This prospectus supplement and the accompanying prospectus relate to the issuance and sale, from time to time, of our common shares, no par value, (the "Offered Shares") pursuant to an "at the market" equity offering program having an aggregate sales price of up to $250,000,000 (or equivalent thereof in Canadian dollars determined using the daily exchange rate posted by the Bank of Canada on the date such common shares are sold) through Cantor Fitzgerald Canada Corporation (the "Canadian Lead Agent") and RBC Dominion Securities Inc., as Canadian sales agents (each, a "Canadian sales agent" and collectively, the "Canadian sales agents"), and Cantor Fitzgerald & Co. (the "U.S. Lead Agent" and, together with the Canadian Lead Agent, the "Lead Agents" and each, a "Lead Agent"), RBC Capital Markets, LLC, B. Riley Securities, Inc. and Jett Capital Advisors, LLC, as U.S. sales agents (each, a "U.S. sales agent" and collectively, the "U.S. sales agents") (the "U.S. sales agents," together with the "Canadian sales agents," the "sales agents"). These sales will be made pursuant to the terms of the Controlled Equity OfferingSM Sales Agreement (the "Sales Agreement"), dated August 13, 2026, among us and the sales agents.