Robbins & Myers 10-Q 2012 Q1 Quarterly report

Exhibit 32.1

Section 1350 CEO Certification

I, Peter C. Wallace, 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, 2011 (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 6, 2012

/s/ Peter C. Wallace                                                     

Peter C. Wallace

President and Chief Executive Officer