Company: STBA
Filing Date: 2025-03-31
Form Type: DEF 14A
Source: 0001193125-25-068253
Chunk: 17

Company: S&T BANCORP INC
Filing Date: 2025-03-31
Form: DEF 14A
Chunk 17
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 N.A., from January 2018 until it was acquired by S&T in November 2019. Mr. Barsz serves as the appointed Treasurer and has served as the Finance Director of several municipalities in Chester and Delaware counties and is currently serving as Chairman of the Pennsylvania State Tax Equalization Board, an independent agency of the Commonwealth tasked with obtaining information on real estate sales throughout the state. Mr. Barsz also received an appointment by the Pennsylvania Legislature and is currently serving as a public member on the Legislative Audit Advisory Committee for the current and past three Legislative Sessions of the General Assembly. Mr. Barsz previously served as a director of two real estate holding companies located in Media, Pennsylvania as well as the Treasurer of the Foundation of the Delaware County Chamber of Commerce. Mr. Barsz was recently appointed by the Delaware County Court of Common Pleas to act as the Independent Trustee of a Family Trust. Experience and Qualifications Mr. Barsz’s extensive experience in accounting and providing management and financial consulting services to governmental and nonprofit entities, his deep community engagement, as well as his broad financial perspective qualify him to serve on the Audit Committee as an “audit committee financial expert” and on the S&T Board. S&T Bancorp, Inc.| 2025 Proxy Statement | 9

Proposal 1: Election of Directors

| Christina A. Cassotis, Age 60 |     |                                                                                |
| Director since 2017           |     | Committees: • Audit • Compensation & Benefits (Chairperson) • Executive • Risk |

Biographical Information Ms. Cassotis has been the chief executive officer of the Allegheny County Airport Authority, which operates Pittsburgh International Airport and Allegheny County Airport since January 2015. Prior to that, Ms. Cassotis joined SH&E, Inc. in 1999, a global commercial aviation consulting firm, where she advised airports worldwide on strategy, business, and system planning. She went on to serve as managing officer for Airport Services for ICF-SH&Efrom 2007 to 2014, leading a global team of airport consultants. She also serves as a member of the board for the U.S. Travel Association, a member of the Board at the Federal Reserve Bank of Cleveland (Pittsburgh Branch) and a member of the International Aviation Women’s Association. Ms. Cassotis served as a director of EQT Corporation from October 2018 until July 2019. Experience and Qualifications Ms. Cassotis