Sigma Lithium Corp.

INVESTOR VIDEO CONFERENCE CALL September 8, 2021 at 11:00 AM Zoom video call registration link: Zoom ID: 865 1276 0999 Join by phone using the following dial in: North America: +1 646 558 8656, UK: +44 203 481 5237, Brazil: +55 11 4680 6788 SUMMARY Sigma Lithium to join NASDAQ Company to present at United Nations High-Level Dialogue for Energy 2021 Transition Conference on Sept. 24 in New York Company on target to begin [...]

Sigma Lithium Corp. reports that, further to its news release dated June 2, 2021, announcing the release of its preliminary economic analysis on Phase 2 of its high grade project in Brazil it has filed the supporting technical report titled "Grota do Cirilo Lithium Project Ara?ua? and Itinga Regions, Minas Gerais, Brazil, Phase 2 Update of the NI 43-101 National Instrument Technical Report on Feasibility Study" . The PEA [...]

Sigma Lithium Resources Corp. is pleased to announce the voting results from its Annual and Special Meeting of Shareholders held on June 29, 2021 hosted online by way of a live webcast, as detailed on the Management Information Circular of the Company dated May 28, 2021 available at www.sedar.com and the Company's website at www.sigmalithium.ca. A total of 66,294,574 of Sigma's issued and outstanding common shares [...]

HIGHLIGHTS Sigma bulk earthworks for Phase 1 construction initiated. Video at the following "Link" Minas Gerais Governor Romeu Zema visits Sigma's Grota do Cirilo project site to mark the occasion. Sigma engages Brazilian construction and engineering firm Promon for Phase 1 of the Grota do Cirilo Project Sigma to donate 150 hectares of forest land to create state park, part of its carbon "in-setting" initiatives to [...]

PHASE 2 PRODUCTION HIGHLIGHTS Project's near-term production capacity of battery grade high-purity green lithium will be potentially doubled: Production is planned to increase from 220,000 tpa planned for 2022 in Phase 1, to 440,000 tpa , within approximately one year. Phase 2 production has a projected life of mine of approximately 13 years: vertically integrated to Sigma's second deposit, Barreiro with 20.5 Mt of [...]

Sigma Lithium Resources Corp. has filed its audited consolidated financial and operating results and management's discussion and analysis for the year ended December 31, 2020. The MD&A includes a comprehensive technical and corporate update to April 30, 2020. The financial statements and MD&A are available at on SEDAR and at the Company corporate website at the following links:

Sigma Lithium Resources Corp. is pleased to announce that it has closed its previously announced upsized non-brokered private placement of common shares and has issued 9,545,455 common shares at a price of C$4.40 per share for gross proceeds of C$42.0 million. The Offering book was oversubscribed and comprised primarily of the current shareholders of the Company: global ESG-oriented institutional investors focused on the [...]

Sigma Lithium Resources Corp. is pleased to announce that, owing to strong global institutional investor interest, it has increased the size of its previously announced non-brokered private placement of common shares by 40%. The Company now intends to issue up to 9,545,455 common shares at a 10% higher offering price of C$4.40 per share (compared with C$4.00 per share previously announced) for gross proceeds of up to [...]

Sigma Lithium Resources Corp. is pleased to announce that it intends to complete a non-brokered private placement of up to 7,500,000 common shares of the Company to be issued at a price of C$4.00 per Common Share for aggregate gross proceeds of up to C$30 million. Institutional investors, including leading global investors focused on ESG & sustainability, are expected to comprise the majority of the investors in the [...]

Excellent lithium recoveries of 70% and 66% achieved in HLS gravity separation tests for coarse ore particles of sizes 6.3mm and 10mm, respectively Results support adding a second low-capex DMS production line of 220,000tpy to double planned capacity without the operational complexity and higher capex of a flotation plant, thus allowing Sigma to continue to process its lithium ore in a "green" environmentally friendly and [...]