argenx announces full exercise of underwriters’ option to purchase additional ADSs

Regulated information — Inside information March 29, 2022, 11:00 PM CETMarch 29, 2022, 5:00 PM ET Breda, the Netherlands — argenx SE (Euronext & Nasdaq: ARGX), a global immunology company committed to improving the lives of people suffering from severe autoimmune diseases, announced today that the underwriters of its previously announced global offering of ordinary shares (including ordinary shares represented by American Depositary Shares (“ADSs”)) have exercised in full their option to purchase 350,000 additional ordinary shares in the form of ADSs on the same terms and conditions as the global offering. This option exercise brings the anticipated total gross proceeds from the global offering to approximately $805 million (approximately €733 million) from the sale of an aggregate of 2,683,334 ordinary shares (including ordinary shares represented by ADSs). J.P. Morgan, Morgan Stanley, Cowen and SVB Leerink acted as joint bookrunning managers for the offering. Wells Fargo Securities, Kempen & Co, H.C. Wainwright & Co., Raymond James and Wedbush PacGrow acted as co-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 March 22, 2022 and a final prospectus supplement relating to the securities was filed with the SEC on March 25, 2022 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 (866) 803-9204, or by email at [email protected]; from Morgan Stanley & Co. LLC, 180 Varick Street, 2nd Floor, New York, NY 10014, Attn: Prospectus Department, by email at [email protected], or by telephone at (866) 718-1649; from Cowen and Company, LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, Attn: Prospectus Department, by email at [email protected], or by telephone at (833) 297-2926; or from SVB Securities LLC, Attn: Syndicate Department, 53 State Street, 40th Floor, Boston, Massachusetts 02109, by telephone at 1-800-808-7525, ext. 6105, or by email at [email protected]. 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. 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 developed and is commercializing the first-and-only approved neonatal Fc receptor (FcRn) blocker in the U.S. and Japan. The Company is evaluating efgartigimod in multiple serious autoimmune diseases and advancing several earlier stage experimental medicines within its therapeutic franchises.  For further information, please contact: Media:Kelsey [email protected] Joke Comijn (EU)[email protected] Investors:Beth [email protected] Michelle [email protected] Forward-looking Statements The contents of this announcement include statements that are, or may be deemed to be, “forward-looking statements.” These forward-looking statements can be identified by the use of forward-looking terminology, including the terms “believes,” “estimates,” “anticipates,” “expects,” “intends,” “may,” “will,” or “should,” and include statements argenx makes concerning the completion, timing and size of the proposed global offering and its expectations with respect to granting the underwriters a 30-day option to purchase additional ordinary shares (which may be represented by ADSs). By their nature, forward-looking statements involve risks and uncertainties and readers are cautioned that any such forward-looking statements are not guarantees of future performance. argenx’s actual results may differ materially from those predicted by the forward-looking statements as a result of various important factors, including the impact that the COVID-19 pandemic and resulting economic conditions will have on argenx’s operations and business; argenx’s expectations regarding the inherent uncertainties associated with competitive developments, preclinical and clinical trial and product development activities, regulatory approval requirements and commercialization of its products; argenx’s reliance on collaborations with third parties; estimating the commercial potential of argenx’s product candidates; argenx’s ability to obtain and maintain protection of intellectual property for its technologies and drugs; argenx’s limited operating history; and argenx’s ability to obtain additional funding for operations and to complete the development and commercialization of its product candidates. A further list and description of these risks, uncertainties and other risks can be found in argenx’s U.S. Securities and Exchange Commission (SEC) filings and reports, including in argenx’s most recent annual report on Form 20-F filed with the SEC as well as subsequent filings and reports filed by argenx with the SEC. Given these uncertainties, the reader is advised not to place any undue reliance on such forward-looking statements. These forward-looking statements speak only as of the date of publication of this document. argenx undertakes no obligation to publicly update or revise the information in this press release, including any forward-looking statements, except as may be required by law. Important information This announcement is not an advertisement and not a prospectus within the meaning of the Prospectus Regulation and has not been approved by the Dutch Authority for the Financial Markets (Stichting Autoriteit Financiële Markten) or the Belgian Financial Services and Markets Authority (Autoriteit Financiële 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. European Economic Area: No action has been or will be taken to offer the ordinary shares to a retail investor established in the European Economic Area as part of the global offering. For the purposes of this paragraph: a.   The expression “retail investor” means a person who is one (or more) of: i. a retail client as defined in point (11) of Article 4(1) of Directive 2014/65/EU (as amended, “MiFID II”); orii. a customer within the meaning of Directive 2016/97/EU, as amended, where that customer would not qualify as a professional client as defined in point (10) of Article 4(1) of MiFID II; oriii. not a “qualified investor” as defined in the Prospectus Regulation; and b.   the expression “offer” means any communication in any form and by any means of sufficient information on the terms of the offer and securities to be offered so as to enable an investor to decide to purchase or subscribe these securities. In addition, in the United Kingdom, the transaction to which this press release relates will only be available to, and will be engaged in only with persons who are “qualified investors” (as defined in the Prospectus Regulation as it forms part of domestic law in the United Kingdom by virtue of the European Union (Withdrawal) Act 2018 (the UK Prospectus Regulation) (i) who have professional experience in matters relating to investments falling within Article 19(5) of the Financial Services and Markets Act (Financial Promotion) Order 2005, as amended (the Order), and/or (ii) who are high net worth companies (or persons to whom it may otherwise be lawfully communicated) falling within Article 49(2)(a) to (d) of the Order (all such persons together being referred to as “relevant persons”). The securities referred to herein are only available to, and any invitation, offer or agreement to subscribe, purchase or otherwise acquire such securities will be engaged in only with relevant persons. Any person who is not a relevant person should not act or rely on this communication or any of its contents.