WILMINGTON, Mass.--(BUSINESS WIRE)--Charles River Laboratories International, Inc. (NYSE:CRL) will issue a press release to provide 2008 financial guidance on Wednesday, December 12, 2007, after the market closes. A conference call has been scheduled to discuss the guidance on Thursday, December 13, 2007, at 8:30 a.m. ET. An overview of Charles River’s strategic focus and business developments will also be discussed.