Mr. Kelvin Dushnisky reports

LITHIUM AMERICAS APPOINTS CLAYTON WALKER TO THE BOARD OF DIRECTORS

Lithium Americas Corp. has appointed Clayton Walker as an independent member of its board of directors, effective immediately.

Mr. Walker has over 25 years of experience leading global mining companies, most recently as former chief growth and development officer at Rio Tinto, where he was responsible for the overall strategic direction and execution of the copper growth portfolio. From 2021 to 2025, he served as chief operating officer for Rio Tinto's copper product group, where he led global teams focused on growth and optimization across a world-class copper portfolio. His responsibilities included oversight of major operations and projects across the Americas, including Rio Tinto Kennecott in Utah and Resolution Copper in Arizona. From 2016 to 2021, he served as chief executive officer and executive chairman of Iron Ore Company of Canada. Prior to that, he spent 15 years in various management roles at Rio Tinto. Mr. Walker holds a master of business administration as well as a bachelor of science in metallurgical engineering from the University of Utah.

Kelvin Dushnisky, executive chair of the board, commented: "On behalf of the board and executive team, I am very pleased to welcome Clayton Walker to the board. His executive leadership, senior operating experience and technical knowledge, together with his understanding of the U.S. regulatory landscape, will be instrumental as we advance Thacker Pass to production and drive long-term value for our stakeholders."

About Lithium Americas Corp.

Lithium Americas is building Thacker Pass located in Humboldt county in northern Nevada. Phase 1 is designed for nominal production capacity of 40,000 tonnes per year of battery-quality lithium carbonate and mechanical completion is targeted for late 2027. Thacker Pass hosts the largest known measured lithium resource (measured and indicated) and reserve (proven and probable) in the world and is owned by a joint venture between Lithium Americas (holding a 62-per-cent interest), and General Motors Holdings LLC (holding a 38-per-cent interest). Project financing for phase 1 includes a $2.23-billion loan from the U.S. Department of Energy (DOE) and strategic investments from GM and Orion Resource Partners LP. The DOE holds warrants to purchase common shares of the company for a 5-per-cent equity stake and JV warrants to purchase a 5-per-cent non-voting, non-transferable equity interest in the JV. Lithium Americas' shares are listed on the Toronto Stock Exchange and New York Stock Exchange under the symbol LAC.

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