Hillgrove Resources Limited · ASX:HGO

Hillgrove Resources — Emerging Copper Stars Conference 2025

13 slides from Hillgrove Resources's conference presentation, Oct 15, 2025

1. Slide 1: Emerging Copper Stars Presentation

   15 October 2025 EMERGING COPPER STARS PRESENTATION Hillgrove Resources Ltd (the “Company” or “Hillgrove”) is pleased to enclose a copy of the presentation delivered by Mr Bob Fulker, Managing Director & CEO, at the Emerging Copper Stars Conference hosted by MST Access and NRW on Wednesday 15 October

2. Slide 2: An Australian Copper Producer

   An Australian Copper Producer EMERGING COPPER SUPERSTARS Investor Presentation October 2025 Bob Fulker Managing Director & Chief Executive Officer

3. Slide 3: Important Notice and Disclaimer

   Important Notice and Disclaimer Disclaimer To the maximum extent permitted by law, neither Hillgrove nor its related corporations, directors, officers, employees or agents, nor any other person, accepts any liability, including, without limitation, any liability arising from fault or negligence, for

4. Slide 4: Corporate Snapshot

   Corporate Snapshot Flagship Kanmantoo mine is scalable and community backed Market Statistics Major Shareholders Share price1 $0.04 Freepoint Metals & Concentrates 15.1% Shares on issue1 3,268M Ariadne Australia 8.12% Market capitalisation $124M Board & Management Debt Nil Cash2 $11M Derek Carter Ch

5. Slide 5: Delivering and Growing the Business

   Delivering and Growing the Business Building blocks to consistent positive cash flow CY25 Guidance1 Near term production growth - Nugent Material Scale Up Opportunities  11-11.5kt Cu in concentrate  1.7-1.8Mtpa run rate H1 2026  Utilise 3.6Mtpa plant capacity  US$4.20-4.45/lb payable sold all-in

6. Slide 6: Kanmantoo Mine (100%)

   Kanmantoo Mine (100%) Operating underground mine 60km from Adelaide, SA  Copper Gold Resource and Reserve o Mineral Resource (2024) – 19.3Mt containing 150kt Cu & 82koz Au1 o Ore Reserve (2024) – 2.8Mt containing 26kt Cu & 14koz Au1 o Upgrade expected Q4 2025  Latent capacity allows material produ

7. Slide 7: Significant near mine growth opportunities

   Significant near mine growth opportunities Growth opportunities underpinned by 60,000 metres of drilling planned in 20251  Nugent development fast tracked o Target ~0.3-0.4Mtpa extra feed o Stoping commenced at Nugent to boost production  Extension drilling underway at Nugent and Emily Star  Mult

8. Slide 8: Outstanding Results at Emily Star

   Outstanding Results at Emily Star Mineralisation at Emily Star to complement Nugent and Kavanagh production  Emily Star results confirm geological model 1: o 6.3m @ 1.76% Cu + 0.12g/t Au from 425.15m (25KVUG0699) o 19.1m @ 1.91% Cu + 0.15g/t Au from 500m (25KVUG0699) o 5.7m @ 2.12% Cu + 0.36g/t Au

9. Slide 9: Emily Star Development

   Emily Star Development Third mining front providing milling optionality Multi-staged approach to best manage development capital  Stage 1: Establish drill platforms from the Nugent 1010 drill site for resource definition drilling  Stage 2: Develop Emily Star decline and ventilation infrastructure

10. Slide 10: The Hillgrove Value Proposition

    The Hillgrove Value Proposition Well funded to deliver near mine targets to drive production growth and lower unit operating costs Cu Strategy Tier 1 Jurisdiction Robust Resources Cash Generating Operation Latent Capacity for Growth Near Mine Exploration Upside Potential Experienced Board and Manage

11. Slide 11: Thank you

    Thank you 10

12. Slide 12: Appendix - Kanmantoo Mineral Resource

    Appendix - Kanmantoo Mineral Resource Tonnage Cu Au Ag Bi Cu Metal Au Metal Mine Area JORC Classification (kt) (%) (g/t) (g/t) (ppm) (kt) (koz) Notes: 1. Due to effects of rounding, total numbers may not sum. Measured 3,200 0.94 0.04 2.9 190 30 4 2. Tonnage and metal are rounded to the nearest 1,000

13. Slide 13: Appendix - Kanmantoo Ore Reserve

    Appendix - Kanmantoo Ore Reserve Tonnes Cu Cu Metal Au Metal Mine Area JORC Classification Au (ppm) Ag (ppm) Bi (ppm) (kt) (%) (kt) (koz) Proved 1,100 1.01 0.04 2.82 220 12 1 Kavanagh Probable 1,000 0.88 0.15 2.7 140 9 5 Proved + Probable Kavanagh Total 2,100 0.95 0.09 2.76 180 21 6 Proved - - - - -

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