CERTIFICATION  OF  PERIODIC  FINANCIAL  REPORT  PURSUANT  TO SECTION  906 OF THE
                           SARBANES-OXLEY ACT OF 2002

Pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002  (subsection (a) and
(b)  of  Section  1350,  Chapter  63 of  Title  18,  United  States  Code),  the
undersigned  officer of Penseco Financial  Services  Corporation (the "Company")
certifies to his knowledge that:

     (1) The  Annual  Report  on Form  10-K of the  Company  for the year  ended
     December 31, 2006 (the "Form 10-K") fully complies with the requirements of
     Section 13(a) or 15(d) of the Securities  Exchange Act of 1934 (the "Act");
     and

     (2) The  information  contained  in the Form 10-K fairly  presents,  in all
     material  respects,  the financial  conditions and results of operations of
     the  Company as for the dates and for the  periods  referred to in the Form
     10-K.

                               /s/ Craig W. Best
                               -------------------
                               Craig W. Best
                               President and CEO
                               February 26, 2007

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CERTIFICATION  OF  PERIODIC  FINANCIAL  REPORT  PURSUANT  TO SECTION  906 OF THE
                           SARBANES-OXLEY ACT OF 2002

Pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002  (subsection (a) and
(b)  of  Section  1350,  Chapter  63 of  Title  18,  United  States  Code),  the
undersigned  officer of Penseco Financial  Services  Corporation (the "Company")
certifies to his knowledge that:

     (1) The  Annual  Report  on Form  10-K of the  Company  for the year  ended
     December 31, 2006 (the "Form 10-K") fully complies with the requirements of
     Section 13(a) or 15(d) of the Securities  Exchange Act of 1934 (the "Act");
     and

     (2) The  information  contained  in the Form 10-K fairly  presents,  in all
     material  respects,  the financial  conditions and results of operations of
     the  Company as for the dates and for the  periods  referred to in the Form
     10-K.
                               /s/ Patrick Scanlon
                               -------------------
                               Patrick Scanlon
                               Controller
                               February 26, 2007