FRAMINGHAM, Mass.--(BUSINESS WIRE)--GTC Biotherapeutics, Inc. (“GTC”, NASDAQ: GTCB) announced today that Geoffrey Cox, Ph.D., GTC’s Chairman and CEO, is scheduled to present on Wednesday, March 17, 2010 at 2:00 p.m. during the ROTH 22nd Annual OC Growth Stock Conference. The conference is being held at the Ritz-Carlton, Laguna Niguel, California from March 15-17, 2010.