Ms. Kelly O'Brien reports

LITHIUM ARGENTINA TO RELEASE FIRST QUARTER 2026 RESULTS ON MAY 12, 2026

Lithium Argentina AG will release its first quarter 2026 earnings results before market open on Tuesday, May 12, 2026.

The company will hold a webcast and conference call to discuss its first quarter 2026 results on Tuesday, May 12, 2026, at 10 a.m. ET. The webcast will be accessible on the investor relations section of the company's website.

Webcast details:

Event title:  Lithium Argentina First Quarter 2026 Earnings Conference Call

Event date:  May 12, 2026

Start time:  10 a.m. Eastern Time (United States and Canada)

Replay information:  A webcast replay will be available following the conclusion of the event through the news and events page at the company's website.

About Lithium Argentina AG

Lithium Argentina, in partnership with Ganfeng, operates the Cauchari-Olaroz lithium brine operation in Argentina and is advancing additional lithium resources in the region. Lithium Argentina currently trades on the Toronto Stock Exchange and on the New York Stock Exchange.