CRL Charles River Laboratories International Inc

Charles River Laboratories International, Inc. (NYSE:CRL) announced today that Executive Vice President and Chief Financial Officer Thomas F. Ackerman will present at the Jefferies Healthcare Conference in New�York on Wednesday, June 27th, at 3:10 p.m. EDT. Mr. Ackerman will present an overview of Charles River�s business and strategic focus. A live webcast of the presentation will be available through a link that will be posted on the Investor Relations section of the Charles River Laboratories website at http://ir.criver.com. A webcast replay will be accessible through the same website approximately three hours after the presentation and will remain available through July 11, 2007.