argenx announces Extraordinary General Meeting of Shareholders on November 18, 2025

October 3, 2025

Amsterdam, the Netherlands – argenx SE (Euronext & Nasdaq: ARGX), a global immunology company committed to improving the lives of people suffering from severe autoimmune diseases, today announced that the Extraordinary General Meeting of shareholders will be held at 14:00 CET on Tuesday, November 18, 2025 at the offices of Freshfields LLP (Netherlands), Strawinskylaan 10, 1077 XZ Amsterdam, the Netherlands.

The shareholders and all other persons with meeting rights are invited to attend the Extraordinary General Meeting of shareholders. The formal notice of convocation (including information on attending the meeting in person or by proxy, requirements for notification and registration for the meeting and regarding the e-voting system) is available on the argenx website www.argenx.com and on www.abnamro.com/evoting.

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