U. S. Steel Announces Completion of 10% Senior Quarterly Income Debt Securities Due 2031 Redemption

United States Steel Corporation (NYSE: X) (the "Company") announced today that it has completed the redemption of its 10% Senior Quarterly Income Debt Securities (the "SQUIDS") due 2031 (NYSE: XSS). The redemption of the SQUIDS in the aggregate principal amount of $49,326,575 plus accrued and unpaid interest paid to the holders of record on December 15, 2006, was funded from currently available funds. In connection with the redemption, the Company will record a pre-tax charge of approximately $3 million for the remaining unamortized issuance costs in the first quarter of 2007.

SQUIDS(SM) is a service mark of Goldman, Sachs & Co.

For more information about U. S. Steel, visit www.ussteel.com.

First Call Analyst:
FCMN Contact:

SOURCE: United States Steel Corporation

CONTACT: Public Affairs, John Armstrong, +1-412-433-6792, or Investors-
Analysts, Nick Harper, +1-412-433-1184, both of United States Steel
Corporation

Web site: http://www.ussteel.com/

Company News On-Call: http://www.prnewswire.com/comp/929150.html