Company: STBA
Filing Date: 2025-03-31
Form Type: DEF 14A
Source: 0001193125-25-068253
Chunk: 48

Company: S&T BANCORP INC
Filing Date: 2025-03-31
Form: DEF 14A
Chunk 48
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 Executive Vice President and Chief Commercial Banking Officer |     |                             |     | 40% |
| LaDawn D. Yesho, Executive Vice President and Chief Risk Officer                  |     |                             |     | 40% |

38| S&T Bancorp, Inc.| 2025 Proxy Statement

Compensation Discussion and Analysis Corporate Performance Factor For the 2024 fiscal year, we continued with certain aspects of our incentive compensation program to ensure S&T’s ability to recruit and retain top talent while further increasing the percentage of our NEO’s total direct compensation that is at-riskand tied to company performance metrics. Specifically, the annual MIP continues in 2024 with the metrics from 2023 for the company performance factor. We retained EPS as a metric weighted at 60% and also utilize pre-provisionnet revenue/Average Assets (“PPNR”) (1)(20%) and Non-performing Assets/Loans+Other Real Estate Owned (20%). The PPNR (1)ratio is incorporated to have a profitability measure which is neutral to the impact of asset quality and taxes. There is no individual performance factor included in the MIP calculation for NEO’s and the award and payout is based solely on company performance. The actual earnings opportunity was based on the performance level achieved relative to the performance ranges shown in the table below with a target EPS equal to $3.25; PPNR (1)of 1.79%; and asset quality of 0.40%. “Allocated Target” equals the participant’s MIP incentive target multiplied by the weighting for each performance category (i.e., 60% for EPS, 20% for PPNR (1)and 20% for asset quality).

| Performance Level |     |              EPS |     | PPNR (non-       
 GAAP)(1)         |     | Asset Quality  |     | Payout Level 
 Percentage   
 of Allocated 
 Target       |
| Below Threshold   |     |      Below $3.00 |     | Below 1.56%      |     | Above 0.51%    |     | 0%           |
| Threshold         |     |            $3.00 |     | 1.56%            |     | 0.51%          |     | 25%          |
| Target            |     |            $3.25 |     | 1.79%            |     | 0.40%          |     | 100%         |