Annual Report 2023

Overview Figure 2: Limon epithermal gold-silver system in plan showing multiple mineralised structures in green. High grade domains are at intersections of NE and WNW trending structures. Several additional targets have been defined based on gold-in soil and zinc-in-soil anomalies, and structural interpretation. Limon The Limon target area is located 2.7km north-east of the Brama-Alba gold-copper deposit. Drilling at Limon during the year resulted in the discovery of high-grade gold-silver with mineralisation extending from surface to depth, and remains open. Outstanding assays received highlight the potential for a significant increase in the overall size and grade of the Mineral Resource estimate at the Bramaderos project. The Limon Epithermal Target is a high-grade system with mineralisation extending from surface to at least 250m deep and is open to the east, west, at depth and potentially to the north if the system plunges in that direction. The initial discovery hole LMDD017 intersected 176.7m at 1.1g/t AuEq from 6.8m. Hole LMDD026 eclipsed that with 185m at 2.85g/t AuEq, including 31m at 12.93g/t AuEq and demonstrates the huge potential for the Limon epithermal system (Refer to ASX Announcements dated 29 March 2023 and 3 July 2023). Operating Review continued 7 Sunstone Metals Limited Annual Report 2023

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