Company: CCNE
Filing Date: 2025-03-05
Form Type: 424B3
Source: 0001193125-25-047258
Chunk: 27

Company: CNB FINANCIAL CORP/PA
Filing Date: 2025-03-05
Form: 424B3
Chunk 27
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stentions will be counted for purposes of determining whether a quorum is present. Assuming a quorum is present at the ESSA special meeting, approval of each of the ESSA merger proposal, the ESSA compensation proposal and the ESSA adjournment proposal requires the affirmative vote of a majority of the votes cast on such proposal.

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Abstentions and broker non-votes will have no effect on any of the
proposals.

Share Ownership of Management; Voting Agreements(Page 107)

As of the record date, the directors and executive officers of ESSA collectively held 786,575 shares of ESSA common stock, which represented approximately
7.75% of the outstanding shares of ESSA common stock.

Each of the directors and executive officers of ESSA have entered into a voting agreement with CNB,
requiring each of them to vote all shares of ESSA common stock beneficially owned by such person in favor of the ESSA merger proposal.

The Merger and the Merger Agreement

The terms and conditions of the merger are contained in the merger agreement, a copy of which is attached
as to this joint proxy statement/prospectus. You are encouraged to read the merger agreement carefully, and in its entirety, as it is the primary legal document that governs the proposed merger.

Pursuant to the terms and subject to the conditions set forth in the merger agreement, at the effective time of the merger, ESSA will merge with and into CNB,
with CNB as the surviving entity. Immediately thereafter, ESSA Bank will merge with and into CNB Bank, with CNB Bank as the surviving bank (the “bank merger”). Following the merger, ESSA common stock will be delisted from NASDAQ, will be
deregistered under the Securities Exchange Act of 1934, as amended (the “Exchange Act”) and will cease to be publicly traded.

Structure of the Merger(Page 156)

In the
proposed merger, (i) ESSA will merge with and into CNB, with CNB as the surviving entity, and (ii) ESSA Bank will merge with and into CNB Bank, with CNB Bank as the surviving entity. Shares of CNB will continue to trade on NASDAQ under the
symbol “CCNE.” Upon completion of the merger, the separate existences of ESSA and ESSA Bank will terminate.

Consideration to be Received in the