Arizona Sonoran Copper Co., Inc.

Arizona Sonoran Copper — Investor Presentation (February 2023)

42 slides from Arizona Sonoran Copper's investor presentation, Feb 16, 2023

  1. Slide 1: Invest In Sustainability – Corporate Presentation February 2023

    ASCU:TSX ASCUF:OTCQX COPPER Invest In Sustainability Corporate Presentation February 2023

  2. Slide 2: Cautionary Information

    2 Cautionary Information This presentation (“Presentation”) is being furnished on a confidential basis in order to provide readers certain information with respect to the business and operations of Arizona Sonoran Copper Company Inc. (the “Company” or “ASCU”). This presentation contains forward-look

  3. Slide 3: Capital Structure & Ownership

    3 Capital Structure & Ownership CAPITAL STRUCTURE OWNERSHIP Market Capitalization C$195M 6% Rio Tinto Shares Outstanding (M) 103.9 26% Tembo Warrants (M) 6.4 Insitutional Options (M) 2.9 32% Management RSU’s (M)(1) 0.3 Retail DSU’s (M) 0.4 5% Fully Diluted Share Capital (M) 113.9 Cash as at Feb 16,

  4. Slide 4: ASCU: An Emerging Copper Developer in the USA

    ASCU: An Emerging Copper Developer in the USA 4 A Goal to Provide the US with Locally Sourced Copper Brownfield Private Proposed Copper Building Scalability Experienced Supportive Exploration and Landownership = Heap Leach, SXEW and Growth Leadership Team; Copper Market Development State and County

  5. Slide 5: Management Team with Track Record of Execution

    5 Management Team with Track Record of Execution STRONG SPONSOR SUPPORT George Ogilvie, P.Eng. Ian McMullan, P.Eng., MBA Nick Nikolakakis, BASc, MBA Rita Adiani, LLB Hons • Global leading diversified PRESIDENT, CEO & DIRECTOR COO VP FINANCE AND CFO SVP STRATEGY & CORPORATE metals and mining company

  6. Slide 6: Experienced Board of Directors

    6 Experienced Board of Directors David Laing, B.Sc. Eng Thomas Boehlert, ICD.D George Ogilvie, P.Eng. CHAIR OF THE BOARD OF DIRECTORS DIRECTOR PRESIDENT, CEO & DIRECTOR +40 years experience in the mining industry with roles across +30 years in the agribusiness, mining & energy. Experienced finance +

  7. Slide 7: Location Advantage

    Location Advantage

  8. Slide 8: Arizona: Globally Recognized Top Tier Jurisdiction to Operate

    ARIZONA: Globally Recognized Top Tier Jurisdiction to Operate 8 Accessible Infrastructure and Skilled Labour-force Arizona is the USA's Cactus Project leading copper- and Parks/ Salyer producing state which Deposits accounted for 70% of At the intersection of 3 major porphyry domestic output of copp

  9. Slide 9: Local Support for the Cactus Mine

    9 Local Support for the Cactus Mine Overwhelming support for the Cactus Mine in Casa Grande – economic survey shows $8.5 Billion of indirect and direct revenues to the local community. Probably Support 82.6% GOP: 93.0% Support Don't Know, Refused Dem: 66.7% Support Support PND: 84.4% Support Definit

  10. Slide 10: Major Permits in Place – De-risked Project Development on Private Land

    Major Permits in Place – De-risked Project Development on Private Land 10 Water Rights in Hand, Access to Water Onsite COMPLETED PERMITS OUTSTANDING PERMITS – STREAMLINED PROCESS Permit Permit Office Permit Permit Office Status Air Quality Dust Permit Pinal County Industrial Air Permit Pinal County

  11. Slide 11: Among the Most Developed Independent US Development Copper Assets

    Among the Most Developed Independent US Development Copper Assets 11 Permitting well advanced and on track to complete a PFS LOW DISCOVERY COST PER POUND SIGNIFICANT INDEPENDENT COPPER DEVELOPMENT ASSETS IN THE USA $0.03 Discovery Cost Per Pound (US$) Global Copper Inventory (Mlbs) 4902 Primary Rese

  12. Slide 12: ASCU Projects

    ASCU Projects

  13. Slide 13: Cactus Project, Low-Risk Brownfield Project

    Cactus Project, Low-Risk Brownfield Project 13 Leachable Base Case Economics / Optionality for Primary Sulphides ASCU:TSX | ASCUF:OTCQX ARIZONASONORAN.COM

  14. Slide 14: Brownfield Infrastructure Advantage

    Brownfield Infrastructure Advantage 14 Valued at approximately $100M Powerline and onsite substation connected to Arizona Public Service Electric • Offices, core shack and ancillary buildings • Rail line (to ship concentrate to refinery) • Power substation • Stockpile (part of Integrated Cactus PEA)

  15. Slide 15: PEA Base Case – Cactus Mine

    PEA Base Case – Cactus Mine 15 Project Economics + Rescoped Opportunity PEA BASE CASE PROJECT METRICS(1)(2) Cactus Mine’s Oxide and Enriched Material Upcoming PFS to Expand on PEA Base Case and Over the Life of Mine Test Sulphide Leaching Optionality Mine Life 1.27 B lbs of Cu over 18 years Between

  16. Slide 16: Cactus Mine Leachable-Only Mineral Resource Estimate

    Cactus Mine Leachable-Only Mineral Resource Estimate 16 Grades Significantly Increase Underground LEACHABLE MINERAL RESOURCE Total Open Pit & Stockpile Underground Indicated 1,065,900 Klbs 919,700 Klbs 0.696% 146,200 Klbs 0.954% UG high-grade Cu TSol CuTSol contributing to economics Inferred 1,211,3

  17. Slide 17: Parks/Salyer Project – Grades, Thicknesses

    Parks/Salyer Project – Grades ✓ Thicknesses ✓ 17 Opportunity to Integrate into the Cactus PFS • Mineral resource grade in excess of 1% Contained Copper Grade • Newly defined deposit is being reviewed for inclusion to the Base Case project for the upcoming PFS 2.9 B lbs 1.015% T Cu • Traditional hors

  18. Slide 18: Beyond the Base Case: Primary Sulphide Optionality

    18 Beyond the Base Case: Primary Sulphide Optionality Currently column leach testing primary sulphides via Rio Tinto’s NutonTM technologies • Initial testing showed +72% leaching recoveries of primary sulphides ABOUT NUTONTM • Technology assumes simple heap leach and SX/EW plant flowsheet • NutonTM

  19. Slide 19: Beyond the Base Case: Exploration along 4 km Mine Trend

    Beyond the Base Case: Exploration along 4 km Mine Trend 19 Building Scale and Potential Future Operational Pipeline • Ionic leach program and magnetics show highly prospective zones all along the 4 km porphyry copper mine trend • Gap Zone: Historic condemnation drilling extended 100 ft in depth • NE

  20. Slide 20: Leachable Material Metallurgical Programs

    Leachable Material Metallurgical Programs 20 Simple heap-leach and SXEW process for Base Case and Option with Primary Sulphides Cactus Met Gross Acid Net Acid Cactus Programs complete with favourable Program Leach Cycle Recoveries Consumption Consumption (updated Feb 01 leach cycles • Enriched Mater

  21. Slide 21: The Cactus Project Timeline

    The Cactus Project Timeline 21 Integrating Cactus and Parks/Salyer with the Primary Sulphide Material Task 1Q23 2Q23 3Q23 4Q23 1Q24 2Q24 3Q24 4Q24 2025 2026 2027 PFS Drilling / Assays Metallurgy Detailed Mine Design and Engineering Pre-Feasibility Permitting Feasibility Study Construction Decision a

  22. Slide 22: Peer Benchmarking

    Peer Benchmarking

  23. Slide 23: Copper Development Peers (P/NAV)

    23 Copper Development Peers (P/NAV) 1.00x 0.95x 0.90x 0.86x 0.80x 0.70x 0.65x 0.60x Peer Average: 0.55x P/NAV 0.49x 0.50x 0.48x 0.46x 0.46x 0.40x 0.30x 0.26x 0.22x 0.20x 0.10x 0.00x IE FOM FIL NGEX AMC MARI ASCU TMQ FDY Source: Company Filings, Capital IQ, February 15, 2023 ASCU:TSX | ASCUF:OTCQX AR

  24. Slide 24: Value Proposition: Benchmarking to Copper Developers

    Value Proposition: Benchmarking to Copper Developers 24 Low-Risk Copper Developer in Top Tier Jurisdiction $0.30 ✓ Large scale mineral resource base $0.247 $0.25 ✓ Streamlined permitting: $0.230 ✓ Water permits in hand ✓ No Federal Nexus $0.20 ✓ Brownfields project in Tier 1 EV/lb CuEq (US$/lb) juri

  25. Slide 25: Benchmarking ASCU to Copper Developers

    25 Benchmarking ASCU to Copper Developers Market Capitalization (C$) $169M $1.4B $2.8B $784M $304M $534M $533M $315M $112M $59M $133M Cactus / Santa Cruz / McIlvenna Cu Creek / Asset Name Filo del Sol Marimaca Los Helados Kay Casino Arctic Copperwood Parks Salyer Tintic Bay Contact Cu Economic Study

  26. Slide 26: Key Investment Highlights

    26 Key Investment Highlights A Team with a Successful High Quality Project Growth focused Track Record A simple porphyry copper Multi-billion-pound project A proven track record of project in a top tier jurisdiction pipeline includes Cactus, delivering successful mining with robust economics and low

  27. Slide 27: Alison Dwoskin, Director, Investor Relations

    Alison Dwoskin, CPIR George Ogilvie, P.Eng Director, Investor Relations President, CEO & Director adwoskin@arizonasonoran.com gogilvie@arizonasonoran.com +1 (647) 233-4348 (cell) +1 (416) 723-0458 (cell) www.arizonasonoran.com | www.cactusmine.com

  28. Slide 28: Appendix

    Appendix

  29. Slide 29: The Cactus Mine Project History and Path Forward

    29 The Cactus Mine Project History and Path Forward ASARCO Sacaton ARIZONA SONORAN COPPER COMPANY US$20M Remediation Complete 2019/ Next 1964 1974 1984 2019 2021 2022 2023 Steps 2020 Sacaton Production Suspends • Purchases • Declaration • Bolsters Board • Infill drilling - • PFS and FS Studies Disco

  30. Slide 30: Our ESG Framework – Setting the Pace for Net Zero Carbon Emissions

    30 Our ESG Framework – Setting the Pace for Net Zero Carbon Emissions • ASCU is actively exploring use of renewable energy for its operations with the goal of becoming a “Net Zero Carbon Emissions” copper producer • Ability to also reduce carbon footprint by Arizona Public Service’s transition to re

  31. Slide 31: Journey Towards Net Zero - Partnership with Minviro

    31 Journey Towards Net Zero - Partnership with Minviro PFS / FS PRODUCTION AND REPORTING Construction • Design parameters used to scope impact • Establishing reporting KPIs • Investment in low carbon technologies and minimizing • GHG inventory assessment (Scope 1, 2 • Reporting to international dire

  32. Slide 32: Junior Copper Producer Benchmarking (Enterprise Value and Production)

    32 Junior Copper Producer Benchmarking (Enterprise Value and Production) $4,500 200 $4,119 $4,000 180 160 $3,500 140 $3,000 Annual Production (Mlbs CuEq) 120 $2,500 EV (US$M) Company Goal: 100 $2,000 Peak PEA Production: 80 $1,500 60 $1,000 $772 40 $664 $552 $500 20 $318 $163 $97 $0 0 Capstone Coppe

  33. Slide 33: Cactus PEA Production Schedule

    33 Cactus PEA Production Schedule – Opportunity beyond 40 kstpa (80 Mlbs) CACTUS PRODUCTION SCHEDULE(1)(2) Heap Leach & SX/EW Processing 55,000,000 55,000 Organic Growth Opportunities: 50,000,000 In-Pit and Near-Pit Optimization 50,000 Parks/Salyer 45,000,000 NE Extension 45,000 40,000,000 40,000 Re

  34. Slide 34: Robust Returns from Lowest Capital Intensity vs Peer Group

    34 Robust Returns from Lowest Capital Intensity vs Peer Group Between the PEA and the upcoming Prefeasibility study, PEA CONSTRUCTION CAPEX BREAKDOWN (US$M) ASCU is reviewing the following: Direct & Indirect Leach Pads, SXEW Total Cost Components Ponds & Pipelines Facility Capital Cost • Mining inve

  35. Slide 35: Mineral Resource Estimate Table

    Material Type Tons (kt) CuT % TSol % Contained Cu (k lbs) Contained Cu (k Tons) INDICATED Cactus Oxide 31,400 0.559 349,700 176 Enriched 42,500 0.844 715,500 359 Total Leachable 73,900 0.723 1,065,200 534 Primary 77,900 0.35 545,500 273 Total Indicated 151,800 0.531 1,610,700 806 INFERRED Cactus Oxi

  36. Slide 36: Notes to the Mineral Resource Estimate

    36 Notes to the Mineral Resource Estimate 1. CuT means total copper and Tsol means total soluble copper as the addition of sequential acid soluble and sequential cyanide soluble copper assays. Tons are reported as short tons. 2. Cactus and Stockpile Resource estimates have an effective date of 31 st

  37. Slide 37: Cactus East FS Level Infill Drilling Supporting Current Model

    Cactus East FS Level Infill Drilling Supporting Current Model 37 Press Release Dated August 30, 2022 S-37 August 30 Press Release Assays Pending 250 ft (76 m) 500 ft (152.4 m) ASCU:TSX | ASCUF:OTCQX ARIZONASONORAN.COM

  38. Slide 38: Cactus East Cross Section, Looking Northwest

    Cactus East Cross Section, Looking Northwest 38 Press Release Dated August 30, 2022 ECE-073 ECE-069 ECE-058 S-37 S-42 A’ A ECE-072 ECE-073 ECE-069 344.0 ft @ 1.07% CuT, 247.0 ft @ 1.73% CuT, 0.82% Cu TSol 1.63% Cu TSol Incl. 101.7 ft @ 1.95% Incl. 90.0 ft @ 2.99% CuT, 1.89% Cu TSol CuT, 2.80% Cu TSo

  39. Slide 39: Parks/Salyer Plan View with Interpreted Mineralized Extents

    Parks/Salyer Plan View with Interpreted Mineralized Extents 39 Press Release Dated November 29, 2022 ECP-045 ECP-101 ECP-099 ECP-102 ECP-100 ECP-079 ECP-103 Previously Reported November 28 Press Release ECP-106 Assays Pending Interpreted Mineralization Extents ECP-104 500 ft (152 m) 1,000 ft (304.8

  40. Slide 40: Parks/Salyer Cross Section – Looking West

    Parks/Salyer Cross Section – Looking West 40 Press Release Dated November 29, 2022 A A’ ECP-079 ECP-106 ECP-100 479 ft @ 1.32% CuT, 0.90% TSol, ASCU Property Boundary 0.017% Mo (enriched) 225 ft @ 0.96% CuT, 0.63% TSol, 0.039% Mo (primary) ECP-099 552.0 ft @ 1.10% CuT, 0.85% TSol, 0.030% Mo (enriche

  41. Slide 41: ECP-097 Oxide Mineralization

    ECP-097 Oxide Mineralization 41 Press Release Dated November 2, 2022 1.71% TCu 1.70% TCu Sol 0.027% Mo 10 ft Interval 1,324 – 1,334 ft (3.0 m, 403.5 – 406.6 m) WITHIN: 0.68% TCu 0.65% Cu Tsol 0.018% Mo 294.4 ft interval 1,071.0 – 1,365.4 ft (89.7 m, 326.4 – 416.2 m) ASCU:TSX | ASCUF:OTCQX ARIZONASON

  42. Slide 42: Rediscovering the World-Class Santa Cruz Copper Porphyry System

    42 Rediscovering the World-Class Santa Cruz Copper Porphyry System Drilling the same porphyry copper system, starting Ivanhoe Electric ARIZONA SONORAN at Santa Cruz and extending northeast over P/S and beyond the Cactus Mine Project. ASCU – active drilling (3 rigs) A’ IE – active drilling (6 rigs) I

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