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Transfer Agent

For information regarding share certificates, stock transfers and address changes, please contact:

Sigma Lithium

Please visit us at our social media channels or contact us at:

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

Fax

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

Online

www.computershare.com/service

Office

Avenida Nove de Julho 4939, 9th Floor, Office 84,Torre Europa, Itaim São Paulo, SP, 01407-200, Brazil

Registered Office

Suite 2200, HSBC Building, 885 West Georgia St.Vancouver, BC, V6C 3E8, Canada

Contact

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

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