SGMA Sigma Lithium Corporation

Sigma Lithium Resources Corporation ("Sigma") (TSX-V: SGMA), announces the granting of stock options and restricted share units (“RSUs”) to certain officers, directors, key employees and key service providers.

A total of 374,000 options were granted, as follows: 174,000 to Mr. Guilherme Guimarães (Chief Financial Officer); 50,000 to Mr.Carmelo Marrelli (Senior accountant); 50,000 to Mrs. Jo-Anne Archibald (Corporate Secretary), 50,000 to Mr. Gregory Lear (Senior Geologist) and 50,000 to Mr. Maksim Pogorelov (Senior Geologist). The exercise price for each of these options is C$ 2.23 per share. The options granted to Mr. Guimarães, Mr. Marrelli and Ms. Archibald vest in five equal annual instalments. The options granted to Mr. Pogorelov and to Mr. Lear vest in two equal annual instalments. A total of 350,000 RSU’s were granted as follows: 100,000 to Mr. Guilherme Guimaraes (Chief Financial Officer), 200,000 to Mrs. Fernanda Fenga (Senior Legal Advisor), 50,000 to Mrs. Ana Cabral (Director of Business Development).

The RSU’s granted to Mr. Guimaraes and to Mrs. Cabral vest in three years on June 18th 2021. The RSUs granted to Mrs. Fenga vest in one year on 18th june 2019 (as they were awarded “in lieu” of cash compensation).

For additional information please contact:

Sigma Lithium Resources Corporation / www.sigmalithiumresources.com

Ana CabralDirector of Business Development and Investor Relations 55 11 2985-0089ana.cabral@sigmaca.com