Sigma Lithium Corp.

SUMMARY Event Title: Sigma Lithium Fourth Quarter 2025 Earnings Results Call Event Date: March 30, 2026 Start Time: 7:30 a.m. EST Attendee URL: https://mzgroup.zoom.us/webinar/register/WN_-yfOrvFmTCqtQXGv6fVr5g São Paulo, Brazil-- - Sigma Lithium Corp. , the largest producer of lithium oxide concentrate in the Americas and dedicated to industrializing socially and environmentally sustainable lithium materials to supply [...]

Sigma Lithium is pleased to announce the resumption of sales of high-grade premium lithium oxide concentrate in 1Q26, achieving industrial production cadence. In 1Q26, the Company is expected to generate gross revenues equivalent to the sale of approximately 28,000 tonnes of high purity premium lithium oxide concentrate at a grade-adjusted price of US$1,712 per tonne. This achievement is a result of industrially [...]

Sigma Lithium announces that it will release its fourth quarter 2025 earnings results before the market opens on Monday, March 30, 2026. The Company will hold a conference call to discuss its fourth quarter 2025 earnings results shortly after, March 30, 2026, at 8:30 a.m. EST. Access to the call will be available via webcast. Webcast Details: Event Title: Sigma Lithium Fourth Quarter 2025 Earnings Results Call Event Date [...]

Sigma Lithium's Co-Chairperson and CEO, Ana Cabral, to present at the 2026 BMO Global Metals, Mining & Critical Minerals Conference, followed by a fireside chat with leading lithium research analyst Joel Jackson. Company provides updated production guidance reflecting continued operational optimization and mining scale-up activities. Success achieved with commercial initiatives led to resumption of planning for Phase 2 [...]

The Company announces the sale of 150,000 tonnes of high purity lithium fines at US$140/t upon warehouse delivery at the port of Vitoria. The agreement includes an option to sell an additional 350,000 tonnes at market prices. Sigma Lithium is pleased to report that the resumption of production cadence initiates client payments to the Company under the working capital revolver backed by 70,500 tonnes of high-grade lithium [...]

Brazil's mining regulator, Agencia Nacional de Mineracao issued an official technical statement about Sigma Lithium's waste piles, directly attesting their safety. The Mining Regulator unequivocally stated that it did not encounter any legal prerequisites for the adoption of precautionary measures of closure of Sigma Lithium's operations or waste piles. ANM is the regulatory authority with powers over mining activities in [...]

Sigma Lithium announces the resumption of mining activities at its Mine 1 in Vale do Jequitinhonha in Brazil, as scheduled. This step successfully concludes the restructuring of mining operations aimed at increasing safety and operating efficiency, with the Company's technical leadership managing mining activities and planning, while incorporating a larger off-road mining fleet to match the increased production capacity [...]

Sigma Lithium announces the resumption of mining activities at its Mine 1 in Vale do Jequitinhonha, as scheduled. This step successfully concludes the restructuring of mining operations aimed at increasing safety and operating efficiency, with the Company's technical leadership managing mining activities and planning, while incorporating a larger off-road mining fleet to match the increased production capacity achieved by [...]

Sigma Lithium announces the sale of 100,000 tonnes of high purity lithium fines for a price higher than the previous sale. The Company affirms mining remobilization activities are proceeding as planned and are expected to conclude in January 2026, as announced on Jan 13, 2026. Sigma Lithium vehemently denies as "fake news" inaccurate media reports that incorrectly denominated as "operational injunction" an administrative [...]

Sigma Lithium announces the sale of 100,000 tonnes of high purity lithium fines. The Company also provides an update of its mining remobilization activities, including the signing of a working capital revolving facility and closing of its first tranche. Sigma Lithium is honored to announce the appointment of Katia Abreu, a distinguished agribusiness leader and former Minister of Agriculture, as its new independent board [...]