WHAT:  INFORMATIONAL OPEN HOUSE ON PROPOSED $1 BILLION CAPITAL INVESTMENT
           IN U. S. STEEL CLAIRTON PLANT

    WHERE: CLAIRTON MUNICIPAL BUILDING
           551 RAVENSBURG BOULEVARD
           CLAIRTON, PENNSYLVANIA

    WHEN:  THURSDAY, MAY. 1, 2008, 7 P.M.

PITTSBURGH -- United States Steel Corporation (NYSE: X) will be hosting an open house to provide information to the community regarding its proposed $1 billion capital investment program at the U. S. Steel Clairton Plant that will extend over a period of years. The open house is scheduled for Thursday, May 1, 2008 at 7 p.m. at the Clairton Municipal Building.

Among those scheduled to provide information at the open house are Lisa Roudabush, general manager of the U. S. Steel Mon Valley Works, members of the U. S. Steel environmental affairs, safety and industrial hygiene and engineering teams. Representatives from the Allegheny County Health Department and Uhde, a technological unit of Germany's ThyssenKrupp Technologies, will also be available to answer questions on the program.


    For more information about U. S. Steel, visit http://www.ussteel.com.

    Contact:  John Armstrong
              412.433.6792
              Courtney Boone
              412.433.6791
              Erin DiPietro
              412.433.6845

SOURCE United States Steel Corporation