Seattle Genetics, Inc. (NASDAQ:SGEN) announced today that Clay B. Siegall, Ph.D., President and Chief Executive Officer, will present at the Morgan Stanley Global Healthcare Conference on Tuesday, September 10, 2013, at 2:05 p.m. Eastern Time. The presentation will be webcast live and available for replay from Seattle Genetics’ website at www.seattlegenetics.com in the Investors and News section. About Seattle Genetics Seattle Genetics is a biotechnology company focused on the development and commercialization of monoclonal antibody-based therapies for the treatment of cancer. The company’s lead program, ADCETRIS ® (brentuximab vedotin), received accelerated approval from the U.S. Food and Drug Administration in August 2011 and approval with conditions from Health Canada in February 2013 for two indications. In addition, under a collaboration with Millennium: The Takeda Oncology Company, ADCETRIS received conditional approval from the European Commission in October 2012. Seattle Genetics is also advancing a robust pipeline of clinical-stage ADC programs: SGN-75, ASG-22ME, SGN-CD19A, SGN-CD33A, ASG-15ME and SGN-LIV1A. Seattle Genetics has collaborations for its ADC technology with a number of leading biotechnology and pharmaceutical companies, including AbbVie, Agensys (an affiliate of Astellas), Bayer, Celldex, Daiichi Sankyo, Genentech, GlaxoSmithKline, Millennium, Pfizer and Progenics, as well as ADC co-development agreements with Agensys and Genmab. More information can be found at www.seattlegenetics.com.