Company: OSBC
Filing Date: 2025-04-23
Form Type: S-4
Source: 0001104659-25-037832
Chunk: 242

Company: OLD SECOND BANCORP INC
Filing Date: 2025-04-23
Form: S-4
Chunk 242
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 occurs (other than those conditions that by their nature are to be satisfied at the Closing, but subject to the satisfaction or waiver thereof), unless another date, time or place is agreed to in writing by Buyer and Company. The date on which the Closing occurs is referred to as the “ Closing Date .”

1.3

#### Effective Time
. On or (if agreed by Buyer and Company) prior to the Closing Date, Buyer and Company, respectively, shall cause to be filed a certificate of merger with the Secretary of State of the State of Delaware (the “ Delaware Secretary ”) in accordance with the DGCL (the “ Certificate of Merger ”). The Merger shall become effective at such time as the Certificate of Merger is accepted by the Delaware Secretary or at such other time as shall be agreed to by the Company and Buyer and specified in the Certificate of Merger. The “ Effective Time ” shall mean the date and time when the Merger becomes effective as set forth in the Certificate of Merger.

1.4

#### Charter of Surviving Entity
. At the Effective Time, the Buyer Certificate of Incorporation, as in effect immediately prior to the Effective Time shall be the certificate of incorporation of the Surviving Entity until thereafter amended in accordance with applicable Law.

1.5

#### Bylaws of Surviving Entity
. At the Effective Time, the Buyer Bylaws, as in effect immediately prior to the Effective Time, shall be the bylaws of the Surviving Entity until thereafter amended in accordance with applicable Law.

1.6

#### Directors and Officers
. Subject to Section 7.12 , the directors of Buyer in office immediately prior to the Effective Time shall serve as the directors of the Surviving Entity from and after the Effective Time in accordance with the certificate of incorporation and bylaws of the Surviving Entity. The officers of Buyer in office immediately prior to the Effective Time shall serve as the officers of the Surviving Entity from and after the Effective Time in accordance with the certificate of incorporation and bylaws of the Surviving Entity.

1.7

#### Bank Merger
. Immediately following the Merger, Evergreen Bank Group, an Illinois state-chartered bank and a wholly-owned Subsidiary of Company (“ Company Bank ”), will merge (the “ Bank Merger ”) with and into Old Second National Bank, a national banking association and a wholly-owned Subsidiary of Buyer (“ Buyer Bank ”). Buyer Bank shall be the surviving entity in the Bank Merger (the “ Surviving