Broadridge Financial : argenx announces closing of global offering

argenx SE (Euronext & Nasdaq: ARGX), a global immunology company committed to improving the lives of people suffering from severe autoimmune diseases and cancer, announced today the closing of its previously announced global offering of an aggregate of 3,593,750 ordinary shares (including ordinary shares represented by American Depositary Shares (ADSs)), which includes the full exercise of the underwriters' option to purchase 468,750 ordinary shares in the form of ADSs.

The gross proceeds from the global offering were approximately $1.15 billion (approximately EUR954.8 million).

J.P. Morgan, Morgan Stanley, BofA Securities and Cowen acted as joint bookrunning managers for the offering.

The securities were offered in the United States pursuant to an automatically effective shelf registration statement that was previously filed with the Securities and Exchange Commission (SEC). A preliminary prospectus supplement relating to the securities was filed with the SEC on February 1, 2021 and a final prospectus supplement relating to the securities was filed with the SEC on February 4, 2021 and are available on the SEC's website at www.sec.gov. Copies of the final prospectus supplement and the accompanying prospectus relating to the U.S. offering may be obtained for free from J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, or by telephone at [phone], or by email at [e-mail]; from Morgan Stanley & Co. LLC, 180 Varick Street, 2nd Floor, New York, NY 10014, Attn: Prospectus Department, by email at [e-mail], or by telephone at [phone]; from BofA Securities, NC1-004-03-43, 200 North College street, 3rd floor, Charlotte, North Carolina 28255-0001, Attn: Prospectus Department, or by email at [e-mail]; or from Cowen and Company, LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, Attn: Prospectus Department, by email at [e-mail], or by telephone at [phone].

In addition, argenx announces the listing of and the commencement of dealings in its 3,593,750 new ordinary shares on the regulated market of Euronext Brussels.

This press release is for information purposes only and does not constitute, and should not be construed as, an offer to sell or the solicitation of an offer to buy or subscribe to any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale is not permitted or to any person or entity to whom it is unlawful to make such offer, solicitation or sale. Reference is also made to the restrictions set out in 'Important information' below. This press release is not for publication or distribution, directly or indirectly, in or into any state or jurisdiction into which doing so would be unlawful or where a prior registration or approval is required for such purpose.

About argenx

argenx is a global immunology company committed to improving the lives of people suffering from severe autoimmune diseases and cancer. Partnering with leading academic researchers through its Immunology Innovation Program (IIP), argenx aims to translate immunology breakthroughs into a world-class portfolio of novel antibody-based medicines. argenx is evaluating efgartigimod in multiple serious autoimmune diseases, and cusatuzumab in hematological cancers in collaboration with Janssen. argenx is also advancing several earlier stage experimental medicines within its therapeutic franchises. argenx has offices in Belgium, the United States, and Japan.

Contact:

Kelsey Kirk

Email: [e-mail]

Important information

The preliminary prospectus supplement in respect of the U.S. offering does not constitute a prospectus within the meaning of the Prospectus Regulation and has not been approved by the Dutch Authority for the Financial Markets (Stichting Autoriteit Financiele Markten) or the Belgian Financial Services and Markets Authority (Autoriteit Financiele Diensten en Markten) or any other European Supervisory Authority.

No public offering will be made and no one has taken any action that would, or is intended to, permit a public offering in any country or jurisdiction, other than the United States, where any such action is required, including in the European Economic Area. In the European Economic Area, the offering to which this press release relates will only be available to, and will be engaged in only with, qualified investors within the meaning of the Prospectus Regulation.

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