Current Information

Historical Data Historical Segment Financial and Operational Data 01.26.2010 Five-Year Operating and Financial Summary (2004 - 2008) 03.17.2009 2009 Pocket Facts 06.27.2008   Investor Presentations Morgan Stanley Global Basic Materials Conference 02.25.2010 Goldman Sachs Fifth Annual Global Steel Conference 12.02.2009 KeyBanc Capital Markets Basic Materials and Packaging Conference 09.16.2009   Financial Information & News Form 10-K for the year ended 2009 02.25.2010 United States Steel Corporation Declares Dividend   01.26.2010 Fourth Quarter Earnings Release   01.26.2010 U. S. Steel Conference Call Available On Company Web Site   12.23.2009 Third Quarter Earnings Release   10.27.2009 United States Steel Corporation Declares Dividend   10.27.2009 U. S. Steel Conference Call Available On Company Web Site   10.01.2009 Second Quarter 2009 Form 10-Q 08.14.2009 United States Steel Corporation Declares Dividend 07.28.2009 Second Quarter Earnings Release 07.28.2009 U. S. Steel Conference Call Available On Company Web Site   06.26.2009 U. S. Steel Announces Completion Of Public Offering Of Common Stock And Senior Convertible Notes Offerings   05.04.2009 First Quarter 2009 Form 10-Q   04.28.2009 United States Steel Corporation Announces Proposed Common Stock And Convertible Notes Offerings   04.27.2009 United States Steel Corporation Reports 2009 First Quarter Loss, Declares Dividend Reduction And Announces Additional Actions To Enhance Liquidity   04.27.2009 2009 Proxy Statement 03.17.2009

Notice U. S. Steel Fourth Quarter 2009 Earnings Conference Call and Webcast Tuesday, January 26, 2010 3:00 p.m. (eastern) Stock Quote 3/11/2010 Symbol: X Price: $60.41 Change: +0.45 (+0.75%) Volume: 12235689 Time: 3:59:00 PM ET Prior Close: $59.96 Open: $59.24 High: $60.48 Low: $58.70 Contact Dan Lesnak Manager, Investor Relations P: (412) 433-1184 F: (412) 433-1167 investorrelations@uss.com