X0303 4 2011-02-07 0 0000084290 ROBBINS & MYERS, INC. RBN 0001295366 Wallace Peter C C/O ROBBINS & MYERS, INC. 51 PLUM STREET, SUITE 260 DAYTON OH 45440 1 1 0 0 President and CEO Common Shares 2011-02-07 4 M 0 40000 10.79 A 279924 D Common Shares 2011-02-07 4 S 0 21386 43.37 D 258538 D Common Shares 2011-02-08 4 S 0 18614 42.67 D 239924 D Common Shares 2439 I Shares held by Robbins & Myers, Inc. Employee Savings Plan Trust as of August 31, 2010. Option (Right to Buy) 10.79 2011-02-07 4 M 0 40000 0.00 D 2015-10-06 Common Shares 40000 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.25 to $43.63, inclusive. The reporting person undertakes to provide to Robbins & Myers, Inc., any security holder of Robbins & Myers, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in foonotes (1) and (2) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.42 to $42.97, inclusive. Option information has been adjusted to reflect a 2-for-1 stock split of the Company's common shares, effected in the form of a share distribution. Shareholders were issued one common share of the Company on February 28, 2008 for each common share held of record on February 4, 2008 and outstanding options were adjusted accordingly. Employee Option, 1/3 exercisable on first anniversary date, 2/3 on second anniversary date and 100% on third anniversary date. PETER C. WALLACE by /s/ Linn S. Harson, attorney-in-fact pursuant to previously filed Power of Attorney 2011-02-09