Lithium Argentina increases Cauchari-Olaroz resource estimate by 42%

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Lithium Argentina Expands Cauchari-Olaroz Resource Estimate; Supports Stage 2 Development Plan

March 11, 2026 4:11 PM EDT

ZUG, Switzerland, March 11, 2026 (GLOBE NEWSWIRE) -- Lithium Argentina AG (Lithium Argentina or the Company) (TSX: LAR) (NYSE: LAR) announced today an updated mineral resource and reserve estimate (Updated Estimate) on the Cauchari-Olaroz brine operation (Cauchari-Olaroz) in Jujuy Province, Argentina.

The Updated Estimate was completed by Aquatec and Groundwater Insight, Inc. with an effective date of December 31, 2025, focused on expanding the resource footprint, incorporating production data and utilizing a basin-wide hydrological model designed to support the Cauchari-Olaroz Stage 2 development plans. Expanding on the Stage 1 operating capacity of... More