Investor Presentaiton

LITHIUM ARGENTINA/CORPORATE PRESENTATION 2023 Disclaimer 2 NYSE & TSX: LAAC ADDITIONAL REFERENCE MATERIALS This presentation should be read in conjunction with Lithium Americas Corp.'s ("Lithium Americas", "LAC" or the "Company") news releases, material change reports, most recent annual financial statements and related management discussion and analysis ("MD&A”), most recent interim financial statements and related MD&A, technical reports, most recent annual information form and most recent management information circular dated June 16, 2023 (the "Management Information Circular") (collectively "Disclosure Documents"), for full details of the information referenced throughout this presentation. These documents are available on the Company's website at www.lithiumamericas.com or on SEDAR or EDGAR. This presentation is for general information only and shall not constitute an offer to sell or a solicitation of an offer to purchase securities, and shall not constitute an offer, solicitation or sale in any state or jurisdiction in which or to any person to whom such an offer, solicitation or sale would be unlawful. This presentation includes information on peer companies and other industry and market data. We obtained information from publicly available and other third-party sources as well as the Company's good faith estimates. While the Company believes the information was prepared by reputable sources, the Company did not independently verify the information or the underlying assumptions. No representation or warranty is made as to accuracy, completeness or reasonableness of such information. The Company disclaims any responsibility or liability whatsoever in respect of this information. Readers are cautioned to review the underlying information referenced herein, as applicable FORWARD-LOOKING STATEMENTS AND INFORMATION This presentation contains "forward-looking information" within the meaning of applicable Canadian securities legislation, and "forward-looking statements" within the meaning of applicable United States securities legislation (collectively referred to as "forward-looking information" ("FLI")), and readers should read the cautionary notes contained on the slides entitled "Forward Looking Statements and Disclaimer" in the Appendix of this document. THIRD-PARTY NAMES AND TRADEMARKS All product and company names are trademarks or registered trademarks of the respective third-party holders. Our use of such trademarks in our presentation does not imply any endorsement by or affiliation with such third parties. CURRENCY All figures presented are in U.S. Dollars unless otherwise noted. NI 43-101 DISCLOSURE Scientific and technical information in this presentation, including information about the Caucharí-Olaroz Project has been reviewed and approved by Rene LeBlanc, PhD, the Company's Chief Technical Officer and a qualified person under National Instrument 43-101 Standards of Disclosure for Mineral Projects ("NI 43-101"). On the Company's behalf, Mr. LeBlanc has also reviewed the scientific and technical information in this presentation about the Pastos Grandes Project. The following technical reports and news releases are available on the Company's website, SEDAR or EDGAR. Further information about the Caucharí-Olaroz Project, including a description of key assumptions, parameters, methods and risks, is available in the NI 43-101 technical report, "Updated Feasibility Study and Mineral Reserve Estimation to Support 40,000 tpa Lithium Carbonate Production at the Caucharí-Olaroz Salars, Jujuy Province, Argentina" dated effective September 30, 2020 ("Caucharí-Olaroz FS"). Further information about the Pastos Grandes Project, including a description of key assumptions, parameters, methods and risks, is available in the technical report titled "NI 43-101 Technical Report, Lithium Resources Update, Pastos Grandes Project, Salta Province, Argentina" with an effective date of April 30, 2023. Other than as described in the Company's Disclosure Documents, there are no known legal, political, environmental or other risks that could materially affect the potential development of the mineral reserves and mineral resources at this point in time. The mineral resource and mineral reserve estimates contained in this presentation have been prepared in accordance with the requirements of securities laws in effect in Canada, including NI 43-101, which governs Canadian securities law disclosure requirements for mineral properties. NI 43-101 differs from the requirements of the United States Securities and Exchange Commission ("SEC") that are applicable to domestic United States reporting companies. Any mineral resources and mineral reserves reported by the Company herein may not qualify as such under SEC standards. Accordingly, information included in this presentation that describes the Company's mineral resource and mineral reserve estimates may not be comparable with information made public by United States companies subject to the SEC's reporting disclosure requirements.

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