Company: OSBC
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001104659-25-045103
Chunk: 133

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-06
Form: S-4/A
Chunk 133
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 ​ | ​ | ​ | ​                  | ​ |  2,153 | ​ | ​ |
| Total transaction accounting adjustments to allowance for credit losses                                  | ​ | ​ | ​            | $ |   7,501 | ​ | ​ | ​ | ​                  | ​ |  3,301 | ​ | ​ |

(E) Provision for estimated lifetime credit losses for non-PCD loans of $14.1 million to be recorded immediately following the consummation of the merger, which includes $2.2 million of estimated lifetime credit losses related to non-PCD solar portfolio loans. (F) Adjustment to record an estimated goodwill associated with the merger of $50.6 million. (G) Adjustment to record an estimated core deposit intangible of $8.9 million associated with the merger. (H) Adjustments to deferred tax assets to reflect the effects of the acquisition accounting adjustments, the $14.1 million provision for credit losses for non-PCD loans and $7.0 million of estimated merger expenses. The tax effect of acquisition related adjustments is calculated at a 21% tax rate. (I) Adjustment to reflect preliminary estimate of fair value of interest-bearing deposits with maturities of $210,000 and payoff of $149.7 million in brokered deposits. (J) Adjustments to deferred tax liabilities to reflect the deferred tax effects of the $8.9 million of core deposit intangible. The tax effect of acquisition related adjustments is calculated at a 21% tax rate. (K) Adjustments to other liabilities to reflect estimated accruals for merger-related professional, legal, and other contractually obligated merger expenses expected to be incurred.

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TABLE OF CONTENTS

(L)

Adjustment of $(2.8 million) to eliminate historical Bancorp Financial common stock and to record the issuance of 8.1 million shares of newly issued Old Second common stock, at $1.00 par value per share, at a historical cost of $133.8 million, to holders of Bancorp Financial common stock, based on 3,139,058 shares of Bancorp Financial common stock outstanding on March 14, 2025, multiplied by the exchange ratio of 2.5814 shares of Old Second common stock for each share of Bancorp Financial common stock.

(M)

Adjustment to eliminate Bancorp Financial additional paid-in capital of $47.3 million and to reflect the issuance of Old Second common stock in excess of par value of $125.7