Sigma Lithium Reports 2020 Annual Results of Transformative Year and Announces Plans to Seek Listing on a Major United States Stock Exchange

INVESTOR VIDEO CONFERENCE CALL May 7, 2021 at 10 AM (EST) Zoom video call link below: https://zoom.us/j/93212583963 Zoom meeting number: 932 125 83963 Join by phone using the following dial in: North America: [phone], UK: [phone], Brazil: [phone]

HIGHLIGHTS

• Completed all critical field-based pre-construction activities within scheduled and budgeted parameters, with enhanced COVID-19 protocols in place.
• Phase 1 production of 220,000t per annum (33,00 0t of LCE) of green battery grade lithium expected Summer of 2022.
• June 2021 planned release of pre-feasibility study of viability for Phase 2 production at 440,000t (65,000t LCE) per annum.
• Pilot DMS plant pre-feasibility testing achieves high recovery of 60.7% of Li2O for Phase 2 production, similar to Phase 1.
• Resumed drilling and related geological activities seeking to significantly increase its mineral resource estimate.
• Strong focus on the “S” of ESG, supporting vulnerable population during COVID-19 pandemic and beyond:
  • Initiated supply of approximately 400,000 meals to 2,400 people in 10 months, 12,000 liters of hospital disinfectant and 840 kg of hand sanitizer.
  • Launched an Independent Agency to foster private investment in economic diversification of Vale do Jequitinhonha, with support of Minas Gerais State development agency, INDI.
• Several senior professionals joined implementation team, including project manager officer.
  • CEO relocated to site permanently in 3Q20. Average of 86 people working on site in 2021.
• The Company plans to achieve net zero carbon emission targets by 2023, partly as a result of its ESG program and strategic decision to pursue generation of internal carbon credits through “in-setting” (within its regional ecosystem)
• The Company has sufficient liquidity, with C$46.3 million in cash, as a result of its 2020 and 2021 equity financings, an amount sufficient to cover the entire equity component of the necessary project financing for construction and to finance all ongoing workstreams.

VANCOUVER, British Columbia, May 04, 2021 (GLOBE NEWSWIRE) -- SIGMA Lithium Resources Corporation (“Sigma” or the “Company”) ( TSX-V: SGMA ) ( OTC- QB: SGMLF ) has filed its audited consolidated financial and operating results and management’s discussion and analysis (“MD&A”) for the year ended December 31, 2020. The MD&A includes a comprehensive technical and corporate update to April 30, 2020. The financial statements and MD&A are available at on SEDAR (www.sedar.com) and at the Company corporate website at the following links: https://www.sigmalithiumresources.com/wp-content/uploads/2021/05/Sigma ... and https://www.sigmalithiumresources.com/wp-content/uploads/2021/05/Sigma ....