Sunstone Metals Online Annual Report 2025

Note 19. Related party transactions and Key Management Personnel Controlling entities The ultimate parent entity in the wholly-owned Group is Sunstone Metals Limited. Interests in subsidiaries are disclosed in Note 23. Key Management Personnel compensation 2025 $ 2024 $ Short-term employee benefits 1,570,795 1,408,440 Cash bonus – 287,200 Post employment benefits 155,848 137,879 Long-term benefits 47,574 58,303 Termination benefits – 292,552 Share based payments 246,053 281,195 Total Key Management Personnel compensation 2,020,270 2,465,569 There were no other related party transactions during the financial year (2024: Nil) Note 20. Capital and other commitments Commitments on tenements 2025 $ 2024 $ Not later than 12 months 334,576 663,944 Between 12 months and 5 years 3,467,822 3,816,653 Total commitments 3,802,398 4,480,597 Exploration tenement fees are required to keep licenses in good standing. The Group is committed to this expenditure on the current tenements. In order to maintain current rights to tenure of its mineral tenement leases, the Group will be required to pay exploration tenement/claim fees to the government in Ecuador in addition to prove reasonable exploration activities have been undertaken. These obligations may be varied from time to time, or subject to approval, and are expected to be fulfilled in the normal course of operations of the Group. At 30 June 2025, Sunstone held 74.5% of the highly prospective El Palmar copper-gold porphyry project in Ecuador. Under an Amended Staged Acquisition Agreement signed in June 2024, Sunstone can increase ownership to 100% with a final payment of US$1,700,000 due by 1 July 2026. Note 21. Financial instruments and financial risk management The Group’s activities expose it to a variety of financial risks including credit risk, liquidity risk, interest rate risk and foreign currency risk. The Group’s overall risk management program focuses on the unpredictability of financial markets and seeks to minimise potential adverse effects on the financial performance of the Group. Risk management is carried out by the Board of Directors under policies approved by the Board. The Board identifies and evaluates financial risks and provides written principles for overall risk management. 61 Sunstone Metals Limited Annual Report 2025

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