EXHIBIT 99.1



                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 annual report on Form 10-K of Keane, Inc. (the
"Company) for the period ended December 31, 2002 as filed with the Securities
and Exchange Commission on the date hereof (the "Report"), the undersigned,
Brian T. Keane, President and Chief Executive Officer of the Company, hereby
certifies, pursuant to 18 U.S.C. Section 1350, 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 operation
         of the Company.



Dated:   March 21, 2003                    /s/ Brian T. Keane
                                           -------------------------------------
                                           Brian T. Keane
                                           President and Chief Executive Officer









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