Slide 1: Unlocking the next multi million-ounce gold system
1 Unlocking the next multi million-ounce gold system across the Yandal Greenstone Belt For personal use only Resources Rising Stars Presentation April 2026 Richard Pugh, Chief Executive Officer 1
Slide 2: Important Information and Disclaimer
2 Important Information and Disclaimer Forward Looking Statements ▪ This presentation has been prepared by Gateway Mining Ltd (GML). The information contained in this presentation is a professional opinion only and is given in good faith. Certain information in this document has been derived from th
Slide 3: Highly Successful and Experienced Leadership Team
3 Highly Successful and Experienced Leadership Team ▪ +15 years experience in formation, financing and development of natural resources companies, including Andrew Bray For personal use only Strickland Metals Ltd, Silver Mines Ltd, Futura Resources Ltd, amongst others. Executive Chairman ▪ Former Ch
Slide 4: Corporate Summary
4 Corporate Summary CAPITAL STRUCTURE (as at 7 April 2026) ASX Ticker GML For personal use only Shares on issue 2,322,814,859 Options on issue1 91,558,083 Performance Rights (12.5c, 17.5c and 25c) 60,750,000 Cash and liquids3 $28.7M Share Price $0.067 Market Capitalisation ~$156M 1. 71,558,083 optio
Slide 5: A busy eight months…
5 A busy eight months… ........but we’re only just getting started For personal use only Completion of Key Mineralised Acquisition of Yandal Trends Identified High Grade Gold Large gold nugget Major Drilling Gold Project from across Yandal Samples at Great haul at Great Programs Emerging Gold New Hu
Slide 6: Project Overview
6 Project Overview For personal use only ▪ Within 50km of Northern Star’s Yandal Operations Centre. ▪ >400koz Mineral Resource Estimate.1 1. Refer to Appendix A for further details regarding Yandal Mineral Resource Estimate.
Slide 7: Project Overview
7 Project Overview For personal use only ▪ 70km of prospective greenstone belt. ▪ Current resource base spans 3km of strike, >60km remaining largely untested. ▪ Historic exploration focused purely on central Celia Shear structure. ▪ Only 26% of historic drilling reaches depths greater than 100m deem
Slide 8: Key Target Areas
8 Key Target Areas Priority regional target zones have potential for major discoveries For personal use only ▪ Great Western ▪ Mustang ▪ Dusk ‘til Dawn
Slide 9: Great Western
9 Great Western High priority splay corridor with gold anomalism previously untested by drilling For personal use only ▪ Drilling by previous holder targeted the intrusion itself – no follow up. ▪ Extremely strong Mo-Bi-Te anomalism remained unexplained. ▪ Mafic-intermediate contact. ▪ Significant s
Slide 10: Great Western
10 Great Western High priority splay corridor with gold anomalism previously untested by drilling For personal use only ▪ GML soil sampling and lag sampling identified key gold trends.1 ▪ Follow-up prospecting activities have returned over 1,000 gold nuggets around the margin of the Great Western In
Slide 11: Great Western
11 Great Western Confirmation of significant gold mineralisation Cautionary Statement: Visual estimates of mineral abundance should never be considered a proxy or substitute For personal use only for laboratory analyses where concentrations or grades are the factor of principal economic interest. Vi
Slide 12: Key Target Areas
12 Key Target Areas Priority regional target zones have potential for major discoveries For personal use only ▪ Great Western ▪ Mustang ▪ Dusk ‘til Dawn
Slide 13: Mustang
13 Mustang Analogous Horse Well camp identified at Mustang For personal use only ▪ Multielement geochemistry by GML accurately mapped key lithologies. ▪ Same contact position immediately to the south hosts high grade mineralization across Horse Well. ▪ Historic BOH +0.1g/t Au identified in old RAB a
Slide 14: Mustang
Mustang 14 Large Scale Emerging Gold System ▪ Aircore drilling highlighting an emerging, For personal use only extensive gold system. ▪ Multiple areas requiring tighter-spaced follow-up drilling. • First significant discoveries – • Haflinger: 52m @ 1.4g/t Au.¹ • Hummer: 16m @ 1.0g/t Au.² • Rubicon:
Slide 15: Mustang
Mustang 15 Large Scale Emerging Gold System For personal use only ▪ Historic drilling deemed ineffective under areas of cover. ▪ Exploration strategy by GML is effectively testing these primary mineralized structures. ▪ >60km project remaining largely untested.
Slide 16: Key Target Areas
16 Key Target Areas Priority regional target zones have potential for major discoveries For personal use only ▪ Great Western ▪ Mustang ▪ Dusk ‘til Dawn
Slide 17: Dusk 'til Dawn
Dusk ‘til Dawn 17 Advanced gold targets – potential for major discovery ▪ Extensive geophysical work has defined key intrusions.1 For personal use only ▪ Alteration and large Au-Mo-Cu-Bi-Te geochemical trends coincident with intrusive features. ▪ Very large hydrothermal system. ▪ RC drilling planned
Slide 18: Horse Well Mineral Resources
Horse Well Mineral Resources 18 For personal use only
Slide 19: Horse Well Mineral Resources
Horse Well Mineral Resources 19 ▪ Mineral resource estimates have been completed across Palomino, Warmblood, Bronco and Filly For personal use only Central. ▪ All resources are from surface and remain open down dip and plunge. ▪ Large portions of modelled mineralisation remains ‘unclassified’ and is
Slide 20: Other Projects – Glenburgh South
20 Other Projects – Glenburgh South Strategic Acquisition in High Prospective location1 ▪ Adjacent to Benz Mining For personal use only Corp’s Glenburgh Project. ▪ Early signs of similar mineralisation. ▪ Repeat fault structure to the south of Glenburgh. ▪ Airborne magnetic survey completed2 with su
Slide 21: Other Projects – Barrelmaker
21 Other Projects – Barrelmaker ▪ 80km of prospective strike within the Gum For personal use only Creek Greenstone Belt. ▪ Historic drill intercepts include1: ▪ 22m @ 2.3g/t Au ▪ 11m @ 4.5g/t Au ▪ Systematic exploration work is ongoing and includes lithogeochemistry of existing drill samples to bett
Slide 22: Summary
22 Summary For personal use only Key Takeaway ▪ Fully funded explorer with a pipeline of high priority exploration targets. ▪ Drastically underexplored Tier 1 greenstone belt, that is host to numerous deposits ranging from +1Moz to +10Moz Au. ▪ Within 50km of Northern Star’s Yandal Operations Centre
Slide 23: Appendix A: Yandal Inferred Mineral Resource Estimates
23 Appendix A: Yandal Inferred Mineral Resource Estimates Prospect Tonnes (t) Au (g/t) Au (oz) Cut-off Palomino Pit 1,963,000 1.84 116,000 0.5 For personal use only Palomino UG 155,000 2.69 13,500 2.0 Palomino Total 2,118,000 1.90 129,500 - Warmblood 1,656,000 2.37 126,000 0.5 Filly 581,000 1.15 21,
Slide 24: Thank You
24 For personal use only Thank You Contact Details Level 4, 15 Ogilvie Road, Mount Pleasant WA 6153, Australia info@gatewaymining.com.au +61 8 6317 9875 www.gatewaymining.com.au