VANCOUVER, British Columbia and BOSTON, MA, March 09, 2026 (GLOBE NEWSWIRE) -- Xenon Pharmaceuticals Inc. (NASDAQ:XENE), a neuroscience-focused biopharmaceutical company dedicated to drug discovery, clinical development and commercialization of life-changing therapeutics for patients in need, today announced that it has commenced an underwritten public offering of $500.0 million of its common shares, pursuant to its existing shelf registration statement. All of the common shares in this offering are being offered by Xenon. In addition, Xenon intends to grant the underwriters an option for a period of 30 days to purchase up to an additional $75.0 million of common shares at the public offering price, less the underwriting discounts and commissions. The proposed offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed.

J.P. Morgan, Jefferies, TD Cowen, Stifel, RBC Capital Markets, and William Blair are acting as joint book-running managers for the proposed offering. Baird is acting as lead manager for the proposed offering.

An automatically effective shelf registration statement relating to the securities offered in the proposed public offering described above was filed with the Securities and Exchange Commission (the "SEC") on August 9, 2024. The proposed offering will be made only by means of a written prospectus and prospectus supplement that form a part of the registration statement. A preliminary prospectus supplement and accompanying prospectus relating to the proposed offering will be filed with the SEC and will be available on the SEC's website at www.sec.gov. Copies of ...