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
c/o Shareholder Services
P.O. Box 505002
Louisville, KY 40233-5002
800-962-4284

Overnight correspondence should be sent to:

Computershare
c/o Shareholder Services
462 South 4th Street
Suite 1600
Louisville, KY 40202