Contacts

Investor Relations

Al Palombo
T: 650-243-3181
ir@humanigen.com

Transfer Agent

Computershare Trust Company, N.A.
250 Royall Street
Canton, MA 02021
T: 800-662-7232
www.computershare.com

Auditor

Horne LLP
1020 Highland Colony Parkway
Suite 400
Ridgeland, MS 39157

Legal Counsel

Polsinelli PC
900 West 48th Place
Suite 900
Kansas City, MO 64112