This Statement confirms that the undersigned, David G. Antolik, has
authorized and designated each of Robert E. Rout, Wendy S. Bell or Timothy P.
McKee to execute and file on the undersigned's behalf all Forms 3, 4 and 5
(including any amendments thereto) that the undersigned may be required to
file with the U.S. Securities and Exchange Commission as a result of the
undersigned's ownership of or transactions in securities of S&Y Bancorp, Inc.
The authority of Robert E. Rout, Wendy S. Bell or Timothy McKee under this
Statement shall continue until the undersigned is no longer required to file
Forms 3, 4 and 5 with regard to his/her ownership of or transactions in
securities of S&T Bancorp, Inc., unless earlier revoked in writing.  The
undersigned acknowleges that Robert E. Rout, Wendy S. Bell or Timothy P.
McKee are not assuming any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.

/s/ David G. Antolik

