EXHIBIT 99.2

                            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 Mitcham Industries, Inc. (the
"Company") on Form 10-Q for the period ending October 31, 2002, as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I, P.
Blake Dupuis, Executive Vice President - Finance of the Company, 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/ P. Blake Dupuis
-------------------
P. Blake Dupuis
Executive Vice President - Finance
December 13, 2002



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