Slide 1: Valeriano Copper-Gold Project
VALERIANO COPPER-GOLD PROJECT A New Giant High-Grade Discovery in Chile August 2025 TSXV: ATX
Slide 2: Cautionary Statements
Cautionary Statements FORWARD LOOKING STATEMENTS QUALIFIED PERSONS This presentation contains forward-looking statements, including predictions, projections, and forecasts related to ATEX Resources Inc. (“ATEX” or the Mr. Ben Pullinger, P.Geo., registered with the Professional Geoscientists Ontario,
Slide 3: A Large Scale, High-Grade Copper-Gold Project
A Large Scale, High-Grade Copper-Gold Project Significant and growing Mineral Resource with 2023 Inferred Resource of 1.41 billion tonnes of Cu-Au grading 0.67% CuEq1 Phase V (~16,600m) drill program delivered the highest-grades in ATEX history, which should support a meaningful Mineral Resource upd
Slide 4: Valeriano is Located on the Porphyry Superhighway
Valeriano is Located on the Porphyry Superhighway Lundin / JX Metals Copiapó CASERONES PERU ATEX owns a 100% of the Valeriano Project NGEx NGEx LOS HELADOS VICUÑA Located in the Huasco Province within the Huasco Teck / Newmont RELINCHO LUNAHUASI Lundin / BHP Atacama Region of northern Chile SOUTHERN
Slide 5: Valeriano is High-Grade and Growing
Valeriano is High-Grade and Growing Phase V – ATXD23A Phase V – ATXD23A Phase V – ATXD25A 152m of 1,220m of 30m of 2.12 % CuEq 0.91% CuEq 4.40% CuEq High-Grade Breccias (B2B) Continuous Mineralized Intervals High-Grade Porphyry 600 m Drill rig on ATXD16B 1.4 km mineralized strike length (open) 1. Re
Slide 6: A New World Class Porphyry District
A New World Class Porphyry District TORRENTE (Codelco) Valeriano and El Encierro projects are 6 km apart and both host growing significant mineral resources Over 3 billion tonnes already defined along the trend with significant exploration plans underway at both EL ENCIERRO (Antofagasta) A surface a
Slide 7: 2023 Inferred MRE to be Updated in H2 2025
2023 Inferred MRE to be Updated in H2 2025 Metal Contribution by $ Cu 15.6 Blbs (7.1 Mt) 2023 Inferred MRE Contained Metal within the Mineral Resource Copper Au Au 9.01 Moz Cu 23% Gold 70% Ag Ag 43.6 Moz 1% Silver Mo 6% Mo 90.1 kt Molybdenum 20.7 Blbs Copper Equivalent Note: Refer to supplementary s
Slide 8: Top Undeveloped Copper Projects in the World
Top 10 Undeveloped Copper Projects in the World Contained copper in the Measured and Indicated and Inferred Mineral Resource categories Project Country Majority Owner(s) Contained Cu (Mt) Contained Cu (Blbs) Pebble USA Northern Dynasty 37.2 82.0 Resolution USA Rio Tinto / BHP 27.3 60.2 KSM Canada Se
Slide 9: Deep Value Opportunity
Deep Value Opportunity FILO DEL SOL1 VALERIANO VALERIANO Initial Sulphide Resource (May 2025) September 2023 MRE H2 2025 MRE Tonnes (Bt) 7.3 1.4 ? Grade – Cu / CuEq 0.40% / 0.57% 0.50% / 0.67% ? Metres Drilled 200,486 22,000 ? Recoveries – Cu / Au 78% Cu / 62% Au 90% Cu / 70% Au 95% Cu / 94% Au Cont
Slide 10: Valeriano – Efficient Value Creation
Valeriano – Efficient Value Creation 8.6 Mt / JOSEMARIA 81 t/m 106,504m tonnes per metre (t/m) 15.2 Mt / LOS HELADOS 162 t/m 93,750m 47.7 Mt / FILO 238 t/m 200,486m 9.1 Mt / VALERIANO 427 t/m 22,000m 0 50 100 150 200 250 300 350 400 450 Notes: Metric tonnes are shown on a copper equivalent basis as
Slide 11: Metallurgical Testing Shows Robust Copper-Gold Recoveries
Metallurgical Testing Shows Robust Copper-Gold Recoveries LONG SECTION - Facing 060 (NE) • Robust Copper and Gold Recoveries – Total copper and gold recoveries ranging from 4,500 92% to 95% and 90% to 97% • Marketable Concentrate Grades – Up to 33% Cu and 15 g/t Au, attractive to global smelters, wi
Slide 12: Favorable Topography for a Potential U/G Mine
Favorable Topography for a Potential U/G Mine EL ENCIERRO VALERIANO 4,400 masl 600m 3,800 masl 3,600 masl 200m (top of mineralization) CuEq (%) 200m > 1.0 Highlighted 152m @ 2.12% CuEq (23AV) 3,300 masl (B2B High-Grade) > 0.8 Intersections (400m below the valley floor) 126m @ 2.04% CuEq (29AV) 68m @
Slide 13: Phase IV & V – Shaping the Future of Valeriano
Phase IV & V – Shaping the Future of Valeriano • High grade breccia (“B2B Zone”) discovery sits atop the porphyry, close to valley floor Phase IV & V drilling totalling • B2B is a high-grade and approximately 28,600m 2023 Resource structurally controlled target with a Mineralized 2.0%+ CuEq core wra
Slide 14: Phase V Drill Program – B2B Zone High-Grade Breccia
Phase V Drill Program – “B2B Zone” High-Grade Breccia Step-out drilling is extending strike length of the high-grade overprinting breccia system closer to surface ATXD27A (42m @ 1.20% CuEq) 140m extension north of ATXD23A and intersected > 400 m of near surface mineralization North OPEN B2B minerali
Slide 15: Phase V Drill Program – Cu/Au Valeriano Porphyry Targets
Phase V Drill Program – Cu/Au Valeriano Porphyry Targets High grade porphyry trend extended to ~1,000 metres ATXD25A (30m @ 4.40% CuEq) Conceptual northernmost intersection at a depth ATXD25B (199m @ 0.71% Mineralized of 2,232m CuEq) targeting northern-most Porphyry extent of porphyry intersected Co
Slide 16: Looking Ahead to Phase VI – Exploring For More HG Breccia
Looking Ahead to Phase VI – Exploring For More HG Breccia ~800m of underexplored ground exists between the northern most Magnetic Signatures and Structural Controls porphyry intersection and ATEX’s property boundary to the north EL ENCIERRO Priorities for Phase VI include: 800m Breccia Targets • Con
Slide 17: Upcoming Milestones and Catalysts
Upcoming Milestones and Catalysts 2024 2025 Q1 – Q2 2024: January – July 2025: Phase IV drill results Phase V drill results Q2 2024: Strengthened management team and board October 2024: Agnico Eagle strategic investment and Phase September 2025: V program begins Commence Phase VI December 2024: H2 2
Slide 18: Strong Financial Position and Cornerstone Shareholders
Strong Financial Position and Cornerstone Shareholders Capital Structure (ATX-TSX.V – July 31, 2025) Equity Research Coverage Target Price Share Price C$1.97 David Davidson $3.25 Shares Outstanding (M) 295 Bryce Adams $3.80 Market Capitalization (M) C$581 Stefan Ioannou $3.50 Net Cash at FQ2 2025 (M
Slide 19: ESG Initiatives – Investing in the Future
ESG Initiatives – Investing in the Future Environmental monitoring – gathering critical data for environmental baselines Proper waste management, encouraging re-use and recycling Starlink WiFi antennas allow residents to connect to the internet securely and consistently VALERIANO COPPER-GOLD PROJECT
Slide 20: ESG Initiatives – Community Engagement and Diversity
ESG Initiatives – Community Engagement and Diversity DIVERSE WORKFORCE • 35% of ATEX’s workforce are women • 49% of ATEX's workforce is from the province of Huasco • 1/3 of ATEX board members are women PreparATEX – Professional Development of Locals • Second edition of PreparATEX in 2024, expanding
Slide 21: A Management Team Broadening in Scope and Capability
A Management Team Broadening in Scope and Capability Ben Elijah Aman Dr. Felipe M. Dr. Christine Pullinger Tyshynski Atwal Pinheiro Rainaud President, CEO CFO and VP, Business General Manager Director of and Director Corporate Development and and Director of Exploration Secretary Investor Relations
Slide 22: A Strong Board with History of Discoveries and Value Creation
A Strong Board with History of Discoveries and Value Creation Craig Nelsen, Ben Pullinger, Alejandra Wood, Jamile Cruz, Chris Beer, Rick McCreary, Chairman President, CEO, Director Director Director Director Director • Geologist with over 40 • Geologist with over 19 • Over of 20 years of • Over 20 y
Slide 23: ATEX Resources Inc. Contact
ATEX Resources Inc. 1001 – 360 Bay St., Toronto, ON, M5H 2V6 www.atexresources.com Ben Pullinger President and CEO bpullinger@atexresources.com Aman Atwal VP, Business Development and Investor Relations aatwal@atexresources.com VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile
Slide 24: Results Outline Scalable Deposit with High-Grade Optionality
Results Outline Scalable Deposit with High-Grade Optionality High-Grade Expanding High-Grade Multiple Continuously Mineralized Overprinting Breccia Core within Porphyry Intervals of > 0.3% Cu and ~1,000m long System – B2B Zone ATXD23AV ATXD11BIII ATXD16AIV ATXD17II 22m of 3.30 % CuEq ATXD16AIV ATXD1
Slide 25: 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 26: 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 27: 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 28: Cornerstone Strategic Partner
Cornerstone Strategic Partner C$55 million (US$40 million) strategic investment in ATEX by Agnico Eagle Mines, a leading senior miner with high quality assets and geopolitical profile “The investment in ATEX is consistent with Agnico Eagle's historical practice Extensive due diligence performed by A
Slide 29: South American Resource Landscape
South American Resource Landscape • Valeriano ranks amongst the higher-grade copper projects in South America and en route to the top right quadrant Source: BMO Capital Markets, S&P Market Intelligence VALERIANO COPPER-GOLD PROJECT: A New Giant High-Grade Discovery in Chile TSXV: ATX 29
Slide 30: September 2023 Mineral Resource Statement
September 2023 Mineral Resource Statement Valeriano Project, September 1, 2023 Quantity Grade Contained Metal Inferred Mineral Cut-Off Tonnes Cu Au Ag Mo CuEq* Cu Au Ag Mo Resource Grade (millions) (%) (g/t) (g/t) (g/t) (%) Mt koz koz kt Au Epithermal 0.28 32.1 - 0.54 2.43 - - 557 2,511 - Open Pit g
Slide 31: Notes on Reported Exploration Results and QAQC Procedures
Notes on Reported Exploration Results and QAQC Procedures Notes on Drill Results • All intervals are reported as core lengths as the true lengths of the intervals are unknown at this time. • Copper Equivalent (CuEq) is calculated assuming US$ 3.15/lb Cu, US$ 1,800/oz Au, US$ 23/oz Ag, and US$ 20/lb