Harsco Divests Small Product Line of Its IKG Industries Manufacturing Division


HARRISBURG, Pa., June 3, 2005 (PRIMEZONE) -- Worldwide industrial services and products company Harsco Corporation (NYSE:HSC) announced today that it has sold the FRP (fiberglass reinforced plastics) product line of its IKG Industries division to The StonCor Group, Inc./Fibergrate Division, a wholly owned subsidiary of RPM International, Inc. Fibergrate will also lease the portion of IKG's Queretaro, Mexico manufacturing facility where the FRP line is produced. Terms of the cash transaction were not disclosed. IKG Industries is America's leading producer of metal grating products.

Harsco Corporation is a $2.5 billion diversified industrial services and engineered products company whose market-leading businesses provide mill services, access services, engineered products and services, and gas containment and control technologies to customers worldwide. The company employs 18,500 people in more than 40 countries of operation. Additional information about Harsco, including its IKG Industries division, can be found at http://www.harsco.com.

The Harsco Corporation logo is available at: http://media.primezone.com/prs/single/?pkgid=361


-0-
CONTACT  Harsco Corporation
         Media
         Kenneth D. Julian
         (717) 730-3683
         kjulian@harsco.com

         Investors 
         Eugene M. Truett 
         (717) 975-5677
         etruett@harsco.com
         www.harsco.com