POWER OF ATTORNEY


     The undersigned hereby authorizes and designates each
of S. R. Folsom, J. A. Napoli, J. J. Moran and A. T. Cicchino
(the "Attorneys")  as his or her fully authorized attorney for the
purpose of signing and filing on behalf of the undersigned all
forms which are permitted or required to be filed pursuant to
Section 16 of the Securities Exchange Act of 1934 (the "Forms")
concerning the undersigned's interest in securities of United States
Steel Corporation ("USS") and/or the undersigned's status with
respect to USS.  This Power of Attorney authorizes each of the
Attorneys to sign and file the forms on behalf of the undersigned
from the date hereof until the undersigned ceases to be subject to
Section 16  of the Securities Exchange Act of 1934 by virtue of having
been a director or officer of USS.


                                /s/ George F. Babcoke
                                ___________________

Date:  05/12/2014