(All amounts in US$ unless otherwise indicated)

Lithium Americas Corp. (TSX:LAC) (NYSE:LAC) ("Lithium Americas" or the "Company") is responding today to media reports pertaining to the status of its previously announced $2.26 billion loan from the U.S. Department of Energy (the "DOE" / "DOE Loan").

The Company is in discussions with the DOE and General Motors Holdings LLC ("GM"), its joint venture partner in the Thacker Pass lithium project ("Thacker Pass" or the "Project"), regarding first draw on the DOE Loan. The topics of these discussions include certain conditions precedent to draw on the DOE Loan and associated loan specifics, as well as incremental requests from the DOE for potential further conditions to first draw and/or potential amendments to the DOE Loan and associated transaction documents, including corresponding consideration. The Company continues to work with the DOE and GM regarding proposals for a mutually agreeable resolution.

ABOUT LITHIUM AMERICAS

Lithium Americas is developing Thacker Pass located in Humboldt County in northern Nevada, which hosts the largest known measured lithium resource (Measured and Indicated) and reserve (Proven and Probable) in the world. Thacker Pass is owned by a joint venture between Lithium Americas (holding a 62% interest and is the manager of the Project), and GM (holding a 38% interest). The Company is focused on advancing Phase 1 of Thacker Pass toward production, targeting nominal design capacity of 40,000 tonnes per year of battery-quality lithium carbonate. The Company and its engineering, procurement and construction management contractor, Bechtel, entered into a National Construction Agreement (Project Labor Agreement) with North America's Building Trades Unions for construction of Thacker Pass. Construction is expected to create nearly 2,000 direct jobs, including 1,800 skilled contractors. Lithium Americas' shares are listed on the Toronto Stock Exchange and New York Stock Exchange under the symbol LAC. To learn more, visit www.lithiumamericas.com or follow @LithiumAmericas on social media.

FORWARD-LOOKING STATEMENTS

This news release contains "forward-looking statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995 and "forward-looking information" within the meaning of applicable Canadian securities legislation (collectively referred to as "forward-looking statements" ("FLS")). All statements, other than statements of historical fact, are FLS and can be identified by the use of statements that include, but are not limited to, words, such as "anticipate," "plan," "continue," "estimate," "expect," "may," "will," "project," "predict," "proposes," "potential," "target," "implement," "schedule," "forecast," "intend," "would," "could," "might," "should," "believe" and similar terminology, or statements that certain actions, events or results "may," "could," "would," "might" or "will" be taken, occur or be achieved. FLS in this news release includes, but is not limited to, statements related to the DOE Loan, including statements regarding satisfaction of draw-down conditions on the DOE Loan, the expected timing for first draw-down on the DOE Loan, if at all, and the outlook with respect to negotiations relating to the DOE Loan and the consequences related thereto; as well as other statements with respect to management's beliefs, plans, estimates and intentions, and similar statements concerning anticipated future events, results, circumstances, performance or expectations that are not historical facts.

FLS involves known and unknown risks, assumptions and other factors that may cause actual results or performance to differ materially. FLS reflects the Company's current views about future events that, while considered reasonable by the Company as of the date of this news release, are inherently subject to significant uncertainties and contingencies. Accordingly, there can be no certainty that they will accurately reflect actual results.

Although the Company believes that the assumptions and expectations reflected in such FLS are reasonable, the Company can give no assurance that these assumptions and expectations will prove to be correct.

Readers are cautioned that the foregoing lists of factors are not exhaustive. There can be no assurance that FLS will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information. As such, readers are cautioned not to place undue reliance on this information, and that this information may not be appropriate for any other purpose, including investment purposes. The Company's actual results could differ materially from those anticipated in any FLS as a result of the risk factors set out herein, and in the Company's other continuous disclosure documents available on SEDAR+ at www.sedarplus.ca and EDGAR at www.sec.gov. Readers are further cautioned to review the full description of risks, uncertainties and management's assumptions in the aforementioned documents and other disclosure documents available on SEDAR+ and on EDGAR.

The FLS contained in this news release is expressly qualified by these cautionary statements. All FLS in this news release speaks as of the date of this news release. The Company does not undertake any obligation to update or revise any FLS, whether as a result of new information, future events or otherwise, except as required by law.

View source version on businesswire.com: https://www.businesswire.com/news/home/20250924368091/en/

INVESTOR CONTACT

Virginia Morgan, VP, IR and ESG

+1-778-726-4070

ir@lithiumamericas.com

Lithium Americas Comments on Share Price Movement