Slide 1: Valeriano Copper-Gold Project Site Visit
VALERIANO COPPER-GOLD PROJECT Site Visit April 8, 2026 TSXV: ATX | OTCQB: ATXRF
Slide 2: Cautionary Statements
Cautionary Statements LEGAL DISCLAIMER FORWARD-LOOKING STATEMENTS AND INFORMATION The information contained in this presentation and other information furnished by or on behalf of ATEX Resources Inc. (“ATEX”) is confidential and has This presentation may contain statements that constitute “forward-l
Slide 3: Geology Focused Team with Integrated Sustainability Expertise
Geology Focused Team with Integrated Sustainability Expertise VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 3
Slide 4: Agenda and Speakers
Agenda and Speakers 1. Safety briefing Chris Beer Elijah Tyshynski Interim CEO CFO and Corporate Secretary 2. Valeriano history Pablo Morelli Fabian Figueroa, Senior Director, Director, Exploration 3. Exploration and geology Exploration 4. Infrastructure and operations Dr. Felipe Hernan Machado P. R
Slide 5: Safety Briefing
Safety Briefing VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 5
Slide 6: Work in Sample Storage Areas
Work in Sample Storage Areas Main Risks • Prolonged exposure to the sun • Slips, trips, and falls at the same level Safety Measures • Use personal protective equipment (helmet, safety footwear, sunscreen, and appropriate clothing) • Keep walkways clear and clean • Pay attention to uneven surfaces •
Slide 7: Vehicles Transport
Vehicles Transport Main Risks • Traffic accidents due to narrow, uneven, or winding roads • Slips or falls when getting on or off the vehicle Safety Measures • Always wear a seatbelt • Remain seated throughout the entire journey • Get on and off the vehicle carefully, using available handholds • Fol
Slide 8: Altitude Awareness
Altitude Awareness • Remember you are not acclimatized: high risk even for short exposure • Before arrival: hydrate well, sleep adequately, avoid alcohol • Eat light meals: avoid heavy exertion on arrival • Move slowly: no running, avoid sudden physical effort • Recognize early symptoms: headache, n
Slide 9: Final Instructions
Final Instructions • Safety is everyone’s responsibility • Always follow safety procedures • Report unsafe conditions and immediately inform the ATEX team of any health issues “YOUR FAMILY IS WAITING FOR YOU AT HOME” VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX
Slide 10: Site Visit Itinerary
Site Visit Itinerary VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 10
Slide 11: Valeriano Site Visit Itinerary
Valeriano Site Visit Itinerary Caserones VICUÑA DISTRICT • 6:00 am – Departure from Hotel Orígenes, two buses Los Helados HUASCO NUEVAUNIÓN Lunahuasi • 8:30 am – km8 arrival, snacks, and health check VALLENAR Jose Maria Filo del Sol Relincho Cerro • 11:00 am – Valeriano core yard, drill rigs, Nuevo
Slide 12: Arriving at Valeriano
Arriving at Valeriano Facing SSE Facing NW Camp Nuevo Horizonte Core Logging ATXD25 Platform (5 Daughter Holes) 3,800m Level ATXD25 Platform (5 Daughter Holes) Core Logging Everything you will see today ties directly into how we are systematically expanding the system VALERIANO COPPER-GOLD PROJECT:
Slide 13: ATEX Strategy – Simple, Repeatable, Scalable
ATEX Strategy – Simple, Repeatable, Scalable Advancing Valeriano through systematic definition and expansion while evaluating broader district potential through exploration and consolidation 1. Define geological limits of the Valeriano district-scale porphyry system (~2 Bt of ~0.8% CuEq)1 2. Further
Slide 14: The History of Valeriano
The History of Valeriano “From geological curiosity in 2021 to a world class porphyry system” VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 14
Slide 15: A Chilean Explorer Advancing a World Class Deposit
A Chilean Explorer Advancing a World Class Deposit 1986: SCM Valleno obtains property • 100% interest in Valeriano achieved in December 2024 Historical Pre-ATEX 1989-91: Phelps Dodge - 27 RC and diamond drill holes • Board and management has a strong track record of (6,400m); max depth of ~500m cont
Slide 16: Valeriano is Just Getting Started
Valeriano is Just Getting Started Four phases of porphyry drilling at Valeriano, totaling ~45,000m in 33 drill holes, and just getting started … 2022 2022-23 2023-24 2024-25 2025-26 Phase II Phase III Phase IV Phase V Phase VI (~3,900m in (~12,500m in (~12,200m in (~16,550m in (+30,000m 3 holes) 8 h
Slide 17: From Discovery to Repeatable Exploration Success
From Discovery to Repeatable Exploration Success $4.40 High New land, porphyry targets B2B 186m of 2.15% CuEq 56m of 2.36% B2B Phase VI CuEq 30m of 887m of 4.4% CuEq 1.06% CuEq Phase V 1,342m of B2B 1,160m of 0.73% CuEq B2B discovery 0.75% CuEq 164m of 68m of 2.02% CuEq 2.77% CuEq B2B 550m of Phase
Slide 18: 2025 MRE of 34 Blbs of CuEq Metal and Open for Growth
2025 MRE of 34 Blbs of CuEq Metal and Open for Growth Total 2025 Mineral Resource Tonnes Cu Au Ag Mo CuEq Long Section Facing EAST Indicated 0.48 Bt 0.58 % 0.25 g/t 1.39 g/t 70.4 g/t 0.88% Inferred 1.51 Bt 0.50 % 0.20 g/t 1.16 g/t 70.6 g/t 0.75% B2B Zone Target 0.3% Cu Grade-Shell (Inferred) B2B +50
Slide 19: District Consolidation Underway
District Consolidation Underway 25,000 ha land package 14,550 ha surface rights Multiple porphyry style targets VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 19
Slide 20: Agnico Eagle is Our Largest Investor
Agnico Eagle is Our Largest Investor • Investment in ATEX was focused on the geological upside of the Valeriano system • Agnico is focused on low-risk, high-quality jurisdictions with interests in ATEX and Collective Sean Boyd, Chairman, “We were familiar with the Mining in South America deposit and
Slide 21: Exploration Strategy
Exploration Strategy VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 21
Slide 22: Exploration – Defining and Expanding a District-Scale System
Exploration – Defining and Expanding a District-Scale System Define limits of Valeriano porphyry system and evaluate additional district targets 1. Extend the high-grade porphyry trend (currently defined over 1 km strike length) 2. Define structural controls for high-grade in the vicinity of the B2B
Slide 23: Exploration
Exploration VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 23
Slide 24: Valeriano & Comparable World Class Porphyry Clusters
Valeriano & Comparable World Class Porphyry Clusters • Miocene belt stretching Maricunga belt, El Indio belt and emerging “Link” belt • Large, long-lived magmatic centers produced multiple intrusions, strong structural corridors localize mineralization Vicuña District • The Maricunga Belt an example
Slide 25: Lithology and Mineralization (Modeled after 2025 MRE)
Lithology and Mineralization (Modeled after 2025 MRE) Cross-Section - Lithology Cross-Section - Mineralization Oxide Pyrite Late Porphyry Chalcocite Rock-milled > Covellite Breccia Pyrite > Chalcopyrite Chalcopyrite B2B > Pyrite Zone Rhyolite Chalcopyrite Porphyry > Bornite 0 600m Looking NW Looking
Slide 26: Valeriano Resembles a Textbook Porphyry Model
Valeriano Resembles a Textbook Porphyry Model Valeriano Cross-Section – Alteration Sillitoe Model Quartz pyrophyllite + quartz alunite NUEVO HORIZONTE E Sericitic NUEVO HORIZONTE W VALERIANO Green Sericite Phase VI Potassic Alteration Potassic Porphyritic 0 600m Looking NW Intrusion Porphyry copper-
Slide 27: High-Grade Mineralization Close to Surface
High-Grade Mineralization Close to Surface • Mineralization starts 150m below EL ENCIERRO VALERIANO valley floor 4,400 masl Potential Decline Access • B2B zone starts 400m below valley floor and rising to 3,800m 3,650m Top of mineralization surface OPEN 3,425m • System limits are OPEN Top of B2B unk
Slide 28: Valeriano – A History of Continuous Exploration Success
Valeriano – A History of Continuous Exploration Success Phase II – Porphyry System Expansion • Step-out drilling expanded porphyry mineralization NE–SW • Defined ~850 × 800 m mineralized footprint, open in all directions Phase III – Porphyry Western Growth • Identified second high-grade porphyry tre
Slide 29: Phase VI – Expanding the Porphyry and Breccia Footprint
Phase VI – Expanding the Porphyry and Breccia Footprint 1. Extend high-grade B2B breccia along strike, up and down-dip and laterally 2. Evaluate B2B elevation targets (geophysical) as highlighted in recent ATXD34 drilling 3. Extend high-grade porphyry trend 4. Evaluate and extend main north-south st
Slide 30: Stepping Out Across B2B Zone and Broader Elevation Corridor
Stepping Out Across B2B Zone and Broader Elevation Corridor 30,000 25,000 METRES Initial Phase VI Target Metres DATE VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 30
Slide 31: Phase VI – High-Grade Breccia and Porphyry Continuity
Phase VI – High-Grade Breccia and Porphyry Continuity • Six diamond rigs operating • 25,000m completed ahead of schedule, increased program to +30,000m Hole results summary 1. 25C – infill hole, high-grade B2B intervals 2. 26B – extended B2B Zone ~100m down dip 3. 32 – extended B2B HG core ~100m nor
Slide 32: Phase VI – High Grade Core Underscores Optionality
Phase VI – High Grade Core Underscores Optionality ATXD26B High-Grade Infill and Extension ATXD32 Confirming that B2B High-Grade is open to the North 1,130 – 1,132m 6.22% CuEq 1,240 – 1,242m 3.74% Cu 4.18% CuEq 2.24 ppm Au 6.22% CuEq 2.43% Cu 1.59 ppm Au 4.18% CuEq 1,132 – 1,134m 3.68% CuEq 2.51% Cu
Slide 33: Phase VI – Potential Targets in Multiple Directions
Phase VI – Potential Targets in Multiple Directions A A’ Hybrid Block Modelling Highlights Displayed blocks represent un-drilled areas Potentially Analogous Zones A • Integrated geophysics: MAG + MT +ANT MAG + MT +ANT - Drilled Area MAG + MT +ANT Ground magnetics (MAG) + magneto- Minus Drilled Are
Slide 34: Exploration Opportunities (Leapfrog Video)
Exploration Opportunities (Leapfrog Video) VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 34
Slide 35: ATXD34 Significantly Expands Mineralization Along B2B Horizon
ATXD34 Significantly Expands Mineralization Along B2B Horizon VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 35
Slide 36: Phase VI – Geological Model and Copper-Gold Surface Targets
Phase VI – Geological Model and Copper-Gold Surface Targets • Mineralization controlled by NE–N–S structural • Coherent and continuous surface gold anomalies trends, guiding section orientation and interpretation defined across the system • Projection of early- and inter-mineral porphyries and • Pot
Slide 37: Phase VI – Evaluate Surface to Depth HG Relationships
Phase VI – Evaluate Surface to Depth HG Relationships VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 37
Slide 38: Phase VII – Integrating the Geological Model
Phase VII – Integrating the Geological Model Geological model interpretation Geological surface map interpretation Incorporating recent drilling and geology VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 38
Slide 39: Phase VII – Preliminary Drilling Areas and Target Concepts
Phase VII – Preliminary Drilling Areas and Target Concepts Shallow potential Au content MAG + MT +ANT Minus Drilled Area Confirm and extend NE high-grade Cu corridors B2B High-grade copper zone (B2B) - geometry and potential extension Exploration related to potentially favorable zones identified thr
Slide 40: Applying Valeriano Learnings Across District
MULTI USE WATER RIGHTS Applying Valeriano Learnings Across District Hyperspectral Imagery Showing Clay-Alteration • Nuevo Horizonte East shows similarities in the alteration assemblages and footprint CODELCO size similar to Valeriano • Nuevo Horizonte West showing a signature like El Encierro, which
Slide 41: Nuevo Horizonte East and Valeriano
Nuevo Horizonte East and Valeriano Hyperspectral signatures of Nuevo Horizonte suggestive of Valeriano-style systems 6km NH East NH East Valeriano Valeriano 600m ATXD25 Platform ATXD25 Platform Nuevo Horizonte East & Valeriano Hyperspectral Clay Alteration Facing South Facing South VALERIANO COPPER-
Slide 42: Nuevo Horizonte West
Nuevo Horizonte West Hyperspectral signatures at Nuevo Horizonte West consistent with those observed at Valeriano Historical drilling indicative of shallow mineralization, scratching a Cu-Au Porphyry system NH West NH West Nuevo Horizonte West Hyperspectral Clay Alteration Facing West Facing West VA
Slide 43: Mineral Resources
Mineral Resources VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 43
Slide 44: 2025 MRE Drilling vs. Phase VI Drilling
2025 MRE Drilling vs. Phase VI Drilling Updated MRE Target for Q4 2027 Facing NE Facing NNE B2B • Extended downdip in ATX26B and with high-grade infill • High-grade extended to N in ATXD32 • ATXD34 extends B2B to E and is open ATXD34 Porphyry ATXD25C • High-grade porphyry confirmed below Rock-milled
Slide 45: Technical Studies
Technical Studies VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 45
Slide 46: Technical De-risking with Leading Industry Experts
Technical De-risking with Leading Industry Experts Respected Professionals • Geological model review – Richard Sillitoe Interested in Valeriano Independent validation of geological interpretation and system potential • Geotechnical and mining review – Jarek Jakubec (SRK Consulting) Ongoing asses
Slide 47: Advancing Geotechnical Understanding for Future Operations
Advancing Geotechnical Understanding for Future Operations • Completed geotechnical and laboratory testwork (Rocktest, Calama, September 2024) Comprehensive rock mechanics program completed (UCS, triaxial, density, velocity), supporting early-stage characterization Understand rock strength and h
Slide 48: Two-Phase Metallurgical Results Confirm High Cu-Au Recoveries
Two-Phase Metallurgical Results Confirm High Cu-Au Recoveries • Robust Copper and Gold Recoveries – Total copper and gold recoveries ranging from 4,500 LONG SECTION - Facing 060 (NE) 92% to 95% and 90% to 97% • Marketable Concentrate Grades – Up to 33% Cu and 15 g/t Au, attractive to global smelters
Slide 49: Technology
Technology VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 49
Slide 50: Technology Providers and Partners
Technology Providers and Partners TARGET GENERATION AND EXECUTION DATA COLLECTION GEOLOGICAL MODELLING AI INPUT/OUTPUT/ITERATION FUTURE TARGETS VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 50
Slide 51: Operations and Infrastructure
Operations and Infrastructure VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 51
Slide 52: Infrastructure Positioning – Scalability and Future Pathways
Infrastructure Positioning – Scalability and Future Pathways 1. Large-scale project in an emerging mining district Potential to benefit from regional infrastructure and shared development synergies 2. Power – no apparent structural constraints identified to date Understanding regional grid acces
Slide 53: Strategic Positioning in an Emerging Mining Cluster
Strategic Positioning in an Emerging Mining Cluster • Located within a globally significant copper district including Vicuña, Nueva Unión, El Encierro, and Hot Chili • Strategically positioned between the Cordillera (resource base) and the coast (ports, desalination, power infrastructure) • Position
Slide 54: Regional Infrastructure and Distances
Regional Infrastructure and Distances Positioned within a connected district with potential access to regional infrastructure corridors VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 54
Slide 55: Power Infrastructure – Reliable and Scalable Supply
Power Infrastructure – Reliable and Scalable Supply Power is not expected to be a structural constraint for future development • Chile’s unified National Electric System (SEN) provides reliable and scalable regional supply • Nearby substations including Alto del Carmen, Maitencillo, Algarrobal, Pasc
Slide 56: Water – Long-Term Considerations and Regional Context
Water – Long-Term Considerations and Regional Context • Atacama region hosts significant desalination infrastructure Multiple projects operating and under development Increasing use of shared (multi- user) infrastructure models • Relevance for Valeriano Monitoring regional desalination develop
Slide 57: Advancing Geology and Preserving Development Optionality
Advancing Geology and Preserving Development Optionality • Advance understanding of the porphyry system and key controls on mineralization • Refine and prioritize targets across the broader Portal system Exploration • Assess access and logistical considerations at a Tunnel 0.3% Cu grade-shell concep
Slide 58: Environment, Social, Sustainability
Environment, Social, Sustainability VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 58
Slide 59: ESG – Top-Tier Jurisdiction with Strong Permitting Foundations
ESG – Top-Tier Jurisdiction with Strong Permitting Foundations 1. A new government with a focus on promoting foreign investment and making the environmental permitting system more efficient 2. Strong ESG strategy 3. Early engagement with communities and strong social license 4. Proactive and robust
Slide 60: Supportive New Government
Supportive New Government Greater legal certainty for investors • President Kast took office on March 11, 2026 • Position of the new government: Economic development and environmental protection are compatible objectives Excessive regulations constrain investment and growth The State must prom
Slide 61: License to Operate
License to Operate Low-profile, compliance and close relationships • ATEX has invested between US$1.2 and US$1.5 million in ESG activities each year • ESG strategy main pillars: Community engagement Local development Surface rights securement and management Environmental initiatives Enviro
Slide 62: Environmental Impact Declaration (EID)
Environmental Impact Declaration (EID) Securing permits, minimizing impact and managing risks • Filing permit to continue to operate for 5 more years starting from Phase VIII • Wider characterization of 1,171-ha polygon for an intervention area of less than 105 ha 20 baseline components (cryology,
Slide 63: Early Citizenship Participation
Early Citizenship Participation Enabling the Environmental Impact Declaration (EID) • Objective Voluntary initiative to present the scope of the EID and listen to the community • Methodology First round: 9 one-on-one dialogues // 3 open houses Second round: 1 one-on-one dialogue // 5 community
Slide 64: Stakeholder Engagement
Stakeholder Engagement Ongoing engagement with neighboring communities • The project is in the Valle del Tránsito, within the Alto del Carmen district • Since the beginning of Valeriano, there has been ongoing engagement with neighboring communities based on: Clear and timely information to build
Slide 65: Advancing the Project Through Strategic ESG Practices
Advancing the Project Through Strategic ESG Practices Minimize the environmental impact E Obtain environmental permits Anticipate and manage environmental-related risks Establish a strong social license to operate S Commit to local and regional development Anticipate and manage community-related ris
Slide 66: Finance
Finance VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 66
Slide 67: Finance – Efficient and Well Funded Exploration
Finance – Efficient and Well Funded Exploration 1. Strong current cash position with an additional ~C$170 million within reach 2. Lowest regional exploration cost per meter 3. Industry leading discovery cost per pound 4. Attractive valuation VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Disc
Slide 68: A Very Strong Balance Sheet
A Very Strong Balance Sheet Price Number Proceeds • ~$145 million in cash currently on the balance sheet Securities (C$) (000s) (C$,000s) • Cash burn of ~$8 million during drilling operations Common Shares 367,345* with six (6) rigs deployed Private Placement Warrants $4.00 42,262 $169,050 • Phase V
Slide 69: Exploration Costs per Meter (C$)
Exploration Costs per Meter (C$) Direct Exploration Costs Indirect Operating Costs VAT $6,000 $5,000 $756 $376 $4,000 $688 $632 $239 $277 $3,000 $502 $286 $300 $397 $179 $492 $312 $2,000 $3,790 $212 $270 $217 $3,157 $2,939 $2,144 $2,196 $1,000 $1,794 $1,586 $1,342 $- 2024A 2025A 2026E 2022A 2023A 20
Slide 70: Valeriano Delivers Industry Leading Discovery Costs
Valeriano Delivers Industry Leading Discovery Costs • Valeriano has advanced rapidly from geological curiosity to a globally significant, generational discovery while achieving industry leading discovery costs (cents per pound) and generating significant value for shareholders • Global discovery cos
Slide 71: ATEX Trading at a Discount
ATEX Trading at a Discount $1.80 $1.61 EV / Copper Reserves and Resources (US$) $1.60 $1.40 $1.20 $1.00 $0.80 $0.60 Average of ~$0.11/lb excluding Foran $0.40 $0.37 $0.23 $0.21 $0.20 $0.14 $0.08 $0.07 $0.05 $0.05 $0.03 $0.02 $0.01 $0.01 $0.00 Foran Marimaca Firefly NGEx Trilogy Arizona Regulus Solar
Slide 72: Key Takeaways from Site Visit
Key Takeaways from Site Visit VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB: ATXRF 72
Slide 73: Key Takeaways from Valeriano Site Visit
Key Takeaways from Valeriano Site Visit A large, expanding copper-gold system with multiple growth vectors and a clear path to scale 1. District scale porphyry system expanding with multiple growth vectors 2. B2B high-grade zone supports emerging scale and continuity of the porphyry system 3. Clear
Slide 74: ATEX Resources Inc.
ATEX Resources Inc. Toronto Office: 1001 – 360 Bay St., Toronto, ON, M5H 2V6 Santiago Office: Suecia 283, Oficina 401, Providencia, Santiago, Chile Email: info@atexresources.com Website: www.atexresources.com VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX | OTCQB:
Slide 75: Valeriano Mineral Resource Statement – September 2025
Valeriano Mineral Resource Statement – September 2025 Grade Contained Metal Tonnes Category Cut-off Grade Cu Au Ag Mo CuEq AuEq Cu Au Ag Mo CuEq AuEq (Mt) (%) (g/t) (g/t) (g/t) (%) (g/t) (Mt) (koz) (koz) (kt) (Mt) (koz) Measured - - - - - - - - - - - - - Indicated - - - - - - - - - - - - - Gold Oxid
Slide 76: Phase IV Drill Results
Phase IV Drill Results From To Interval Cu Au Ag Mo CuEq % CuEq % Notes: Hole ID Date (m) (m) (m) (%) (g/t) (g/t) (g/t) MRS(1,3) Met(2) 1. CuEq calculated using recoveries assumed in 2023 MRE (90% Cu, 70% Au, 80% Ag and 60% Mo) (See Company news dated September 12, 2023) using the formula stated bel
Slide 77: Phase V Drill Results
Phase V Drill Results CuEq % CuEq % Notes: Hole ID From (m) To (m) Interval (m) Cu (%) Au (g/t) Ag (g/t) Mo (g/t) Date MRS(1,3) Met(2) 1. CuEq calculated using recoveries assumed in 2023 MRE (90% Cu, 70% Au, ATXD16B 1,044 1,824 780 0.56 0.23 0.9 90 0.76 0.81 80% Ag and 60% Mo) (See Company news date
Slide 78: Phase V Drill Results (Continued)
Phase V Drill Results (Continued) Notes: CuEq % CuEq % Hole ID From (m) To (m) Interval (m) Cu (%) Au (g/t) Ag (g/t) Mo (g/t) Date MRS(1,3) Met(2) 1. CuEq calculated using recoveries assumed in 2023 MRE (90% Cu, 70% Au, 80% Ag and 60% Mo) (See Company news dated September 12, 2023) using the ATXD29A
Slide 79: Phase VI Drill Results
Phase VI Drill Results CuEq % Notes: Hole ID From (m) To (m) Interval (m) Cu (%) Au (g/t) Ag (g/t) Mo (g/t) Date MRS(1) 1. CuEq calculated using recoveries assumed in 2025 MRE (see Company news dated September 23, 2025) using the formula: ATXD25C 1,302 1,886 584 0.83 0.39 2.2 65 1.27 a. Cu (%) + 1.0
Slide 80: Notes on Reported Exploration Results and QAQC Procedures
Notes on Reported Exploration Results and QAQC Procedures Notes on Drill Results • All intervals are reported as core lengths as the true lengths of the intervals are unknown at this time. • Copper Equivalent (CuEq) is calculated assuming US$ 3.15/lb Cu, US$ 1,800/oz Au, US$ 23/oz Ag, and US$ 20/lb