Dakota Gold Corp. · AMEX:DC

Dakota Gold — Investor Presentation (September 2026)

32 slides from Dakota Gold's investor presentation, Sep 10, 2026

  1. Slide 1: Building the Next Gold Mine in the Homestake District

    Building the Next Gold Mine in the Homestake District NYSE American: DC Investor Presentation | September 2026 dakotagoldcorp.com

  2. Slide 2: Disclaimer

    Disclaimer Dakota Gold is focused Forward-Looking Statements on responsible This communication contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. When used in this commun

  3. Slide 3: Dakota Gold – A unique investment opportunity

    Dakota Gold Dakota Gold, NYSE – A unique investment opportunity American: DC is a • Gold and Silver prices and demand at record highs during a time of production deficits unique investment • Leadership team with track record success opportunity for • Advancing the Richmond Hill Gold Project, one of

  4. Slide 4: Homestake District: New Opportunities

    Richmond Hill Homestake District: New Opportunities​ Maitland Gold Project Gold Project Legend - Dakota Gold holds ~50k mineral acres in the • Private Land Homestake District • Over 3,000 mineral acres​​ • Private Land​ • Development stage Dakota Gold Land Package​ Richmond Hill – Private Land • 2,3

  5. Slide 5: Richmond Hill – IACF supports simple, open pit, heap leach project

    Richmond Hill – IACF supports simple, open pit, heap leach project​ (US$) M&I plan MI&I plan (US$) M&I plan MI&I plan Key Assumptions LOM AISC (Cash Cost plus $1,047 $1,050 Sustaining Cost) Base Case Gold Price $2,350/oz $2,350/oz Capital Costs Base Case Silver Price $29.00/oz $29.00/oz Initial Capi

  6. Slide 6: Richmond Hill - M&I plan production and cost profile

    Richmond Hill - M&I plan production and cost profile​ M&I plan 153,000 oz/yr GOLD PRODUCTION 2.6 Moz GOLD LOM PRODUCTION (17-year mine life) 8.7 Moz SILVER LOM PRODUCTION (17-year mine life) US$1,047/oz LOM AISC (US$2,350/oz Gold Price) (US$29/oz Silver Price) dakotagoldcorp.com | NYSE-A: DC 6

  7. Slide 7: Richmond Hill – IACF proposed mine plan

    Richmond Hill – Water Overburden Storage Area IACF proposed mine plan Leach Pad 3 Treatment Plant (Reclaimed) North (35.6MM tons) Reclaimed Mined Area Leach Pad 2 • 580 acres of net disturbance is (44.4MM tons) anticipated with the initial permit Storm Event Mined Area Conveyance • Initial mining to

  8. Slide 8: Richmond Hill - 2025 to 2027 drill campaigns

    Richmond Hill - 2025 to 2027 drill campaigns Northern Expansion • 2025-2026 Drilling– 46,552 m (152,000 ft) of drilling completed in 354 holes. Adding ~30% new drilling data relative to the IACF to inform Q4 2026 PFS. • 2026-2027 Drilling– targeting ~3,800 m (~12,500 ft) of metallurgical drilling th

  9. Slide 9: Richmond Hill – 2025 and 2026 expansion drilling

    Richmond Hill – 2025 and 2026 expansion drilling • The 2025 and 2026 northeast expansion drill programs covered an area of 580 meters north-south and 730 meters east-west past the current M&I boundary. • Results will inform the 2026 Pre-Feasibility Study. • Higher-grade gold expansion drilling inter

  10. Slide 10: Richmond Hill - Metallurgical test program results

    Richmond Hill - Metallurgical test program results A total of 24 master-composite column tests and 110 bottle-roll tests were completed. Results confirm that Richmond Hill is amenable to heap leaching, with positive gold recoveries supporting the Pre-Feasibility Study. Oxide material recoveries: • O

  11. Slide 11: Richmond Hill – Pre-Feasibility trade-off studies

    Richmond Hill – Pre-Feasibility trade-off studies • Mining and Stacking Tonnage Rates o IACF 30,000 tpd versus 60,000 tpd optimized mining throughput and stacking rate to maximize ounce profile, cash flow, LOM timeline, and overall project financials Conveyor Stack o Crushing and stacking rates will

  12. Slide 12: Richmond Hill - Location and infrastructure

    Richmond Hill Dakota Gold Project Map - Location and JB Gold Zone infrastructure Unionville Zone Location: Richmond Hill Proposed Powerline • Project 15-minute drive from 3 km north of Maitland Wharf headquarters in Lead Existing Powerline Labor: • South Dakota provides access to labor for Access ro

  13. Slide 13: Richmond Hill - timeline to production

    Richmond Hill - timeline to production - Targeting first gold production in 2029 through a disciplined, phased responsible development approach that systematically de-risks Richmond Hill. 2026 2027 2028 2029 2030 Pre-Feasibility Study Feasibility Study Baseline Data Collection Permitting - County Co

  14. Slide 14: Maitland Gold Project - High-grade exploration optionality

    Maitland Gold Project - High-grade exploration optionality Gold bearing Homestake Formation (red to blue; shallow to deep) Mined out ore bodies (Precambrian Au) Projected to the surface Gold Mineralization in Ledges DC Precambrian Au drill hole intercepts Projected to the surface Maitland Project Ho

  15. Slide 15: Maitland – JB Gold Zone analogous to West Ledge System

    Maitland – JB Gold Zone analogous to West Ledge System North South 2.5 m @ 5.25 g/t 6.4 m @ 1.5 m @ 9.46 g/t 8.24 g/t 4.4 m @ 2.0 m @ 25.03 g/t 4.70 g/t 5.5 m @ 3.84 g/t 3.2 m @ 300 10.01 g/t meters 6.4 m @ 4.77 g/t 5.0 m @ 19.54 g/t 21 Ledge 2.5 M oz Au 600 Meters Long Section View Homestake Mine 2

  16. Slide 16: Maitland – Unionville Zone

    Maitland – Unionville Zone • Extensive zone of continuous Tertiary Long Section (A-A’) epithermal gold mineralization A Target Extension Surface Rock Chip Samples • Open in all directions • Target extension strike extends for at least 2,000 meters (6,500 feet) • With inclusion of rock chip samples,

  17. Slide 17: Maitland – Unionville 2026 maiden resource infill drill plan

    Maitland – Unionville 2026 maiden resource infill drill plan • 5,578 meters (18,300 feet) infill drill campaign in 44 holes • Drilling in 2026 and maiden resource H1 2027 • Step-out drilling near underground workings with historic production, but no historic drilling or surface sampling • Conceptual

  18. Slide 18: NPV, IRR, Resource Size – USA heap leach developers

    NPV, IRR, Resource Size – USA heap leach developers • Relative positioning - after-tax NPV ($m) vs after-tax IRR (%) vs heap leachable Au resource (bubble size) of USA heap leach developer peer projects. Richmond Hill stands out with a significant resource size and an attractive after-tax NPV and IR

  19. Slide 19: Opportunity for increased valuation

    Opportunity for increased valuation • Opportunity for $EV/oz valuation to increase as Richmond Hill advances through Feasibility Study and into Production. 2026E 100 kozpa as EV (US$M) EV Developer US$EV/ Resource oz Company (US$M) Prod'n (AuEq koz) % of production per 100kozpa Alamos Gold $11,685 5

  20. Slide 20: Dakota Gold NYSE American: DC

    Dakota Gold Senior Management & Board Own ~8% Jan 1, 2025 – Sept 4, 2026 Dakota Gold 170% Spot Gold +68% NYSE American: DC Alignment with Shareholders​ Performance S&P 500 +31% CAPITAL STRUCTURE Robert Quartermain (in millions) (Jun 30, 2026) - Co-Chair and Director, 6.0% SSgA Funds, 5.5% Shares Out

  21. Slide 21: Dakota Gold is a Responsible Operator

    Dakota Gold is a Responsible Operator HEALTH AND SAFETY • Achieved 5 YEARS with ZERO Lost Time Incidents (2021 to 2025) ENVIRONMENT • ZERO Notice of Environmental Violations since commencing drill programs in 2022 COMMUNITY • More than $100 Million has been Invested in South Dakota from 2019 to 2024

  22. Slide 22: Management

    ~87% of Dakota Gold employees live in South Directors and Management Dakota with 10 South Dakota School of Mines alumni, students or former faculty Robert Quartermain Over 45 years in the mining and resource industry including past Executive Brian Iverson More than 30 years of experience in the util

  23. Slide 23: Significant Gold Optionality for Shareholders / 2026-2027 Milestones

    Significant Gold Optionality 2026 /2027 Milestones for Shareholders Richmond Hill – Advancing • Richmond Hill - S-K 1300 Initial Feasibility and Permitting Assessment with Cash Flow outlined • Infill and expansion drilling 2.6 Moz Au and 8.7 Moz Ag life of mine • Metallurgical testing production wit

  24. Slide 24: Appendix

    APPENDIX dakotagoldcorp.com | NYSE-A: DC 24

  25. Slide 25: Richmond Hill - IACF M&I plan capital & operating costs details

    Richmond Hill - IACF M&I plan capital & operating costs details Capital Cost Items (US$M) Initial Sustaining LOM LOM US$/tonne Operating Cost Items US$/oz Au (US$M) leached Ore Preparation $83.5 $0 $83.5 Mining $887.4 $5.27 $341 (Crush, Agglomerate, Stack) Heap Leach Pad & Ponds $23.3 $80.7 $104.0 P

  26. Slide 26: Richmond Hill – Metallurgical test program results

    Richmond Hill – Metallurgical test program results Extractions from Master-Composite Column Testing (CLT) vs Bottle-Roll Testing (BRT) Gold (Au) Silver (Ag) CLT CLT BRT CLT BRT Days of Extracted Extracted Tail Assay Calc'd Head Extracted Extracted Extracted Extracted Tail Assay Calc'd Head Extracted

  27. Slide 27: County and State Permits – Mining permit pathways

    County and State Permits – Mining permit pathways Large Scale Mine Permit Conditional Use Permit State — SD DANR County — Lawrence County 1 Baseline Data 1 Conditional Use Permit 2025 pre-submission meetings; baseline plan approved. Required for specific land uses such as mining. 2 File Notice of In

  28. Slide 28: Wharf Mine Compared to Richmond Hill IACF

    Wharf Mine Compared to Richmond Hill IACF Richmond Hill Richmond Hill Wharf Mine Richmond Hill Reserves and Wharf Mine Resource Resource @ (IACF M&I mine plan – July 2025) Resources (Dec 2024) Wharf Reserve (Feb 2025) Cut-off Free Cash Flow $100.1 million (9mos Sept 2025) 757,000 P&P Reserves (0.81

  29. Slide 29: U.S. Gold production and consumption

    U.S. Gold production and consumption Historical U.S. Annual Gold Production 1 • U.S. Executive Order (March 20, 2025) designated critical YEARS TONNES minerals as well as gold as a focus for development in securing 2000 302 U.S. domestic supply. 2 2010 209 2020 175 • Current U.S. gold production doe

  30. Slide 30: Gold and Silver in cell phones and data center servers

    Gold and Silver in cell phones and data center servers • In addition to the conventional uses for gold and silver in investment and jewelry, they are critical to our everyday use in items such as cell phones and data center servers. Data Centers Cell Phones • Based on the workload of servers in AI d

  31. Slide 31: U.S. Silver production and consumption

    U.S. Silver production and consumption Historical U.S. Annual Silver Production 1 YEARS TONNES • Silver added to the Department of Interior USGS Critical Minerals 2020 979 List on November 6, 2025 2 due to growing federal recognition of 2021 925 its importance to the U.S. economy and national securi

  32. Slide 32: Media and Investor Relations

    MEDIA AND INVESTOR RELATIONS Jack Henris Chief Executive Officer, President and Director O +1 605 717 2540 Shawn Campbell Chief Financial and Development Officer info@dakotagoldcorp.com O +1 778 655 9638 Carling Gaze @dakotagoldcorp Director of Investor Relations O +1 605 679 7429 linkedin.com/compa

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