Company: CCNE
Filing Date: 2025-03-05
Form Type: 424B3
Source: 0001193125-25-047258
Chunk: 211

Company: CNB FINANCIAL CORP/PA
Filing Date: 2025-03-05
Form: 424B3
Chunk 211
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 issuance of CNB common stock in connection with the merger and not withhold, withdraw, amend or modify such recommendation in any manner adverse to ESSA or take any other action or make any other public statement inconsistent with such recommendation, except as and to the extent expressly permitted by merger agreement. ESSA Shareholder Meeting ESSA has agreed to use its best efforts to call, hold and convene a meeting of its shareholders within 40 days after the initial mailing of this joint proxy statement/prospectus to its shareholders to consider and vote on the approval of the merger agreement and any other matters required to be approved by its shareholders in order to consummate the merger in accordance with applicable law and the charter and bylaws of ESSA. Additionally, the ESSA Board of Directors has agreed to recommend that its shareholders vote to approve the merger agreement and not withhold, withdraw, amend or modify such recommendation in any manner adverse to CNB or take any other action or make any other public statement inconsistent with such recommendation, except as and to the extent expressly permitted by merger agreement. 163

No Solicitation ESSA has agreed that neither it nor any of its respective directors, officers, employees, investment bankers, financial advisors, attorneys, accountants and other agents retained by ESSA will, directly or indirectly:

| • |     | solicit, initiate, induce or knowingly encourage or take any action to facilitate the making of, any inquiry, 
 offer or proposal which constitutes, or could reasonably be expected to lead to, an acquisition proposal;     |

| • |     | participate in any discussions or negotiations regarding any acquisition proposal or furnish, or otherwise                                      
 provide access to, any confidential or non-public information or data with respect to ESSA or otherwise relating to an acquisition proposal; or |

| • |     | release any person from, waive any provision of, or fail to enforce any confidentiality agreement or standstill 
 agreement to which ESSA is a party.                                                                             |

ESSA must immediately cease any existing discussions or negotiations with any person (other than CNB) with respect to any of the foregoing. Under the merger agreement, an “acquisition proposal” means any proposal or offer with respect to any of the following (other than the transactions contemplated thereunder):

| • |     | merger, consolidation, share exchange, business combination or other similar transactions; |

| • |     | sale, lease, exchange, mortgage, pledge, transfer or other disposition of assets and/or liabilities that                                           
 constitute a substantial