Slide 1: Sunstone Metals investor presentation, 23 March 2022
For personal use only ASX STM 23 March 2022
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
Slide 3: Corporate
Corporate For personal use only Listed on the Australian Stock Exchange ASX:STM A$183M A$12M 2,210M ~39% 4.8% MARKET CASH + EQUITY SHARES ON ISSUE TOP 20 SHAREHOLDERS BOARD & CAPITALISATION INVESTMENTS As of February 2022 Hold almost half of all MANAGEMENT At share price of A$0.082 As of February 28
Slide 4: Investment Highlights
Investment Highlights For personal use only • Well funded junior, has a track record of discovery, has delivered recent discovery success across 2 projects • High quality team in Australia and Ecuador • Sunstone owns 87.5% of the Bramaderos Gold-Copper porphyry project in southern Ecuador o Recent h
Slide 5: Ecuador: Exploration and development is active
Ecuador Exploration and development is active For personal use only • President Lasso supports responsible mining • Several projects moving forward through exploration- studies-development • Responsible mining and exploration contributing significantly to FDI, taxes, employment, infrastructure, comm
Slide 6: Community, Safety and Environment
Sunstone Metals Community, Safety and Environment For personal use only Sunstone takes its environmental, social and governance issues very seriously and is committed to improving the quality of life in the areas where we work Sunstone • has significant environmental monitoring programs across it pr
Slide 7: Multiple Targets – Porphyry and epithermal gold and gold-copper
Bramaderos Project Multiple Targets – Porphyry and epithermal gold and gold-copper For personal use only 2022 Alba high grade gold-copper porphyry target – Follow- up drilling in progress, geophysics completed Brama gold-copper porphyry target – Inaugural Mineral Resource Estimate, with Alba, in 202
Slide 8: Good access via the Pan American Highway
Bramaderos Project Good access via the Pan American Highway For personal use only 8
Slide 9: Alba Target – High-grade gold and gold-copper porphyry
Bramaderos Project Alba Target – High-grade gold and gold-copper porphyry For personal use only 9
Slide 10: Alba Target – High-grade gold and gold-copper porphyry
Bramaderos Project Alba Target – High-grade gold and gold-copper porphyry For personal use only Drill Hole EOH (m) From (m) To (m) Interval (m) Au (g/t) Cu (%) Mo (ppm) Ag (g/t) BMDD007 543.17 55.70 237.40 181.70 0.43 0.10 3.0 1.0 55.70 107.50 51.80 0.47 0.11 6.0 1.4 BMDD012 452.32 93.00 353.40 260.
Slide 11: Alba Target – High-grade gold, visible gold, and gold-copper porphyry
Bramaderos Project Alba Target – High-grade gold, visible gold, and gold-copper porphyry For personal use only 11
Slide 12: Alba Target – geophysics maps system to >1,000m
Bramaderos Project Alba Target – geophysics maps system to >1,000m For personal use only • We are adding significant scale to the high grade gold-copper porphyry assays drilled in the upper 350m • Geophysics maps the system to >1,000m vertical extent, from surface • We are drill testing this now 12
Slide 13: Multiple Targets – Porphyry and epithermal gold and gold-copper
Bramaderos Project Multiple Targets – Porphyry and epithermal gold and gold-copper For personal use only • A new phase of electrical geophysical surveys just completed • Alba completed and has generated drill targets for testing starting immediately • Limon completed and will be followed up with dri
Slide 14: Multiple Targets – Significant Upside
Bramaderos Project Multiple Targets – Significant Upside For personal use only • Bramaderos contains a cluster of mineralised systems • Previous exploration results are very significant LIMON - Outcropping gold-copper porphyry and high-sulphidation epithermal 97.6m at 0.71g/t gold and 0.23% copper i
Slide 15: El Palmar Project
El Palmar Project Within a mineralised belt in northern Ecuador For personal use only • Highly prospective belt of rocks related to the Toachi Fault Zone • Together with orthogonal structural control delivers target zones for porphyry mineralisation • To date includes the 2.7Bt Alpala copper-gold po
Slide 16: El Palmar Project: Initial drill hole assays deliver a significant discovery
El Palmar Project Initial drill hole assays deliver a significant discovery For personal use only Drill Hole From (m) To (m) Interval (m) Au (g/t) Cu (%) Mo (ppm) Ag (g/t) EPDD001 11.30 492.15 480.85 0.41 0.15 3.40 0.74 incl 52.35 215.90 163.55 0.71 0.20 1.39 1.14 incl 66.90 96.80 29.90 0.73 0.20 0.
Slide 17: El Palmar Project: What do the discovery results mean?
El Palmar Project What do the discovery results mean? For personal use only Mineralisation from surface Very significant vertical extent from magnetic modelling Copper-gold-silver- 500m magnetic susceptibility all correlate – guides initial exploration Hints to expect higher copper values elsewhere
Slide 18: El Palmar: Drilling progressing well, scale and potential will become evident
El Palmar Drilling progressing well, scale and potential will become evident For personal use only El Palmar – main Alpala, Cascabel target; drill holes and (SolGold) – vertical slice through x-section of bornite magnetic model and chalcopyrite- 500m pyrite ratio; and Upper 500m of sub- showing CuEq
Slide 19: El Palmar Project: Additional targets being defined
El Palmar Project Additional targets being defined and prepared for drilling in 2022 For personal use only • Soil sampling is ongoing • In total - 2.5km long cluster of porphyry targets identified to date • Plus several epithermal targets • Reconnaissance mapping and sampling also underway Gold in r
Slide 20: What's ahead in 2022
Sunstone Metals What’s ahead in 2022 For personal use only ✓ 2022 – Demonstrate very large upside to both El Palmar and Alba discoveries ✓ Bramaderos • two drilling rigs at Alba, third to be added in early April (borrowed from El Palmar for focused 2-month drilling program) • deep penetrating electr
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