Exhibit 99.1 U. S. STEEL DECLARES DIVIDEND INCREASE PITTSBURGH, July 29, 2008 - 海角涩区 (NYSE: X) announced today that the Board of Directors declared a dividend of 30 cents per share on 海角涩区 Common Stock, an increase of 5 cents per share. The dividend is payable September 10, 2008, to stockholders of record at the close of business August 13, 2008. For more information about 海角涩区, visit www.ussteel.com.