Operación Minera Salar de Olaroz

• The Olaroz Lithium Facility was originally designed to allow for future developments and/or expansion plans to occur in line with market demand. • Current Capacity: 42,500 tons of LCE per year. Stage 2 (Olaroz 2) comprises a primary lithium carbonate production circuit designed to deliver an additional 25,000 tonnes per year of technical grade lithium carbonate. • The Cauchari Mineral Resource, located adjacent to the southern boundary of the Olaroz Lithium Facility, has similar brine characteristics and provides additional optionality when considering a potential Stage 3 expansion. • In 2025 Olaroz stage 1 ran at full capacity as planned, and stage 2 performed in line with expectations.

Annual production 2025 = 40,000 MT

Proven and Probable Reserves (Olaroz & Cauchari): 3.86 Mt LCE and Total Resources (Olaroz & Cauchari): 32.94 Mt LCE

Sales de Jujuy S.A. is the local operator in the Salar de Olaroz Lithium Facility, a joint venture between Rio Tinto, the Japanese company Toyota Tsusho Corporation (TTC) and the Mining Company of the argentine province of Jujuy, Jujuy Energía y Minería Sociedad del Estado (JEMSE). Its sustainability strategy is managed in accordance with the GRI Standards, which reflects its commitment to the principles of the United Nations Global Compact and its contribution to the Sustainable Development Goals. At the same time, the vision is to make the company a sustainable supplier of world-class chemical products, under the highest safety, productivity and quality standards, with the constant commitment to its stakeholders, seeking the well-being of local communities, its employees and the environment.