Company: STBA
Filing Date: 2025-03-31
Form Type: DEF 14A
Source: 0001193125-25-068253
Chunk: 8

Company: S&T BANCORP INC
Filing Date: 2025-03-31
Form: DEF 14A
Chunk 8
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 copy of the proxy materials, you may vote by proxy by telephone, using the Internet or by mailing your proxy card, as further described below. You may also vote electronically during the virtual Annual Meeting if you participate.

| By Telephone:                                                                                                         |     | By Internet:                                                                                                 |     | By Mail:                                                                     |
| Call the toll-free telephone number on the enclosed proxy card (1-800-690-6903) and follow the recorded instructions. |     | Access the secure Internet website registration page on the enclosed proxy card and follow the instructions. |     | Sign, date and return your proxy card in the postage-paid envelope provided. |

If you vote by proxy via telephone or the Internet, you do not need to mail your proxy card. The individuals named as proxies on your proxy card will vote your shares of Common Stock during the Annual Meeting as instructed by the latest dated proxy received from you, whether submitted via the Internet, telephone or mail. If you sign your proxy card but do not specify how you want your shares voted on any matter, you will be deemed to have directed the proxies to vote your shares as recommended by the S&T Board. Beneficial Owners.If your shares of Common Stock are held in a stock brokerage account by a bank, broker or other nominee, you are considered the beneficial owner of shares held in street name and these proxy materials 2| S&T Bancorp, Inc.| 2025 Proxy Statement

Meeting Information

**are being forwarded to you by your bank, broker or other nominee that is considered the shareholder of record of those shares.

As the beneficial owner, you have the right to direct your bank, broker or other nominee on how to vote your shares of Common Stock via the Internet or by telephone, if the bank, broker or other nominee offers these options, or by completing, signing, dating and returning a voting instruction form. Your bank, broker, or other nominee will send you instructions on how to submit your voting instructions for your shares of Common Stock.

If you properly complete, sign, date and return the voting instruction form, your shares of Common Stock will be voted as you specify. If you are a beneficial owner and you do not provide voting instructions to your bank, broker or other nominee holding shares of Common Stock for you, your shares of Common Stock will not be voted with respect to any proposal for which the shareholder of record does not have discretionary authority to vote.

Except for procedural matters incident to the conduct of the Annual Meeting, S&T does not know of any matters other