Company: OSBC
Filing Date: 2025-04-23
Form Type: S-4
Source: 0001104659-25-037832
Chunk: 391

Company: OLD SECOND BANCORP INC
Filing Date: 2025-04-23
Form: S-4
Chunk 391
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) rights of the Executive to indemnification and directors’ and officers’ insurance coverage as described in Section 19 below. The Company shall provide the release to the Executive in sufficient time so that if the Executive timely executes and returns the release, the revocation period will expire no later than sixty (60) days following the effective date of the Qualifying Termination. If the Executive fails to execute and return the release such that any revocation period does not expire on or prior to such sixtieth (60th) day, all such payments conditioned upon such release shall be forfeited. Where the foregoing sixty (60) day period spans two (2) calendar years, any payments withheld pending execution of the release and expiration of its revocation period shall not be paid prior to January 1 of the second calendar year.

<div align='center'>C-1-7</div>

TABLE OF CONTENTS

d.

#### Interrelation with CBAA
#### .

If the Executive incurs a Qualifying Termination that entitles him to Severance Benefits under this Agreement, and then later becomes entitled to “Severance Benefits” under his CBAA due to a Change in Control (“

#### CBAA Benefits
”), the parties agree that such CBAA Benefits shall be reduced by the amount of Severance Benefits that the Executive received or is entitled to receive under this Agreement. If a Change in Control occurs during the Term that entitles the Executive to CBAA Benefits upon his Qualifying Termination, the parties agree that the Executive shall be entitled solely to the CBAA Benefits, and no Severance Benefits shall be due under this Agreement. For the avoidance of doubt, in all events, the Executive shall not be entitled to receive both the full amount of Severance Benefits and the CBAA Benefits.

e.

#### Other Terminations.
In the event of any other termination of the Executive’s employment that does not qualify as a Qualifying Termination (e.g., by reason of death, disability, the Executive’s voluntary termination without Good Reason, or the involuntary termination of the Executive’s employment for Cause), the Executive shall be entitled solely to receive the benefits described in Paragraph 16(a)(i) .

### ENFORCEMENT
17. Governing Law and Submission to Jurisdiction/Venue. This Agreement shall be governed in all respects by the laws of the State of Illinois. Any disputes arising under this Agreement shall be tried in the courts sitting within the State of Illinois, and the Executive hereby consents and submits his or her person to the