Sunstone Metals Annual Report 2026

Remuneration Report (Audited) continued Shareholder approval was obtained at the Annual General Meeting on 24 October 2025, for the issue of 911,466 Performance Rights with an exercise period of 3 years to Mr P Duffy on the following terms (grant to other key management personnel as per above table on the same terms and same allocation between tranches): – Tranche 1 – 50% to vest if the 60-day volume weighted average price of Sunstone Shares at 30 June 2028 is at or above $0.852 per share (restated for 1:30 consolidation completed in March 2026); – Tranche 2 – 50% to vest if the 60-day volume weighted average price of Sunstone Shares at 30 June 2028 is at or above $1.281 per share (restated for 1:30 consolidation completed in March 2026). Grant Date Rights outstanding1 Expiry Date Value per Right1 $/share Total Value $ Vesting Condition1 Share price at Grant Date1 $/share Share Volatility % Risk Free rate of return % 17 Oct 2023: Tranche 1 180,001 17 Oct 26 0.216 38,880 $2.010 0.42 85.0 4.095 17 Oct 2023: Tranche 2 180,001 17 Oct 26 0.363 65,340 TSR 0.42 85.0 4.095 17 Oct 2023: Tranche 3 180,001 17 Oct 26 0.186 33,480 $2.550 0.42 85.0 4.095 24 Oct 2024: Tranche 1 1,132,260 30 Jun 27 0.099 112,094 $0.681 0.18 85.0 3.503 24 Oct 2024: Tranche 2 1,132,260 30 Jun 27 0.078 88,316 $1.023 0.18 85.0 3.503 24 Oct 2025: Tranche 1 1,593,005 30 Jun 28 0.471 750,305 $0.852 0.57 95.0 3.404 24 Oct 2025: Tranche 2 1,593,005 30 Jun 28 0.414 659,504 $1.281 0.57 95.0 3.404 Total 5,990,533 1,747,919 Weighted average 0.292 0.409 Weighted average remaining life 1.5 years (1) Restated for 1:30 consolidation completed in March 2026 Option movements during the financial year: 2026 Beginning balance1 Granted as remuneration Options acquired1 Lapsed Exercised during the year Balance at end of the year Vested and exercisable at end of year M Norris 33,334 233,334 – – – 266,668 33,334 P Duffy 366,667 – – – – 366,667 366,667 S Stroud 266,667 233,334 – – – 500,001 266,667 N O’Connor 83,334 233,334 – – – 316,668 83,334 L Welsh 100,000 – – – – 100,000 100,000 Total 850,002 700,002 – – – 1,550,004 850,002 (1) Restated for 1:30 consolidation completed in March 2026 33 Sunstone Metals Limited Annual Report 2026

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