Transaction Details

Footnotes

The shares were issued to the Bryan S. Sheffield Spousal Lifetime Access Trust ("BSS SLAT") pursuant to a share purchase agreement entered into in connection with a registered direct institutional entitlement offer (the "Institutional Entitlement Offer") of shares of common stock to eligible institutional holders pursuant to the registration statement on Form S-3 filed by Tamboran Resources Corporation with the U.S. Securities and Exchange Commission on April 7, 2026. The Institutional Entitlement Offer was subject to certain customary closing conditions. The closing conditions were satisfied and the Institutional Entitlement Offer closed on April 14, 2026. | Represents 2,247,404 securities held directly by Sheffield Holdings, LP ("Sheffield Holdings"), 876,197 securities held directly by Daly Waters Energy, LP ("Daly Waters"), and 183,655 securities held directly by BSS SLAT. Spraberry Interests, LLC ("Spraberry Interests") is the general partner of Sheffield Holdings. Bryan Sheffield is the manager of Spraberry Interests. As a result, each of Mr. Sheffield and Spraberry Interests may be deemed to share beneficial ownership of the shares held directly by Sheffield Holdings. Formentera Australia Fund I GP, LP ("Formentera Australia") is the general partner of Daly Waters. Formentera Investments LLC ("Formentera Investments") is the general partner of Formentera Australia. Bryan Sheffield is the managing member of Formentera Investments. | (Continued from footnote 2) As a result, each of Mr. Sheffield, Formentera Australia and Formentera Investments may be deemed to share beneficial ownership of the shares held directly by Daly Waters. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its or his pecuniary interest therein, if any.