BOTHELL, Wash.--(BUSINESS WIRE)--Seattle Genetics, Inc. (Nasdaq: SGEN) announced today that Clay B. Siegall, Ph.D., President and Chief Executive Officer, will present at the 2009 DB-Biotech Boston Confab on Tuesday, December 15, 2009, at 2:35 p.m. Eastern Time. The conference is being held at the Four Seasons Hotel in Boston, MA. The presentation will be webcast live and available for replay from Seattle Genetics’ website, www.seattlegenetics.com, under the "Investors and News" section.