Dakota Gold Corp. · AMEX:DC
Dakota Gold — H.C. Wainwright & Co. 28th Annual Global Investment Conference (September 2026)
22 slides from Dakota Gold's conference presentation, Sep 14, 2026
Slide 1: Building the Next Gold Mine in the Homestake District
Building the Next Gold Mine in the Homestake District NYSE American: DC H.C. Wainwright & Co. 28th Annual Global Investment Conference September 14, 2026 dakotagoldcorp.com
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Slide 16: 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
Slide 17: 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
Slide 18: 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
Slide 19: 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
Slide 20: 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
Slide 21: 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
Slide 22: NYSE American: DC
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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