Lithium Argentina Publishes 2023 Sustainability Report

VANCOUVER, June 19, 2024 - Lithium Americas (Argentina) Corp. (TSX: LAAC) (NYSE: LAAC) ("Lithium Argentina" or the "Company") announces the release of its 2023 Sustainability Report, "Enabling a Clean Energy Transition with Responsible Lithium" (the "Sustainability Report"). The Sustainability Report highlights the Company's overall Environmental, Social and Governance ("ESG") progress from January 1, 2023- December 31, 2023 (the "Reporting Period") and reflects its commitment to creating sustainable value by being a safe, environmentally responsible and inclusive lithium company.

Sam Pigott, President and CEO of Lithium Argentina commented: "Our Sustainability Report reflects our unwavering dedication to environmental stewardship, social responsibility and corporate governance. We are committed to transparency and sustainability in a future where responsible lithium production drives positive change globally".

During 2023, operations began at the Caucharí-Olaroz project, marking a milestone for Lithium Argentina. The project was able to produce around 6,000 tonnes of lithium carbonate between June and December of last year, allowing for its first contributions towards the electrification of the automobile industry. Additionally, the Company developed a comprehensive data collection and reporting process which included the creation of an inventory of Scope 1 and Scope 2 emissions.

In the report we highlighted other ESG related achievements which included, but were not limited to the following:

• Continued work to record and identify new species, following the identification of over 400 species
• Issuance of a Human Rights Policy and a standalone Anti-Corruption and Bribery Policy in October 2023
• Five of eight board members are independent, one of eight board members is female and five nationalities are represented on the Board
• 27% of employees at Caucharí-Olaroz are from site-adjacent indigenous communities, and 47% are from Jujuy province.

The report can be found on our website at www.lithium-argentina.com

ABOUT LITHIUM ARGENTINA

Lithium Argentina is an emerging producer of lithium carbonate for use primarily in lithium-ion batteries and electric vehicles. The Company, in partnership with Ganfeng Lithium Co, Ltd., is ramping up production of the Caucharí-Olaroz lithium brine operation in Argentina and advancing development of additional lithium resources in the region. Lithium Argentina currently trades on the TSX and on the NYSE, under the ticker symbol "LAAC."

FORWARD-LOOKING INFORMATION

This news release may contain "forward-looking information" within the meaning of applicable Canadian securities legislation and "forward-looking statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995 (collectively referred to herein as "forward-looking information"). These statements relate to future events or the Company's future performance. All statements, other than statements of historical fact, may be forward-looking information. Forward-looking information generally can be identified by the use of words such as "seek," "anticipate," "plan," "continue," "estimate," "expect," "may," "will," "project," "predict," "propose," "potential," "targeting," "intend," "could," "might," "should," "believe" and similar expressions. These statements based upon a number of expectations and assumptions and involve known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those anticipated in such forward-looking information, including, without limitation, the risk factors discussed in the Company's latest annual information form, management information circular, management's discussion and analysis and other continuous disclosure documents (collectively, "Company Disclosure Documents"), all of which are available on SEDAR+. The Company does not undertake any obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, except as required by law.