Lithium Americas Reports Second Quarter 2026 Results

VANCOUVER, British Columbia — Lithium Americas Corp. (TSX: LAC) (NYSE: LAC) (“ Lithium Americas, ” “ LAC ” or the “ Company ”) announced that it has filed its Quarterly Report on Form 10-Q, which includes the Company’s unaudited condensed consolidated interim financial statements for the three months ended June 30, 2026 (“ Q2 2026 ”), and provided an update on its Thacker Pass lithium project in Humboldt County, Nevada (“ Thacker Pass ” or the “ Project ”).

Jonathan Evans, President and Chief Executive Officer of Lithium Americas said, “We are safely accelerating construction toward peak activity and peak labor later this year, with mechanical completion still targeted for late 2027. More than 1,600 workers are on site today, with over 2,000 expected before the year’s end. Thacker Pass is reaching new vertical heights as structural steel and concrete work at the processing plant advances through second-floor installations. Across the site, we are transitioning into piping and electrical trades and are receiving more than 60 truckloads of equipment and materials each day. All off-site power modifications are complete, and we remain on track for energization in Q4 2026.”

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Mr. Evans added, “Lithium is central to America’s economic and national security, sustaining resilient military operations, powering essential civilian infrastructure, and underpinning the technologies driving modern economic growth, from consumer electronics to grid-scale energy storage. Securing a reliable domestic supply is essential to meeting rising electricity demand, strengthening our energy independence and ensuring the United States wins the global technology race. Thacker Pass is proud to be a critical part of making that happen.”

As of June 30, 2026, a total of $1.8 billion of construction capital costs and other project-related costs had been capitalized, of which $1.6 billion is part of the total Capex estimate of $2.93 billion per the Company’s Technical Report. The Company continues to target a total Capex range of $1.3 billion to $1.6 billion for Thacker Pass Phase 1 for fiscal year 2026.

The table below summarizes Capex in the three and six months ended June 30, 2026, cumulative Capex to June 30, 2026, as well as the Company’s 2026 Capex guidance.

Thacker Pass Phase 1 construction costs included in the total $2.93 billion Capex estimate 1, 2

Thacker Pass Phase 1 construction costs cumulative to June 30, 2026 and those estimated for fiscal year 2026, do not include $19.5 million and $8.0 million, respectively, of community contributions that are required to be expensed under U.S. GAAP, though these were included in the $2.93 billion Capex estimate per the Company’s Technical Report.

Thacker Pass Phase 1 construction costs cumulative to June 30, 2026, and those estimated for fiscal year 2026, include actual tariffs incurred through June 30, 2026.