Sigma Lithium Announces Reelection of Board of Directors with over 96% Votes at Its Annual Shareholder Meeting, Supporting Its Growth Strategy in Minas Gerais

Shareholders elected and/or re-elected all director nominees at the Company's 2026 Annual Shareholders Meeting by a significant landslide majority of over 96% of the votes. Ana Cabral, CEO and Co-Chairperson, was re-elected with 97.4% of the votes. Shareholders demonstrated confidence in the ability of the Board and senior management to steer the Company to execute its growth strategy for the next 12 months, including the conclusion of the construction of its second factory, enabling the industrialization of 520,000tpy of lithium oxide concentrate. That expansion, once implemented by the Company, will benefit a total of 120,000 people in the Vale do Jequitinhonha region in the state of Minas Gerais. Sigma Lithium currently employs 1,100 people directly (over 80% in Vale do Jequitinhonha) and supports an additional 15,000 local employment positions, benefitting a total of 64,000 people. Phase 2 is expected to create 950 additional direct jobs (100% in Vale do Jequitinhonha) as well as 13,000 indirect jobs (100% in Vale do Jequitinhonha), benefitting a total of 56,000 people. Strong shareholder support backed the decision by the Board and management to "upgrade and primarize" Mine 1, with a self-funded capex investment plan that will continue to be executed throughout 2026. Shareholders also reinforced their confidence in the commitment of Sigma Lithium's Board and senior management to operational excellence (1,100 days without accidents with lost time), adherence to strong corporate governance, and strict compliance with all applicable laws and regulations. Sigma Lithium Corporation (NASDAQ: SGML) (TSXV: SGML) (BVMF: S2GM34) ("Sigma Lithium" or the "Company"), the largest producer of lithium oxide concentrate in the Americas and dedicated to industrializing socially and environmentally sustainable lithium materials to supply global producers of batteries for energy security, announces the results of its 2026 Annual Meeting of Shareholders ("AGM"), held on June 30, 2026. 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 elected directors of Sigma Lithium's Board of Directors ("Board") will hold office until the next annual meeting of shareholders on June 30, 2027, or until their successors are duly elected or appointed. The voting results were as follows: Nominee Votes For % For Votes Against % Against 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% Total 349,841,491 96.25% 13,634,421 3.75% Shareholders also voted 99.93% in favor of fixing the number of directors at five and approved the election of all five director nominees proposed in the Company's management information circular and the appointment of Grant Thornton LLP as the Company's auditor for the ensuing year, with 99.95% of the votes cast in favor. The strong support demonstrated by shareholders at the AGM, with all director nominees elected or re-elected by a substantial majority, reflects continued confidence in Sigma Lithium's Board, management team and long-term strategy. The outcome provides a strong mandate, as the Company advances the execution of its expansion, which is expected to increase annual production capacity to 520,000 tonnes of lithium concentrate. Sigma Lithium's management remains firmly committed to disciplined operational execution, the highest standards of corporate governance, and strict compliance with all applicable laws and regulations. Sigma Lithium Corporation (NASDAQ: SGML) (TSXV: SGML) (BVMF: S2GM34), ("Sigma Lithium" or "the Company") is the largest prod...