Charles River Laboratories International, Inc. (NYSE: CRL) announced today that it will present at the J.P. Morgan 30th Annual Healthcare Conference in San Francisco, California on Wednesday, January 11th, at 8:30 a.m. PST (11:30 a.m. EST). Management will present an overview of Charles River's strategic focus and business developments.

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 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 January 25, 2012.

Charles River Laboratories International, Inc.
Investor Relations Contact:
Susan E. Hardy, 781-222-6190
Corporate Vice President, Investor Relations