Covance Completes the Acquisition of the Phase I/IIA Business of Radiant Research Inc.

PRINCETON, N.J., May 31, 2006 /PRNewswire-FirstCall via COMTEX News Network/ -- Covance Inc. (NYSE: CVD) announced today that it has completed the acquisition of the Early Phase Clinical Research Business Unit (Phase I/IIA) of Radiant Research Inc. This acquisition includes eight sites located in Austin, Texas; Boise, Idaho; Dallas, Texas; Daytona Beach, Fla.; Gainesville, Fla.; Honolulu, Hawaii; Portland, Ore.; and San Diego, Calif.

Covance, with headquarters in Princeton, New Jersey, is one of the world's largest and most comprehensive drug development services companies with annual revenues greater than $1 billion, global operations in more than 20 countries, and more than 7,400 employees worldwide. Information on Covance's products and services, recent press releases, and SEC filings can be obtained through its website at