Overview Porotillo and Copete During FY2026, the Company commenced drilling the Porotillo and Copete deposits to the south of Brama-Alba-Melonal, with a total of 25 holes drilled from February 2026 to June 2026 for 4,776m of drilling. The program delivered consistently long mineralised intersections (as noted in Figure 3 below), with notable intersections at Porotillo including: – PTDD001: 200m @ 0.42 g/t AuEq2 – PTDD004: 116m @ 0.57 g/t AuEq2 – PTDD006: 200m @ 0.62 g/t AuEq2 – PTDD009: 298m @ 0.40 g/t AuEq2 – PTDD012: 213m @ 0.53 g/t AuEq2 – PTDD017: 106m @ 0.62 g/t AuEq2 – PTDD018: 137m @ 0.58 g/t AuEq2 The Porotillo discovery covers an area of approximately 550m x 240m. The recent drilling results from Porotillo, Copete and Melonal will be included in an expected update to the Mineral Resource Estimate, due to be released in second quarter of FY2026. Operating Review continued Figure 3: Drill holes and trenching results from exploration program at Porotillo and Copete conducted to 30 June 2026. 8 Sunstone Metals Limited Annual Report 2026
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