Exhibit 99.1.

                  U. S. STEEL TO SELL ASSETS OF MINING COMPANY

     PITTSBURGH, April 10 - United States Steel Corporation (NYSE: X) today

announced that it has signed a letter of intent to sell assets of U. S. Steel

Mining Company, LLC (USM) to a newly formed company to be organized and managed

by Benjamin M. Statler LLC or its affiliates and Natural Gas Partners VI, L.P.

     The new company is expected to acquire all of the coal and related assets

associated with USM's Pinnacle No. 50 mine located near Pineville, W.Va., and

USM's Oak Grove mine located near Oak Grove, Ala. The sale is expected to be

completed in the second quarter.

                                      -oOo-

     This release contains forward-looking statements which are based on a
number of assumptions concerning future events made by management and
information currently available to management. Readers are cautioned not to put
undue reliance on such forward-looking statements, which are not a guarantee of
performance and are subject to a number of uncertainties and other factors, many
of which are outside United States Steel Corporation's control, that could cause
actual events to differ materially from such statements. For a more detailed
description of the factors that could cause such a difference, please see United
States Steel Corporation's filings with the Securities and Exchange Commission.
There are also a number of uncertainties, risks, conditions and other factors
which could prevent the implementation of the above described letter of intent.