Company: OSBC
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001104659-25-045103
Chunk: 252

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-06
Form: S-4/A
Chunk 252
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 of such Subsidiary or any securities representing the right to purchase or otherwise receive any shares of capital stock or any other equity security of such Subsidiary.

<div align='center'>A-8</div>

TABLE OF CONTENTS

4.3

#### Authority; No Violation
.

(a) Authority . Company has full corporate power and authority to execute and deliver this Agreement and, subject to the stockholder and regulatory approvals and other actions described herein, to consummate the transactions contemplated hereby. The execution and delivery of this Agreement and the consummation of the Merger have been duly and validly approved by the Board of Directors of Company. The Board of Directors of Company has determined that the Merger, on the terms and conditions set forth in this Agreement, is advisable and in the best interests of Company and its stockholders, has adopted and approved this Agreement and the transactions contemplated hereby (including the Merger), and has directed that this Agreement be submitted to Company Stockholders for approval at a meeting of such stockholders and has adopted a resolution to the foregoing effect. Except for the adoption and approval of this Agreement by the affirmative vote of a majority of all the votes entitled to be cast on this Agreement by holders of Company Common Stock (the “ Requisite Company Vote ”), and the adoption and approval of the Bank Merger Agreement by Company as Company Bank’s sole shareholder, no other corporate proceedings on the part of Company are necessary to approve this Agreement or to consummate the transactions contemplated hereby. This Agreement has been duly and validly executed and delivered by Company and (assuming due authorization, execution and delivery by Buyer) constitutes a valid and binding obligation of Company, enforceable against Company in accordance with its terms (except in all cases as such enforceability may be limited by bankruptcy, insolvency, moratorium, reorganization or similar Laws of general applicability affecting the rights of creditors generally and the availability of equitable remedies (the “ Enforceability Exceptions ”)).

(b) No Conflicts . Neither the execution and delivery of this Agreement by Company, nor the consummation by Company of the transactions contemplated by this Agreement (including the Merger and the Bank Merger), nor compliance by Company with any of the terms or provisions of this Agreement, will (i) violate any provision of the Company’s Charter Documents or (ii) assuming that the consents and approvals referred to in Section 4.4 and Section 5.4 are duly obtained, (x) violate any Law, statute, code, ordinance