United States Steel (X) 8-K Departure of Directors or Certain Officers

Exhibit 99.1

United States Steel Corporation

Public Affairs

600 Grant Street

Pittsburgh, PA 15219-2800

News

Contact:    Courtney Boone

412.433.6791

Sarah Cassella

412.433.6777            

FOR IMMEDIATE RELEASE

UNITED STATES STEEL CORPORATION BOARD ELECTS

DAVID S. SUTHERLAND NON-EXECUTIVE CHAIRMAN

PITTSBURGH, Nov. 27, 2013 – United States Steel Corporation (NYSE: X) today announced that its Board of Directors elected David S. Sutherland to the position of independent, non-executive chairman effective Jan. 1, 2014, consistent with contemporary corporate governance practices. As previously announced, executive chairman John P. Surma will retire on Dec. 31, 2013.

Sutherland, 64, joined the U. S. Steel board in 2008 and serves on the Compensation and Organization Committee and the Corporate Governance and Public Policy Committee. He is the retired president and chief executive officer of the former IPSCO, Inc., a leading North American steel producer. Sutherland is also a director of GATX Corporation and Imperial Oil, Ltd.

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

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2013-0041