WILMINGTON, Mass.--(BUSINESS WIRE)--June 26, 2006--Charles River Laboratories International, Inc. (NYSE: CRL - News) announced today that Executive Vice President and Chief Financial Officer Thomas F. Ackerman will present at the Jefferies Life Sciences Conference in New York, on Tuesday, June 27th, at 9:00 a.m. ET. Mr. Ackerman will present an overview of Charles River’s business and strategic focus.