Sigma Lithium Corporation, the largest producer of lithium oxide concentrate in the Americas, has announced its financial results for the three- and twelve-month periods ending December 31, 2025, alongside key operational updates.
The company reported cash from operations of US$31 million in 4Q25, driven by US$41 million in inflows against US$10 million in cash operating costs. “At the end of 4Q25, the Company’s had cash and cash equivalents of US$6.2 million, which was up slightly from US$6.1 million at the end of 3Q25, as the company used a substantial amount of the cash generated for debt repayment,” Sigma Lithium noted.
Cash inflows continued in 1Q26 with US$35 million, primarily from sales of high-purity lithium oxide fines, bringing cash and equivalents as of March 30, 2026 to US$12 million. The company expects 2Q26 inflows of US$96 million, including US$83 million from two recently signed offtake agreements and US$14 million from earlier sales.
Sigma Lithium has secured two major deals to supply high-grade lithium oxide concentrate. One agreement provides for a prepayment of US$96 million for 70,500 tonnes in 2026, with monthly disbursements of US$8 million. A second agreement locks in US$50 million to supply 40,000 tonnes annually for three years starting in 2026.
“These agreements include flexibility regarding the timing of delivery of the product, which will enable the Company to continue to execute its successful commercial strategy and fully benefit from lithium market seasonality,” the company said.
Sigma Lithium has reported net sales revenues of approximately US$67 million across 4Q25 and 1Q26, including sales of roughly 650,000 tonnes of high-purity lithium fines and 5,000 tonnes of high-grade premium lithium oxide concentrate. “Net sales revenues also included approximately US$14 million in product final price adjustments,” the company added.
Sigma Lithium posted an operating cash margin of 47% in 4Q25. “A decline in operating costs of 77% on a year-over-year basis more than offset a drop in net sales revenues of 64%,” the company said, highlighting its focus on cost efficiency and financial resilience.
The company continued to reduce debt throughout 2025, cutting trade finance debt by 60% and total debt by 35%. In 1Q26, trade finance debt was further reduced by 21% to US$19 million. Total debt at year-end 2025 stood at US$141 million, including a US$100 million loan that Sigma Lithium plans to repay in 2026 using proceeds from offtake agreements and strong cash flow.
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