CONTACT HUMANIGEN*

* For inquiries regarding Humanigen Australia Proprietary Limited (“Humanigen Australia Pty Ltd”), please contact:

Bob Atwill

Head of Asia-Pacific Region

batwill@humanigen.com

For information regarding Humanigen Europe Limited, please contact:

HGEN-EULtd@humanigen.com

Humanigen Europe Limited

2nd Floor, 1-2 Victoria Buildings, Haddington Road, Dublin 4,
Dublin, Ireland, D04 XN32

For information regarding Humanigen's UK subsidiary, please contact:

HGEN-UKLtd@humanigen.com

Humanigen Ltd.

5 Fleet Place, London, United Kingdom, EC4M 7RD