CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


     In  connection  with  the  Quarterly  Report  of  IBT  Bancorp,  Inc.  (the
"Company") on Form 10-Q for the quarter  ended March 31, 2003 (the  "Report") as
filed with the  Securities  and  Exchange  Commission  on the date  hereof,  we,
Charles  G.  Urtin,  Chief  Executive  Officer,  and  Raymond G.  Suchta,  Chief
Financial Officer,  certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant
to ss. 906 of the Sarbanes-Oxley Act of 2002, that:

     (1) The Report fully  complies  with the  requirements  of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

     (2)  The  information  contained  in the  Report  fairly  presents,  in all
material  respects,  the  financial  condition  and results of operations of the
Company.



/s/ Charles G. Urtin                       /s/ Raymond G. Suchta
- -----------------------------------        -------------------------------------
Charles G. Urtin                           Raymond G. Suchta
Chief Executive Officer                    Chief Financial Officer



May 6, 2003




A signed  original of this  written  statement  required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.