Altamira Gold Corp · TSXV:ALTA
Altamira Gold — Investor Presentation (September 2026)
31 slides from Altamira Gold's investor presentation, Sep 21, 2026
Slide 1: Evolving Porphyry Gold District In Brazil
TSXV: ALTA | OTC: EQTRF Evolving Porphyry Gold District In Brazil Corporate Presentation September 2026 A l t a m i r a g o l d . c o m
Slide 2: Disclaimer
Disclaimer Certain statements contained in this presentation constitute forward-looking statements. These statements relate to future events or the Corporation's future performance, business prospects or opportunities. All statements other than statements of historical fact may be forward-looking st
Slide 3: Why Altamira Gold?
Why Altamira Gold? District-scale Opportunity 2 Million* Ounces and Expanding 90,000-hectare Cajueiro Porphyry Gold District. Two Cajueiro Central and Maria Bonita sit 7km apart on the deposits defined. Nine drill-ready targets untested. same land package. Both remain open, with drilling actively un
Slide 4: Leadership Team
THE ALTAMIRA GOLD TEAM Leadership Team Michael Alan Soraia Ian Tavi Pieter Jon Dr. Richard Bennett Carter, PhD Morais Talbot Costa Le Roux Coates Sillitoe President, CEO Chairman CFO Director Director Director Consultant Technical Advisor Exploration & Director Advisor Geologist with over 35 30 year
Slide 5: Corporate Snapshot
Corporate Snapshot 7% 296,491,386 Shares Outstanding 15% Crescat Capital 17,375,000 Aura Minerals Options Insiders 60% 18% Public Float 26,532,500 Warrants 340,398,886 Pr Fully Diluted C$1.25M 10.3M C$88,9M Invested by Shares owned management thus far by CEO Market Cap* at average of C$0.10 *As at S
Slide 6: Location & Historical Context
São Manoel Location & Historical CAJUEIRO AP Teles Pires MT Context Brazil Apiacás Paranaíta Altamira’s projects in APIACÁS Alta Floresta belt Alta Floresta Carlinda Project Base • 25 years of historic placer gold BR-163 production from Alta Floresta Belt (1980-2005) Jaca Porphyry Cu discovery • Alt
Slide 7: An Emerging Province
An Emerging N CAJUEIRO Province Apiacás • Alta Floresta Belt (tightly held 400 x 150km) Paranaíta • Altamira holds 4 separate project areas (>90,000ha) in the most prolific former alluvial APIACÁS Alta Floresta BR-163 gold production centres Carlinda • Very few hard-rock sources were traced and deve
Slide 8: Infrastructure
Infrastructure MARIA BONITA Proximity to Regional Centre CAJUEIRO A 1.5 hour drive from Alta Floresta (fast growing city, population +50k) A Air access CAJUEIRO o a lo Regional airport with scheduled flights to Sao Paulo MT 214 LEGEND Highway Infrastructure Airport Hydroelectric Plant Excellent netw
Slide 9: Cajueiro District: Growth Potential
N Cajueiro District: Growth Potential Cajueiro Project Maria Bonita Mombaque Tavares Norte 2 Morro Verde Guillermo Mineral Resources: Cajueiro Central | Maria Bonita 7 km Separation by road Novo Sonho Espirro Serafim 4 Partially drilled targets with scope for further expansion Cajueiro Central Soil
Slide 10: Maria Bonita Deposit
Maria Bonita Deposit A l t a m i r a g o l d . c o m ALTA | EQTRF 10
Slide 11: Maria Bonita Updated Mineral Resource
Maria Bonita Updated Mineral Resource Large footprint Significant resource growth original soil anomaly 800m x 800m, no outcrop and no prior mining +150% Inferred and +12% Indicated oz activity. 76% of soil samples >100ppb Au Low strip ratio Not found by artisanal miners 0.4:1 waste-to-mineralized m
Slide 12: Maria Bonita Mineral Resource
Maria Bonita Mineral Resource Favourable higher grade “core” zone within the global mineral resource Gold grade distribution related to successive phases of porphyry emplacement Higher grade Carried by early porphyry pulses Low strip ratio Higher grade zone subcrops e.g. MBA001 50m @ 1g/t Au, MBA002
Slide 13: Gold Grade in Context
Gold Grade in Context AurMac: 0.68 g/t (Indicated) Comparable Grade Analysis Development-stage IRGS peer — the most comparable pre- PEA deposit. High-grade core at 0.55 g/t COG grades 1.00 g/t, showing a Maria Bonita-style high-grade internal domain. AurMac Banyan Gold 0.68 Maria Bonita: 0.43 g/t (I
Slide 14: Maria Bonita Mineral Resource
Maria Bonita Mineral Resource Multiple Mineralized Porphyry Phases DEPOSIT ARCHITECTURE EAST VS. WEST ZONE CHARACTERISTICS Characteristic MBA – East MBA – West Both Maria Bonita East and West porphyry bodies are mineralized, with gold hosted in quartz veins and Pyrite content Pyrite-poor Pyrite-rich
Slide 15: Maria Bonita Mineral Resource
Maria Bonita Mineral Resource New porphyry phase open to the west MBA-042 and MBA-043 confirm a new mineralized early porphyry phase at Western Sector Drill Results Maria Bonita West, initially intersected in MBA-036. Maria Bonita East and West are spatially separated by a fault zone occupied by lat
Slide 16: Maria Bonita Mineral Resource
Maria Bonita Mineral Resource New porphyry phase open to the west Surface access recently secured across 58 Newly km² west of Maria Bonita, opening a large, accessible under-explored area where only 5 km² has been systematically sampled. area Novo Sonho hosts a 3 km-long gold-in-soil anomaly within
Slide 17: Cajueiro Central Deposit
Cajueiro Central Deposit A l t a m i r a g o l d . c o m
Slide 18: Cajueiro Central Resource
Cajueiro Central Resource Historic placer gold production Favorable Metallurgy during the 1980-1990’s. One of largest placer camps Gold recoveries of 94-96% from gravity and cyanide in Alta Floresta Belt leach testwork. Further work in progress Large untested land package Significant Upside 24,372ha
Slide 19: Cajueiro Central Resource
Cajueiro Central Resource Lateral and deeper potential CJO-0117 2.3 m @ 6.10 g/t Au from 34 m Recent drilling confirms mineralization continuity along strike and at depth Gold mineralization remains open beyond the current resource envelope CJO-0106 4 m@ 4.76 g/t Multiple opportunities identified fo
Slide 20: Regional Targets
Regional Targets A l t a m i r a g o l d . c o m
Slide 21: Novo Sonho Target
Novo Sonho Target Large-scale gold anomaly in a Newly mineralized corridor accessible area • Recent surface access to previously defined soil anomaly at Novo Sonho • 3 km west-southwest of Maria Bonita within a 15 km east–west mineralized corridor. • 3 km-long gold-in-soil anomaly associated with an
Slide 22: Tavares Norte Target
Tavares Norte Target Second gold mineralized porphyry body demonstrated by scout drilling • Initial drilling 5.5 km east of Maria Bonita confirms a second mineralized porphyry system, geologically and geochemically similar to Maria Bonita. • Hole TVN002 returned 18.6m @ 0.4 g/t Au from 36m and 20m @
Slide 23: Guillermo Target
Guillermo Target New high grade gold discovery along the Cajueiro trend 9m @ 0.4 g/t Au from 49.2m • 2km from Cajueiro Central on 8km mineralized corridor • Trenching returned 35m @ 0.5 g/t Au (April 2025), confirming broad near-surface mineralization • First drill hole delivers high-grade intercept
Slide 24: Next Steps: Cajueiro
Next Steps: Cajueiro Maria Bonita Resource Cajueiro Central Resource Cajueiro District ✓Drilling to expand current Mineral • Metallurgical testwork on bulk oxide • Scout drilling of 5 prioritized Resources samples untested targets within district • Bulk sampling of near surface oxide • Drilling to e
Slide 25: Investment Highlights
Investment Highlights Excellent Strong Mineral potential for Good mining Resource additional Solid metallurgy geometry growth discoveries Continuous, from opportunity High gold Portfolio of drill-ready surface recoveries with no 2 Mineral Resources porphyry-related drill mineralization with deleteri
Slide 26: Appendix
Appendix A l t a m i r a g o l d . c o m
Slide 27: Cajueiro Central: Trial Mining Possibility
Cajueiro Legend Central: Trial Targets Limit of Mineral Resource Mining 860224/2009 866070/2004 866160/2007 Possibility 866464/2017 State Li mit Baldo Location of Baldo and Matrincha resource areas within the Cajueiro Central Mineral Resource • Environmental licence approved covering the Baldo Matri
Slide 28: Positive Metallurgical Characterisation
Positive Metallurgical Characterisation The Gold in Both Mineral Resources is Free-Milling 1 Agitated Leach 2 Column leach Completed for both Completed for Cyanide Oxygen Preg- Mineral Resources Maria Bonita Consuming Consuming Robbing High (~90%) Au recovery to • Drill coarse residues used for 30-4
Slide 29: Maria Bonita Mineral Resource
Maria Bonita Mineral Resource New porphyry phase open to the west MBA - West MBA - East Tuff - Country rock MBA-039: 117.0 m @ 0.4 g/t Au MBA-041: 10.6 m @ 0.2 g/t Au MBA-037: MBA-040: 122.0 m @ 0.5 g/t Au 40.1 m @ 0.1 g/t Au MBA-038: 74.0 m @ 0.3 g/t Au MBA-042: 200.4 m @ 0.3 g/t Au Maria Bonita We
Slide 30: Maria Bonita – Mineralized Porphyry
Maria Bonita – Mineralized Porphyry Unidirectional Solidification “A Type” Sheeted Stockworked Textures (UST) in quartz porphyry veining veining Porphyry MBA002 | Depth 34m MBA029 | Depth 85m MBA022 | Depth 24m MBA029 | Depth 55.5m MBA003 | Depth 30m • Gold is present in various pulses of igneous ro
Slide 31: Michael Bennett
T S XV : A LTA OTC: EQTRF Michael Bennett President & CEO info@altamiragold.com Phone: +1 604 676 5661 Suite 1500–409 Granville Street, Vancouver BC Canada V6C 1T2 A l t a m i r a g o l d . c o m
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