BOTHELL, Wash.--(BUSINESS WIRE)--Jan. 5, 2006--Seattle Genetics, Inc. (Nasdaq:SGEN) announced today that Clay B. Siegall, Ph.D., President and Chief Executive Officer, will speak at the 24th Annual JPMorgan Healthcare Conference on Thursday, January 12, 2006, at 11:00 a.m. Pacific time. The conference is being held at the Westin St. Francis Hotel in San Francisco, California.