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 (the  "report") of GFSB Bancorp,  Inc.
(the  "Company")  on Form 10-QSB for the  quarter  ended March 31, 2003 as filed
with the Securities and Exchange  Commission on the date hereof (the  "Report"),
we,  Richard C.  Kauzlaric,  President,  and Jerry R. Spurlin,  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/Richard C. Kauzlaric                     /s/Jerry R. Spurlin
- --------------------------------------      ------------------------------------
Richard C. Kauzlaric                        Jerry R. Spurlin
President                                   Chief Financial Officer




May 12, 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.