Sunstone Metals Annual Report 2026

Note 18. Share-based payments continued (a) Issue of Options and Performance Rights (continued) The tables below outline the key details for all options and performance rights outstanding as at 30 June 2026: Options: Grant Date Options Outstanding1 Expiry Date Value per Option Total Value $ Exercise Price1 Share price at Grant Date1 Share Volatility Risk Free rate of return 17 October 2023 400,000 16 Oct 26 $0.132 52,800 $1.260 $0.42 85% 4.095% 6 February 2024 200,000 5 Feb 27 $0.132 26,400 $1.260 $0.33 102% 4.095% 24 October 2024 7,036,940 24 Oct 26 $0.0918 645,991 $0.225 $0.18 105% 3.973% 24 October 2025 700,002 24 Oct 28 $0.330 231,000 $0.960 $0.57 95% 3.408% 8,336,942 956,191 (1) Restated for 1:30 consolidation completed in March 2026 Weighted average remaining life: 0.5 years Performance Rights: Grant Date Rights Outstanding1 Expiry Date Value per Right Total Value $ Vesting Condition Share price at Grant Date Share Volatility Risk Free rate of return 17 Oct 2023: Tranche 1 276,669 17 Oct 26 $0.216 59,760 $2.010 $0.42 85% 4.095% 17 Oct 2023: Tranche 2 276,669 17 Oct 26 $0.363 121,000 TSR $0.42 85% 4.095% 17 Oct 2023: Tranche 3 276,669 17 Oct 26 $0.186 62,000 $2.550 $0.42 85% 4.095% 24 Oct 2024: Tranche 1 1,667,938 30 Jun 27 $0.099 165,125 $0.681 $0.18 85% 3.503% 24 Oct 2024: Tranche 2 1,667,938 30 Jun 27 $0.078 130,099 $1.023 $0.18 85% 3.503% 24 Oct 2025: Tranche 1 2,323,082 30 Jun 28 $0.471 1,094,172 $0.852 $0.54 95% 3.404% 24 Oct 2025: Tranche 2 2,323,082 30 Jun 28 $0.414 961,756 $1.281 $0.54 95% 3.404% 8,812,047 2,593,912 (1) Restated for 1:30 consolidation completed in March 2026 Weighted average remaining life: 1.5 years Notes to the Financial Statements for the year ended 30 June 2026 58 Sunstone Metals Limited Annual Report 2026

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