RPM INTERNATIONAL INC. $350,000,000 4.550% Notes due 2029 UNDERWRITING AGREEMENT February 25, 2019 Merrill Lynch, Pierce, Fenner & Smith Incorporated Santander Investment Securities Inc. Wells Fargo Securities, LLCUnderwriting Agreement • February 27th, 2019 • RPM International Inc/De/ • Paints, varnishes, lacquers, enamels & allied prods • New York
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