January 7-10, 2008, JPMorgan 26th Annual Healthcare Conference San Francisco

January 30-31, 2008, Wachovia Securities 2008 Healthcare Conference Boston

February 5 - 7, 2008, Merrill Lynch 2008 Global Pharmaceutical Biotechnology & Medical Device Conference New York

February 6 - 8, 2008, Credit Suisse Financial Services Conference Florida

February 11-13, 2008, UBS Global Healthcare Services Conference New York

February 13-15, 2008, Deutsche Bank Small and Mid Cap Growth Conference Naples, FL

February 24-28, 2008, HIMSS 2008 Conference Orlando, Florida

February 28, 2008, Specialty Pharma Up & Comers Day New York

March 5 - 6, 2008, Credit Suisse Global Biotechnology Conference London

March 17-20 2008, Cowen & Co. 28th Annual Health Care Conference Boston

March 18-20 2008, Lehman Brothers Annual Global Healthcare Conference Miami

March 31 - April 3, 2008, The 11th Asian Investment Conference Hong Kong

May 5 - 7, 2008, Deutsche Bank Healthcare Conference Boston, MA

May 13 - 15, 2008, RW Baird Growth Stock Conference Chicago

May 13 -15, 2008, Bank of America Health Care Conference Las Vegas, NV

May 13 -15, 2008, Citigroup Healthcare Conference New York

June 9 -12, 2008 Goldman Sachs Annual Global Healthcare Conference Dana Point, CA

June 17 - 18, 2008 EMEA Nano-Tech Conference London

September 16, 2008 Annual Chemical Conference New York

November 3-5, 2008, Oppenheimer & Co. 19th Annual Healthcare Conference New York

December 11-12, 2008 NYSSA Biotech & Specialty Pharma Conference New York