06:35 AM EDT, 08/15/2025 (MT Newswires) -- Sigma Lithium ( SGML ) , a global lithium producer, on Friday reported a wider net loss in the second quarter as revenue dropped 62% due to a deliberate strategy to withhold product during intense price volatility.

The net loss was US$18.9 million, or US$0.17 per share, compared with a loss of US$10.8 million, or US$0.10 per share.

Sales revenue came in at US$21.1 million, down from US$56.3 million. Adjusted EBITDA swung to a loss of US$17.1 million from a positive US$10.6 million.

The company produced 68,368 tonnes, an increase from 49,389 tonnes and slightly higher than quarter production target of 67,500 tonnes. The company expects full-year 2025 production of 270,000 tonnes.

Cost of sales fell 20% to US$23.6 million. All-in sustaining cost was down 4% to an average of US$594/tonne, remaining below the full-year target of US$660/tonne.