Attached files

file filename
EX-95 - EXHIBIT - UNITED STATES STEEL CORPx2014930ex95.htm
EX-31.1 - EXHIBIT - UNITED STATES STEEL CORPx2014930ex311.htm
EX-31.2 - EXHIBIT - UNITED STATES STEEL CORPx2014930ex312.htm
EX-32.2 - EXHIBIT - UNITED STATES STEEL CORPx2014930ex322.htm
EXCEL - IDEA: XBRL DOCUMENT - UNITED STATES STEEL CORPFinancial_Report.xls
10-Q - 10-Q - UNITED STATES STEEL CORPx201493010q.htm
Exhibit 32.1

CHIEF EXECUTIVE OFFICER
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
I, Mario Longhi, President and Chief Executive Officer of United States Steel Corporation, certify that:
(1)
The Quarterly Report on Form 10-Q of United States Steel Corporation for the period ending September 30, 2014, fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)
The information contained in the foregoing report fairly presents, in all material respects, the financial condition and results of operations of United States Steel Corporation.
/s/ Mario Longhi
Mario Longhi
President and Chief Executive Officer
October 29, 2014
A signed original of this written statement required by Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to United States Steel Corporation and will be retained by United States Steel Corporation and furnished to the Securities and Exchange Commission or its staff upon request.