Bio-Reference Laboratories, Inc. (NASDAQ: BRLI) announced today it plans to issue earnings results for the fourth quarter and fiscal year 2011 before the open of market trading on Thursday, December 8 th, 2011. The Company’s earnings conference call is to take place the same day at 10:30 a.m. EST. The call will be hosted by Marc D. Grodman M.D., President and Chief Executive Officer.

The live Web cast will be available at the Company’s corporate Web site, www.bioreference.com and through www.streetevents.com. To listen to the live call please go to the Web site ten minutes before the conference call is scheduled 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 call.

About BioReference Laboratories, Inc.

BRLI is the fourth largest full service laboratory in the United States and the largest independent regional laboratory in the Northeastern market, primarily a clinical testing laboratory servicing physician offices with concentrations in the focused markets of esoteric testing, molecular diagnostics, anatomical pathology, women’s health and correctional health care. BRLI operates as a national oncology laboratory as GenPath. Better science, superior technology and better service have enabled GenPath to earn a reputation as one of the premier hematopathology laboratories in the country. BRLI’s innovative technology platform for sexually transmitted infections has enabled it to expand as a national laboratory in the area of Women’s Health. GeneDx, a wholly owned subsidiary, is the BRLI genetics laboratory and is typically recognized as the leading laboratory for testing of rare genetic diseases; GeneDx has now become a technology leader with GenomeDx, based on a CGH array platform and its NextGen sequence offerings that are currently offered in cardiology and will be offered in the future in other disease specific areas.

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