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Sigma Lithium faces $540,000 in fines, begins TAC talks in Brazil

Wed, 22 Jul 2026 16:48:29 -0400

Sigma Lithium Corporation (NASDAQ: SGML) has begun negotiating a settlement agreement with the Minas Gerais state government in Brazil following environmental fines issued by a regional regulatory body.

The Vale do Jequitinhonha branch of SUPRAM, the Minas Gerais environmental state body based in Diamantina, issued fines totaling approximately $540,000. Several of the fines relate to environmental issues from 2013 to 2022.

Sigma Lithium said it denies any wrongdoing and has filed factual and quantitative environmental evidence with FEAM, the state's environmental regulator, in support of its defense. The company specifically denied misrepresenting information filed with environmental authorities since 2018, denied commercially selling

Form 6-K Sigma Lithium Corp For: Jul 22

Wed, 22 Jul 2026 16:48:00 -0400

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Form 6-K Sigma Lithium Corp For: Jul 22

Wed, 22 Jul 2026 16:48:00 -0400

si-local-file:///var/storage/secattach/20260722/26802383.html

Sigma Lithium Negotiating Agreement with Minas Gerais State Government to Settle Notification by Regional Environmental State Body; Coincides with 2Q Production Target Beat

Wed, 22 Jul 2026 16:45:00 -0400

Toronto, Ontario--(Newsfile Corp. - July 22, 2026) - Sigma Lithium Corporation (NASDAQ: SGML) (TSXV: SGML) (BVMF: S2GM34) ("Sigma Lithium" or the "Company"), the largest producer of lithium oxide concentrate in the Americas¹ and dedicated to industrializing socially and environmentally sustainable lithium materials to supply global producers of batteries for energy security, announces that yesterday it started negotiating a TAC or terms for adjustment of procedures ("Termo de Ajuste de Conduta" or "TAC Agreement"), with the Minas Gerais State Government.

The negotiations follow a notification by the Vale do Jequitinhonha branch of SUPRAM, the Minas Gerais environmental state body, which is

Sigma Lithium Negotiating Agreement with Minas Gerais State Government to Settle Notification by Regional Environmental State Body; Coincides with 2Q Production Target Beat

Wed, 22 Jul 2026 16:45:00 -0400

The negotiations follow a notification by the Vale do Jequitinhonha branch of SUPRAM, the Minas Gerais environmental state body, which is

Form 6-K Sigma Lithium Corp For: Jul 15

Wed, 15 Jul 2026 17:21:00 -0400

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Form 6-K Sigma Lithium Corp For: Jul 15

Wed, 15 Jul 2026 17:21:00 -0400

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Form 6-K Sigma Lithium Corp For: Jul 15

Wed, 15 Jul 2026 17:20:00 -0400

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Form 6-K Sigma Lithium Corp For: Jul 15

Wed, 15 Jul 2026 17:20:00 -0400

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Sigma Lithium shareholders reelect full board with 96% support

Wed, 15 Jul 2026 17:14:05 -0400

Sigma Lithium Corporation (NASDAQ: SGML) held its 2026 Annual Meeting of Shareholders on June 30, 2026, at which all five director nominees were elected or reelected with a combined approval rate of 96.25% of votes cast.

A total of 81,553,499 common shares, representing 72.77% of outstanding shares, were voted at the meeting in person and by proxy.

CEO and Co-Chairperson Ana Cristina Cabral received 97.41% of votes in favor. Other elected directors included Junaid Jafar at 99.94%, Alexandre Rodrigues Cabral at 99.94%, Kátia Abreu at 99.97%, and Marcelo Paiva at 83.97%.

Shareholders also voted 99.93% in favor of fixing the number of directors

Sigma Lithium Announces Reelection of Board of Directors with over 96% Votes at Its Annual Shareholder Meeting, Supporting Its Growth Strategy in Minas Gerais

Wed, 15 Jul 2026 17:05:00 -0400

HIGHLIGHTS

Shareholders elected and/or re-elected all director nominees at the Company's 2026 Annual Shareholders Meeting by a significant landslide majority of over 96% of the votes.
- Ana Cabral, CEO and Co-Chairperson, was re-elected with 97.4% of the votes.
Shareholders demonstrated confidence in the ability of the Board and senior management to steer the Company to execute its growth strategy for the next 12 months, including the conclusion of the construction of its second factory, enabling the industrialization of 520,000tpy of lithium oxide concentrate.
That expansion, once implemented by the Company, will benefit a total of 120,000 people in

Sigma Lithium Announces Reelection of Board of Directors with over 96% Votes at Its Annual Shareholder Meeting, Supporting Its Growth Strategy in Minas Gerais

Wed, 15 Jul 2026 17:05:00 -0400

HIGHLIGHTS
Shareholders elected and/or re-elected all director nominees at the Company's 2026 Annual Shareholders Meeting by a significant landslide majority of over 96% of the votes.
Ana Cabral, CEO and Co-Chairperson, was re-elected with 97.4% of the votes.
Shareholders demonstrated confidence in the ability of the Board and senior management to steer the Company to execute its growth strategy for the next 12 months, including the conclusion of the construction of its second factory, enabling the industrialization of 520,000tpy of lithium oxide concentrate.
That expansion, once implemented by the Company, will benefit a total of 120,000 people in

Sigma Lithium tops Q2 production guidance with 35,000 tonnes output

Thu, 09 Jul 2026 16:19:39 -0400

Sigma Lithium Corporation (NASDAQ: SGML, TSXV: SGML, BVMF: S2GM34) produced 35,000 tonnes of lithium concentrate in the second quarter of 2026, exceeding its guidance of 33,000 tonnes by approximately 6%, according to a company statement.
The company attributed the production result to a mining operations upgrade, which included expanding its mining fleet and implementing an updated mine plan. Its Cleantech Industrial Plant achieved a 70% recovery rate of lithium from spodumene ore, delivering an approximate 20% yield.
Sigma Lithium said it is on track to reach an annualized production rate of 240,000 tonnes under its Phase 1 operations. The company also outlined

Form 6-K Sigma Lithium Corp For: Jul 09

Thu, 09 Jul 2026 16:15:00 -0400
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Form 6-K Sigma Lithium Corp For: Jul 09

Thu, 09 Jul 2026 16:15:00 -0400
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Sigma Lithium Produced 35,000t Lithium Concentrate in 2Q26, Beat Guidance, Delivering Successful Mining Operations Upgrade

Thu, 09 Jul 2026 16:15:00 -0400

HIGHLIGHTS
Produced of 35,000t of lithium oxide concentrate in 2Q26, exceeding previous guidance of 33,000t
Demonstrates successful execution of the Company's mining operations upgrade
Cleantech industrial operations continue to exceed expectations, achieving 70% recovery of lithium from spodumene ore, delivering approximately 20% yield
On track to deliver annualized production of 240,000t for Phase 1
Toronto, Ontario--(Newsfile Corp. - July 9, 2026) - Sigma Lithium Corporation (NASDAQ: SGML) (TSXV: SGML) (BVMF: S2GM34) ("Sigma Lithium" or the "Company"), the largest producer of lithium oxide concentrate in the Americas¹ and dedicated to industrializing sustainable and traceable lithium materials to supply global producers of batteries for energy

Sigma Lithium Produced 35,000t Lithium Concentrate in 2Q26, Beat Guidance, Delivering Successful Mining Operations Upgrade

Thu, 09 Jul 2026 16:15:00 -0400

HIGHLIGHTS
Produced of 35,000t of lithium oxide concentrate in 2Q26, exceeding previous guidance of 33,000t
Demonstrates successful execution of the Company's mining operations upgrade
Cleantech industrial operations continue to exceed expectations, achieving 70% recovery of lithium from spodumene ore, delivering approximately 20% yield
On track to deliver annualized production of 240,000t for Phase 1
Toronto, Ontario--(Newsfile Corp. - July 9, 2026) - Sigma Lithium Corporation (NASDAQ: SGML) (TSXV: SGML) (BVMF: S2GM34) ("Sigma Lithium" or the "Company"), the largest producer of lithium oxide concentrate in the Americas¹ and dedicated to industrializing sustainable and traceable lithium materials to supply global producers of batteries for energy

Form 6-K Sigma Lithium Corp For: Jun 09

Tue, 09 Jun 2026 07:40:00 -0400
si-local-file:///var/storage/secattach/20260609/26620341.html

Form 6-K Sigma Lithium Corp For: Jun 09

Tue, 09 Jun 2026 07:40:00 -0400
si-local-file:///var/storage/secattach/20260609/26620341.html

Sigma Lithium wins appeal in Brazil court, avoids $10 million bond

Tue, 09 Jun 2026 07:34:26 -0400

Sigma Lithium Corporation (NASDAQ: SGML) said a Court of Appeal Judge in the Court of Justice of Minas Gerais state overturned a lower court decision that included the potential for a legal collateral of $10 million.
The state court ruling was based on environmental data presented by Sigma Lithium covering one year of monitoring by third parties. The data measured dust, vibrations and noise levels in four neighboring communities around the company's operations.
According to the company's defense materials, dust measurements showed Sigma Lithium operates 560% better than recommended standards for total suspended particles and 350% better for particles below 2.5 micrometers.

Sigma Lithium Wins in State Court of Minas Gerais; Overturn of Unwarranted Local Judge Decision

Tue, 09 Jun 2026 07:30:00 -0400

HIGHLIGHTS
A Court of Appeal Judge in the Court of Justice of Minas Gerais state overturned a local lower court decision that included the potential for a legal collateral of US$10 million.

The ruling was based on robust quantitative evidence presented by Sigma Lithium: one year of environmental data collected by third parties demonstrating the Company's track record - low levels of dust, vibrations, noise, measured by independent experts in four neighbouring communities - in addition to other legal issues.

The data-based defence presented by the Company debunked the baseless claims made by local prosecution and was

Sigma Lithium Wins in State Court of Minas Gerais; Overturn of Unwarranted Local Judge Decision

Tue, 09 Jun 2026 07:30:00 -0400

HIGHLIGHTS
A Court of Appeal Judge in the Court of Justice of Minas Gerais state overturned a local lower court decision that included the potential for a legal collateral of US$10 million.

The ruling was based on robust quantitative evidence presented by Sigma Lithium: one year of environmental data collected by third parties demonstrating the Company's track record - low levels of dust, vibrations, noise, measured by independent experts in four neighbouring communities - in addition to other legal issues.

The data-based defence presented by the Company debunked the baseless claims made by local prosecution and was

Form 6-K Sigma Lithium Corp For: Jun 02

Wed, 03 Jun 2026 06:01:00 -0400
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Form 6-K Sigma Lithium Corp For: Jun 02

Wed, 03 Jun 2026 06:01:00 -0400
si-local-file:///var/storage/secattach/20260603/26594707.html

Sigma Lithium Demonstrates Excellence in Environmental Performance Filing Data Collected by External Experts Measuring Low Noise, Low Dust, Low Vibrations

Tue, 02 Jun 2026 18:31:00 -0400

HIGHLIGHTS
Sigma Lithium files one year of external expert environmental data (for the 12 months to May 2026) demonstrating its track record: low levels of dust, vibrations, noise, monitored in four neighbouring communities, as follows:
Dust: Sigma Lithium operates 560% better than recommended standards for total suspended particles, 350% better for particle size of below 2.5 micrometers.
Noise: 95 measurement campaigns conducted during night and day demonstrated compliance with ABNT standards.
Vibrations: The level of vibrations measured in terms of velocity measured in millimeters per second against the frequency measured in Hertz were extremely low, barely registering