Sigma Lithium Sets Global Benchmark in Green Mining with Sustainability Accolade and Major Efficiency Upgrade

Sigma Lithium Earns Recognition as a Global Model for Sustainable Lithium Production

In a noteworthy development for the critical minerals sector, Sigma Lithium (NASDAQ: SGML) has been highlighted as a case study in sustainability excellence by Brazil's Instituto Itausa and Instituto Arapyau. The industry report singles out Sigma as a global reference in environmentally responsible lithium production, spotlighting its achievement of 'Quintuple Zero' green lithium—produced without dams, hazardous chemicals, carbon emissions, fossil energy, or excessive water use. Sigma’s operation leverages 100% renewable energy, recycles 90% of its water, and applies dry processing and gravity separation, marking it as a frontrunner in green mining practices.

Industry-Leading Environmental, Social, and Safety Performance Sets Sigma Apart

The sustainability accolades extend beyond Sigma’s production process. The company has successfully adapted best-in-class iron and bauxite mining practices to lithium extraction while maintaining rigorous ESG (Environmental, Social, and Governance) standards. Efforts such as ecological corridor creation, reforestation of Brazil’s Cerrado, and income generation for local communities demonstrate a holistic approach to sustainable mining that addresses both biodiversity and social inclusion.

Notably, Sigma’s industrial Greentech plant boasts more than two years—735 days—without a single lost time injury, with zero fatalities. This safety record, among the best globally according to the International Council of Metals and Mining, positions Sigma as an industry leader in operational safety and sustainability culture.

Operational Upgrades Aim to Drive Efficiency and Reduce Costs by 20%

Sigma Lithium is not resting on its laurels. The company is now embarking on a major upgrade to its mining operations, a strategic move designed to increase efficiency and remain competitive as global lithium prices fluctuate. Mining activities currently represent over 66% of plant gate costs, with industrial operations at just 33%—one of the leanest ratios in the sector. The current upgrade targets a 20% reduction in these costs by improving ore delivery rates, stabilizing production at the Greentech plant, and modernizing the mining fleet with larger, more efficient trucks.

By implementing these changes now—originally planned for a later project phase—Sigma aims to optimize current capacity and set the groundwork for rapid scaling when a second Greentech plant launches in 2026.

Engaged in Global Energy Transition Leadership and Dialogue

Sigma Lithium’s commitment goes beyond its own operations. The company is an active participant in global forums focused on the clean energy transition, such as the United Nations Energy Forum and the Columbia University Center on Global Energy Policy roundtables. By aligning with policy makers, multilateral organizations, and industry peers, Sigma underscores its leadership in providing clean minerals critical to electrification, battery supply chains, and climate action goals. Its recent engagement at high-level climate events in New York and ongoing preparations for COP30 in Brazil highlight Sigma's ambition to set the global agenda on responsible mineral development.

Takeaway: Sigma Lithium Poised for Sustainable Growth and Sector Leadership

Sigma Lithium's recognition as a global reference for sustainable lithium and its decisive efficiency upgrades put it in a strong position as demand for green minerals accelerates. With a track record of safety, ecological innovation, and community engagement, Sigma offers a compelling case study in how resource development and sustainability can move forward in lockstep. Investors and stakeholders tracking the lithium space—and the future of sustainable electrification—will find Sigma's next phase of operational growth and climate engagement worth following.

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