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 Susquehanna Financial Group “SIGnificant Investment Options in Healthcare” conference on Thursday, March 1, 2007, at 4:00 p.m. Eastern Time. The conference is being held at the Omni Berkshire Place hotel in New York City.