Computershare
Website: www.computershare.com/investor
Email address: shareholder@computershare.com
Address written stockholder inquiries to:
Computershare
P.O. BOX 505000
Louisville, KY 40233 U.S.A.
If sending written stockholder inquiries by overnight mail:
Computershare
462 South 4th Street, Suite 1600
Louisville, KY 40202 U.S.A.
Please include your name, address, daytime telephone number, account number, and company name (DowDuPont Inc.) on all correspondence.
Telephone: 1-866-644-4129
1-201-680-6578 (Outside the U.S. and Canada)
Telephone representatives are available from 8:00 A.M. to 8:00 P.M. Eastern Time, Monday through Friday. The interactive voice response is available twenty-four hours a day, seven days per week.