Annual Report 2023

Overview Operating Review continued Table 2 - Exploration Target Exploration Target Min. Tonnage (Mt) Max. Tonnage (Mt) Metal Content Min. AuEq (Mozs) Metal Content Max. AuEq (Mozs) Brama-Alba (excluding MRE areas) 70 100 0.79 2.57 Melonal 150 200 1.93 4.50 Limon 35 60 0.56 1.54 TOTAL 255 360 3.3 8.6 Exploration Target Min. Tonnage (Mt) Max. Tonnage (Mt) Min. Grade Au (g/t) Min. Grade Cu (%) Min. Grade AuEq (g/t) Brama-Alba (excluding MRE areas) 70 100 0.2 0.1 0.35 Melonal 150 200 0.25 0.1 0.4 Limon 35 60 0.33 0.1 0.5 TOTAL 255 360 0.40 Exploration Target Min. Tonnage (Mt) Max. Tonnage (Mt) Max. Grade Au (g/t) Max. Grade Cu (%) Max. Grade AuEq (g/t) Brama-Alba (excluding MRE areas) 70 100 0.6 0.12 0.8 Melonal 150 200 0.5 0.12 0.7 Limon 35 60 0.6 0.12 0.8 TOTAL 255 360 0.74 - Due to the effect of rounding, the total may not represent the sum of all components 16 Sunstone Metals Limited Annual Report 2023

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