In addition, the undersigned directs Wells Fargo Bank, N.A., as Trustee of the Plan, to vote in person
or by Proxy at the Annual Meeting of Stockholders a portion of the shares of Common Stock of RPM International Inc. held in the Plan for which no instructions are given, in the manner designated by the undersigned on the reverse side hereof. The
portion of such unvoted shares subject to the undersigneds direction shall be the total number of unvoted shares under the Plan multiplied by a fraction equal to the shares for which voting directions were given by the undersigned divided by
the total number of shares of all participants in the Plan for which voting directions were given. AS A RESULT, IF YOU ARE A PARTICIPANT IN THE PLAN AND YOU DO NOT VOTE THE SHARES, THE SHARES WILL BE VOTED IN THE SAME MANNER AND PROPORTION AS THOSE
SHARES HELD BY PARTICIPANTS IN THE PLAN WHO VOTE THEIR SHARES.
(If you noted any Address Changes/Comments above, please mark corresponding box on the reverse side.)
PLEASE DATE, SIGN AND RETURN PROMPTLY IN THE ACCOMPANYING ENVELOPE.