EXHIBIT 99.1

                           MTI TECHNOLOGY CORPORATION

                                  CERTIFICATION

         In connection with the periodic report of MTI Technology Corporation
(the "Company") on Form 10-Q for the period ended January 4, 2003, as filed with
the Securities and Exchange Commission (the "Report"), I, Mark A. Franzen, Chief
Financial Officer of the Company, hereby certify as of the date hereof, solely
for purposes of Title 18, Chapter 63, Section 1350 of the United States Code,
that to the best of my knowledge:

                  (1) the Report fully complies with the requirements of Section
                  13(a) or 15(d), as applicable, 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 at the dates and for the periods
                  indicated.



Date: February 14, 2003                /s/ Mark A. Franzen
                                       -----------------------------------------
                                       Mark A. Franzen
                                       Chief Financial Officer