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Corporate
Board of Directors
Management
Documents & Charters
Operations
Summary
Timeline
Operation Details
Sustainability
ESG Approach
Environment
Social
Governance
Sustainable Lithium
Media Gallery
Investors
Presentations
Events
Financials
SEC Filings
Quarterly Results
Annual Reports
Stock
Stock Quote and Chart
Analyst Coverage
News
Contact us
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ESG Reports
ESG Reports
Check out our governance documents
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Governance Documents
2021
2020
Code of Business Conduct and Ethics
Sep
/
2021
PDF
Whistleblower Policy
Sep
/
2021
PDF
Timely Disclosure, Confidentiality and Insider Trading Policy
Sep
/
2021
PDF
Board of Directors Mandate
Sep
/
2021
PDF
Chief Executive Officer Position Description
Sep
/
2021
PDF
Chair of the Board of Directors Position Description
Sep
/
2021
PDF
Sigma’s RIMA Report (Environmental Impact Report Portuguese only)
Nov
/
2020
PDF
Sigma’s EIA Study (Environmental Impact Study – Portuguese only)
Nov
/
2020
PDF
Discover our sustainability approach
Environment
Social
Governance
Sustainable Lithium
Media Gallery
High-Quality
‘Green Lithium’
Read more
Promoting the economic
growth
of
the local community
Read more
Maintaining the
Highest Standards
Read more
Explore the market forecast for
sustainable lithium
Read more
Experience
firsthand
some of our many
ESG initiatives
Read more
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