| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Doliveira Stephanie Nycum | Director | 800 PHILADELPHIA ST., INDIANA | /s/ Jackie Kennane, attorney-in-fact for Stephanie Nycum Doliveira | 2025-10-30 | 0002093789 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STBA | Director Restricted Stock Units | Award | $0 | +812 | $0.00 | 812 | Oct 29, 2025 | Common Stock | 812 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp, Inc. common stock. |
| F2 | Upon vest, automatically converts into equal number of shares of common stock. |
| F3 | The Registrant awarded a grant to the new director appointed October 29, 2025. The restricted stock units will vest on May 12, 2026. Vested Shares will be delivered to the reporting person upon vesting. |