Orosur Mining Inc. · TSXV:OMI

Orosur Mining — Turner Pope Webinar, July 2021

22 slides from Orosur Mining's conference presentation, Jul 14, 2021

  1. Slide 1: Turner Pope Webinar, July 14th 2021

    Turner Pope Webinar, July 14th 2021 Orosur Mining SOUTH AMERICAN EXPLORER www.orosur.ca I TSX:OMI / AIM:OMI 1

  2. Slide 2: Disclaimer

    Disclaimer This document has been issued by Orosur Mining Inc. (the “Company”). This document does not constitute or form part of any offer or invitation to sell or issue, or any solicitation of any offer to purchase or subscribe for, any securities of the Company, nor shall any part of it nor the f

  3. Slide 3: Company in Transition

    Company in Transition Today – Anzá, § Funded by Newmont and Colombia Agnico § 33,000m drilled, spectacular results § APTA confirmed as major mineralised Brazil body. § Now looking for the next APTA. Tomorrow – Ariquemes, §Brownfields tin project §Huge land holding Uruguay §LOI stage Yesterday – San

  4. Slide 4: Corporate Snapshot

    Corporate Snapshot 12 Month Share Performance Directors and Management Name Position Louis Castro Executive Director 52 week low – 3.15p (intraday 4 July 2020) Brad George Director and CEO 52 week high – 46p (intraday 16 Oct 2021) 1460% rise, trough to peak Thomas Masney Non-Executive Director Capit

  5. Slide 5: Anzá Project

    Anza Project irr «xu G Fa A T, © Ns alaalaalanalaabi july

  6. Slide 6: Tenure - Anzá

    Tenure - Anzá • Land tenure totals over 200km2 • Comprised of three granted leases and four applications • Includes one exploitation license with associated environmental permit • Tenement package covers 20km of strike of both Tonusco APTA and Aragon faults • Only worked at APTA due to access. • Pro

  7. Slide 7: Joint Venture Details - Anzá

    Joint Venture Details - Anzá • Three phase JV with Minera Monte Aguila(MMA) over 12 years to reach 75% • Monte Aguila is 50:50 Agnico:Newmont • US$30m in the ground and $4m paid to OMI • Coming to end of Year 3 – Sept 6th. MMA equity at Phase Year Qualifying Expenditure Payment to OMI end of phase 1

  8. Slide 8: Geology - local

    Geology - local • Late Miocene (5.5-10Ma) epithermal gold event • Possibly overprinted on an older VMS system. • Mineralization focused in thick structurally controlled breccia zone. • High grade zones controlled by smaller scale structures. APTA 8

  9. Slide 9: Opportunity – correct the dip

    Opportunity – correct the dip Early drilling assumed westerly dip. 9

  10. Slide 10: APTA: Drilling since November 2020

    APTA: Drilling since November 2020 • Drilling commenced November 2020 Hole No Interval (m) g/t Au g/t Ag % Zn MAP-072 4.10 6.52 29.74 0.28 • Results from 19 holes 5.90 4.55 2.74 0.30 70.50 3.53 9.33 1.62 released for this phase MAP-073 21.60 6.02 6.00 3.23 MAP-075 4.35 2.53 4.93 12.98 (MAP-072 to 09

  11. Slide 11: Geological controls

    Geological controls • Model developing – over 800m in strike, still open. • Multiple thick, high-grade shoots identified – economically key. • Recent drilling to fill in the gaps, especially between southern shoot. • Dilational Jog – more detailed structural analysis required. • Changes our approach

  12. Slide 12: No rush to resource – stick with the plan

    No rush to resource – stick with the plan • Plans were timed to match wet season and decision points. • Holes taking twice as long to assay as to drill. • Each hole costs min $50,000 • Drilling to expand APTA, but slowly - aiming for the thick, high-grade zones • Resource conversion is slow and expe

  13. Slide 13: Regional Potential

    Regional Potential Regional Potential being revealed • Most drilling focused at APTA due to ease of access. • Detailed mapping and sampling over last few Pepas months at Pupino, moving north to Pepas. La Cejita Pupino • Regional sampling and mapping over applications at Jesuitas La Cejita and Jesuit

  14. Slide 14: Regional Mapping

    Regional Mapping • Understand land ownership • Negotiate access • Difficult logistics hampered by wet season. 14

  15. Slide 15: Encouraging Results

    Encouraging Results • Untouched ground other than by occasional, local small- scale miners. • But extremely positive results • Mineralized structures being found where we expected to find them. 15

  16. Slide 16: Anzá – Moving Forward

    Anzá – Moving Forward Moving into regional phase, while still expanding APTA • APTA proven – makings of a world class field. • Agnico/Newmont exercise option to continue into year 4, starting Sept 7th? • Leave one rig at APTA to define shoots and expand mineralisation until lab turnaround improves.

  17. Slide 17: New Projects – why?

    New Projects – why? Exploring New Opportunities Rationale • Because we can - with Anzá fully funded, we have the balance sheet capacity. • Diversify – geographically, geologically and by commodity. • More news flow • Optionality • We have the ability to examine earlier stage projects that other juni

  18. Slide 18: New Projects – how?

    New Projects – how? Looking for new projects, harder than it sounds Criteria • Work within balance sheet capacity - no plans for capital raising. • No bargains, but lots of old dogs. • Don’t be trendy. • Lean toward earlier stage - least competitive and easiest to add value. • Zero entry and holding

  19. Slide 19: Ariquemes – ticks the boxes

    Ariquemes – ticks the boxes Tin Project in Brazil Ariquemes • Still at LOI stage – finalising JV but terms agreed to move to 75%. • Tin is the unloved Energy Metal, but possibly with the best fundamentals – supply side very fragile. • Price has more than doubled in 12 months. • Huge land holding in

  20. Slide 20: Key Region

    Key Region Tin Project in Brazil Ariquemes • Bom Futura one of the worlds largest tin deposits – produced over 200,000t Sn over 30 years, 300,000t from the wider region. • Found by artisinals • Locally owned – no foreign funds and little modern exploration. • Extensive database – drilling, sampling

  21. Slide 21: Summary – keep it simple

    Summary – keep it simple Company of Choice A balanced junior • Free carried on potentially world class gold project. • Strong balance sheet - $6m in bank and more coming in. • JV on huge Tin project • More JVs to come? • Dual listed • Focus on assets and results rather than promotion and spin 21

  22. Slide 22: Gracias Obrigado

    Gracias Obrigado 22

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