Company: OSBC
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001104659-25-045103
Chunk: 379

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-06
Form: S-4/A
Chunk 379
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 of their subsidiaries and affiliates. As used in Section 7 through 15 below, references to the “Company” include the Company, the Bank, and each of their respective subsidiaries and affiliates.

7.

#### Non-Disclosure of Confidential Information.
The Executive hereby acknowledges that during the course of the Executive’s employment by and service with the Company, the Executive will learn or develop Confidential Information (as defined below) of the Company and the Bank in trust and confidence. The Executive acknowledges that unauthorized disclosure or use of Confidential Information, other than in the discharge of the Executive’s duties, will cause the Company irreparable harm. In order to protect these legitimate interests of the Company, the Executive agrees to the following terms hereof:

a. For purposes of this Agreement, the term “

#### Confidential Information
” means the Company’s and the Bank’s pricing systems, product profit margins, customer information (including bank statements, accounts, account analyses, contractual agreements, investment history, and preferences), marketing strategies or techniques, distribution systems and networks, manufacturer and dealer information and networks (in the case of consumer loans), supplier information (including identity and contract arrangements), product content, product mix, product research and development efforts, software, inventions, planned Bank or Company investment products, acquisition or divestitures, non-public financial information (including projections), project reports, personnel information (other than about the Executive), non-public information regarding the business and services of the Company and/or the Bank, and non-public information from or about the Company’s and/or the Bank’s customers or suppliers that the Company’s customers or suppliers expressly wish, or may reasonably expect, to be kept confidential. The term Confidential Information also includes any information to which the Executive had access by reason of the Executive’s employment with the Company or its predecessors and which meets the definition of “trade secret” as set forth in the Illinois Trade Secrets Act, 765 ILCS 1065/1, et seq., and/or the Defend Trade Secrets Act, 18 U.S.C. §1839 (“

#### Company Trade Secrets
”). The Executive acknowledges and agrees to ask the Company for clarification about what constitutes Confidential Information if, at any time, the Executive is uncertain about whether any particular information is intended to be protected hereunder. The term Confidential Information shall not include any information which the Executive establishes by a preponderance of evidence (i) was publicly known or made generally available to the public prior to the time of disclosure to the Executive; or (ii) becomes publicly known or made