FRAMINGHAM, Mass.--(BUSINESS WIRE)--GTC Biotherapeutics, Inc. (“GTC”, Nasdaq: GTCB) reported today its financial results for the second quarter ended July 1, 2007. The total net loss for the quarter was $10.6 million, or $0.14 per share, compared with $9.1 million, or $0.15 per share, in the second quarter of 2006. The total net loss for the first six months of 2007 was $18.1 million, or $0.23 per share, compared to $17.6 million, or $0.29 per share, for the first six months of 2006.