Company Overview

Sigma Lithium Corporation is a lithium development and production company focused on supplying battery-grade lithium chemicals for the global electric vehicle and energy storage industries. The company operates in the lithium mining and processing segment of the broader clean energy and critical minerals value chain, with its core business centered on the production of lithium concentrate derived from hard-rock spodumene deposits. Its primary customers are global battery manufacturers and automotive OEMs seeking secure, low-cost, and environmentally responsible lithium supply.

Founded in 2012 and originally focused on mineral exploration, the company evolved into a lithium-focused producer following the development of its flagship project in Brazil. Sigma Lithium positions itself as a low-cost and environmentally sustainable lithium supplier, emphasizing industrial-scale production, proximity to infrastructure, and environmentally conscious processing methods that avoid tailings dams and rely on renewable energy sources. The company is publicly traded on Nasdaq under the ticker SGML.

Business Operations

Sigma Lithium’s operations are centered on its integrated mining and processing activities at the Grota do Cirilo Project, which includes both open-pit mining and on-site processing facilities. Revenue is generated through the sale of lithium concentrate produced from spodumene ore, with production designed to meet specifications required for conversion into lithium hydroxide and lithium carbonate used in batteries. The company does not currently operate downstream chemical conversion facilities and instead sells concentrate to third-party converters.

Operational control includes mining licenses, mineral rights, and processing plants located in Brazil. The company operates through Brazilian subsidiaries, including Sigma Mineração S.A., which manages local operations. As of publicly available disclosures, Sigma Lithium does not report material joint ventures with other mining companies, and its strategy prioritizes full ownership and operational control of its core asset.

Strategic Position & Investments

Sigma Lithium’s strategic focus is on scaling production capacity, improving operating efficiency, and positioning itself as a long-term supplier to the global battery supply chain. Major investments have been directed toward the construction and commissioning of large-scale processing facilities and infrastructure at the Grota do Cirilo Project, enabling commercial production and future expansion phases.

The company has not disclosed a diversified portfolio of external investments; instead, capital allocation is concentrated on expanding mining capacity and extending mine life through exploration within its existing mineral concessions. Sigma Lithium is directly exposed to the electric vehicle, battery storage, and energy transition sectors, with its strategy aligned to rising global demand for lithium driven by decarbonization policies and electrification trends.

Geographic Footprint

Sigma Lithium is headquartered in Vancouver, Canada, while its operational footprint is primarily located in Brazil, specifically in the state of Minas Gerais. This region is a well-established mining jurisdiction with access to transportation infrastructure, skilled labor, and renewable energy sources, which supports the company’s cost and sustainability objectives.

Although operations are concentrated in South America, Sigma Lithium’s commercial reach is global. Its customer base and marketing efforts are focused on North America, Europe, and Asia, reflecting the geographic distribution of battery manufacturing and electric vehicle production. The company’s international influence is primarily through export-oriented lithium supply rather than overseas mining or processing assets.

Leadership & Governance

Sigma Lithium was founded by Ana Cabral-Gardner, who has played a central role in shaping the company’s strategic vision around sustainable lithium production and disciplined capital allocation. The leadership team emphasizes operational execution, environmental responsibility, and alignment with global battery supply chain standards. Governance follows North American public company practices, with oversight by a board of directors that includes mining, finance, and capital markets experience.

Key executives include:

• Ana Cabral-Gardner – Chief Executive Officer
• Calvyn Gardner – Chief Operating Officer
• Lucas Pacheco – Chief Financial Officer
• Maíra Santos – Vice President, Sustainability & ESG
• Tony Makuch – Chairman of the Board

The leadership’s stated strategic vision focuses on establishing Sigma Lithium as a reliable, scalable, and environmentally responsible lithium producer supporting the global energy transition.