Washington, D.C. 20549










A. Name of issuer or person filing (“Filer”): Sigma Lithium Corporation
B. (1) This is [check one]:  
  x an original filing for the Filer  
  ¨ an amended filing for the Filer  
  (2) Check the following box if you are filing the Form F-X in paper in accordance with Regulation S-T Rule 101(b)(9) ¨
C. Identify the filing in conjunction with which this form is being filed:
  Name of Registrant: Sigma Lithium Corporation
  Form type: Registration Statement on Form 40-F
  File Number (if known): 001-40786
  Filed by: Sigma Lithium Corporation
  Date Filed (if filed concurrently, so indicate): September 8, 2021 (filed concurrently with Form 40-F)
D. Filer is incorporated or organized under the laws of Canada and has its principal place of business located at:

2200 HSBC Building

885 West Georgia Street

Vancouver, BC, Canada V6C 3E8

Telephone +55 11-2985-0089

E. Filer designates and appoints CT Corporation System (“Agent”) located at:



28 Liberty Street

New York, New York 10005

(212) 894-8940

  as the agent of the Filer upon whom may be served any process, pleadings, subpoenas, or other papers in:
  (a) any investigation or administrative proceeding conducted by the Securities and Exchange Commission (“Commission”); and
  (b) any civil suit or action brought against the Filer or to which the Filer has been joined as defendant or respondent, in any appropriate court in any place subject to the jurisdiction of any state or of the United States, or of any of its territories or possessions, or of the District of Columbia, where the investigation, proceeding or cause of action arises out of or relates to or concerns any offering made or purported to be made in connection with the securities registered or qualified by the Filer on Form 40-F on the date hereof, or any purchases or sales of any security in connection therewith. The Filer stipulates and agrees that any such civil suit or action or administrative proceeding may be commenced by the service of process upon, and that service of an administrative subpoena shall be effected by service upon such agent for service of process, and that service as aforesaid shall be taken and held in all courts and administrative tribunals to be valid and binding as if personal service thereof had been made.
F. The Filer stipulates and agrees to appoint a successor agent for service of process and file an amended Form F-X if the Filer discharges the Agent or the Agent is unwilling or unable to accept service on behalf of the Filer at any time until six years have elapsed from the date that the Filer has ceased reporting under the Securities Exchange Act of 1934, as amended.
  The Filer further undertakes to advise the Commission promptly of any change to the Agent’s name or address during the applicable period by amendment of this Form, referencing the file number of the relevant form in conjunction with which the amendment is being filed.
G. The Filer undertakes to make available, in person or by telephone, representatives to respond to inquiries made by the Commission staff, and to furnish promptly, when requested to do so by the Commission staff, information relating to the Form 40-F, the securities to which the Form 40-F relates and the transactions in such securities.









The Filer certifies that it has duly caused this power of attorney, consent, stipulation and agreement to be signed on its behalf by the undersigned, thereto duly authorized, in the City of Vancouver, British Columbia, Canada, this 8th day of September, 2021.


  By: /s/ Ana Cabral-Gardner
  Name: Ana Cabral-Gardner
  Title: Co-Chief Executive Officer
  Dated: September 8, 2021


This statement has been signed by the following person in the capacity and on the date indicated:


as Agent for Service of Process for Sigma Lithium Corporation
  By: /s/ Candice Pignataro
  Name: Candice Pignataro
  Title: Asst. Secretary
  Dated: September 8, 2021