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SGML.V ·

Sigma Lithium to Release 3Q 2023 Results ON

Financials

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SIGMA LITHIUM TO RELEASE 3Q 2023 RESULTS ON

NOVEMBER 14, 2023;

CEO TO BE FEATURED IN FIRESIDE CHAT AT GOLDMAN

SACHS GLOBAL METALS CONFERENCE ON NOVEMBER 15,

2023

SAO PAULO, BRAZIL – (November 8, 2023) – Sigma Lithium Corporation (“Sigma Lithium” or the “Company”)

(NASDAQ: SGML, TSXV: SGML , BVMF: S2GM34), a leading global lithium producer dedicated to powering the

next generation of electric vehicles with carbon neutral, responsibly sourced chemical grade lithium concentrate,

today announced it will file its consolidated financial statements for the quarter ended September 30, 2023, and

the related MD&A after market close on November 14, 2023 . The release will be followed by a n investor

conference call on November 15, 2023, at 8:00 a.m. ET to discuss the results.

Participants interested in joining Sigma Lithium’s live question and answer session are encouraged to pre-register

by clicking here to obtain a dial -in number and unique PIN. A live webcast of the event will be available on the

company's investor relations website, ir.sigmalithiumresources.com. Investors can also listen to the earnings

webcast via telephone by dialing 1 -866-777-2509 (US Toll Free) or 1 -412-317-5413 (outside the U.S.) . It is

recommended to join the call at least 15 minutes in advance.

Sigma Lithium’s third quarter 2023 press release, investor presentation and quarterly filings will be available

through the company's investor relations website, ir.sigmalithiumresources.com. A webcast replay will also be

available following the conclusion of the event.

Participation in Goldman Sachs Global Metals and Mining Conference

Sigma Lithium is also pleased to announce its participation at the upcoming Goldman Sachs Global Metals and

Mining Conference, which will be held November 15 -16, 2023, at the Goldman Sachs Conference Center in New

York. Sigma Lithium co-Chairperson and CEO Ana Cabral will participate in a fireside chat on November 15.

ABOUT SIGMA LITHIUM

Sigma Lithium (NASDAQ: SGML, TSXV: SGML, BVMF: S2GM34) is a leading global lithium producer dedicated to

powering the next generation of electric vehicle batteries with carbon neutral, socially and environmentally

sustainable chemical-grade lithium concentrate.

Sigma Lithium has been at the forefront of environmental and social sustainability in the EV battery materials

supply chain for six years and it is currently producing Triple Zero Green Lithium from its Grota do Cirilo Project

in Brazil. Phase 1 of the project is expected to produce 270,000 tonnes of Triple Zero Green Lithium annually

(36,700 LCE annually). If it is determined to proceed after completion of an ongoing feasibility study , Phase 2 &

3 of the project are expected to increase production to 766,000 tonnes annually (or 104,200 LCE annually). The

project produces Triple Zero Green Lithium in its 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 National Instrument 43-101 technical report titled "Grota do Cirilo Lithium Project

Araçuaí and Itinga Regions, Minas Gerais, Brazil, Amended and Restated Technical Report" issued June 12, 2023,

which was prepared for Sigma Lithium by Homero Delboni Jr., MAusIMM, Promon Engenharia; Marc -Antoine

Laporte, P.Geo, SGS Canada Inc; Jarrett Quinn, P.Eng., Primero Group Americas; Porfirio Cabaleiro Rodriguez,

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(MEng), FAIG, GE21 Consultoria Mineral; and Noel O'Brien, B.E., MBA, F AusIMM (the “Updated Technical

Report”). The Updated Technical Report 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, Director, Business Development

+1 (647) 706-1087

[email protected]

Daniel Abdo, Director, Investor Relations

+55 11 2985-0089

[email protected]

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, the environmental footprint of tailings and positive ecosystem impact relating thereto, donation and upcycling of

tailings, timing and quantities relating to tailings and Green Lithium, achievements and projections relating to the Zero Tai lings

strategy, achievement of ramp-up volumes, production estimates and the operational status of the Grot a do Cirilo Project, 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; the stable and supportive legislative, regulatory and community environment in Brazil; 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, includi ng whether

mineral resources will ever be de veloped into mineral reserves; and the Company’s ability to operate its mineral projects

including that the Company will not experience any materials or equipment shortages, any labour or service provider outages or

delays or any technical issues. 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 inherent ly involves and is subject to risks and uncertainties, including but not limited to that the

market prices for lithium may not remain at current levels; and the market for electric vehicles and other large format batte ries

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 Company and its ability to develop lithium operations. There can be no assurance that such

statements will prove to be accurat e, 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 re vise 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 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.