X0508 4 2024-05-14 0000719220 S&T BANCORP INC STBA 0002008599 Ramachandran Bhaskar 800 PHILADELPHIA STREET INDIANA PA 15701 1 0 Common Stock 2024-05-14 4 M 0 487 31.80 A 487 D Director Restricted Stock Units 2024-05-14 4 M 0 487 0 D Common Stock 487 0 D Director Restricted Stock Units 2024-05-14 4 A 0 1573 0 A Common Stock 1573 1573 D Upon vest, automatically converts into equal number of shares of common stock. Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp, Inc. common stock. The Registrant awarded a grant to the new director appointed on January 24, 2024. The restricted stock units will vest on May 14, 2024. Vested shares will be delivered to the reporting person upon vesting. The restricted stock units vest in 364 days from date of issuance. Vested shares will be delivered to the reporting person upon vesting. /s/ Susan L. Rager-Parr, attorney-in-fact for Bhaskar Ramachandran 2024-05-15