Effective February 25, 2010, the Board of Directors of S&T Bancorp, Inc. ("S&T") appointed Mark Kochvar, age 49, as Senior Executive Vice President and Chief Financial Officer. Mr. Kochvar has served as S&T's Executive Vice President and Treasurer, since 2008, and was Senior Vice President, Treasury and Investments, from 2001-2007.

Mr. Kochvar will receive an annual salary of $250,000. In addition, Mr. Kochvar will be granted shares of restricted stock, under the Company's 2003 Incentive Stock Plan, equal to a number of shares of restricted stock determined by dividing $50,000 by the fair market value of our common stock on the date of grant, such shares to vest equally over two years at 50% per year. For the year ending December 31, 2010, Mr. Kochvar will be eligible to participate in the 2010 Management Incentive Plan ("MIP"), subject to the terms of the MIP.

Mr. Kochvar is party to a change in control agreement with S&T, dated December 31, 2008, that provides that if his employment is terminated without cause within two years of a change of control, or if he voluntarily terminates his employment with S&T due to a "constructive termination" (as such term is defined in the Severance Agreement) following a change-in-control, he will receive a lump sum payment in cash an amount equal to twice his base salary. Mr. Kochvar would also be entitled to continue to receive, for two years, the life insurance, health, disability and other welfare benefits substantially similar in all respects to those which he was receiving immediately prior to the change in control. The Severance Agreement with Mr. Kochvar is attached hereto as Exhibit 10.1, and is incorporated herein by reference. The foregoing description of the Severance Agreement is qualified in its entirety by reference to the terms of the Severance Agreement.

Mr. Kochvar was not appointed as Senior Executive Vice President and Chief Financial Officer pursuant to any arrangement or understanding with any other person, and he has no reportable transactions under Item 404(a) of Regulation S-K. There are no family relationships between Mr. Kochvar and any director or executive officer of S&T.

A copy of the press release dated February 26, 2010, announcing the appointment of Mr. Kochvar, is attached hereto as Exhibit 99.1.

On February 22, 2010, Wendy S. Bell, the acting Chief Financial Officer of S&T, resigned from her position with S&T in order to pursue another employment opportunity. The resignation will be effective as of March 2, 2010 in order to facilitate the transition of functional responsibilities. Ms. Bell's decision was not based on any disagreement with S&T's operations, accounting principles or practices, financial statement disclosures or otherwise.