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 UBS Global Life Sciences Conference on Tuesday, September 22, 2009, at 2:00 p.m. Eastern Time. The conference is being held at the Grand Hyatt Hotel in New York City.