Princeton, New Jersey, September 26, 2006 — Covance Inc. (NYSE: CVD), one of the world’s largest and most comprehensive drug development services companies, today announced the appointment of two new epidemiologists, Paige Chavers, MSPH, BSN, and Zdravko Vassilev, M.D., MPH, who join the Covance Periapproval team to provide scientific and technical support in epidemiology, clinical outcomes, and risk management.