EXHIBIT 99.1


                    Certification of Chief Executive Officer
                         Pursuant to Section 906 of the
                           Sarbanes-Oxley Act of 2002



In connection with this quarterly  report on Form 10-Q of Merit Medical Systems,
Inc. I, Fred P. Lampropoulos,  Chief Executive Officer of Merit Medical Systems,
Inc., certify, pursuant to Section 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 this report fairly presents,  in all
              material  respects,   the  financial   condition  and  results  of
              operations of Merit Medical Systems, Inc


Date:  May 12, 2003                           /s/Fred P. Lampropoulos
                                              -----------------------
                                              Fred P. Lampropoulos
                                              Chairman of the Board, President
                                              and Chief Executive Officer