Exhibit 99.1 U. S. STEEL COMPLETES SALE OF A MAJOR PORTION OF EJ&E TO CN PITTSBURGH, Feb. 1, 2009 - United States Steel Corporation (NYSE: X) announced today that it has completed the previously announced sale of a major portion of the Elgin, Joliet and Eastern Railway Company (EJ&E) to a subsidiary of the Canadian National Railway Company. -oOo- For more information about U. S. Steel, visit www.ussteel.com.