Declan P. Quirke Managing Director Head of Life Sciences declan.quirke@cowen.com Mr. Quirke, Head of Health Care M&A for Cowen and Company, joined the firm in 2001 from Robertson Stephens where he was Co-Head of their East Coast M&A activities. Prior to Robertson, he was a Managing Director in PaineWebber’s M&A Group responsible for all of their Technology and Healthcare M&A. Mr. Quirke focuses on Cowen’s Biotechnology, Specialty Pharmaceutical and Pharmaceutical and Healthcare Services sectors in Europe and North America. Mr. Quirke has originated and executed a large number of transactions across a range of geographies and sectors, including mergers, acquisitions, divestitures, exclusive sales, spin offs and other assorted defense and financial advisory assignments. Mr. Quirke received an M.B.A. from Columbia University Graduate School of Business and a B.E. in Mechanical Engineering from University College Dublin, Ireland. Prior to business school, Mr. Quirke was a Project Engineer for Babcock Power PLC, a nuclear and defense contractor in the UK.

Owen L. Hart Managing Director owen.hart@cowen.com Mr. Hart is a Managing Director of Mergers & Acquisitions with Cowen and Company and oversees Cowen’s Consumer M&A practice. In his more than 23 years in investment banking, Mr. Hart has advised clients on over 150 M&A engagements. Prior to joining Cowen, he was a Founding Partner of Thomas Weisel Partners and Head of Consumer, Business Services and Semiconductor M&A. Prior to founding Thomas Weisel Partners, Mr. Hart served as Senior Managing Director at Montgomery Securities, overseeing M&A in the Consumer and Business Services sectors. He began his investment banking career at Drexel Burnham Lambert and also worked at Lazard Freres & Co before joining Montgomery Securities in 1994. Mr. Hart holds an M.B.A. from the Wharton School of the University of Pennsylvania, an M.L.A. from the University of Pennsylvania and a B.A. from Tufts University.

Mark F. Secrest Managing Director mark.secrest@cowen.com Mr. Secrest is a Managing Director in Cowen and Company’s Health Care Investment Banking Group focusing on the medical technology and life science tools sectors. He is also the Chairman of Cowen’s Fairness Opinion Review Committee. He joined Cowen in April 1998 from UBS Securities where he spent three years in the Mergers & Acquisitions Department. Prior to joining UBS, Mr. Secrest spent more than five years at Kidder, Peabody & Co. Mr. Secrest holds a B.A. from Stanford University and an M.B.A. from The Stern School of Business at New York University.