HSC Harsco Corporation

The Board of Directors of Harsco Corporation (NYSE:HSC) today declared a regular quarterly cash dividend of $0.2050 per share, or $0.82 per share on an annualized basis, payable May 17, 2010 to stockholders of record as of April 15, 2010. 

The dividend marks the Company's 240^th consecutive quarterly cash dividend to its stockholders. "Consistent and dependable dividends remain a hallmark of Harsco's strong cash flows and long-standing commitment to stockholder value," said Harsco Chairman and CEO Salvatore D. Fazzolari.  Harsco has paid dividends every year since 1939. 

Harsco Corporation is one of the world's leading diversified industrial services companies, serving key industries that play a fundamental role in worldwide economic growth, including infrastructure, metals and railways. The Company employs approximately 19,500 people in over 50 countries of operation.  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