Rockfire Resources Plc · LSE:ROCK

Rockfire Resources — Investor Presentation (October 2025)

24 slides from Rockfire Resources's investor presentation, Oct 22, 2025

  1. Slide 1: Rockfire Resources plc Corporate Presentation

    Securing a European critical raw material supply for generations to come ROCKFIRE Resources plc Corporate Presentation October 2025 (AIM:ROCK) 0

  2. Slide 2: Disclaimer

    Disclaimer Disclaimer The information contained in this document (“Presentation”) and the presentation made to you verbally has been prepared by Rockfire Resources plc (the “Company”). Rockfire Resources plc is a UK incorporated company quoted on AIM, a market operated by London Stock Exchange plc.

  3. Slide 3: Corporate Snapshot

    Corporate Snapshot Board of Directors: Significant Shareholders as at 20 October 2025 * Directors and Management of ROCK Shareholder No of Ordinary Shares % Gordon Hart – Chairman ACAM 1,000,000,000 16.03 TMP International 312,000,000 5.00 David Price – CEO and MD The Wonderful Group 308,000,000 4.9

  4. Slide 4: Critical Raw Materials In Greece

    Critical Raw Materials In Greece Bulgaria North Macedonia Albania Türkiye Athens MOLAOI zinc, silver, germanium 3

  5. Slide 5: Greece – A critical mineral pillar in Europe

    Greece – A critical mineral “pillar” in Europe • A First-World, highly-educated and safe democratic nation • Hosts one of the largest, undeveloped critical raw material deposits in Europe • A Mining Law tested and proven by active underground and open cut mines • Positioned at the centre of the Cont

  6. Slide 6: Underpinned by more than 50 years of exploration

    Underpinned by more than 50 years of exploration Rockfire is building on the outstanding work done by the Greek Government through IGME in the 1970’s, 1980’s and 1990’s. • 194 diamond drill holes • 33,878m of diamond core • 4 resource estimate upgrades • 4 rounds of metallurgy • 2 feasibility studie

  7. Slide 7: JORC Resources at Molaoi

    JORC Resources at Molaoi 15.0 million tonnes @ 4.5 – 6.0 million tonnes @ 7.26 % Zn, 1.75 % Pb, 39.5 g/t Ag + 17.0 - 25.0 g/t Ge Inferred JORC (2012) Target Inferred Germanium Resource Zn - 1.09 million tonnes of zinc Gallium is elevated up to 45g/t Ga in core samples. All future drilling Ag - 19.1

  8. Slide 8: Map of the global germanium supply

    Map of the global germanium supply Red Dog, USA Ambler, USA North Rakla, Canada Andrew, Canada Macmillan Pass, Canada Prophecy, Canada Kildare & Ballywire, Ireland Bleiberg, Austria China controls Middle Tennessee, USA Molaoi, Greece around 85% of the world’s supply of germanium Kipushi, DRC Otavi,

  9. Slide 9: Upside potential for multiples of the known resources

    Upside potential for multiples of the known resources PLAN VIEW N target of 20 – 30 million tonnes of zinc extension 7km Zinc rocks mapped at surface Drill hole Licence outline An initial ecological study is required current Inferred Resource prior to any drilling 15 million tonnes @ 9.96% ZnEq. act

  10. Slide 10: Representative cross section 4077500 looking north

    Representative cross section 4077500 looking north 23 lodes identified, 18 lodes modelled 87% of zinc occurs in 4 main lodes 600m Each colour is an 300m individual zinc lode. 9

  11. Slide 11: Representative long section 665400E looking west

    Representative long section 665400E looking west 23 lodes identified, 18 lodes modelled 87% of zinc occurs in 4 main lodes 2,000m 400m Each colour is an individual zinc lode. 10

  12. Slide 12: Future Mining and Processing considerations

    Future Mining and Processing considerations Mining • Underground (cut and fill) – minimize surface footprint Concentrate grades: • Over-break mining dilution of 25% modelled 57 % Zn • Lode widths allow for use of mechanized equipment 856 g/t Ag Processing • On-site - crush/grind/flotation 63.6 % Pb

  13. Slide 13: A choice of zinc smelters throughout Europe

    A choice of zinc smelters throughout Europe Zinc smelter 6 1. Asturiana de Zinc FINLAND NORWAY 2. Auby 5 SWEDEN 3. Balen/Pelt 4. Nordenham 5. Odda ** 6. Kokkola UNITED 7. Zakłady Górniczo-Hutnicze KINGDOM 4 POLAND 8. Portovesme ** 3 GERMANY 7 9. KCM 2 10. Kardjali ** FRANCE 1 ROMANIA ITALY Germanium

  14. Slide 14: All about Germanium

    All about GERMANIUM Rockfire Element 32 13

  15. Slide 15: The global GERMANIUM shortage

    The global GERMANIUM shortage Rockfire Chinese germanium exports have fallen by more than 90% China controls 83% of the global supply of germanium https://www.globsec.org/what-we-do/press- releases/globsec-china-export-ban Germanium has risen from US$1,000/kg to over US$5,500/kg (currently US$5.8m p

  16. Slide 16: Electronics

    Electronics Rockfire Silicon-germanium electronic chips produce… • smaller electronic chips • less electronic noise interference from the chip itself • chips that are more energy efficient • germanium extends the life of batteries • stable signal over a wider range of temperatures • chips superior a

  17. Slide 17: The Artificial Intelligence (AI) race for global dominance

    The Artificial Intelligence (AI) race for global dominance Rockfire Germanium’s high electron mobility makes it essential for high- performance transistors in AI hardware. Germanium’s use in fiber-optic cables is critical for the high-speed data transmission that AI systems rely on. 16

  18. Slide 18: Recycled Plastics

    Recycled Plastics Rockfire • Germanium is a catalyst in the production of recycled polyethylene terephthalate (PETE) plastic. Used in… • bottles • food packaging • condiment jars • frozen food packaging • cosmetics • plastics for the storage of chemicals & household cleaners Rockfire

  19. Slide 19: Advanced Driver Assistance Systems (ADAS)

    Advanced Driver Assistance Systems (ADAS) Rockfire • Forward-looking infrared (FLIR) devices form images by sensing the thermal contrast between objects and background. • Integrated into all modern vehicles for essential safety features, including: o parking assistance o blind spot detection (BSD) o

  20. Slide 20: Photovoltaic (PV) applications

    Photovoltaic (PV) applications Rockfire • Germanium-based solar cells convert up to twice as much light into electricity as silicon cells. • Germanium is more resistant to cosmic radiation damage, resulting in an extended life for a solar cell by up to 20 years. 19

  21. Slide 21: Safety and security

    Safety and security Rockfire

  22. Slide 22: Medical

    Medical Rockfire • detectors for gamma and X rays • crystals of bismuth-germanium oxide are used in positron emission tomography (PET) scanners. Rockfire 21

  23. Slide 23: Military & warfare

    Military & warfare Rockfire • Long-range weapon-sighting applications • infrared heat-seeking missile guidance • Infrared night vision goggles and binoculars • surveillance cameras • high-performance avionics for cockpit vision systems and targeting • global positioning systems (GPS) Rockfire 22

  24. Slide 24: ROCKFIRE Resources plc

    ROCKFIRE Resources plc Molaoi, Peloponnese, GREECE Eastcastle House 27 – 28 Eastcastle Street London, W1W 8DH United Kingdom info@rockfire.co.uk www.rockfireresources.com 23

Rockfire Resources — Investor Presentation (October 2025) on 6ix