Holds approximately 27 mineral rights, which includes mining concessions, applications for mining concessions, exploration authorizations and applications for mineral exploration authorizations in four properties spread over 191 kilometers and contains nine past-producing lithium mines.

Sigma overview Preparing for phase one production in 2022

Strong backing by institutions and offtakers, 80kt Mitsui offtake, $30m equity capex secured, debt portion outstanding.

Large scale production of high-quality lithium concentrate in a low cost and ESG compliant manner with the aim of being net zero by 2023

Grota do Cirilo Project Wholly owned by Sigma, it is the largest lithium hardrock deposit in the Americas with three close large ore bodies. It is near a river and a hydropower plant, which covers it water and electricity needs and enables net zero potential.

Two initial deposits – Phase 1 is called Xuxa and phase 2 is Barreiro.

Phase 2 expansion could see NPV to double to US$844 million from US$395 million.

Easy access to the major roads and ports and therefore global battery markets in Asia, Europe and North America.

Competitive costs of US$360/t CIF to China, initial 13 year mine life with cumulative EBITDA of US$1bn.

Signification further exploration potential to extend mine life. Sigma has developed a 20,000 meters target for the diamond drilling program, which is in line with Company's mineral resources exploration program for the Q12022