argenx to Present at Key Investor Conferences

Breda, the Netherlands / Ghent, Belgium– argenx (Euronext Brussels: ARGX), a clinical-stage biopharmaceutical company focused on creating and developing differentiated therapeutic antibodies for the treatment of cancer and severe autoimmune diseases, today announced that Chief Executive Officer, Tim Van Hauwermeiren and Chief Financial Officer, Eric Castaldi, will be participating in several upcoming investor conferences in November and December:

• 4th Annual KBC Securities Benelux Biotech & Healthcare Conferenceon Tuesday, November 10, 2015 in New York City.
• Stifel Healthcare Conference 2015on Tuesday, November 17, 2015 in New York City with a corporate presentation.
• Jefferies 2015 Global Healthcare Conferenceon Thursday, November 19, 2015 in London.
• Bank Degroof Petercam Healthcare CEO Seminaron Wednesday, November 25, 2015 in Brussels.
• Piper Jaffray 27th Annual Healthcare Conferenceon Tuesday, December 1-2, 2015 in New York City with a corporate presentation.