Sigma Lithium Corporation is a global lithium producer dedicated to powering electric vehicle batteries with carbon-neutral, socially and environmentally sustainable chemical-grade lithium concentrate. Its 100% wholly owned Grota do Cirilo operation is a fully integrated hard-rock lithium mining and industrial beneficiation complex. The site is located in the State of Minas Gerais, Brazil. The Company operates at the forefront of environmental and social sustainability in the electric vehicle battery materials supply chain, producing Quintuple Zero Green Lithium, which consists of net-zero carbon lithium made with zero dirty power, zero potable water, zero toxic chemicals, and zero tailings dams. It produces 270,000 tons of lithium oxide concentrated on an annualized basis at its Greentech Industrial Lithium Plant. It is also engaged in constructing a second plant to double production capacity to 520,000 tons of lithium oxide concentrate.