BOTHELL, Wash.--(BUSINESS WIRE)--Seattle Genetics, Inc. (Nasdaq: SGEN) announced today that Clay B. Siegall, Ph.D., President and Chief Executive Officer, will speak at the 27th Annual J.P. Morgan Healthcare Conference on Monday, January 12, 2009, at 3:00 p.m. Pacific Time. A live webcast of the presentation will be available from Seattle Genetics’ website, www.seattlegenetics.com, under the “News and Investor Information” section. The conference is being held at the Westin St. Francis Hotel in San Francisco, California.