Sunstone Metals (STM) Q4 2026 TU earnings summary

Executive summary

• Advanced exploration at Bramaderos delivered long mineralised intersections in all 20 holes assayed, indicating strong potential for resource growth.

• Planning is underway to restart exploration at El Palmar, targeting deeper gold-copper porphyry systems.

• Updated Mineral Resource Estimates (MRE) for Bramaderos and El Palmar are expected in the second half of 2026.

Financial highlights

• Cash position at 30 June 2026 was A$1.7 million, with an additional A$9.9 million raised via share placement received in July 2026.

• Exploration expenditure for the quarter was A$2.7 million, mainly for drilling at Copete and Porotillo and completion of the Bramaderos Scoping Study.

• Corporate and other expenditure totaled A$0.4 million for the quarter.

Outlook and guidance

• Proceeds from the recent equity raising will fund ongoing exploration at Bramaderos and El Palmar, metallurgical studies, and increased ownership of El Palmar.

• Drilling at El Palmar will restart in the September quarter to test deeper targets.

• Upgraded Bramaderos Mineral Resource estimate is planned for late 2026.