Company Information

Tecogen, Inc.
45 First Avenue
Waltham, MA 02451
781-466-6400
Toll Free: 800-678-0550
24 Hour Emergency Service: 800-317-6558
Fax: 781-466-6466
E-mail: products@tecogen.com

Investor Relations

Tecogen Inc.
Ariel Fromer Babcock
Director, Investor Relations
45 First Avenue
Waltham, MA 02451
T: (781) 466-6413
InvestorRelations@Tecogen.com

Transfer Agent

VStock Transfer, LLC
18 Lafayette Place
Woodmere, NY 11598
T: (212) 828-8436
F: (885) 983-8625
www.VStockTransfer.com