Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ Patricia Diaz Dennis
Patricia Diaz Dennis
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ Dan O. Dinges
Dan O. Dinges
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ John G. Drosdick
John G. Drosdick
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ John J. Engel
John J. Engel
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ Richard A. Gephardt
Richard A. Gephardt
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ Murry S. Gerber
Murry S. Gerber
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ Thomas W. LaSorda
Thomas W. LaSorda
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ Charles R. Lee
Charles R. Lee
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ Glenda G. McNeal
Glenda G. McNeal
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ Seth E. Schofield
Seth E. Schofield
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ Robert J. Stevens
Robert J. Stevens
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ David S. Sutherland
David S. Sutherland
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
That the undersigned does hereby make, constitute and appoint M. Longhi, D. B. Burritt and C. M. Darragh or any one of them, my true and lawful attorneys-in-fact to sign and execute for me and on my behalf United States Steel Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014 to be filed with the Securities and Exchange Commission, and any and all amendments to such report to be filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, in such form as they or any one or more of them may approve, and to do any and all other acts which said attorneys-in-fact may deem necessary or desirable to enable United States Steel Corporation to comply with said Act and the rules and regulations thereunder.
IN WITNESS WHEREOF, I have hereunto set my hand this 24th day of February, 2015.
/s/ Patricia A. Tracey
Patricia A. Tracey