Company: CCNE
Filing Date: 2025-04-15
Form Type: S-8
Source: 0001193125-25-081506
Chunk: 5

Company: CNB FINANCIAL CORP/PA
Filing Date: 2025-04-15
Form: S-8
Chunk 5
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igned, thereunto duly authorized, in the City of Clearfield, Commonwealth of Pennsylvania, on April 15, 2025.

| CNB FINANCIAL CORPORATION |     |                                        |
| By:                       |     | /s/ Michael D. Peduzzi                 |
|                           |     | Michael D. Peduzzi President and Chief 
 Executive Officer                      |

POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Michael D. Peduzzi and Tito L. Lima, and each of them, his or her true and lawful attorneys-in-fact andagents, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this registration statement, and to file the same, with all exhibits thereto and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact andagents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact andagents or any of them, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue thereof. Pursuant to the requirements of the Securities Act of 1933, as amended, this registration statement has been signed below by the following persons in the capacities and on the dates indicated.

| Signature                
 /s/ Michael D. Peduzzi   |     | Title                                                          
 President, Chief Executive Officer and Director                
 (Principal Executive Officer)                                  |     | Date           
 April 15, 2025 |
|:-------------------------|:----|:---------------------------------------------------------------|:----|:---------------|
| Michael D. Peduzzi       |     |                                                                |     |                |
| /s/ Tito L. Lima         |     | Chief Financial Officer and Treasurer                          
 (Principal Financial Officer and Principal Accounting Officer) |     | April 15, 2025 |
| Tito L. Lima             |     |                                                                |     |                |
| /s/ Jeffrey S. Powell    |     | Chairman of the Board of Directors                             |     | April 15, 2025 |
| Jeffrey S. Powell        |