Orosur Mining Inc. · TSXV:OMI
Orosur Mining — Investor Presentation (October 2025)
19 slides from Orosur Mining's investor presentation, October 2025
Slide 1: Investor Presentation
Investor Presentation Discover, Define, Develop LON:OMI TSX.V:OMI October 2025
Slide 2: Forward Looking Statements and Disclosures
Forward Looking Statements and Disclosures Disclaimer Qualified Person's Statement 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 The information in this presentation or issue, or any solicitation
Slide 3: Corporate Snapshot
Corporate Snapshot 385m Shares 17.9m Options/RSU/DSU 22.3m Warrants US$17m Cash (14th Oct 2025) Board of Directors Key Management Louis Castro: Executive Chairman Joaquin Sarroca: VP Commercial and Legal Brad George: CEO Liliana Munoz: Colombia Manager Thomas Masney: Non-Executive Director Jeronimo
Slide 4: Gold Price !!!!
Gold Price !!!! We can’t predict But we must react Changes the game 4
Slide 5: Company Overview
COMPANY OVERVIEW DISCOVER, DEFINE, DEVELOP A dual listed precious and battery metals exploration company with portfolio of high-quality advanced assets, in three of the world’s most promising gold/lithium areas The test of exploration is the probability of discovering and developing an economic oper
Slide 6: Investment Thesis
Investment Thesis • Well funded • Large land holdings in key, endowed regions – right assets at the right time. • The right deals – 100% ownership or path thereto • Multiple prospects at different stages – resource through to grass roots • High grade Pepas prospect offers potential for nearer term,
Slide 7: Key Projects
Key Projects Anzá - Colombia • 330km2 of licences and applications in Mid-Cauca Belt • 100% owned. • Pepas prospect moving to resource • APTA prospect well advanced • El Cedro porphyry being defined, but undrilled El Pantano – Argentina • 550km2 in Deseado Massif • 51% owned, but near-term pathway t
Slide 8: Anza Project, Colombia
Anza Project, Colombia 330km2 in prolific middle Cauca belt Three Key Prospects One of largest land holders in Colombia’s main gold belt EL APTA PEPAS CEDRO • All on the same granted license • 100% ownership 38,000m of drilling 5,000m drilled, defining Gold Porphyry system defined, since Dec 2024 Cl
Slide 9: Anza Project, Colombia
Anza Project, Colombia Returned to 100% ownership in Dec 2024 PEPAS APTA Immediate success at Pepas EL CEDRO APTA on the brink of MRE El Cedro untouched 9
Slide 10: Pepas – High Grade from Surface
Pepas – High Grade from Surface Intermediate sulphidation epithermal system Porphyry association Truncated by post-mineralisation faulting. Small part of a bigger system? Drilling focussed on moving core to MRE – little broader exploration yet Will expand exploration footprint post MRE 10
Slide 11: Pepas – Moving Fast
Pepas – Moving Fast 55 holes drilled post transaction - c5000m Why? Pepas is unusual, what it is, where it is, when it is! • High grade Resource consultants on site end Oct to start MRE process • High gold price • At surface • Low strip • Power to site Metallurgical drilling begun • Close to main –
Slide 12: APTA – Final Mile
APTA – Final Mile 38,000m of drilling New geological model developed Drilling soon to confirm model and possibly move to MRE in 2026 12
Slide 13: APTA – Test New Theory
APTA – Test New Theory 2011 – 2012 1 New geological model 2017 – 2018 3 MAP074 MAP038 4 2020 – 2021 40.5m@ 14.09 gr/t Au; 2 5 7.8m@ 1.34 gr/t Au; Section 1 Inc 2.80m@ 3.22 gr/t Au; 9 Inc 6.50m@ 70.99 gr/t Au; 10 Inc 3.40m@ 9.71 gr/t Au; 7 9 2 13.60m@ 0.91 gr/t Au; MAP064 8 6 MAP021 10 7.0m@ 3.45 gr/
Slide 14: El Cedro – Gold Porphyry
El Cedro – Gold Porphyry Large gold porphyry system – barely touched Soil sampling just Soil sampling showing over 1g/t Au completed – high in soils. grade gold at surface Classic porphyry zonation Plan to drill in early 2026 Need secondary enrichment 14
Slide 15: Anzá – Tentative Timeline
Anzá – Tentative Timeline* Application conversion? Infill drilling El Cedro Sampling Pepas MRE and Pepas – Pepas permitting started completed 43-101 report concept studies starts? Q3 Q4 Q1 Q2 Q3 2025 2025 2026 2026 2026 Pepas Aeromag APTA MRE? El Cedro Metallurgy El Cedro drilling? Drilling starts D
Slide 16: El Pantano - Argentina
El Pantano - Argentina Large land holding – 550km2 in Deseado Massif Earned 51% Current drill program will move us close to 100% Optionality 16
Slide 17: El Pantano – First Drilling
El Pantano – First Drilling Rift related, low-sulphidation model First drilling program is purely geological Multiple phases likely to be required. Cerro Negro was a blind discovery under a barren silica cap by the third company to work the project 17
Slide 18: El Pantano Timeline
El Pantano Timeline All permits and Drilling Camp Drilling scheduled 3000m should take land access contract construction to commence ~70 days. Complete agreements in signed begins mid Oct last week Oct late Jan with place Christmas break Targeting structures Objective to Fertility of Fast assay iden
Slide 19: Thank You
Thank You LON:OMI TSX.V:OMI Tel: +1 778-373-0100 | info@orosur.ca | www.orosur.ca