Sigma Lithium resumed sales of high‑grade premium lithium oxide in the first quarter of 2026, marking the first time the company has achieved an industrial production cadence for the product. The company expects gross revenues of about $47.9 million from 28,000 tonnes at a grade‑adjusted price of approximately US$1,712 per tonne.
In addition, Sigma completed its inaugural sale of 400,000 tonnes of high‑purity lithium fines at the plant gate on an ex‑works basis at US$50 per tonne, generating an estimated US$20 million profit. The company now holds 300,000 tonnes of fines that could add at least US$15 million profit under current market conditions.
The Greentech industrial plant, upgraded to process dry‑stacked tailings, enabled the beneficiation of waste into marketable lithium concentrates, validating the company’s circular‑economy approach. The sale of fines demonstrates the ability to monetize previously idle tailings and strengthens cost leadership in the hard‑rock sector.
Management highlighted the significance of the milestone. Ana Cabral, Co‑Chairperson, said, "The resumption of sales of high‑grade premium lithium oxide is in accordance with the outlook we highlighted at our investor presentations this year." Marina Bernardini, VP of Business Development, added, "Our inaugural sales of high‑purity lithium fines, delivered at the plant on an ex works basis, confirms the profitability of these sales and highlights the potential for future cash flow to be generated from the remaining inventories of high‑purity fines currently at the plant. They also further reinforce the sustainability reward for shareholders that we have demonstrated through successive profitable sales of these products."
The company is building a second Greentech plant to double production capacity, positioning it to capture a larger share of the growing lithium‑oxide concentrate market. The operational milestone signals strong execution and a scalable model that could drive future revenue growth.
With the first industrial production cadence achieved and significant profit from fines, Sigma Lithium has reinforced its competitive advantage in the hard‑rock lithium sector and set the stage for continued expansion.
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