About Arbor Vita Corporation Company Vision To create a new generation of human drugs and diagnostics. Business Strategy Arbor Vita Corporation will generate products and revenues through a three-tiered business model: Grow early revenues through out-licensing of diagnostic products and other proprietary technologies. Establish strategic partnerships to facilitate drug discovery and commercialization. In the long term, internally discover and develop drugs to more fully capitalize on its PDZ Drug Discovery Platform. For more information contact our business development team: Peter H. Kilner, Director of Business Development e-mail: peter.kilner@arborvita.com telephone: 408.585.3911 fax: 408.585.3901 Dr. Dave Garman, Associate Director of Business Development e-mail: dave.garman@arborvita.com telephone: 408.585.3914 fax: 408.585.3901

Arbor Vita Corporation 772 Lucerne Drive Sunnyvale, CA 94085 Telephone (408) 585-3900 Fax (408) 585-3901 info@arborvita.com