AMERICAN BATTERY TECHNOLOGY Co

Our Board of Directors (the “Board”) has made this Proxy Statement and related materials available to you on the Internet, or, upon your request, has delivered printed proxy materials to you by mail, in connection with the Board of Directors’ solicitation of proxies for use at the 2026 Annual Meeting of Shareholders (the “Annual Meeting”) of American Battery Technology Company (“we,” “us,” “American Battery,” or the “Company”) to be held online on November 12, 2026, beginning at 12:00 p.m. Pacific Time, and at any postponements or adjournments of the Annual Meeting. As a shareholder, you are invited to attend the Annual Meeting and are requested to vote on the items of business described in this Proxy Statement.