Company: OSBC
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001104659-25-045103
Chunk: 126

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-06
Form: S-4/A
Chunk 126
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 are incorporated by reference into this proxy statement/prospectus, and for Bancorp Financial are included elsewhere in this proxy statement/prospectus. You should also read the accompanying Notes to the Unaudited Pro Forma Condensed Combined Balance Sheet and Income Statements.

The unaudited pro forma combined condensed consolidated financial information is presented for illustrative purposes only, and does not necessarily indicate the financial results of the combined company had Old Second and Bancorp Financial actually been combined as of the dates indicated and at the beginning of the periods presented, nor does it necessarily indicate the results of operations in future periods or the future financial position of the combined entities, which could differ materially from those shown in this information. The unaudited pro forma condensed combined financial information does not reflect the benefits of expected synergies, anticipated cost savings, or other factors that may result as a consequence of the merger. The unaudited pro forma condensed combined financial information also does not consider any potential effect of changes in market conditions or interest rates on revenues or the impact of changes in Old Second’s stock price. As explained in more detail in the accompanying notes, the preliminary allocation of the pro forma purchase price reflected in the pro forma condensed combined financial information is subject to adjustment and may vary significantly from the actual purchase price allocation that will be recorded upon completion of the merger.

As of the date of this proxy statement/prospectus, Old Second has not yet completed the valuation analysis and calculations at the level of detail required to obtain the necessary estimates of the fair market

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values of the Bancorp Financial assets to be acquired or liabilities to be assumed, other than a preliminary estimate for intangible assets and certain financial assets and liabilities. Therefore, certain Bancorp Financial assets and liabilities are presented at their respective carrying amounts and should be considered preliminary values. Final determination of the fair values of Bancorp Financial assets and liabilities will be obtained based on actual Bancorp Financial assets and liabilities as of the closing date and therefore cannot be known prior to completion of the merger.

Due to the preliminary estimates for the pro forma purchase price and valuation analysis as noted above, the pro forma adjustments presented are to be considered preliminary and subject to change as additional information becomes available, and the final closing balances are known. The preliminary pro forma adjustments have been presented solely for the purpose of providing the unaudited pro forma condensed combined financial information.

Upon completion of the merger, a final determination of the fair values of Bancorp Financial assets acquired and liabilities assumed will