Sunstone Metals Ltd · ASX:STM

Sunstone Metals — Noosa Mining Conference 2022

21 slides from Sunstone Metals's conference presentation, Jul 21, 2022

  1. Slide 1: Sunstone Metals July 2022

    For personal use only STM July 2022

  2. Slide 2: Disclaimer

    Disclaimer For personal use only DISCLAIMER FORWARD-LOOKING STATEMENTS To the maximum extent permitted by law, no representation, warranty or This Presentation includes certain statements that may be deemed “forward- undertaking, express or implied, is made and, to the maximum extent permitted looki

  3. Slide 3: Sunstone Snapshot

    Sunstone Snapshot For personal use only Ecuador focussed, gold-copper explorer ASX - STM Market Capitalisation 1 A$123.6 mill Cash + Equity Investments A$25.7 mill Shares on Issue 2,574 million Top 20 Shareholding 36% Institutional and Family Office Shareholding 27.6% Board and Management Shareholdi

  4. Slide 4: Investment Opportunity

    Investment Opportunity For personal use only • Simple proposition – discovery adds STM share price A$ significant shareholder value • The Sunstone team has a track record of Initial Brama-Alba Weak Global Markets porphyry discovery discovery • Strong share price growth linked to recent Initial El Pa

  5. Slide 5: The Team

    The Team For personal use only • A high quality team in Ecuador and Australia • 45 full time Ecuadorian employees, pool of 200 local workers • In Ecuador we have corporate, social, environmental, safety, technical exploration, logistics, and administration • A small corporate team in Australia 5

  6. Slide 6: Ecuador: Support for responsible mining

    Ecuador For personal use only • Support for responsible mining • Responsible mining and exploration contributing significantly to FDI, taxes, employment, infrastructure, communities, environmental studies and management • Investment Protection Agreements signed on several projects Two Large Modern O

  7. Slide 7: ESG considered across the business

    ESG considered across the business For personal use only Sunstone takes its environmental, social and governance issues very seriously and is committed to improving its social performance in the areas where we work Sunstone • has significant environmental monitoring programs across it projects • is

  8. Slide 8: Bramaderos, Southern Ecuador

    Bramaderos, Southern Ecuador For personal use only • Location, location, location • 4,984ha concession • Adjacent to the Pan American Highway • At ~900m asl • Multiple targets within the concession all easily accessible • The project is supported by good infrastructure (hydroelectric power, regional

  9. Slide 9: Brama-Alba – large with higher grade zones

    Brama-Alba – large with higher grade zones For personal use only • Large porphyry system, with higher grade domains • Mineralisation from surface • Getting larger with ongoing exploration • Initial Mineral Resource Estimate by end 2022 9

  10. Slide 10: Brama-Alba – grade long section

    Brama-Alba – grade long section For personal use only • Higher grade pods close to surface • Open in most directions • Compare to some recent discoveries; Boda (Alkane), Tandayama-America (SolGold); and to existing deposits; Cadia (Newcrest), Boddington (Newmont) • These are large tonnage deposits w

  11. Slide 11: Brama-Alba; and Melonal and Playas targets

    Brama-Alba; and Melonal and Playas targets For personal use only • Melonal and Playas are mineralised - very limited historical drilling at Melonal (2 holes), and surface soil and rock chip sampling at Playas (no drilling) 11

  12. Slide 12: Bramaderos epithermal and porphyry opportunities

    Bramaderos For personal use only EPITHERMAL PORPHYRY OPPORTUNITIES OPPORTUNITIES LIMON - Outcropping gold-copper porphyry and high- sulphidation epithermal WEST ZONE – 97.6m at 0.71g/t gold and 0.23% copper in trench Outcropping gold Sunstone drilling (4 holes) in 2019-20 delivered 13.3m at epitherm

  13. Slide 13: El Palmar, northern Ecuador

    El Palmar, northern Ecuador For personal use only • Highly prospective belt of rocks related to the Toachi Fault Zone • To date includes the >2.7Bt Alpala copper-gold porphyry deposit at Cascabel, the >0.53Bt Tandayama-America copper-gold porphyry deposit at Cascabel, and the >1Bt Llurimagua copper-

  14. Slide 14: El Palmar; main target

    El Palmar; main target For personal use only • Mineralisation from surface • Gold-copper porphyry system with wide intervals (>400m) at >0.4g/t gold and 0.15% copper, and including intervals of 100m – 170m of >0.7g/t gold and 0.2% copper (see ASX announcements 25th May 2022 and 7th October 2021) • V

  15. Slide 15: El Palmar; multiple targets

    El Palmar; multiple targets For personal use only • Soil sampling and geological mapping is ongoing • In total - 2.5km long cluster of porphyry targets identified to date • Plus several epithermal targets 15

  16. Slide 16: El Palmar; multiple targets

    El Palmar; multiple targets For personal use only El Palmar – main target; drill holes and vertical slice through original magnetic model – upper 500m high confidence Upper 500m of plunging magnetic body is a well mineralised gold-copper porphyry deposit; and is currently interpreted to plunge to th

  17. Slide 17: El Palmar; multiple targets

    El Palmar; multiple targets For personal use only • NE satellite target • ‘upper porphyry’ type signatures in surface geochemistry • Detailed magnetics suggests porphyry source may be deeper • Integrate both for drill target definition • Drill testing is planned for 2022 Current El Palmar drilling N

  18. Slide 18: Verde Chico

    Verde Chico For personal use only • Outcropping high grade gold in trenches and broad lower grade gold intervals in historical drilling • No modern exploration. Last work carried out in 1998 • Next steps include preparation and signing of full Staged Acquisition Agreement (and associated side agreem

  19. Slide 19: What's ahead

    What’s ahead For personal use only ✓ 2022 – Demonstrate very large upside to both El Palmar and Brama-Alba discoveries ✓ Bramaderos • Brama-Alba drilling ongoing for initial Mineral Resource Estimate in late 2022 • Deliver additional discoveries through: • Drilling compelling geophysical target at L

  20. Slide 20: For personal use only

    For personal use only CALL EMAIL WEB ASX:STM +61 7 3368 9888 info@sunstonemetals.com.au sunstonemetals.com.au

  21. Slide 21: Competent Persons Statement

    Competent Persons Statement For personal use only The information in this report that relates to exploration results and exploration targets and results is based upon information reviewed by Dr. Bruce Rohrlach who is a member of the Australasian Institute of Mining and Metallurgy. Dr. Rohrlach is a

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