Press Release Details

HARRISBURG, Pa., Mar 22, 2006 (PRIMEZONE via COMTEX News Network) -- Worldwide industrial services and engineered products company Harsco Corporation (NYSE:HSC) today announced the following schedule and teleconference information for its first quarter 2006 earnings release.

 --  Earnings Release: Monday, April 24, 2006 before NYSE market
     opening via public newswire distribution and the Harsco
     Corporation web site at www.harsco.com.

 --  Teleconference: Monday, April 24, 2006 at 2:00 pm ET, led by
     Derek C. Hathaway, Chairman and CEO. Internet broadcast in
     listen-only mode at www.harsco.com. The call can also be accessed
     by telephone by dialing (800) 611-4920, or (706) 634-5923 from
     outside the United States and Canada. Listeners are advised to
     dial in at least five minutes prior to the call. Enter Conference
     ID number 6384358.

 --  Replays: available after completion of the live call at
     www.harsco.com and by telephone, beginning at approximately 5:00
     pm ET. The telephone replay dial-in number is (800) 642-1687, or
     (706) 645-9291 from outside the United States and Canada. Enter
     Conference ID number 6384358.

Harsco Corporation is a diversified, $2.8 billion global industrial services and engineered products company. Harsco's four market-leading business groups provide mill services, access services, engineered products and services, and gas containment and control technologies to customers worldwide. The company employs approximately 21,000 people in 45 countries of operation. Additional information can be found at http://www.harsco.com.

The Harsco Corporation logo is available at: http://www.primezone.com/newsroom/prs/?pkgid=36

This news release was distributed by PrimeZone, www.primezone.com

SOURCE: Harsco Corporation

Harsco Corporation
          Media Contact  
          Kenneth D. Julian
            717.730.3683
            kjulian@harsco.com
          Investor Contact
          Eugene M. Truett 
            717.975.5677
            etruett@harsco.com