Event Details

The full year results will be discussed during a conference call and webcast presentation today at 3 pm CET/9am EST. To participate in the conference call, please select your phone number below and use the confirmation code 9795988. The webcast may be accessed on the homepage of the argenx website at www.argenx.com or by clicking here: https://edge.media-server.com/m6/p/778fwngc

Please dial in 5–10 minutes prior to 3 p.m. CET/ 9 a.m. ET using the number and conference ID below.

Confirmation Code: 9795988

A question and answer session will follow the presentation of the results. Go to www.argenx.com to access the

live audio webcast. The archived webcast will also be available (90 days) for replay shortly after the close of

the call from the “Downloads” section of the argenx website.

Belgium +32 (0)2 400 9874

Belgium 0800 48740

France +33 (0)1 767 00794

France 0805 103028

Netherlands +31 (0)20 714 3545

Netherlands 0800 0249557

United Kingdom +44 (0)844 571 8892

United Kingdom 0800 376 7922

United States +1 (631) 510 7495

United States +1 (866) 966 1396