Contact

Company Contact

1111 Main Street
Suite 660
Vancouver, WA 98660
Telephone: (360) 980-8524
Facsimile: (360) 980-8549

Investor Relations

LHA
2121 Avenue of the Stars, Suite 2970
Los Angeles, CA 90067
Contact: Jody Cain, Senior Vice President
Office: 310-691-7100

Business Development

Nader Z. Pourhassan, Ph.D.
(360) 980-8524
E-Mail

Stock Transfer Agent

Computershare
P.O. BOX 30170
College Station, TX 77842-3170
(800) 962-4284

Overnight correspondence should be sent to:

Computershare
211 Quality Circle, Suite 210
College Station, TX 77845