X0306 4 2017-11-17 0 0001090061 OMNOVA SOLUTIONS INC OMN 0001023572 DANTONI DAVID J 25435 HARVARD ROAD BEACHWOOD OH 44122 1 0 0 0 Common Shares 20023 D Phantom Shares 2017-11-17 4 A 0 3537.736 10.60 A Common Shares 3537.736 98112.0893 I By Plan The Phantom shares were acquired under the OMNOVA Solutions Stock Fund of the OMNOVA Solutions Inc. Deferred Compensation Plan for Nonemployee Directors (the "Plan"). Under the terms of the Plan, each nonemployee director may elect, prior to the calendar year in which fees are earned, to defer all or a portion of his or her annual retainer, and committee and board chairman's fees into one or more investment options available under the Plan, including the OMNOVA Solutions Stock Fund. Phantom shares are credited to a director's account based on the number of OMNOVA common shares that could have been purchased with the amount deferred at the closing price per share on the New York Stock Exchange on the date that the director's fees would otherwise have been payable to him. Phantom shares are payable in cash in a lump sum or in up to ten annual installments (as elected by the director), except under certain circumstances where the Plan provides for earlier distribution of his or her account balance. /s/ Frank P. Esposito, attorney-in-fact for David J. D'Antoni 2017-11-20