Lithium Argentina AG to Announce Fourth Quarter and Full Year 2025 Earnings

ZUG, Switzerland, March 3, 2026 – Lithium Argentina AG (TSX: LAR) (NYSE: LAR) announced today that it will release its fourth quarter and full year 2025 earnings results before market open on Monday, March 23, 2026.

Earnings Call Details

The Company will host a webcast and conference call to discuss its financial performance on Monday, March 23, 2026, at 10:00 a.m. Eastern Time (ET). Investors can access the webcast through the Investor Relations section of the Company’s website: https://investors.lithium-argentina.com/stock/stock-quote-chart

Event Title: Lithium Argentina Fourth Quarter and Year End 2025 Earnings Call

Date: March 23, 2026

Time: 10:00 AM Eastern Time (US and Canada)

Attendee URL: [URL will be available on the Investor Relations website]

Replay Information

A replay of the webcast will be available following the event on the News and Events page of the Company’s website: https://www.lithium-argentina.com/

About Lithium Argentina AG

Lithium Argentina AG, in partnership with Ganfeng, operates the Cauchari-Olaroz lithium brine operation in Argentina and is actively developing additional lithium resources within the region. Lithium Argentina is traded on both the Toronto Stock Exchange (TSX) and the New York Stock Exchange (NYSE).

Investor Contact

Kelly O’Brien

Investor Relations

Telephone: +1 (778) 653-8092

Email: Kelly.obrien@lithium-argentina.com

Website: www.lithium-argentina.com