BOTHELL, Wash.--(BUSINESS WIRE)--Seattle Genetics, Inc. (NASDAQ:SGEN) announced today that Todd E. Simpson, Chief Financial Officer, will speak at the 8th Annual Needham Life Sciences Conference on Wednesday, June 10, 2009, at 11:00 a.m. Eastern 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 New York Palace Hotel.