X0305 4 2012-03-23 0 0001090061 OMNOVA SOLUTIONS INC OMN 0001232574 MCMULLEN KEVIN M 175 GHENT ROAD FAIRLAWN OH 44333-3300 1 1 0 0 Chairman of Board & CEO & Pres Common Stock 2012-03-23 4 M 0 120000 4.15 A 975805 D Common Stock 2012-03-23 4 S 0 120000 6.577 D 855805 D Common Stock 17242.803 I Plan Trust Stock Options (Right to Buy) 4.15 2012-03-23 4 M 0 120000 0.00 D 2003-06-11 2012-12-12 Common Stock 120000 120000 D These shares represent shares acquired upon the exercise of options granted under the OMNOVA Solutions Inc Amended and Restated 1999 Equity and Performance Incentive Plan on December 12,2002. The options became exercisable in 25% increments on 6/11/03; 12/12/03; 12/12/04 and 12/12/05 and are due to expire later this year on 12/12/12. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $6.50 to $6.68, inclusive. The reporting person undertakes to provide OMNOVA Solutions, any shareholders of OMNOVA Solutions 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 range set forth in this footnote. Shares held in the OMNOVA Solutions Retirement Savings Plan as of 3/23/12 per the Plan Administrator's Records. Kristine C. Syrvalin, Attorney-in-fact for Kevin M. McMullen 2012-03-26