SIGMA LITHIUM CORPORATION
Voting Results of the Annual and Special Meeting of Shareholders of Sigma Lithium Corporation held virtually on June 30, 2026 at 11.00 a.m. (Toronto Time)
In accordance with Section 11.3 of National Instrument 51-102 – Continuous Disclosure Obligations (“NI 51-102”) Sigma Lithium Corporation (the “Company”) hereby advises that a total of 81,553,499 of the Company’s issued and outstanding common shares (“Common Shares”), representing 72.77% of the outstanding Common Shares, were voted at the Meeting in person and by proxy. The results of the voting obtained at the Meeting are as set out below.
| 1. | Fix the Number of Directors at Five (5) |
The number of directors of the Company was fixed at five, as approved by the shareholders as follows:
| Votes For | Votes Against | ||
| Shares | Percent | Shares | Percent |
| 81,498,307 | 99.93% | 55,191 | 0.07% |
| 2. | Election of Directors |
Ana Cristina Cabral, Marcelo Paiva, Junaid Jafar, Alexandre Rodrigues Cabral, and Kátia Abreu (the “Nominees") were nominated as directors for the ensuing year or until their successors are elected or appointed. Each of the Nominees were elected as directors of the Company to hold office until the next annual meeting of shareholders of the Company or until their successors are elected or appointed:
| Name of Nominee | Votes For | Votes Against | ||
| Shares | Percent | Shares | Percent | |
| Ana Cristina Cabral | 70,813,243 | 97.41% | 1,881,939 | 2.59% |
| Marcelo Paiva | 61,045,632 | 83.97% | 11,649,548 | 16.03% |
| Junaid Jafar | 72,651,186 | 99.94% | 43,997 | 0.06% |
| Alexandre Rodrigues Cabral | 72,655,030 | 99.94% | 40,153 | 0.06% |
| Kátia Abreu | 72,676,400 | 99.97% | 18,784 | 0.03% |
| 3. | Appointment of Auditors |
Grant Thornton Auditores Independentes Ltda. were appointed as auditors of the Company for the ensuing year, approved by the shareholders as follows:
| Votes For | Votes Withheld | ||
| Shares | Percent | Shares | Percent |
| 81,511,689 | 99.95% | 41,810 | 0.05% |
Trusting the whole is to your satisfaction, we remain, yours faithfully,
SIGMA LITHIUM CORPORATION
“Ana Cristina Cabral”
_____________________________________
Ana Cristina Cabral
Chief Executive Officer
“Felipe Peres”
_____________________________________
Felipe Peres
Chief Financial Officer
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