Securities and Exchange Commission
100 F Street, N.E.
Judiciary Plaza
Washington, DC 20549
Ladies and Gentlemen:
I hereby authorize Stacy L. Fox, General Counsel and Corporate
Secretary, 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 DowDuPont. This authorization shall remain in
effect as long as I am a director of DowDuPont unless it is earlier specifically revoked by
me.
Very truly yours,
/s/ Lee M. Thomas
Lee M. Thomas
Director
September 5, 2017
Date
DuPont de Nemours (DD)
Filed: 1 Feb 18, 12:00am