8-K

United States

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

Current Report

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 21, 2013

S&T Bancorp, Inc.

(Exact Name of Registrant as Specified in its Charter)

Pennsylvania	0-12508	25-1434426
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)
800 Philadelphia Street, Indiana, PA		15701
(Address of Principal Executive Offices)		Zip Code

Registrant’s telephone number, including area code (800) 325-2265

Former name or address, if changed since last report Not Applicable

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02(b) – Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On January 21, 2013 John N. Brenzia, a director of S&T Bancorp, Inc. (the “Company”) notified the Company of his intent to retire from the Board of Directors upon the expiration of his term effective immediately following the Company’s May 20, 2013 Annual Shareholders Meeting. Mr. Brenzia’s decision to retire and not stand for re-election was not the result of any disagreement between the Company and Mr. Brenzia on any matter relating to the Company’s operations, policies or practices.

A copy of the Company’s January 24, 2013 press release announcing Mr. Brenzia’s retirement is attached as Exhibit 99.1 to this

Form 8-K report.

Item 9.01(d) –Exhibits

99.1 Press Release announcing Director Brenzia’s retirement from the Board of Directors of S&T Bancorp, Inc.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed by the undersigned thereunto duly authorized.

	S&T Bancorp, Inc.
January 25, 2013	/s/ Mark Kochvar
	Mark Kochvar Senior Executive Vice President, Chief Financial Officer

EX-99.1

Exhibit 99.1

FOR IMMEDIATE RELEASE	Contact: Rob Jorgenson
January 24, 2013	724-465-5448

S&T Bancorp, Inc. Announces Retirement of Director John N. Brenzia

Indiana, Pennsylvania – S&T Bancorp, Inc. (NASDAQ:STBA) a full-service financial institution with branch locations in 11 Pennsylvania counties, has announced the retirement of John N. Brenzia, a member of the S&T Bancorp, Inc. Board of Directors since 2008 who serves on the Audit Committee and the Nominating and Corporate Governance Committee.

“John has served our shareholders with distinction since our merger with Irwin Bank in 2008. He has been an effective, independent voice and performed his duties with great diligence and care,” said James C. Miller, chairman of the S&T Bancorp, Inc. Board of Directors. “His presence will be missed. We thank him for his service and wish him well in his retirement.”

Brenzia served as vice president & chief financial officer of Fox Chase Management d/b/a Irwin Car and Equipment and Baker Capital Limited from 2003 until his recent retirement in October 2012. He joined the S&T board following the company’s acquisition of IBT Bancorp, Inc. in 2008. Brenzia’s career serving in various management positions, specifically in the finance and treasury divisions, and in the manufacturing industry, provided the board with expertise regarding credit, contract administration, analysis of financial statements, operations, and lending and borrowing.

Brenzia’s retirement from the S&T Bancorp, Inc. Board of Directors will be made official at the 2013 Annual Meeting of Shareholders of S&T Bancorp, Inc.

– more –

S&T Bank News Release – Page 2

S&T Bancorp, Inc. Announces Retirement of Director John N. Brenzia

(cont.)

About S&T Bancorp, Inc.

Headquartered in Indiana, PA, S&T Bancorp, Inc. operates offices within Allegheny, Armstrong, Blair, Butler, Cambria, Clarion, Clearfield, Indiana, Jefferson, Washington, and Westmoreland counties. With assets of $4.4 billion, S&T Bancorp, Inc. stock trades on the NASDAQ Global Select Market under the symbol STBA. For more information, visit http://www.stbancorp.com.

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