Koba Resources Limited · ASX:KOB
Koba Resources — RIU Sydney Resources Round-up Conference 2026
29 slides from Koba Resources's conference presentation, May 6, 2026
Slide 1: RIU Sydney Resources Round-up Conference Presentation
6 MAY 2026 ASX RELEASE RIU SYDNEY RESOURCES ROUND-UP CONFERENCE PRESENTATION Koba Resources Limited (ASX:KOB “Company”) attaches a copy of the presentation that its Managing Director Ben Vallerine will present at the RIU Sydney Resources Round-up Conference at 1.45pm (AEST) on Wednesday 6 May 2026.
Slide 2: Diversified Australian critical minerals explorer
1 Booth #11 Diversified Australian critical minerals explorer High-grade tin-tungsten in a historically prolific district in Queensland Highly prospective uranium project in Australia’s premier jurisdiction, South Australia Ben Vallerine Managing Director ASX:KOB | kobaresources.com RIU Sydney Resou
Slide 3: Investment Highlights
Investment Highlights Tin-Tungsten Projects Uranium Projects Supportive jurisdictions Maiden drilling planned for current 4 discoveries in 2024-25 with very strong Projects in tier one locations of quarter to test high-grade targets results continuing at Everest in May 2026. QLD and SA Experienced T
Slide 4: Capital Structure and Experienced Board
Capital Structure Experienced Board Share price MIKE HAYNES | Non-Executive Chairman o 30 years’ experience in international resources industry. Shares on issue o Worked extensively on project generation and acquisition. 285.7m $0.036* o Past 20 years involved in the incorporation and IPOs of numero
Slide 5: Stannary Hills and Mt Garnet Tin-Tungsten Projects, Queensland
Stannary Hills and Mt Garnet Tin-Tungsten Projects, Queensland Active exploration in an historically prolific district New projects – acquired in October 2025. Within the Herberton Tin Field, Australia’s second most prolific tin producing region. Significant historic tungsten production of 12,
Slide 6: Stannary Hills and Mt Garnet: A tier-1 jurisdiction
Stannary Hills and Mt Garnet Tin-Tungsten Projects A tier-1 jurisdiction o Projects located <100km southwest of Cairns, QLD. o 432km2 of highly-prospective granted tenure in the highly endowed Herberton Tin Field. o Within Koba’s projects there are numerous historic tin mines, with the largest mines
Slide 7: Imminent drill program
Stannary Hills and Mt Garnet Tin-Tungsten Projects Imminent drill program o Nearing completion of the permitting and approvals process to commence a minimum 6,000m drilling program later this quarter. o Initial drill program will target 4 priority prospects across both projects: o The Kitchener Tren
Slide 8: Stannary Hills Tin-Tungsten Project
Stannary Hills Tin-Tungsten Project 79km2 project with numerous high-quality targets o Over 100 historical mines operated within the project area from 1880 – 1985. o Only 85 holes drilled for 3,985m. o No drilling since 1985. o Assays up to 26.1% Sn in Koba’s initial reconnaissance sampling, which c
Slide 9: Stannary Hills - Kitchener Trend
Stannary Hills - Kitchener Trend Northern section defined by high-grade tin mines over 1.3km of strike o 7 high-grade mines produced ~120,000 tonnes of ore at ~2.3% Sn over 1.3km of strike. o Mining initially occurred between 1880 and 1930 with reactivation in the 1970s ending in 1985. o Significant
Slide 10: Stannary Hills - Kitchener Trend
Stannary Hills - Kitchener Trend Phase 1 drilling to test high-priority drill targets o First phase of drilling at Kitchener to target multiple high-grade, poorly-drilled historical mines to: o Confirm high-grade mineralisation; o Test lateral extents of high-grade unmined mineralisation; o Test dep
Slide 11: Stannary Hills - Jiminy Prospect
Stannary Hills - Jiminy Prospect Extensive high-grade rock chips and soil anomalism o High-tenor, large 1.5km x 0.3km tin-in-soil anomaly delineated from previous sampling. o Centred on multiple historical mines. o Extensive high-grade outcropping mineralisation sampled recently over the soil anomal
Slide 12: Mt Garnet Tin-Tungsten Project
Mt Garnet Tin-Tungsten Project High Priority Gilmore Mine and Stannex Prospect Mt Garnet Project
Slide 13: Mt Garnet: Gilmore Mine
Mt Garnet Tin-Tungsten Project Gilmore Mine: Historic Tin Production o Historic production from the Gilmore Mine: o 26,169 tonnes @ 7.6% Sn. o Mining ceased in 1980. o Limited exploration drilling (in 1980) indicates high-grade mineralisation remains. Significant drill results included: o 1.0m @ 5.2
Slide 14: Mt Garnet - Stannex Prospect
Mt Garnet - Stannex Prospect ~1km northeast of the high-grade Gilmore Mine o 2.0km x 0.5km, high-tenor, tin-in-soil anomaly delineated from previous soil sampling. o Widespread, extremely high-grade tin mineralisation sampled along the soil anomaly, with assays up to 21.3% Sn. o Soil anomaly remains
Slide 15: Mt Garnet: Additional high-grade tungsten potential
Mt Garnet Tin-Tungsten Project Additional High-grade tungsten potential o ~125km south of the Mt Carbine Tungsten Mine which hosts 41.70Mt @ 0.23% WO3 (EQ Resources)2. o 12,260 tonnes of tungsten produced from the historic Herberton district. o Extremely high-grade tungsten results from rock chip sa
Slide 16: Global Tin Market
Global Tin Market Rising demand, disrupted supply, ongoing deficit o Tin price reached an all-time high in January o Increasing demand as tin benefits from its role in 2026 and remains very high at ~US$49,000T. electrification and new technologies. o Tin price’s steady rise attributable to supply- o
Slide 17: Timeline – 2026 Programs
Timeline – 2026 Programs Stannary Hills and Mt Garnet Tin-Tungsten Projects Activity May June July August September October November December January STANNARY HILLS AND MT GARNET TIN-TUNGSTEN Tungsten Sampling Program RC Drilling – Kitchener, Stannex, Jiminy & Gilmore (>6,000m) Drill Results Soil Sa
Slide 18: Yarramba Uranium Project, South Australia
Yarramba Uranium Project, South Australia Located in a World-Class Uranium District Proximal to two operating in-situ recovery uranium mines. o Koba acquired the project in 2024, it is located: o 120km southeast of the Beverley Uranium Operation: o 165Mlbs @ 2,766ppm U3O8 of resources.2 o Production
Slide 19: Yarramba Palaeochannel
Yarramba Palaeochannel Globally significant uranium resources 50Mlbs of uranium resources in a 35km stretch of the Yarramba Palaeochannel. o Honeymoon Mine (Boss Energy) o 17km south of Koba’s Yarramba Project. o 36Mlbs @ 660ppm U3O8. o Commercial production declared 1 January 2025. o Jason Deposit
Slide 20: Yarramba Uranium Project
Yarramba Uranium Project Over 250km of highly-endowed palaeochannels Strong potential for a significant uranium discovery. o Koba has over 5,000km2 of highly-prospective tenure which includes: o Over 250km of uranium-bearing palaeochannels; which are o Along strike from 50Mlbs of uranium resources.
Slide 21: Koba Made Four High-Grade Discoveries During 2024-25
Koba Made Four High-Grade Discoveries During 2024-25 Discoveries at the Everest, Berber, Delord, and Chivas Prospects. o Since acquisition in 2024 Koba has completed 164 holes for >17,000m during multiple drilling programs and multiple discoveries including: o Everest, 6km of mineralised trend with
Slide 22: Everest Prospect
Everest Prospect A significant discovery in 2025 Multiple high-grade drill intercepts >1,000ppm eU3O8 over 6km of strike along two high-grade trends. o A highly successful follow-up program completed in April 2026 has delivered the thickest and highest-grade intersections to date, further demonstrat
Slide 23: The Everest Bend
The Everest Bend a compelling new high-grade opportunity Recent drilling discovered the high-grade Everest Trend divides into two - the new trend bends and strikes west. o The highest grades to date are located where the trends diverge. o Drill lines defining the Everest Bend are 1km apart and open
Slide 24: Oban Uranium Deposit
Oban Uranium Deposit Koba’s most advanced uranium prospect Potential to expand the resource base through step out drilling and discovery. o Significant drill results include: o 7.5m @ 831ppm eU3O8; o 2.12m @ 2,236ppm eU3O8; o 7.5m @ 831ppm eU3O8; and o 3.9m @ 1,104pm eU3O8. o During 2024-25 Koba com
Slide 25: Berber Prospect
Berber Prospect High-grade results – room for expansion Approximately 1.5km south of the Oban Deposit. o Berber was first identified in the 1990s when ten holes were drilled. o Koba discovered thicker and higher-grade mineralisation >350m further east, with significant results including: o 1.6m @ 1,
Slide 26: Discovery of the high-grade Delord Prospect
Discovery of the high-grade Delord Prospect Between Oban and Berber o Following the success at Berber, Koba commenced testing the 1.5km sparsely drilled corridor between Oban and Berber in September 2025. o The initial test was highly successful with the discovery of the Delord Prospect. Drill resul
Slide 27: Forward Work Plan and Timeline
Forward Work Plan and Timeline Yarramba Uranium Project o ~2,670m drill program completed at the Everest Prospect during April. o Outstanding drilling results released this week. o Follow-up drilling programs planned at the Everest, Berber and Delord Prospects in H2 2026 to follow-up Koba’s high-gra
Slide 28: Disclaimer
Disclaimer This presentation prepared by Koba Resources Limited (“Company”) does not purport to contain all the information that a from the expectations, intentions and strategies described in this announcement. The forward-looking statements are made prospective investor may require in connection w
Slide 29: Contact
Contact The Oban Deposit Area Ben Vallerine Managing Director & CEO Ground Floor, 215 Hay Street Subiaco, Western Australia, 6008 Phone: +61 8 9226 1356 Mobile: +61 4 3997 0595 Email: info@kobaresources.com kobaresources.com Alex Cowie Investor Relations Mobile: +61 412 952 610 alexc@nwrcommunicatio
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