X0306 4 2016-01-20 0 0001090061 OMNOVA SOLUTIONS INC OMN 0001254583 MITAROTONDA JAMES A C/O BARINGTON CAPITAL GROUP L.P 888 SEVENTH AVENUE 17TH FLOOR NEW YORK NY 10019 1 0 0 0 Common Shares 2016-01-20 4 P 0 1810 4.65 A 867700 I By Barington Companies Equity Partners, L.P. Common Shares 2016-01-21 4 P 0 38441 4.928 A 906141 I By Barington Companies Equity Partners, L.P. Common Shares 2016-01-21 4 P 0 2787 4.928 A 65684 I By Barington Companies Investors, LLC The Reporting Person is the sole stockholder and director of LNA Capital Corp. LNA Capital Corp. is the general partner of Barington Capital Group, L.P., which is the majority member of Barington Companies Investors, LLC ("Barington Investors"). Barington Investors is the general partner of Barington Companies Equity Partners, L.P. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed to be an admission that the Reporting Person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose. Pursuant to the terms of an Investment Advisory Agreement between Barington Investors and MSF Partners, LLLP ("MSF"), Barington Investors is an investment advisor to MSF and manages an investment account on its behalf holding the number of Common Shares cited above. James A. Mitarotonda 2016-01-22