December 6, 2007 - Mary Ann Gray Elected to GTC Biotherapeutics Board of Directors

December 5, 2007 - GTC Biotherapeutics Obtains Licenses to Factor IX, Factor VIII and Fibrinogen

November 26, 2007 - LEO Pharma announces "ATrynŽ - a safe drug without use of donor blood"

November 20, 2007 - GTC Biotherapeutics to Webcast Corporate Presentation at the Lazard Capital Markets Fourth Annual Healthcare Conference

November 1, 2007 - GTC Biotherapeutics Reports Third Quarter 2007 Financial Results

October 30, 2007 - GTC Biotherapeutics to Webcast Corporate Presentation at the Acumen Biofin Rodman & Renshaw 9th Annual Healthcare Conference

October 25, 2007 - GTC Biotherapeutics to Host Third Quarter 2007 Earnings Call and Webcast on Thursday, November 1, 2007

October 3, 2007 - GTC Biotherapeutics to Webcast Corporate Presentation at the BIO InvestorForum 2007

September 12, 2007 - GTC Biotherapeutics to Webcast Corporate Presentation at the G5 - ThinkEquity Partners' Fifth Annual Growth Conference

September 4, 2007 - GTC Obtains FDA Fast Track Designation for ATrynŽ and Permission to Submit a Rolling BLA

August 9, 2007 - GTC Biotherapeutics Reports Second Quarter 2007 Financial Results

August 6, 2007 - First Patient Enrolled into ATrynŽ Phase II Study in DIC Indication

August 3, 2007 - GTC Biotherapeutics to Host Second Quarter 2007 Earnings Call and Webcast on Thursday, August 9, 2007

August 2, 2007 - GTC Biotherapeutics and LFB Biotechnologies Developing CD20 Antibody

July 17, 2007 - GTC Biotherapeutics Awarded State Training Grant

July 11, 2007 - ISTH CONGRESS HIGHLIGHTS: Continuous peri-operative infusion of antithrombin alfa normalises VTE risk in patients with hereditary anti-thrombin deficiency; Oral dabigatran can prevent VTEs in hip surgery patients

July 9, 2007 - ATrynŽ Introduced at International Society on Thrombosis and Haemostasis Congress

July 5, 2007 - GTC Biotherapeutics to Webcast Corporate Presentation at the C.E. Unterberg, Towbin Emerging Growth Life Opportunities Conference

May 24, 2007 - GTC Biotherapeutics Reports Results of 2007 Annual Meeting

May 16, 2007 - GTC Biotherapeutics to Webcast Annual Meeting on May 23, 2007

May 8, 2007 - GTC Biotherapeutics to Webcast Corporate Presentation at the Acumen Biofin Rodman & Renshaw 4th Annual Global Healthcare Conference

May 3, 2007 - GTC Biotherapeutics Reports First Quarter 2007 Financial Results

April 27, 2007 - GTC Biotherapeutics to Host First Quarter 2007 Earnings Call and Webcast on Thursday, May 3, 2007

April 10, 2007 - GTC Biotherapeutics Obtains License to Nuclear Transfer Patents

April 3, 2007 - GTC Biotherapeutics Expands Business Development and Commercial Development Capabilities

March 13, 2007 - GTC Biotherapeutics Grants Expanded License to PharmAthene for Further Development of ProtexiaŽ

March 6, 2007 - GTC Biotherapeutics to Webcast Corporate Presentation at Cowen & Company's 27th Annual Healthcare Conference

March 5, 2007 - GTC Biotherapeutics Reports Fourth Quarter and Year End 2006 Financial Results

March 2, 2007 - GTC Biotherapeutics Enters into Process Development and Clinical Supply Manufacturing Services Agreement with PharmAthene for ProtexiaŽ

February 26, 2007 - GTC Biotherapeutics to Host Fourth Quarter and Year End 2006 Earnings Call and Webcast on Monday, March 5, 2007

February 5, 2007 - GTC Biotherapeutics to Webcast Corporate Presentation at BIO CEO & Investor Conference 2007

January 3, 2007 - ATrynŽ Market Authorization Transferred to LEO Pharma A/S