Hombre Muerto West

Lithium brine project located on the Hombre Muerto salar in the Argentinean Puna plateau, approximately 90 km north of Antofagasta de la Sierra. Property covers multiple concessions including Catalina, Rana de Sal, and Pucara del Salar. Acquired via the 2018 purchase of Blue Sky Lithium. Phase 1 development is underway to deliver 4 ktpa LCE as a 6% lithium chloride concentrate over a 40-year life of mine. Authium is funding and constructing a nano-filtration plant on site to process the brine. First production is targeted for H1 2026. The project received approval under the Argentine Government's RIGI incentive regime, providing fiscal stability and a reduced corporate tax rate. Flagship Argentine lithium asset.