Horizon Gold Ltd. · ASX:HRN
Horizon Gold — Technical Presentation (July 2026)
25 slides from Horizon Gold's technical presentation, Jul 22, 2026
Slide 1: Definitive Feasibility Study Presentation
Definitive Feasibility Study Presentation Gum Creek Gold Project July 2026 horizongold.com.au ASX: HRN 1
Slide 2: Important Information and Disclaimer
Important Information and Disclaimer Disclaimer This presentation has been prepared by Horizon Gold Limited (“HRN”, “Horizon” or “Company”). This presentation contains general and background information about Horizon’s activities current as at the date of the presentation and should not be considere
Slide 3: Production Target
Important Information and Disclaimer Production Target The Production Target (and forecast financial information derived from the Production Target) referred to in this presentation is underpinned by 76% Probable Ore Reserves, 18% Indicated Resource ounces outside of the Ore Reserves and 6% Inferred
Slide 4: Forward-looking Statements
Important Information and Disclaimer Forward-looking Statements (Continued) No representation, warranty or assurance, express or implied, is given or made in relation to any forward-looking statement. In particular no representation, warranty or assumption, express or implied, is given in relation t
Slide 5: No New Information or Data
Important Information and Disclaimer No New Information or Data (Continued) This Presentation contains references to Ore Reserves extracted from the Company’s previous announcement titled “Gum Creek Open Pit DFS Confirms Pathway for WA’s Next Major Gold Mine Development” dated 22 July 2026, which is
Slide 6: Gum Creek Gold Project
Gum Creek Gold Project Large-scale, free milling open pit restart 25.1 Mt at 1.19 g/t Au for 962 Koz (mined oz) 880koz recovered over 10 years Production target underpinned predominately by Ore Reserve Estimate of 18.2Mt at 1.24g/t Au for 728koz contained Open Pit Mining DFS Shallow, free mi
Slide 7: Open Pit DFS Highlights
Open Pit DFS Highlights 880koz produced over 10 years Open Pit Production Target of (98kozpa for first five years) 25.1 Mt at 1.19 g/t Au for 962 Koz LOM free cash flow of A$1,854m Pre-production capex of A$350m NPV5 of A$1,307m & IRR of 53.1% (incl. contingency & commissioning) Strong margin, low A
Slide 8: Key Study Outcomes
Key Study Outcomes Key Physical Targets Capital Costs Key Financial Forecasts and Assumptions Life of Mine years 10 Pre-production A$m 350.4 Gold Price A$/oz 5,500 Capital Plant Throughput Mtpa 2.4 Discount Rate % 5 Sustaining Capital A$m 62.9 Mine Production Project Valuation Strip Ratio x 9.6 EBIT
Slide 9: Financials & Sensitivity
Financials & Sensitivity Base Case Key Financial Indicator Unit A$4,000/oz A$4,500/oz A$5,000/oz A$5,500/oz A$6,000/oz A$6,500/oz A$7,000/oz NPV5 (Pre-tax) A$m 335 659 983 1,307 1,631 1,955 2,279 IRR (Pre-tax) % 19.5 31.4 42.5 53.1 63.4 73.4 83.1 Payback (Pre-tax) Years 4.17 3.42 2.50 1.92 1.67 1.50
Slide 10: Open Pit Mine Plan
Open Pit Mine Plan A technically robust open pit mine plan Average annual gold production of 98kozpa over the first five years, with a life of mine production target of 880koz recovered over a 10-year mine life based on the following mining metrics: Open Pit Production Target: 25.1 Mt at 1.19g/t Au
Slide 11: Mineral Resources & Maiden Ore Reserves
Mineral Resources & Maiden Ore Reserves Cut-off Tonnes Grade Au Metal Classification (g/t)1 (Mt) (g/t) (koz) Mineral Resources Indicated Various1 26.7 1.9 1,629 Inferred Various1 11.3 1.86 672 Total 40 1.89 2,302 Open Pit Ore Reserves Probable 0.3 18.2 1.24 728 Total 18.2 1.24 728 Open Pit Productio
Slide 12: Gidgee Mining Area
Gidgee Mining Area +7km long mineralised system hosting 1.05Moz at 2.17g/t Au1 adjacent to the proposed processing plant The Gidgee Shear Zone contributes 559koz at 1.34g/t Au2 to the Open Pit Mining DFS production profile Free milling underground resources of 416koz at 3.6g/t Au1 at Swan, Swi
Slide 13: Conventional Processing
Conventional Processing Simple Free Milling Metallurgy The DFS process design incorporates conventional three stage crushing, single stage ball milling, gravity gold recovery, Carbon in Leach (CIL), elution & smelting with the following metrics: Total Gold Recovery: 91.5% Gravity Gold Recovery:
Slide 14: Approvals on track for Q2 2027
Approvals on track for Q2 2027 Simple Permitting Pathway on granted Mining Leases Extensive Flora, Fauna & Heritage Surveys completed All priority deposits lie on granted Mining Leases The project has an approved Mining Proposal to recommence mining and an associated clearing permit valid unti
Slide 15: Pathway to Production
Pathway to Production Note that timing may vary 15
Slide 16: Swan Underground Upside
Swan Underground Upside A large free milling high-grade underground resource at Swan currently sits below the DFS Pit design Swan Underground MRE currently stands at 1.73Mt @ 4.19g/t Au for 233,700 ounces (57% Indicated)1 Significant amount of unmined high- grade shoots near existing underground
Slide 17: Kingfisher Underground Upside
Kingfisher Underground Upside A significant free-milling high-grade resource at Kingfisher currently sits outside the DFS Pit Design Kingfisher Underground MRE currently stands at 1.04Mt @ 3.38g/t Au for 113,500 ounces1 3.5 km south of the Gidgee Mill Historical Production: Open Pit: 265koz
Slide 18: Wilsons Underground Upside
Wilsons Underground Upside A large, high-grade underground sulphide resource at Wilsons currently sits outside the DFS mine plan Wilsons Underground MRE stands at 2.9Mt at 4.31g/t Au for 400koz (97% Indicated)1 Total sulphide material in the Gum Creek MRE comprises 9.3Mt at 2.3g/t Au for 698koz
Slide 19: Upside Opportunities
Upside Opportunities Active drilling aimed at expanding Optionality to consider low free milling underground capex early starter options resources of 416koz at 3.6g/t Au1 Open Pit DFS excludes Wilsons Plant expandability to 3.0Mtpa underground resource of nameplate free milling capacity 400koz at 4.
Slide 20: Investment Highlights
Investment Highlights Large-scale, free milling open pit restart Current mineral resource of 37.97Mt at 1.89g/t Au for 2.30Moz (71% indicated)1 on granted mining leases Maiden open pit ore reserve of 18.2Mt at 1.24g/t Au for 728koz and open pit production target of 25.1Mt at 1.19g/t Au for 962ko
Slide 21: Contact Us
CONTACT US Scott Williamson Managing Director and CEO info@horizongold.com.au horizongold.com.au ASX: HRN 21
Slide 22: Board and Management
Board and Management Directors Key Management Peter Sullivan Scott Williamson Leigh Ryan Non-Executive Chairman Managing Director and CEO General Manager - Exploration • Engineer with an MBA and 30+ years' experience • Experienced Mining Engineer with a background in • Qualified geologist with 30+ y
Slide 23: Corporate Overview
Corporate Overview Capitalisation Summary Shareholder Summary Unit ASX:HRN Share Price* A$ 0.91 Shares on Issue* M 195 Zeta Resources Market Capitalisation* A$m ~177 Directors & Management Cash (30 June 2026) A$m 24 Other Shareholders Debt (30 June 2026) A$m Nil Enterprise Value* A$m 153 12 Month Sh
Slide 24: Gum Creek Gold Project Mineral Resource
Gum Creek Gold Project Mineral Resource 1,2 Cut-off Indicated Inferred Total Resource Resource Date grade (g/t Tonnes Au (g/t) Gold (oz) Tonnes Au (g/t) Gold (oz) Tonnes Au (g/t) Gold (oz) Au) Swan/Swift OC Nov-25 0.4 6,661,000 1.86 399,000 335,000 1.54 16,600 6,996,000 1.85 415,600 Swan UG* Nov-25
Slide 25: Gum Creek Gold Project Ore Reserve
Gum Creek Gold Project Ore Reserve* Ore Tonnes Grade Au Metal Deposit Classification (Mt) (g/t) (koz) Eagle Probable 0.8 0.99 25 Hawk Probable 0.7 1.07 25 Howards Probable 5.8 0.99 186 Hyperno-Reliance Probable 0.3 1.23 12 Kingfisher Probable 1.5 1.51 71 Swan/Swift Probable 8.6 1.42 392 Wedge Probab