Securities and Exchange Commission

100 F Street, N.E.

Judiciary Plaza

Washington, DC  20549



Ladies and Gentlemen:



  I hereby authorize Erik T. Hoover, Corporate Secretary and Corporate Counsel,

or any Assistant Secretary, or their respective successors in office, to sign and file on my behalf

SEC Forms 3, 4 and 5 or any other SEC forms relating to changes in beneficial ownership of securities

of E. I. du Pont de Nemours and Company.  This authorization shall remain in effect as long as I am

a director of DuPont unless it is earlier specifically revoked by me.



       Very truly yours,



       /s/ Patrick J. Ward



       Patrick J. Ward

             Director





       October 23, 2013

       Date