Arsanis, Inc.
890 Winter Street, Suite 230
Waltham, MA 02451-1472
Telephone: +1.781.819.5704
Email: info@arsanis.com

Arsanis Biosciences GmbH
Helmut-Qualtinger-Gasse 2/1
1030 Vienna, Austria
Telephone: +43.1.7990117
Email: office@arsanis.com

Investor Contact:
Mike Gray
Chief Financial Officer and Chief Business Officer
mike.gray@arsanis.com

Media Contact:
Krystle Gibbs, Ten Bridge Communications
krystle@tenbridgecommunications.com