August 6, 2026 – 7:45 AM ET Amsterdam, the Netherlands – argenx (Euronext & Nasdaq: ARGX), a global immunology innovation company today announced that Avena Merger Sub Inc. (“Purchaser”), a wholly-owned subsidiary of argenx BV (“argenx”), has commenced a tender offer to purchase all of the issued and outstanding shares of Common Stock, par value $0.001 per share (the “Shares”), of Forte Biosciences, Inc. (“Forte”) (Nasdaq: FBRX), for $77.00 per Share, net to the seller in cash, without interest, subject to any applicable withholding taxes, and upon the terms and subject to the conditions set forth in the Offer to Purchase, dated August 6, 2026, and the accompanying Letter of Transmittal (together, and with other related materials, as they may be amended or supplemented from time to time, the “Offer”). The Offer is being made pursuant to an Agreement and Plan of Merger, dated as of July 26, 2026, by and among Forte, argenx and Purchaser (the “Merger Agreement”).