Ms. Ana Cabral reports

SIGMA LITHIUM TO RELEASE 3Q 26 EARNINGS RESULTS ON NOVEMBER 13; WATCH CEO ANA CABRAL ON SIGMA'S NEW CHAPTER OF GROWT

Sigma Lithium Corp. will release its third quarter 2026 earnings results before the market opens on Friday, Nov. 13, 2026.

Ahead of the results, Sigma Lithium's co-chairperson and chief executive officer, Ana Cabral, sat down with Jessica Fertig, the company's investor relations adviser in Australia, for an in-depth conversation on the company's new chapter of growth and what it means for Australian and Asia Pacific shareholders. In the interview, Ms. Cabral discusses the upsized $125-million (U.S.) convertible bond into Australian Securities Exchange-listed CDIs, which refinances the company's maturing debt at a 7-per-cent fixed coupon and finances the opening of a lower-cost second mine; the operational recovery following the third quarter; the production outlook for the next 12 months and 2027; and the phase 2 and phase 3 growth pipeline. Watch the full interview, "Sigma Lithium (ASX: SAU): A New Chapter for Growth & APAC Investors -- September Quarter Update, US$125M Refinancing, Production Outlook," on Sigma Lithium's investor relations website.

Conference call

The company will hold a conference call to discuss its third quarter 2026 earnings results shortly after, on Friday, Nov. 13, 2026, at 7 a.m. EST. Access to the call will be available by webcast. A link to the webcast can be found on Sigma Lithium's website.

Webcast details

Event title:  Sigma Lithium third quarter 2026 earnings results call

Event date:  Nov. 13, 2026

Start time:  7 a.m. EST

About Sigma Lithium Corp.

Sigma Lithium is the largest industrial mineral producer of lithium oxide concentrate in the Americas, and is dedicated to industrializing socially and environmentally sustainable lithium materials to supply global producers of batteries for energy security. The company runs one of the world's largest lithium production sites -- the fifth-largest industrial mineral complex for lithium oxide concentrate -- at its Grota do Cirilo operation in Brazil. Sigma Lithium currently has a nameplate capacity to industrialize 330,000 tonnes of lithium oxide concentrate on an annualized basis at its mine and state-of-the-art cleantech industrial plant.

Sigma Lithium is at the forefront of environmental and social sustainability in the battery material supply chain. Its cleantech industrial plant combines nearly 100-per-cent water reuse, zero use of toxic chemicals, no tailings mud dams and 100 per cent renewable electricity. For more than three years, Sigma Lithium has recorded no lost-time accidents.

The company plans to resume its phase 2 expansion in 2027, which is designed to nearly double annual production capacity to 580,000 tonnes. It also plans a phase 3 expansion to increase capacity further to 830,000 tonnes.

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