Contact Information

Headquarters
Cartesian
7300 College Boulevard
Suite 302
Overland Park, KS 66210
Phone: 913-345-9315
Investor Relations
Liolios Group, Inc.
Phone: 949-574-3860
Email: Email Us
Transfer Agent
Computershare
P.O. Box 30170
College Station, TX 77842-3170

Overnight correspondence should be sent to:
Computershare
211 Quality Circle, Suite 210
College Station, TX 77845

Phone:
800-884-4225 (US/Canada)
781-575-4706 (Intl)

Website:
www.computershare.com/investor

Shareholder online inquiries:
https://www-us.computershare.com/investor/Contact