Lithium Americas Investor Presentation — June 2022

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CORPORATE PRESENTATION

JUNE 2022CAUTIONARY STATEMENT

ADDITIONAL REFERENCE MATERIALS

This presentation should be read in conjunction with Lithium Americas Corp.’s (“Lithium

Americas”, “LAC” or the “Company”) news releases, latest Management Discussion and Analysis (“MD&A”) and Financial Statements (“Financials”) for the three months ended March 31, 2022 (“Q1 2022”), Technical Reports, Annual Information Form, and 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 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.

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.

All figures presented are in US Dollars unless otherwise noted. NI 43 -101 DISCLOSURE

Scientific and technical information in this presentation about the Caucharí -Olaroz Project and the Thacker

Pass 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 filed by Millennial Lithium Corp.

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