Charles River Laboratories Schedules 2013 Guidance Release and Conference Call

Charles River Laboratories Schedules 2013 Guidance Release and Conference Call

<0> Investor Relations Contact:Charles River Laboratories International, Inc.Susan E. Hardy, 781-222-6190Corporate Vice President, Investor Relations </0>

Charles River Laboratories International, Inc. (NYSE: CRL) will issue a press release to provide 2013 financial guidance on Wednesday, December 12, before the market opens. A conference call has been scheduled to discuss the guidance on Wednesday, December 12, 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 . A replay will be accessible through the same website.

Accelerating Drug Development. Exactly. Charles River provides essential products and services to help pharmaceutical and biotechnology companies, government agencies and leading academic institutions around the globe accelerate their research and drug development efforts. Our dedicated employees are focused on providing clients with exactly what they need to improve and expedite the discovery, early-stage development and safe manufacture of new therapies for the patients who need them. To learn more about our unique portfolio and breadth of services, visit .