Charles River Laboratories International, Inc. (NYSE: CRL) will release fourth-quarter and full-year 2010 financial results on Tuesday, February 8th, after the market closes. A conference call has been scheduled to discuss this information on Wednesday, February 9th, at 8:30 a.m. ET.

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 approximately two hours following the conference call.

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