Company: STBA
Filing Date: 2025-03-31
Form Type: DEF 14A
Source: 0001193125-25-068253
Chunk: 16

Company: S&T BANCORP INC
Filing Date: 2025-03-31
Form: DEF 14A
Chunk 16
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 he is currently General Counsel to Alpha Phi Alpha Homes, Inc. He also serves as lead counsel for a number of public and private entities including Ohio’s largest banking institution, a regional public hospital and two of Ohio’s largest school districts. Mr. Adkins’ expansive business and legal knowledge and his community leadership provide the S&T Board with public finance, business development, and strategic management experience which qualifies him to serve on the S&T Board. 8| S&T Bancorp, Inc.| 2025 Proxy Statement

Proposal 1: Election of Directors

| David G. Antolik, Age 58      |
| Director since 2019 President |

Biographical Information Mr. Antolik has been President of S&T and S&T Bank since January 2019. He was Interim Chief Executive Officer and President from April 1, 2021 to August 23, 2021. Mr. Antolik was Chief Lending Officer of S&T and S&T Bank from 2008 to October 2020. He previously served as Senior Executive Vice President of S&T and S&T Bank from 2008 until January 2019. Mr. Antolik also serves as the chairman of the IUP Research Institute and is a member of the Indiana County Development Corporation Board. Experience and Qualifications With 36 years of banking experience, including 17 years of senior management experience at S&T, Mr. Antolik’s strong leadership capabilities and in-depthindustry experience in commercial banking and implementing strategic initiatives provide the S&T Board with expertise that will contribute to the strategic growth of S&T. As our past Interim Chief Executive Officer and current President, Mr. Antolik provides unique insight to the S&T Board regarding our day-to-dayoperations, customer information, competitive intelligence, general trends in national and local banking and issues regarding our financial results.

| Peter R. Barsz, Age 68 |     |                                                      |
| Director since 2019    |     | Committees: • Audit • Compensation & Benefits • Risk |

Biographical Information Mr. Barsz is a Certified Public Accountant and has been a Partner at Barsz Gowie Amon & Fultz, LLC, an accounting firm, since July 2017 when Steger Gowie & Company merged with Merves Amon & Barsz LLC where Mr. Barsz became a partner in 1990. Mr. Barsz previously served on the board of DNB, the holding company for DNB First,