Company: CCNE
Filing Date: 2025-03-05
Form Type: 424B3
Source: 0001193125-25-047258
Chunk: 179

Company: CNB FINANCIAL CORP/PA
Filing Date: 2025-03-05
Form: 424B3
Chunk 179
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 providing various commercial banking services to ESSA Bank and CNB Bank and providing 141

a 364-day revolving credit facility to CNB which has been renewed annually. PNC Capital Markets LLC and its affiliates may from time to time purchase
securities from, and sell securities to, ESSA Bank and CNB Bank. In the future, PNC Financial may pursue opportunities to provide financial services to ESSA or CNB, including the provision of investment banking or other consulting services by
PNC Capital Markets LLC.

PNC FIG Advisory’s fairness committee approved the issuance of PNC FIG Advisory’s opinion letter dated January 9,
2025.

Certain Unaudited Prospective Financial Information of CNB

CNB does not as a matter of course make public long-term projections as to future revenues, earnings or other results due to, among other reasons, the inherent
uncertainty of the underlying assumptions and estimates. However, in connection with the merger, CNB’s management prepared and provided to the CNB Board of Directors in connection with its evaluation of the transaction, and to its financial
advisor Piper Sandler, including in connection with Piper Sandler’s financial analyses described above under the section entitled “ —Opinion of CNB’s Financial Advisor,” certain unaudited prospective financial information
regarding CNB’s operations described below (the “CNB Projections”). The below summary of the CNB Projections is included for the purpose of providing CNB and ESSA shareholders access to certain nonpublic information that was furnished
to certain parties in connection with the merger, and such information may not be appropriate for other purposes and is not included to influence the voting decision of any CNB or ESSA shareholder.

CNB’s unaudited prospective financial information was not prepared with a view toward public disclosure, nor was it prepared with a view toward
compliance with published guidelines of the SEC or the guidelines established by the American Institute of Certified Public Accountants for preparation and presentation of prospective financial information. The inclusion of this unaudited
prospective financial information should not be regarded as an indication that such information is necessarily predictive of actual future events or results and such information should not be relied upon as such, and readers of this joint proxy
statement/prospectus are cautioned not to place undue reliance on the unaudited prospective financial information. The unaudited prospective financial information included in this joint proxy statement/prospectus has been prepared by, and is the
responsibility of, CNB management.