SCHEDULE 13G/A 0001714217 XXXXXXXX LIVE 1 Common Shares, no par value per share 12/31/2025 0001966983 LITHIUM AMERICAS CORP. 53681J103 3260 - 666 Burrard Street Vancouver A1 V6C 2X8 Rule 13d-1(b) ORION RESOURCE PARTNERS (USA) LP DE 29226660 0 29226660 0 29226660 N 8.8 IA PN LITHIUM AMERICAS CORP. 3260 - 666 Burrard Street, Vancouver, British Columbia, Canada, V6C 2X8 This Statement is filed on behalf of Orion Resource Partners (USA) LP (the "Reporting Person"). The Reporting Person serves as investment advisor to OMF Fund IV SPV M LLC, a limited liability company existing under the laws of the State of Delaware ("Fund IV"). In such capacity, the Reporting Person may be deemed to have voting and investment control over the Common Shares reported herein. The address of the principal business office of the Reporting Person is 1045 Avenue of the Americas, New York, NY 10018. The Reporting Person is a Delaware limited partnership. N IA As of December 31, 2025, the Reporting Person may be deemed the beneficial owner of 29,226,660 Common Shares Fund IV has the right to acquire upon conversion of $110,476,775 in principal of a convertible note at a conversion price of $3.78 per Common Share (the "Convertible Note"), subject to the Blocker (as defined herein). The Issuer shall not issue any Common Shares pursuant to the terms of the Convertible Note to the extent that any such issuance would result in the holder of the Convertible Note and its affiliates, if acting as a group and required to aggregate their beneficial ownership of Common Shares pursuant to Section 13(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), owning more than 9.99% of the issued and outstanding Common Shares at the time of the conversion, subject to a potential increase to a 19.99% cap provided that any increase will not be effective until at least 60 days after the Reporting Person delivers notice of such increase to the Issuer (the "Blocker"). As of December 31, 2025, the Reporting Person may be deemed the beneficial owner of approximately 8.8% of the Common Shares outstanding. This percentage is based on the sum of (i) 303,488,288 Common Shares outstanding as of November 12, 2025, as reported in the Issuer's quarterly report on Form 10-Q filed with the Securities and Exchange Commission on November 13, 2025, and (ii) 29,226,660 Common Shares Fund IV has the right to acquire upon conversion of the Convertible Note, subject to the Blocker, which have been added to the total Common Shares outstanding in accordance with Rule 13d-3(d)(1)(i) under the Exchange Act. 29,226,660 0 29,226,660 0 Y N The responses to Items 2 and 4 are incorporated by reference herein. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. ORION RESOURCE PARTNERS (USA) LP /s/ Rick Gashler 02/17/2026