United States Steel Corporation Elects Mario Longhi To President And Chief Operating Officer

  United States Steel Corporation Elects Mario Longhi To President And Chief
                              Operating Officer

PR Newswire

PITTSBURGH, May 30, 2013

PITTSBURGH, May 30, 2013 /PRNewswire/ --United States Steel Corporation
(NYSE: X) Chairman and Chief Executive Officer John P. Surma today announced
that the company's Board of Directors has elected Mario Longhi to the position
of president. Longhi will retain his current role as chief operating officer
and assume additional responsibilities for Risk Management and Human
Resources. The change will take place June 1, and he will remain in

Also effective June 1, Larry T. Brockway, senior vice president and chief risk
officer, and Susan M. Suver, vice president - human resources, will report
directly to Longhi.

Longhi joined U. S. Steel in July 2012 as executive vice president and chief
operating officer with responsibility for the company's North American
flat-rolled, tubular and Central European operations, as well as global
operations services.

"Since joining our company, Mario has integrated swiftly and smoothly into our
operationally intensive, international metals business with a strong focus on
safety, quality, customer service and continuous improvement," said Surma.
"Under his direct leadership, we are implementing initiatives designed to
capture significant and sustainable cost benefits, efficiencies and quality
improvements, while enhancing our market position, creating shareholder value
and maintaining our commitment to our core values. The expansion of his
responsibilities should enable an acceleration of our business performance
improvement plans."

Longhi serves as a member of the Board of Directors of RTI International
Metals, Inc.

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

SOURCE United States Steel Corporation

Website: http://www.ussteel.com
Contact: Courtney Boone, 412.433.6791, or Sarah Cassella, 412.433.6777
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