Charles River Schedules 2012 Guidance Release and Conference Call

Charles River Laboratories International, Inc. (NYSE: CRL) will issue a press release to provide 2012 financial guidance on Wednesday, December 14^th, before the market opens. A conference call has been scheduled to discuss the guidance on Wednesday, December 14^th, at 8:30 a.m. ET. An overview of Charles River's strategic focus and business developments will also be discussed.

Investors will have the opportunity to listen to a live webcast of the conference call through the Investor Relations section of the Company's website at ir.criver.com. A replay will be accessible through the same website.