 MEDINA, Ohio--BUSINESS WIRE--RPM International Inc. NYSE: RPM announced today that it has appointed American Stock Transfer Trust Company, LLC AST as RPMs new stock transfer agent and registrar of RPMs common stock, effective immediately. AST was originally founded as a transfer agent in 1971. Stockholders do not need to take any action at this time related to RPMs appointment of AST as its new transfer agent. Stockholders may contact AST as follows: AST 6201 15th Avenue Brookl 