Sigma Lithium Corporation reported that it sold 100,000 tonnes of high‑purity lithium fines from its Port de Vitoria storage facility at an adjusted net price of US$140 per tonne, creating approximately US$14 million in revenue. The sale followed a similar transaction on January 13 that generated US$11 million, underscoring the company’s strategy to monetize waste‑stream assets.
The transaction is a key element of Sigma’s “Quintuple Zero Green Lithium” initiative, which promotes zero waste, zero hazardous chemicals, and zero accidents. By converting tailings into a marketable product, the company not only boosts cash flow but also reinforces its environmental brand, a critical differentiator in the competitive lithium market.
Proceeds from the fines sale will be directed toward the Phase 2 expansion at Grota do Cirilo, a project that will double production capacity to 520,000 tonnes per year. The additional liquidity also helps the company meet short‑term debt obligations, which as of June 2025 totaled US$167 million, with US$115 million due within 12 months. The sale therefore improves Sigma’s balance‑sheet resilience amid a weak gross‑profit margin of 9.2%.
Financially, the sale adds a one‑time revenue stream that offsets the company’s core‑operations decline. While Q2 2025 core revenue fell 21.1 million, the fines sale injects cash that can be used for capital expenditures and debt servicing, mitigating the impact of a weak operating margin. The company’s management highlighted that the transaction demonstrates operational efficiency and a strong execution of its green‑technology platform.
Investors reacted positively, with the stock surging after the announcement. The market viewed the sale as a tangible sign that Sigma can generate cash from its waste streams and that it is on track to complete mine remobilization by January 2026, countering earlier negative media reports. The company’s CEO, Ana Cabral, described the proceeds as a “green reward” for shareholders and emphasized the firm’s commitment to sustainable growth.
Ana Cabral added that the company remains focused on scaling its production while maintaining strict cost controls. She reiterated that the Phase 2 expansion will be financed through a combination of the fines sale proceeds and a BNDES loan, positioning Sigma to meet future demand for lithium in the electric‑vehicle battery supply chain.
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