Current Information

Historical Data Historical Segment Financial and Operational Data 01.31.2012 Five-Year Operating and Financial Summary (2006 - 2010) 04.18.2011 2011 Pocket Facts 06.25.2010   Investor Presentations Fourth Quarter 2011 Earnings Conference Call and Webcast Slide Presentation 01.31.2012 Goldman Sachs Global Steel Conference 11.30.2011 Credit Suisse Global Steel and Mining Conference 09.22.2011   Financial Information & News United States Steel Corporation Declares Dividend   01.31.2012 Fourth Quarter 2011 Earnings Release   01.31.2012 U. S. Steel Conference Call Available On Company Web Site   12.22.2011 United States Steel Corporation Declares Dividend   10.25.2011 United States Steel Corporation Reports 2011 Third Quarter Results   10.25.2011 U. S. Steel Conference Call Available On Company Web Site   10.04.2011 U. S. Steel Announces Executive Appointments In Corporate Risk Management And Finance Organizations   08.01.2011 United States Steel Corporation Declares Dividend   07.26.2011 Second Quarter 2011 Earnings Release   07.25.2011 U. S. Steel Conference Call Available On Company Web Site   06.21.2011 David L. Britten Joins U. S. Steel as Vice President - Tubular Technology & Business Development   04.29.2011 United States Steel Corporation Declares Dividend   04.26.2011 First Quarter Earnings Release   04.26.2011 U. S. Steel Conference Call Available On Company Web Site   03.31.2011 2011 Proxy Statement 03.28.2011 Form 10-K for the year ended 2010 02.22.2011

Notice U. S. Steel Fourth Quarter 2011 Earnings Conference Call and Webcast Tuesday, January 31, 2012 3:00 p.m. (eastern) Stock Quote 2/3/2012 Symbol: X Price: $32.22 Change: +0.78 (+2.48%) Volume: 11108497 Time: 3:59:00 PM ET Prior Close: $31.44 Open: $32.07 High: $32.52 Low: $31.77 Contact Dan Lesnak Manager, Investor Relations P: (412) 433-1184 F: (412) 433-1167 investorrelations@uss.com