BioReference Laboratories, Inc. to Speak at the Bank of America Securities Healthcare Conference.

ELMWOOD PARK, N.J. -- BioReference Laboratories, Inc. (NASDAQ - "BRLI") announced today that Marc D. Grodman M.D., President and Chief Executive Officer, is scheduled to speak at the Bank of America Securities HealthCare Conference on Thursday, May 31, 2007, at The Four Seasons Hotel located in Las Vegas, NV. The BioReference Laboratories presentation is scheduled to begin at 11:20 a.m. Mountain Daylight Time.

Those wishing to listen to the live audio Web cast may access it on the Company's corporate Web site, www.bioreference.com, or at the following site: http://www.veracast.com/webcasts/bas/healthcare07/id26206138.cfm. Please go to either site ten minutes before the presentation is ready to begin. You will need to register as well as download and install any necessary audio software. The Web cast will be archived, on both Web sites, for 30 days following the presentation.

About BioReference Laboratories, Inc.

The Company is the largest independent regional clinical laboratory in the Northeast and has major market positions in physician offices, nursing homes and correctional institutions. The Company is a full service clinical laboratory with specialty capability, especially in the areas of genomics, oncology, correctional health, and complimentary medicine. PSIMedica, a business unit of the Company, is a clinical knowledge management (CKM) organization offering an array of information solutions for reducing healthcare costs and improving quality performance based on a flexible, scalable software analytical engine that utilizes all available source information, including claims data, enrollment data, prescription data and laboratory data. The Company provides a comprehensive connectivity solution to physicians that includes disease management, laboratory reporting and ordering, as well as claims and eligibility processing through CareEvolve, its web-based healthcare portal.