Sunstone Metals Annual Report 2026

Figure 4: The cluster of five porphyry gold-copper systems in the Bramaderos concessions (Brama, Alba, Melonal, Copete and Porotillo), showing the area where resource drilling in the recent drill program was undertaken at Porotillo, Copete and Melonal to grow the Bramaderos Mineral Resource. Background colour shading is gold in soils. Overview Operating Review continued The Porotillo-Copete discovery means Sunstone has now outlined a 1.8km-long cluster of porphyry goldcopper mineralised intrusions along the Melonal – Copete trend. This trend runs parallel to the Brama-Alba trend and is located only a few hundred metres to the south (see Figure 4). 9 Sunstone Metals Limited Annual Report 2026

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