Company: CCNE
Filing Date: 2025-03-05
Form Type: 424B3
Source: 0001193125-25-047258
Chunk: 210

Company: CNB FINANCIAL CORP/PA
Filing Date: 2025-03-05
Form: 424B3
Chunk 210
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 or (v) a material delay of the                        
 approval or completion of the merger, in each case, except as may be required by applicable law or regulation;                                                                                                                               |

162

| • |     | grant, issue, deliver or sell any additional shares of capital stock or rights; provided, however, that CNB may                                                                                                                                 
 (i) grant equity awards pursuant to its employee benefit plans as required by any CNB employee benefit plan or in the ordinary course consistent with past practice, (ii) issue capital stock upon the vesting or exercise of any equity awards 
 granted pursuant to a CNB employee benefits plan outstanding as of the date of the merger agreement in accordance with the terms and conditions thereof as in effect on that date, including in connection with “net settling” any outstanding  
 awards, and (iii) issue CNB capital stock in connection with the transactions contemplated by the merger agreement;                                                                                                                             |

| • |     | other than in the ordinary course of business consistent with past practice or in connection with the                                                                                                                                                  
 transactions contemplated by the merger agreement, make, declare, pay or set aside for payment any cash or stock dividend on or in respect of, or declare or make any distribution on any shares of CNB common stock or directly or indirectly adjust, 
 split, combine, redeem, reclassify, purchase or otherwise acquire any shares of its capital stock, or change its record date for payment of its quarterly cash dividend from the record date established in the prior year’s quarter in a manner       
 that is inconsistent with past practice;                                                                                                                                                                                                               |

| • |     | amend its articles of incorporation or bylaws in a manner that would materially and adversely affect the holders 
 of ESSA common stock, as prospective holders of CNB common stock, relative to other holders of CNB common stock; |

| • |     | enter into any contract with respect to, or otherwise agree or commit to do, any of these prohibited activities. |

CNB Shareholder Meeting CNB 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 issuance of CNB common stock in connection with the merger 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 CNB. Additionally, the CNB Board of Directors has agreed to recommend that its shareholders vote to approve the