 INVESTOR VIDEO CONFERENCE CALL April 11, 2022 at 11 AM EST Zoom video call link below: Zoom meeting ID: 899 8003 0030Access Code: 001021 Join by phone using the following dial in: North America: 1 646 558 8656, UK: 44 203 481 5237, Brazil: 55 11 4680 6788 VANCOUVER, BC, April 6, 2022 PRNewswire -- SIGMA Lithium Corporation Sigma Lithium or the Company NASDAQ: SGML TSXV: SGML dedicated to powering the next generation of electric vehicles with environmentally sustainable and high-purity lithium, announces that it has rescheduled its fourth quarter financial results conference call for 11:00 a.m. EST on April 11, 2022, where the Companys senior management team will give prepared remarks followed by a question-and-answer session. 