Sigma Lithium Executive and Leadership Team

Ana Cabral-Gardner, the Chief Executive Officer, Sigma Lithium Resources at Sigma Lithium, directs the company's overarching strategy and global operations. This leadership role focuses on advancing the Grota do Cirilo Project in Brazil, ensuring the production of Triple Zero Green Lithium. Cabral-Gardner oversees the integration of 100% renewable energy and recycled water systems into the production process, aligning with the company's commitment to sustainability. The Chief Executive Officer, Sigma Lithium Resources drives the expansion plans, including Phase 1 targeting 270,000 tonnes annually and future phases potentially reaching 766,000 tonnes. Ana Cabral-Gardner ensures strategic partnerships and resource allocation to support the company's mission of providing essential materials for next-generation EV batteries. This executive guides the company's market positioning and financial performance, emphasizing sustainable growth and operational excellence in the competitive lithium sector.

Caio Araujo, the Chief Financial Officer at Sigma Lithium, manages all financial aspects of the company's operations. This includes overseeing financial planning, budgeting, and capital allocation to support the development and expansion of the Grota do Cirilo Project in Brazil. The Chief Financial Officer ensures robust financial controls and reporting mechanisms are in place, crucial for a publicly traded entity. Araujo's responsibilities extend to managing investor relations and securing funding necessary for scaling production to meet the growing demand for EV batteries. Caio Araujo plays a critical part in evaluating new investment opportunities and managing financial risks associated with global commodity markets. This executive's strategic financial guidance underpins Sigma Lithium's ability to deliver sustainable lithium concentrate while maintaining fiscal discipline and maximizing shareholder value.

Iran Zan, the Co-Chief Operating Officer, Director of Geology & Local Institutional Relations, Chief Geological Officer at Sigma Lithium, directs critical operational and geological functions. This leadership position oversees the extraction and processing of lithium concentrate at the Grota do Cirilo Project, ensuring adherence to sustainable and carbon-neutral production standards. Zan's dual role as Chief Geological Officer involves deep expertise in resource assessment and mine planning, directly impacting the company's ability to achieve production targets of 270,000 tonnes annually in Phase 1. The Co-Chief Operating Officer, Director of Geology & Local Institutional Relations, Chief Geological Officer also manages local institutional relations, fostering strong community and governmental ties in Brazil. Iran Zan's operational oversight ensures the efficient use of 100% renewable energy and recycled water, reinforcing Sigma Lithium's commitment to environmental responsibility and the delivery of Triple Zero Green Lithium.

Bruno de Albuquerque Tamassia, the Chief Legal Officer at Sigma Lithium, provides comprehensive legal counsel and oversees all legal affairs for the company. This role is essential for navigating the complex regulatory landscape of the mining industry, particularly concerning operations in Brazil and potential listings in North America. Tamassia ensures compliance with all applicable laws and regulations, safeguarding the company's interests and reputation. The Chief Legal Officer manages corporate governance, contract negotiations, and dispute resolution, supporting the strategic objectives of delivering sustainable lithium concentrate. Bruno de Albuquerque Tamassia's expertise is vital in structuring agreements related to project development, financing, and potential off-take partnerships for next-generation EV batteries. This executive's diligent legal oversight supports Sigma Lithium's commitment to ethical business practices and operational integrity.