MEDINA, Ohio--(BUSINESS WIRE)--Sep. 25, 2018--
      RPM
      International Inc. (NYSE: RPM) announced today that it has issued a
      notice of redemption for all $205,000,000 aggregate principal amount of
      its outstanding 2.25% Convertible Senior Notes Due 2020 (CUSIP No.
      749685 AT0) (the “Notes”) on November 27, 2018 (the “Redemption Date”).
      The redemption price for the Notes is equal to 100% of the principal
      amount of the Notes to be redeemed plus accrued and unpaid interest
      until, but excluding, the Redemption Date.
    
      RPM has instructed The Bank of New York Mellon Trust Company, N.A., as
      the trustee for the Notes, to distribute the notice of redemption to all
      registered holders of the Notes. Copies of the notice and additional
      information relating to the procedure for redemption may be obtained
      from The Bank of New York Mellon Trust Company, N.A., by calling 1 (800)
      254-2826.
    
      As a result of the issuance of the notice of redemption, the Notes are
      convertible at any time prior to the close of business on November 26,
      2018. The current conversion rate is 19.185116 shares of RPM common
      stock per $1,000 original principal amount of the Notes, which is
      equivalent to a conversion price of approximately $52.12 per share
      (subject to adjustment in accordance with the terms of the Indenture).
      In accordance with the provisions of the indenture for the Notes, RPM
      has elected to settle any Notes surrendered for conversion through a
      combination settlement of cash and shares of RPM common stock (and cash
      in lieu of any fractional shares).
    
      About RPM
    
      RPM International Inc. owns subsidiaries that are world leaders in
      specialty coatings, sealants, building materials and related services
      across three segments. RPM’s industrial products include roofing
      systems, sealants, corrosion control coatings, flooring coatings and
      other construction chemicals. Industrial companies include Stonhard,
      Tremco,
      illbruck,
      Carboline,
      Flowcrete,
      Euclid
      Chemical and RPM
      Belgium Vandex. RPM's consumer products are used by professionals
      and do-it-yourselfers for home maintenance and improvement and by
      hobbyists. Consumer brands include Rust-Oleum,
      DAP,
      Zinsser,
      Varathane
      and Testors.
      RPM’s specialty products include industrial cleaners, colorants,
      exterior finishes, specialty OEM coatings, edible coatings, restoration
      services equipment and specialty glazes for the pharmaceutical and food
      industries. Specialty segment companies include Day-Glo,
      Dryvit,
      RPM
      Wood Finishes, Mantrose-Haeuser,
      Legend
      Brands, Kop-Coat
      and TCI.
      Additional details can be found at www.rpminc.com
      and by following RPM on Twitter at www.twitter.com/RPMintl.
    
      For more information, contact Russell L. Gordon, vice president and
      chief financial officer, at 330-273-5090 or rgordon@rpminc.com.
    
      This press release contains “forward-looking statements” relating to our
      business. These forward-looking statements, or other statements made by
      us, are made based on our expectations and beliefs concerning future
      events impacting us, and are subject to uncertainties and factors
      (including those specified below) which are difficult to predict and, in
      many instances, are beyond our control. As a result, our actual results
      could differ materially from those expressed in or implied by any such
      forward-looking statements. These uncertainties and factors include (a)
      global markets and general economic conditions, including uncertainties
      surrounding the volatility in financial markets, the availability of
      capital and the effect of changes in interest rates, and the viability
      of banks and other financial institutions; (b) the prices, supply and
      capacity of raw materials, including assorted pigments, resins, solvents
      and other natural gas- and oil-based materials; packaging, including
      plastic containers; and transportation services, including fuel
      surcharges; (c) continued growth in demand for our products; (d) legal,
      environmental and litigation risks inherent in our construction and
      chemicals businesses and risks related to the adequacy of our insurance
      coverage for such matters; (e) the effect of changes in interest rates;
      (f) the effect of fluctuations in currency exchange rates upon our
      foreign operations; (g) the effect of non-currency risks of investing in
      and conducting operations in foreign countries, including those relating
      to domestic and international political, social, economic and regulatory
      factors; (h) risks and uncertainties associated with our ongoing
      acquisition and divestiture activities; (i) risks related to the
      adequacy of our contingent liability reserves; and (j) other risks
      detailed in our filings with the Securities and Exchange Commission,
      including the risk factors set forth in our Annual Report on Form 10-K
      for the year ended May 31, 2018, as the same may be updated from time to
      time. We do not undertake any obligation to publicly update or revise
      any forward-looking statements to reflect future events, information or
      circumstances that arise after the date of this release.
    

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Source: RPM International Inc.
      RPM International Inc.
Russell L. Gordon, 330-273-5090
vice
      president and chief financial officer
rgordon@rpminc.com