Sigma Lithium Initiates Production of Green Lithium: Zero Tailings and Low Carbon
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SIGMA LITHIUM INITIATES PRODUCTION OF GREEN LITHIUM:
ZERO TAILINGS AND LOW CARBON
• Sigma Lithium has successfully transitioned from developer to producer with the achievement of
first production of Battery Grade Sustainable Lithium Concentrate (“Green Lithium”)
• The Company accomplished this critical milestone safely and on schedule through the completed
commissioning of the Dense Medium Separation (“DMS”) circuit, the second module of its Greentech
Plant, which marks the finalization of construction of Phase 1 of the Grota do Cirilo project
• Successful initial production runs achieved 75% of nameplate throughput capacity. The Greentech
Plant is expected to produce at full production capacity by July 2023
• Inaugural first shipment is expected to be approximately 15,000 tonnes of Green Lithium , targeted
for May 2023
• Sigma Lithium has generated significant commercial interest in and intends to sell 100% of its ultra-
fine tailings, which is expected to be approximately 300,000 tonnes from Phase 1 operations
• Green Lithium expected to reach the premium specifications set by advanced battery producers:
o Lithium oxide: concentrate calibrated to lithium industry standard of 5.5% Li2O
o Size of particles: coarse lithium concentrate particle size of 0.5mm to 9.5mm
o High purity: 0.65% iron oxide, 0.39% potassium oxide, 0.37% potassium
VANCOUVER, CANADA – (April 17, 2023) – SIGMA Lithium Corporation (“Sigma Lithium” or the “Company”)
(NASDAQ: SGML, TSXV: SGML) , dedicated to powering the next generation of electric vehicles with Green
Lithium, is pleased to announce that it has successfully and safely achieved first production of Green Lithium, thus
concluding the commissioning process and transitioning the Company from developer to producer.
Completing the commissioning of the Phase 1 Greentech Plant is the final critical milestone in the development of
the Grota do Cirilo project in Brazil and marks the successful completion of Phase 1 project construction. Sigma
Lithium’s technical team, led by COO Brian Talbot, will now turn its attention to ramping up throughput to full
production capacity, which it expects to achieve by July 2023.
As the project ramps to full production capacity, high-quality Green Lithium will be stockpiled and prepared for
sale, with an inaugural first shipment of approximately 15,000 tonnes e xpected in May 2023. The Company
recently announced that it had obtained its environmental operating license to sell all Green Lithium product from
current and future production, including any stockpiled product.
Ana Cabral -Gardner, Sigma Lithium CEO and Co -Chairperson congratulates the Sigma Lithium team and is
pleased that Sigma Lithium is delivering on its production targets for all of its stakeholders.
“Sigma Lithium was created almost a decade ago and set out to prove that lithium extraction could be done in a
way that is environmentally and socially responsible. Reaching this milestone from developer to producer is an
incredible achievement and a testament to the many years of hard work of the entire Sigma team . We are thrilled
to deliver on schedule for our supporters and partners.”
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“We are endlessly proud to be producing our first tonnes of Green Lithium, and we hope to shine a spotlight on the
tremendous potential for Brazil to be a leader in the energy transition as a key supplier of raw materials that can be
mined and processed in a sustainable way for our environment and our communities.”
As previously announced, Sigma Lithium continues the detailed engineering work on the Phase 2 & 3 Greentech
Plant Expansion, targeting to triple production of Green Lithium from 270,000 tpa to 766,000 tpa , if supported
by the Feasibility Study currently being conducted.
Figure 1: Completion of DMS Commissioning and First Production of Green Lithium
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Figure 2: Completion of DMS Commissioning and First Production of Green Lithium
Figure 3: Completion of DMS Commissioning and First Production of Green Lithium
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QUALIFIED PERSONS
Mr. Wes Roberts, P.Eng., co-head of the technical committee of the Company, is the “qualified person” under
National Instrument 43-101 who reviewed and approved the other technical information included in this news
release.
ABOUT SIGMA LITHIUM
Sigma Lithium (NASDAQ: SGML, TSXV: SGML) is a company dedicated to powering the next generation of
electric vehicle batteries with environmentally sustainable and high-purity lithium.
Sigma Lithium has been at the forefront of environmental and social su stainability in the EV battery materials
supply chain for six years and it is currently producing Green Lithium from its Grota do Cirilo Project in Brazil .
Phase 1 of the project is expected to produce 270,000 tonnes of Green Lithium annually (36,700 LCE annually).
If it is determined to proceed, Phase 2 & 3 of the project are expected to increase production to 766,000 tonnes
annually (or 104,200 LCE annually). The project produces Green Lithium in a state-of-the-art Greentech lithium
plant that uses 100% renewable energy, 100% recycled water and 100% dry -stacked tailings. Please refer to
the Company’s technical report titled “Grota do Cirilo Lithium Project, Araçuai and Itinga Regions, Minas Gerais,
Brazil, Updated Technical Report” dated October 31st, 2022, which is filed on SEDAR and is also available on the
Company’s website.
For more information about Sigma Lithium, visit https://www.sigmalithiumresources.com/
FOR ADDITIONAL INFORMATION PLEASE CONTACT
Jamie Flegg, Chief Development Officer
(Toronto) +1 (647) 706-1087
Daniel Abdo, Chief Communications Officer
(Sao Paulo) +55 11 2985-0089
Sigma Lithium
Sigma Lithium
@sigmalithium
@SigmaLithium
FORWARD-LOOKING STATEMENTS
This news release includes certain "forward -looking information" under applicable Canadian and U.S. securities legislation,
including but not limited to statements relating to timing and costs related to the general business and operational outlook of
the Company including production estimates and projected cash flows ; timing for the commissioning of the Greentech Plant
and commencement of commercial production , completion of t he report relating to the Greentech Plant expansion
expectations as to the commencement of cash flow and whether such cash flows can support the Greentech Plant expansion,
operational status, the Company meeting its social and climate initiative and objectives, and other forward-looking information.
All statements that address future plans, activities, events, estimates, expectations or developments that the Company believes,
expects or anticipates will or may occur is forward -looking information, including statements regarding the potential
development of mineral resources and mineral reserves which may or may not occur. Forward -looking information contained
herein is based on certain assumptions regarding, among other things: general economic and political conditions (including bu t
not limited to the impact of the continuance or escal ation of the military conflict between Russia and Ukraine, and economic
sanctions in relation thereto); the stable and supportive legislative, regulatory and community environment in Brazil; anticipated
trends and effects in respect of the COVID-19 pandemic and post-pandemic; demand for lithium, including that such demand is
supported by growth in the electric vehicle market; the Company’s market position and future financial and operating
performance; the Company’s estimates of mineral resources and mineral reserves, including whether mineral resources will ever
be developed into mineral reserves; and the Company’s ability to develop and achieve production at its mineral projects including
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that the Company will not experience any materials or equipment shortages, any labour or service provider outages or delays or
any technical issues in the course of final commissioning or in respect of the Greentech Plant, the expected positive results of
the engineering report. Although management believes that the assumptions and expectations reflected in the forward-looking
information are reasonable, there can be no assurance that these assumptions and expectations will prove to be correct.
Forward-looking information inherently involves and is subject to risks and unce rtainties, including but not limited to that the
Company may not develop its mineral projects into a commercial mining operation; the market prices for lithium may not remain
at current levels; and the market for electric vehicles and other large format batteries currently has limited market share and no
assurances can be given for the rate at which this market will develop, if at all, which could affect the success of the Comp any
and its ability to develop lithium operations. There can be no assurance that such statements will prove to be accurate, as actual
results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not
place undue reliance on forward-looking information. The Company disclaims any intention or obligation to update or revise any
forward-looking information, whether because of new information, future events or otherwise, except as required by law. For
more information on the risks, uncertainties and assumptions that could cause our actual results to differ from current
expectations, please refer to the current annual information form of the Company and other public filings available under the
Company’s profile at www.sedar.com.
Neither the TSX Venture Exchange nor its Regulation Ser vices 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.