Sigma Lithium sells 100,000 tonnes of lithium fines

Executive Summary

• Sigma Lithium sold 100,000 tonnes of high-purity lithium fines at an adjusted net price of $125/tonne, generating approximately $11 million in net revenue, with an additional 850,000 tonnes available for sale.
• The company advanced its mining remobilization plan at Mine 1, transitioning from a fully subcontracted model to a hybrid structure involving leased large equipment and subcontracted personnel, aiming to triple earth-moving capacity and reduce costs.
• Sigma Lithium closed the first tranche of a working capital revolving facility with a major client for $5 million, supporting operations through 2026, and appointed former Brazilian Minister of Agriculture Katia Abreu as a new independent board member.

Key Details

• Lithium Fines Sale:
  • Sold 100,000 tonnes of high-purity lithium fines stored at the port of Vitoria.
  • Price: Adjusted net final price of $125 (U.S.) per tonne (based on SMM index for 1.2%-1.5% Li2O content).
  • Revenue: Approximately $11 million (U.S.) in net revenues.
  • Inventory: 850,000 tonnes of high-purity lithium fines remain available for sale, produced in 2024 and 2025 via the Greentech industrial plant 1.
  • Technology: The plant uses environmental state-of-the-art technology to dry stack wet lithium fines, reusing 100% of process water.
• Mining Remobilization:
  • Restructuring executed in phases during Q4 2025, shifting from full third-party contracting to internal technical leadership controlling blasting/drilling while subcontracting execution.
  • Strategy involves leasing large mining equipment and subcontracting personnel/operators for small-scale equipment.
  • Goal: Increase safety, operating efficiency, and mining/earth-moving capacity by almost three times.
  • Timeline: Remobilization of personnel and smaller equipment expected to conclude in January 2026.
  • Future Guidance: Company will provide 2026 output guidance once production reaches a steady state in Q1 2026.
  • Strategic Objective: Match raw material supply to increased processing capacity, prepare for multipit operations, and derisk cash flow ahead of Greentech plant 2 commissioning (which will double Li2O concentrate production).
• Working Capital Agreement:
  • Signed agreement with a major client to provide working capital during 2026.
  • Structure: Working capital provided against monthly sales at spot market prices totaling 70,500 tonnes by the end of 2026.
  • Status: First tranche of $5 million (U.S.) has closed.
  • Funding Source: Provided by large global clients via contractual collateral and working capital lines, replacing third-party capital.
• Board Appointment:
  • Appointed Katia Abreu as a new independent board member, replacing Eugenio de Zagottis.
  • Abreu’s Background: Former Minister of Agriculture, former Senator, President of the Confederation of Agriculture and Livestock of Brazil (CNA), and board member of JBS Inc.
  • Committee Roles: Abreu will join the audit, finance and risk committee and the people and governance committee.
  • Board Composition: Majority of independent directors maintained; female representation at 40%.

Notable Quotes

• Ana Cabral, CEO and Co-Chairperson: "We are very enthusiastic to welcome Katia Abreu as an independent director to our board... Her experience will be invaluable to Sigma Lithium during another transformational period for the company. During her tenure, we will be advancing with building our second Greentech industrial plant that is expected to double our production capacity."
• Marcelo Paiva, Co-Chairman: "On behalf of Sigma Lithium's shareholders, we would like to thank Mr. Zagottis for his significant contribution to the company, where he helped steer our leadership to successfully navigate the severe lithium market downturn that occurred during his tenure... which also encompassed the intense volatility in 2025 generated by global tariff uncertainty."