Company: CCNE
Filing Date: 2025-03-03
Form Type: S-4/A
Source: 0001193125-25-044149
Chunk: 379

Company: CNB FINANCIAL CORP/PA
Filing Date: 2025-03-03
Form: S-4/A
Chunk 379
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, the parties hereto have executed and delivered this Agreement as of the date first written above.

| ESSA BANCORP, INC. |
| By:                |
| Name:              |
| Title:             |
| SHAREHOLDER        |
| Name:              |

[Signature Page to Voting Agreement]

### EXHIBIT ANAME AND ADDRESSOF SHAREHOLDERSHARES OF CNB COMMON STOCK BENEFICIALLY OWNED
<div align='center'>**ANNEX B

OPINION OF PIPER SANDLER & CO.

B-1**</div>

| 1251 AVENUE OF THE AMERICAS, 6TH FLOOR  NEW YORK, NY 10020  P 212 466-7800 | TF 800 635-6851  Piper Sandler & Co. Since 1895.  Member SIPC and NYSE. |

January 9, 2024 Board of Directors CNB Financial Corporation 1 South Second Street P.O. Box 42 Clearfield, PA 16830 Ladies and Gentlemen: CNB Financial Corporation (“ CNB”), CNB Bank, a wholly-owned subsidiary of CNB (“ CNB Bank”), ESSA Bancorp, Inc. (“ ESSA”) and ESSA Bank & Trust, a wholly-owned subsidiary of ESSA (“ ESSA Bank”), are proposing to enter into an Agreement and Plan of Merger (the “ Agreement”) pursuant to which ESSA will merge with and into CNB with CNB as the surviving entity (the “ Merger”) and immediately thereafter, ESSA Bank will merge with and into CNB Bank, with CNB Bank surviving. As set forth in the Agreement, each share of ESSA Stock issued and outstanding immediately prior to the Effective Time (other than certain shares of ESSA Stock as set forth in the Agreement) shall become and be converted into the right to receive 0.8547 shares of CNB Stock (the “ Merger Consideration”). Capitalized terms used herein without definition shall have the meanings ascribed thereto in the Agreement. You have requested our opinion as to the fairness, from a financial point of view, of the Merger Consideration to CNB. Piper Sandler & Co. (“ Piper Sandler”, “ we” or “ our”), as part of its investment banking business, is regularly engaged in the valuation of financial institutions and their securities in connection with mergers and acquisitions and