LITHIUM AMERICAS CORP.

The Company’s unaudited condensed consolidated interim financial statements to June 30, 2026 have been prepared in accordance with U.S. GAAP. Preparation of unaudited condensed consolidated interim financial statements requires management to make estimates affecting reported amounts of assets, liabilities, and expenses. The Company bases its estimates on historical experience and various assumptions that it believes are reasonable under the circumstances. Actual results may differ from these estimates under different assumptions or conditions.

The significant accounting policies of the Company are described in Note 2 to the audited consolidated financial statements for the year ended December 31, 2025. A summary of the Company’s critical accounting estimates is described in Part II. Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations of the Company’s annual report on Form 10-K for the year ended December 31, 2025. There have been no significant changes to these policies or estimates during the six months ended June 30, 2026.

Accounting Developments

For a discussion of Recently Adopted and Recently Issued Accounting Pronouncements, refer to Note 2 to the audited consolidated financial statements for the year ended December 31, 2025 and Note 1 to the unaudited condensed consolidated interim financial statements for the six months ended June 30, 2026.