Analyst Coverage

Griffin Securities
Keith A. Markey, Ph.D., M.B.A.
Tel. 212.514.7914 / kmarkey@griffinsecurities.com

Burrill & Company
Elemer Piros, Ph.D
Tel. 415.218.4037 / epiros@b-c.com

Zacks Investment Research
Grant Zeng, CFA
Tel. 312.265.9466 / gzeng@zacks.com