HSC Harsco Corporation

Worldwide industrial services and engineered products company Harsco Corporation (NYSE:HSC) announced today that its Harsco Rail unit has been awarded a new $6 million order from the Washington Metropolitan Area Transit Authority for production of Utility Track Vehicle (UTV) prime movers.

Deliveries will begin in January 2011 and continue into the second quarter. The all-purpose UTVs will be used to power work trains for a broad range of railway maintenance of way requirements, including snow removal, repair and replacement of rail, and the supply of power for hydraulic and pneumatic tools. The units will be built at Harsco Rail's modern railway track maintenance engineering and production facilities in Columbia, South Carolina.

Washington Metro serves the nation's capital as the second largest rail transit system in the U.S. with over 100 miles of track.

Harsco Rail is the largest provider of railway track maintenance of way services and equipment in the U.S. and the second largest in the world. Its operations include facilities in the U.S., U.K. and Australia.

Harsco Corporation is one of the world's leading diversified industrial services and engineered products companies. Harsco serves key industries that play a fundamental role in worldwide economic growth, including infrastructure construction, metals, railways and energy. Harsco's common stock is a component of the S&P MidCap 400 Index and the Russell 1000 Index. Additional information can be found at www.harsco.com. 

The Harsco Corporation logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=361

CONTACT:  Harsco Corporation 

          Investor Contact

          Eugene M. Truett

            717.975.5677

            etruett@harsco.com

          Media Contact

          Kenneth D. Julian

            717.730.3683

            kjulian@harsco.com