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About Astellas Pharma Inc.

Astellas Pharma Inc., located in Tokyo, Japan, is a pharmaceutical company dedicated to improving the health of people around the world through the provision of innovative and reliable pharmaceutical products. Astellas has approximately 17,000 employees worldwide. The organization is committed to becoming a global category leader in Urology, Immunology (including Transplantation) and Infectious Diseases, Oncology, Neuroscience and Diabetes Mellitus (DM) Complications and Kidney Diseases. For more information on Astellas Pharma Inc., please visit the company Website at www.astellas.com/en.

About Astellas Venture Management LLC

Astellas Venture Management's mission is to invest in emerging biotech companies that combine unique scientific capabilities with the potential for global market leadership and a management team driven by ambition for success of the company. To learn more about Astellas Venture Management, please visit the company's website at www.astellasventure.com.

About Drais Pharmaceuticals, Inc.

Drais Pharmaceuticals, Inc. is a privately held drug development company dedicated to the in-licensing, development and commercialization of novel therapeutic treatments that address unmet medical needs, providing significant benefits over currently available therapies.

Formed in September 2007, Drais completed a Series A financing round in January 2008 from lead investors, InterWest Partners (Menlo Park, CA) and Sutter Hill Ventures (Palo Alto, CA). The Drais management team consists of highly experienced individuals with a successful track record in the pharmaceutical industry. Prior to forming Drais, the management team founded AkaRx, Inc. (acquired by Eisai/MGI in 2010 for $300 million). Drais is based in Bridgewater, New Jersey.

For more information, please visit: http://www.draispharma.com.

About InterWest Partners

For more than 30 years InterWest (www.interwest.com) has partnered with exceptional entrepreneurs to build winning technology and life sciences companies. With more than 200 years of combined operating and investing experience, our team has raised $2.8B, completed more than 70 IPOs, and participated in nearly 60 upside acquisitions. As we invest InterWest X, a $650M fund, we continue to believe that providing capital is just the beginning of a long-term collaboration with entrepreneurs to turn their vision into a thriving company.

About Sutter Hill Ventures

Sutter Hill Ventures is a venture capital firm that finances technology-based start-up and early-stage companies that pioneer products or services in growth markets, especially those in information technology and health care. Founded in 1964, it is one of Silicon Valley's original venture capital firms. For more information about Sutter Hill Ventures, please visit www.shv.com.



Contacts:

Astellas Pharma Inc.

Corporate Communications
Tel: +81-3-3244-3201
Fax: +81-3-5201-7473
http://www.astellas.com/en

Drais Pharmaceuticals Inc.

Donna Tempel
President and CEO
Drais Pharmaceuticals Inc.
908-895-1211
Email Contact

Eliot Dobris
Email Contact
415-902-1241