Analyst Coverage

Gbola Amusa, MD, CFA

Yigal Nochomovitz

Cowen & Company  
Tyler Van Buren

Gabelli & Company  
Kevin Kedra

Goldman Sachs  
Terence Flynn

JP Morgan Securities  
Anupam Rama

Leerink Swann & Co.  
Joseph Schwartz

Stifel Nicolaus  
Steve Willey

The foregoing list includes the names of all brokerage firms known by the company as of May 2016 to have analysts covering the company. This list may not be complete and is subject to change as firms add or delete coverage. Please note that any opinions, estimates or forecasts regarding the company made by these analysts are theirs alone and may not represent the opinions, estimates or forecasts of the company. The company is providing this listing as a service to its stockholders and is not by this listing implying its endorsement of or concurrence with such analyst reports. Interested persons must obtain copies of analysts' reports on their own; the company does not distribute these reports.