Price P.C., each in form reasonably satisfactory to such recipient, dated as of the closing

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date, both to the effect that, based upon facts, representations and assumptions set forth in such opinions, (i) the merger will be treated for federal income tax purposes as a reorganization within the meaning of Section 368(a) of the Code, and (ii) Old Second and Bancorp Financial will each be a party to that reorganization within the meaning of Section 368(b) of the Code.

The opinions described in the preceding paragraph is and will be based on, among other things, representation letters from each of Old Second or Bancorp Financial, in each case in form and substance reasonably satisfactory to such counsel or tax advisor, as applicable, and on customary factual assumptions, including, but not limited to, the assumption that the merger will be consummated in accordance with the terms of the merger agreement. If any of the representations or assumptions upon which those opinions are based is incorrect or incomplete, the validity of the opinions may be affected and the tax consequences of the merger could differ from those described in this proxy statement/prospectus. None of these opinions of counsel, including the opinions delivered in connection with the filing of this Registration Statement on Form S-4 of which this proxy statement/prospectus forms a part, is binding on the IRS or any court. No ruling has been, or will be, sought from the IRS by Old Second or Bancorp Financial