POWER OF ATTORNEY FOR CLAYTON WALKER

This filing details a Power of Attorney granted by Clayton Walker, a director of Lithium Americas Corp., to Tereza Fonda and Edward Grandy. The attorneys-in-fact are authorized to execute and file Forms 3, 4, and 5, as well as Form ID and Update Passphrase Forms, with the SEC and relevant stock exchanges on behalf of Mr. Walker. This authorization covers all necessary actions to complete these filings in accordance with Section 16(a) of the Securities Exchange Act of 1934. The Power of Attorney also includes provisions for the attorneys-in-fact to act at their discretion and outlines indemnification for the Company and the attorneys-in-fact against any liabilities arising from information provided by Mr. Walker. This document supersedes any previous Powers of Attorney and remains in effect until Mr. Walker is no longer required to file these forms or until earlier revoked or superseded.