FRAMINGHAM, Mass.--(BUSINESS WIRE)--May 17, 2006--GTC Biotherapeutics, Inc. (“GTC”) (Nasdaq: GTCB - News) will webcast its 2006 Annual Meeting of Stockholders on May 24, 2006 starting at approximately 2:00 p.m. Eastern Time. The annual meeting is to be held at the Forefront Center for Meetings & Conferences in Waltham, Massachusetts. GTC expects to conduct the formal business portion of the meeting followed by a presentation to its stockholders.