Slide 1: CEO commentary on Grota do Cirilo
Ana Cabral-Gardner, Co-Chairperson and CEO commented: “We are delighted to announce that Grota do Cirilo became the world’s 4th largest operating industrial pre-chemical lithium beneficiation complex by mineral resource scale, transforming Sigma Lithium into one of the largest operating integrated p
Slide 2: Upgrade of mineral resources to reserves
The results of the 2023 drill campaign helped prove the interconnectivity of the Phase 3 and 4 NDC-Murial mineral resources and its subordinated mineralized pegmatites, which had been only partially delineated in previous drilling campaigns (mainly focused on the anchor ore body of NDC). In the 2023
Slide 3: Figure 4: The NDC-Murial strike extends 3.2 kilometer North-South
Figure 4: The NDC-Murial strike extends 3.2 kilometer North-South.
Slide 4: Drilling confirms Murial and new NDC remain open
Drilling confirms that the Murial pegmatite (as well as the new NDC) remain open at depth, to the west and to the east, leaving room for resource expansion over time. The Company’s 2024 drill campaign will include step-out drilling to help prove a link between NDC and Murial and build resource densi
Slide 5: Barreiro Extension target zone
BARREIRO EXTENSION TARGET ZONE IS A CONTINUATION OF THE “J-SHAPED” LITHIUM CORRIDOR The Company is also focusing the current 2024 drill campaign on demonstrating that the Barreiro mine extends westwards (“Barreiro Extension”), in a continuation of the existing “J-shaped” lithium corridor. Additional
Slide 6: The Barreiro Extension
The Barreiro Extension site is located just west of Barreiro (Phase 2) and represents a continuation of the spodumene mineralization corridor that moves up through Murial. Two additional spodumene outcrops discovered between Barreiro and its Extension inform geology of a target area for further expl
Slide 7: Resource tonnage and lithium grading by cutoff grade
Resource tonnage (million mt) us 110 105 100 95 90 85 80 0.0% =Tonnage ===mLithium Grading 01% 0.2% 0.3% 04% 05% 0.6% Cutoff Grade 07% 08% 09% 10% 1.75% 1.65% 1.55% 1.45% 1.35% 1.25% Lithium Oxide Grading
Slide 8: Murial deposit and 2023 drill highlights
The newly optimized Phase 3 strategy would leave the Murial deposit (330 meters north of the enlarged Phase 3), to be mined through its own pit. At 16.1Mt of total estimated mineral resource at 1.26% Li 2 O, and opportunities to expand this number over time, Murial can support this individual pit st
Slide 9: Grota do Cirilo mineral resource expected to increase to 150Mt
GROTA DO CIRILO MINERAL RESOURCE EXPECTED TO FURTHER INCREASE TO 150Mt The Company is currently operating a total of 8 core diamond drills in its leaseholds. Exploration initiatives will continue into 2024 with drill work targeting additional structures between NDC and Murial as well as resource exp
Slide 10: Additional 57 targets and current mineral resource
0.3 % Indicated 49.1 1.39 0.3 % Inferred 14.6 1.37 0.3 % Indicated 7.2 1.49 0.3 % Inferred 3.8 1.58 DRILLING OF ADDITIONAL 57 TARGETS LOCATED AT MINING RIGTHS OUTSIDE GROTA DO CIRILO Sigma Lithium is conducting exploration RC drilling, trench work and sampling, in 57 mineralized pegmatites (out of t