Company: OSBC
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001104659-25-045103
Chunk: 328

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-06
Form: S-4/A
Chunk 328
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 increase the size of its Board of Directors by one (1) and appoint Darin Campbell (the “ Company Director ”) to serve as a Class I director of the Surviving Entity. In addition, Buyer shall nominate Darin Campbell to stand for election for a three (3) year term as a Class I director at the 2026 annual meeting of stockholders of Buyer. Effectively immediately after the Bank Merger, Buyer Bank shall increase the size of its Board of Directors by two (2) and appoint Darin Campbell and Jill Voss (the “ Company Bank Directors ”) to serve as directors of the Surviving Bank. Buyer Bank shall also nominate Darin Campbell and Jill Voss to stand for election as Company Bank Directors for a one (1) year term at its 2026 annual meeting and Buyer agrees to vote to elect Darin Campbell and Jill Voss for a one (1) year term as Company Bank Directors at such annual meeting of shareholders of Buyer Bank. The appointment of such Company Director and Company Bank Directors to the respective boards of directors of the Surviving Entity or Surviving Bank shall be subject to the respective bylaws of the Surviving Entity and Surviving Bank, and such Company Director and Company Bank Directors must (A) be reasonably acceptable to the Corporate Governance and Nominating Committee of the board of directors of the Surviving Entity and the Surviving Bank and (B) satisfy and comply with the requirements regarding service as a member of the Board of Directors of the Surviving Entity and the Surviving Bank, as provided under applicable Law and the practices and policies of such board of directors that are generally applicable to its members.

7.13

#### No Solicitation; Acquisition Proposals
.

(a) Company agrees that it will not, and will cause each of its Subsidiaries and use its reasonable best efforts to cause its and their respective officers, directors, employees, agents, financial or other advisors, investment bankers, attorneys, accountants, affiliates and other representatives (collectively, “ Representatives ”) not to, directly or indirectly, (i) initiate, solicit, or knowingly encourage or facilitate inquiries or proposals with respect to, (ii) engage or participate in any negotiations concerning, enter into any letter of intent, agreement in principle, memorandum of understanding, merger, acquisition,

<div align='center'>A-48</div>

TABLE OF CONTENTS

option, joint venture, partnership or other agreement, or any other commitment, arrangement or understanding (whether written or oral, binding or