Edited Transcripts from Quarterly CC’s [Added several entries for 2005-2006 CC’s. Note: the original audio from several of these CC’s is available at: <a href="http://gtc-bio.com/investorinfo/soundfilearchives.html" target="_blank">http://gtc-bio.com/investorinfo/soundfilearchives.html</a> .] 2008: 1Q08 (05/08/08) <a href='read_msg.asp?message_id=29148987'>#msg-29148987</a> 2007: 4Q07 (03/06/08) <a href='read_msg.asp?message_id=27446643'>#msg-27446643</a> 3Q07 (11/01/07) <a href='read_msg.asp?message_id=24216158'>#msg-24216158</a> 2Q07 (08/09/07) <a href='read_msg.asp?message_id=22015291'>#msg-22015291</a> 1Q07 (05/03/07) <a href='read_msg.asp?message_id=19390137'>#msg-19390137</a> 2006: 4Q06 (03/05/07) <a href='read_msg.asp?message_id=17607391'>#msg-17607391</a> 3Q06 (11/02/06) <a href='read_msg.asp?message_id=14736913'>#msg-14736913</a> 2Q06 (08/03/06) <a href='read_msg.asp?message_id=12468464'>#msg-12468464</a> 1Q06 (04/30/06) <a href='read_msg.asp?message_id=10886530'>#msg-10886530</a> 2005: 4Q05 (02/23/06) <a href='read_msg.asp?message_id=9856708'>#msg-9856708</a> 3Q05 (11-02-05) <a href=http://gtc-bio.com/investorinfo/transcript3rdQ2005.PDF >click here twice</a> 2Q05 (08-11-95) <a href=http://gtc-bio.com/investorinfo/q205transcript.pdf>click here twice</a> 1Q05 (04-28-05) <a href=http://gtc-bio.com/investorinfo/GTCBTranscript20050428T14001.pdf>click here twice</a> 2004: 4Q04 (03-02-05) <a href=http://gtc-bio.com/investorinfo/GTCB-Transcript-2005-03-02T15-00.pdf>click here twice</a> <!--Beg_Sig--> <a href=http://www.investorshub.com/boards/board.asp?board_id=1418>Let’s talk biotech!</a> “The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”