 BURNABY, British Columbia, March 09, 2021 GLOBE NEWSWIRE -- Xenon Pharmaceuticals Inc. Nasdaq:XENE, a clinical stage biopharmaceutical company, today announced that it has commenced an underwritten public offering of its common shares and, in lieu of common shares to certain investors that so choose, pre-funded warrants to purchase common shares, pursuant to its existing shelf registration statement. It is expected that the underwriters of the offering will be granted an option for a period of 30 days to purchase up to an additional 15 of the common shares offered in the offering, at the public offering price, less the underwriting discounts and commissions. The offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed. 