Charles River Laboratories International, Inc. (NYSE: CRL) announced today that it will present at the Jefferies 2014 Global Healthcare Conference in New York, New York on Tuesday, June 3 rd, at 11:00 a.m. EDT, and the William Blair 34 th Annual Growth Stock Conference in Chicago, Illinois on Wednesday, June 11 th, at 10:40 a.m. CDT (11:40 a.m. EDT). Management will present an overview of Charles River’s strategic focus and business developments. A live webcast of each presentation will be available through a link that will be posted on the Investor Relations section of the Charles River website at ir.criver.com. A webcast replay will be accessible through the same website approximately three hours after each presentation and will remain available for approximately two weeks. About Charles River 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 www.criver.com.