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Sigma Lithium Joins Mining & Tailings Safety Summit in London Led by The Church of England Pensions Board and The Swedish National Pension Funds

Corporate Updates

Sigma Lithium Joins Mining & Tailings Safety Summit in London Led by The

Church of England Pensions Board and The Swedish National Pension Funds

VANCOUVER, British Columbia, Nov. 04, 2019 -- Sigma Lithium Resources Corporation (“Sigma ”) (TSXV:  SGMA) (OTCQB:

 SGMLF) is honored to announce that Ana Cabral-Gardner, Chief Strategy Officer and executive Board Member, joined the

Mining & Tailings Safety Summit held in London on October 31. The Mining & Tailings Safety Initiative is led by the Church of

England Pensions Board and the Swedish National Pension Funds as well as being supported by leading global institutional

investors representing approximately U$13 trillion in assets under management.

Co-Chaired by Adam Matthews, Director of Ethics & Engagement at the Church of England Pensions Board, and John

Howchin, Secretary-General of the Council on Ethics Swedish National Pension Funds, the Summit reviewed global progress

nine months following Brumadinho. Investors, Brazilian, UK and Chilean regulators, presented to the world’s leading mining

companies the Discussion Paper tabled by Initiative Co-Chairs with the purpose of aligning expectations among investors,

banks and insurers.

“Sigma’s investors are ESG leaders who fully support our mission to change the environmental paradigm in mining

in Brazil and as such are ahead of the curve. Investors have power in driving the Pension Funds’ Minings & Tailings Safety

Initiative by not only rewarding with higher trading multiples and valuations to mining companies that adhere to best

environmental practices, but also by supporting regulators who define the standardization of disclosures while exerting

pressure for increased transparency from companies”, says Sigma’s Cabral-Gardner.

“Our sector now faces a turning point similar to the challenges faced by the consumer industry in the last decade. Millennial

consumers want to learn as much as possible about the environmental practices of the suppliers of everything they buy, use,

eat and put on their bodies. Sustainability is now mainstream and ESG becomes a norm as opposed to being just a 'nice to

have'. The millennial consumer is going as far upstream as possible before making an informed decision. Mining has an

established centuries-old culture that is being rapidly challenged by society to adapt very fast to the demands of an

increasingly 21st century environmentally-focused world. The best mining companies will rise to the challenge, as their own

social and operational licenses are at stake. This is the 'new normal'" , adds Cabral.

Sigma Lithium is a pioneer among battery materials companies in the utilization of state-of-the-art environmental techniques

for dry stacking tailings management and water recirculation in its pilot battery grade lithium concentrate processing plant in

Brazil.

Sigma has consistently committed significant capex towards environmental investments. In the recently announced feasibility

study for its Grota do Cirilo Project it allocated approximately 15% of the capex towards environmental equipment that would

maintain Sigma in the forefront of best practices. Sigma is the largest investor in one of the poorest regions of Brazil with one

of the country’s lowest IHD (index of human development). The Company is conducting a social license program to benefit the

local community as well as support the local government in social initiatives in compliance with the conditions of its dual

environmental LI/LP license.

ABOUT SIGMA LITHIUM 

Sigma is a Canadian company producing environmentally sustainable and low-cost battery grade lithium concentrate in its

pilot plant in Brazil. Sigma production process is powered by green hydroelectricity and it utilizes state of the art dry stacking

tailings management and water recycling techniques in the beneficiation process.

Sigma was created green in 2013 in order to secure a leading position supplying the clean mobility value chain as it rapidly

migrates to electric vehicles. Environmental sustainability is a core purpose for Sigma.

Our corporate mission is to execute our strategy while embracing strict environmental, social, and governance (“ESG”)

principles. Sigma’s shareholders include some of the largest ESG-focused institutional investors in the world.

Sigma is on track to achieve commercial production in 2021 of a low impurities, highly engineered 6% battery-grade lithium

concentrate to the global supply chain of the fast-growing lithium-ion battery market, driven by the increasing demands of

global decarbonization and climate action led by electric vehicles and energy storage.

FORWARD-LOOKING STATEMENTS

For more information on the risks, uncertainties and assumptions that could cause our actual results to differ from current

expectations, please refer to our public filings available at www.sedar.com. Neither the TSX Venture Exchange nor its

Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for

the adequacy or accuracy of this news release.

For Additional Information Please Contact:

Betty LeBlanc

Director of Corporate Communications

Tel: + 1 604 828-0999

[email protected]

Ana Cabral

Chief Strategy Officer

Tel: + 55 11 2985-0089

[email protected]

Sigma Lithium Resources Corporation

www.sigmalithiumresources.com