MEDINA, Ohio, September 25 /PRNewswire/ --

- Acquisition Expands Industrial and Marine Coatings Business in the 
Scandinavian Region

RPM International Inc. (NYSE: RPM) announced today that its subsidiary,
StonCor Group ("StonCor") acquired Star Maling ("Star Maling"), which
consists of three divisions: Star Maling, Carboline Marine and Carboline
Norge. Star is a leading manufacturer and marketer of specialty coatings for
industrial and offshore/marine applications in Scandinavia, and has been
an RPM joint venture partner since 1972. Terms were not disclosed.

Star Maling, based in Lier, Norway, manufactures specialty coatings under
the Star Maling and Carboline brands, offering a wide variety of coatings
solutions predominately in the petrochemical, offshore drilling, and marine
markets.

Star Maling has annual sales of approximately US$30 million and 
Complements StonCor Group's European initiatives to improve the technical 
capacity and expertise of the Carboline-Europe organization, as well as to 
expand the range of customized coating solutions for harsh environmental 
conditions.

"Star Maling has been an outstanding partner for more than three
decades," said David Reif, StonCor's President. "The Star acquisition is
essential to expand and strengthen Carboline's global presence and support of
multinational customers. Additionally, this acquisition will expand the
distribution of our Stonhard and Fibergrate product lines into the
Scandinavian market. The entire team is looking forward to working more
directly with our long-time partners to service our clients and solve the
toughest coatings problems."

RPM International Inc., a holding company, owns subsidiaries that are
world leaders in specialty coatings and sealants serving both industrial and
consumer markets. RPM's industrial products include roofing systems,
sealants, corrosion control coatings, flooring coatings and specialty
chemicals. Industrial brands include Stonhard, Tremco, illbruck, Carboline,
Day-Glo, Euco, and Dryvit. RPM's consumer products are used by professionals
and do-it-yourselfers for home maintenance and improvement, automotive and
boat repair and maintenance, and by hobbyists. Consumer brands include
Zinsser, Rust-Oleum, DAP, Varathane, Bondo, and Testors.

For more information, contact P. Kelly Tompkins, executive vice president
and chief administrative officer, at +1-330-273-5090 or ktompkins@rpminc.com.

This press release contains "forward-looking statements" relating to the
business of the company. These forward-looking statements, or other
statements made by the company, are made based on management's expectations
and beliefs concerning future events impacting the company and are subject to
uncertainties and factors which are difficult to predict and, in many
instances, are beyond the control of the company. As a result, actual results
of the company could differ materially from those expressed in or implied by
any such forward-looking statements. These uncertainties and factors include,
but are not limited to, the risk factors set forth in the company's Annual
Report on Form 10-K for the year ended May 31, 2007, as the same may be
updated from time to time. The company does 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.

Web site: http://www.rpminc.com