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Sigma Lithium

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Computershare Investor Services

100 University Avenue, 8th Floor, North Tower Toronto, ON, M5J 2Y1, Canada

Phone

Canada and the US: 1-800-564-6252 (Toll-free, 8:30am-8pm EST)

International: +1 514-982-7555

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Canada and the US: 1-888-453-0300

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www.computershare.com/service

Registered Office

181, Bay Street, Suite 4400, Toronto, Ontario, M5J 2T3, Canada

Contact

Phone: +55 11 2985 0089 General: contact@sigmalithium.com.br Investors: ir@sigmalithium.com.br

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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.

Registered Office

181, Bay Street, Suite 4400, Toronto, Ontario, M5J 2T3, Canada

Contact

+55 11 2985 0089
contact@sigmalithium.com.br

Grota do Cirilo

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