Exhibit 99.1



                   Certification of Chief Executive Officer of
                    Robbins & Myers, Inc. in accordance with
                  Section 906 of the Sarbanes-Oxley Act of 2002

I, Gerald L. Connelly, President and Chief Executive Officer of Robbins & Myers,
Inc. ("the Company"), do hereby certify in accordance with 18 U.S.C. 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1.   The Quarterly Report on Form 10-Q of the Company for the period ended
     November 30, 2002 (the "Quarterly Report") fully complies with the
     requirements of section 13(a) or 15(d) of the Securities Exchange Act of
     1934 (15 U.S.C. 78m or 78o(d)) and

2.   The information contained in the Quarterly Report fairly presents, in all
     material respects, the financial condition and results of operations of the
     Company.

Dated:  January 8, 2003

                                    /s/ Gerald L. Connelly
                                    ------------------------------------------
                                    Gerald L. Connelly
                                    President and Chief Executive Officer



                                       18