SCHEDULE 13G/A 0000950157-23-000519 0001977615 XXXXXXXX LIVE 1 Common Shares, no par value 09/30/2024 0001848309 Sigma Lithium Corporation 826599102 181, Bay Street, Suite 4400 Ontario A3 M5J 2T3 Rule 13d-1(c) Fitpart Fund Administration Services Ltd. C5 0.00 8650264.00 0.00 8650264.00 8650264.00 N 7.9 IA Sigma Lithium Corporation 181, Bay Street, Suite 4400, Toronto, Ontario, M5J 2T3, Canada Fitpart Fund Administration Services Ltd. Fitpart Fund Administration Services Ltd. The Bahamas Financial Centre, 4th Floor Shirley & Charlotte Streets P.O. Box CB-13515 Nassau, The Bahamas Fitpart Fund Administration Services Ltd. - Bahamas Y Fitpart Fund Administration Services Ltd.- 8,650,264 Fitpart Fund Administration Services Ltd. - 7.9% Fitpart Fund Administration Services Ltd. - 0 Fitpart Fund Administration Services Ltd. - 8,650,264 Fitpart Fund Administration Services Ltd. - 0 Fitpart Fund Administration Services Ltd. - 8,650,264 Y N All of the securities reported in this Schedule 13G are directly owned by advisory clients of Fitpart Fund Administration Services Ltd. None of those advisory clients may be deemed to beneficially own more than 5% of the Common Shares, no par value. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Fitpart Fund Administration Services Ltd. By: /s/ Fernando Antonio Botelho Prado 08/13/2025 * Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. To the extent that "ownership of 5 percent or less of a class" was indicated in Item 5, such response only applies to the Reporting Person(s) that indicated elsewhere herein that it beneficially owns five percent (5%) or less of the class.