Investor Relations

WILMINGTON, Mass.--(BUSINESS WIRE)--Jan. 23, 2002--Charles River Laboratories International, Inc. (NYSE: CRL) has scheduled a conference call to discuss fourth quarter 2001 financial results. The call will take place on Thursday, February 7, 2002 at 8:30 a.m. Eastern Standard Time. Charles River will release fourth quarter 2002 results after the market closes on Wednesday, February 6, 2001.

Investors will have an opportunity to listen to a webcast of the conference call through the company's website at http://www.criver.com. To listen to the live webcast, please go to the website any time before the call but at least fifteen minutes prior, to register, download, and install any necessary audio software. For those who cannot listen to the live webcast, a replay will be available on the website shortly after the call and will remain available for one week.

Charles River Laboratories, based in Wilmington, Massachusetts, is a leading provider of critical research tools and integrated support services that enable innovative and efficient drug discovery and development. The Company is the global leader in providing the animal research models required in research and development for new drugs, devices and therapies. The Company also offers a broad and growing portfolio of biomedical products and services that enable customers to reduce cost, increase speed, and enhance productivity and effectiveness in drug discovery and development. Charles River's customer base spans over 50 countries, and includes all of the major pharmaceutical and biotechnology companies, as well as many leading hospitals and academic institutions. The Company operates 76 facilities in 15 countries worldwide. For more information, visit the Company's web site at http://www.criver.com.

--30--af/bos*