EXHIBIT 99.1 Contact: U. S. Steel Worthington Industries Media Media Relations ----- --------------- John Armstrong Cathy M. Lyttle 412.433.6792 614.438.3077 Investors/Analysts Investor Relations ------------------ ------------------ Dan Lesnak Allison Sanders 412.433.1184 614.840.3133 FOR IMMEDIATE RELEASE - --------------------- U. S. STEEL AND WORTHINGTON INDUSTRIES COMPLETE DEAL TO EXPAND WORTHINGTON SPECIALTY PROCESSING JOINT VENTURE PITTSBURGH and COLUMBUS, Ohio, Oct. 1, 2008 - United States Steel Corporation (NYSE: X) and Worthington Industries, Inc. (NYSE: WOR) announced today that they have completed the previously announced plan to expand and modify their current Worthington Specialty Processing joint venture located in Jackson, Mich. -oOo- For more information about U. S. Steel, visit www.ussteel.com. For more information about Worthington Industries, visit www.worthingtonindustries.com.