Lance C. Balk has been a director of the Company since March 2000. Since November 2007, Mr. Balk has served as Senior Vice President and General Counsel of Siemens Healthcare Diagnostics. From May 2006 to November 2007, he served in those positions with Dade Behring, a leading supplier of products, systems and services for clinical diagnostics, which was acquired by Siemens Healthcare Diagnostics in November 2007. Siemens Healthcare Diagnostics is the world's largest provider of diagnostic products, formed by the strategic combination of Bayer HealthCare Diagnostics Division, Diagnostic Products Corporation and Dade Behring. Previously, he had been a partner of Kirkland & Ellis LLP since 1989, specializing in securities law and mergers and acquisitions. Mr. Balk received a B.A. degree from Northwestern University and a J.D. degree and an M.B.A. degree from the University of Chicago.