Maritana Minerals Limited · ASX:MRT
Maritana Minerals — Horizon Minerals — MiningNews Select Conference 2025
24 slides from Maritana Minerals's conference presentation, Jul 1, 2025
Slide 1: An Emerging Standalone Gold Producer
For personal use only An Emerging Standalone Gold Producer MiningNews Select Conference | 1-2 July 2025
Slide 2: Important disclaimers
Important disclaimers Nature of Document They include indications of, and guidance on, future earnings, cash flow, costs and financial performance. Forward looking statements include, but are not limited to, statements preceded by words such as “planned”, “expected”, This Presentation is provided on
Slide 3: Enhanced Board and Leadership
Enhanced Board and Leadership Ashok Parekh – Non-Executive Chairman Grant Haywood – Managing Director For personal use only • Chartered accountant with over 40 years’ experience who owns a large • Mining Engineer with over 30 years’ experience in underground and open Accounting Practice in Kalgoorli
Slide 4: Horizon Minerals – at a glance
Horizon Minerals – at a glance Capital structure Units Existing For personal use only Share price $/sh $0.051(1) No. of ordinary shares M 2,466.0 Market capitalization $M 125.8 Cash and cash equivalents $M ~15.5(1) Debt $M 5.8(1) Enterprise value $M 116.1 1.8MOZ +$30M 2.2Mtpa 1,309km² Gold Mineral R
Slide 5: Our strategy
Our strategy Defined pathway to becoming a new independent Australian gold producer For personal use only Inflection point for Control of 100%-owned Large resource base to All elements in steady cash flow processing support standalone generation infrastructure gold production place to support aspira
Slide 6: A strategic project portfolio
A strategic project portfolio 1.8Moz of Resources; 2.2Mtpa processing facility; 1,309km2 of exploration tenure • Acquisition of Poseidon completed in February 2025, For personal use only granting Horizon ownership of the 2.2Mtpa Black Swan processing facility (currently on care & maintenance) • Esti
Slide 7: Portfolio overview
For personal use only Portfolio overview Complementary assets with wide Resource growth potential
Slide 8: Boorara Gold Project
Boorara Gold Project Continuous gold production via an Ore Sale Agreement For personal use only • First gold pour from the Boorara Gold Project achieved on 14 January 2025 • Binding Ore Sale Agreement for processing 1.24Mt of Boorara ore at Paddington until Q2 2026 • Cash flows of +A$30M1 at gold pr
Slide 9: Phillips Find
Phillips Find Delivery of additional gold ounces under a toll milling agreement For personal use only • Low financial risk Joint Venture (JV) Agreement with mining specialists BML Ventures Pty Limited (BML) to fund all project costs and undertake all management, technical, operational and maintenanc
Slide 10: Poseidon’s Black Swan processing facility
Poseidon’s Black Swan processing facility 2.2Mtpa processing facility strategically located ~40km north of Kalgoorlie • 2.2Mtpa processing facility (C&M) and associated For personal use only infrastructure • Optionality for an initial 1.5Mtpa throughput • Black Swan concentrator readily amenable to
Slide 11: Poseidon’s Black Swan process facility
Poseidon’s Black Swan process facility Existing flotation circuit and planned changes to facilitate gold production For personal use only Gold conversion Carbon Elution Gold room Au in leach Ag/Zn + Ni Crush Grind Flotation Concentrates Refurbishment Future refurbishment option 11
Slide 12: Strong pipeline to support Black Swan
Strong pipeline to support Black Swan Horizon’s 30Mt of existing gold Resources with ~50,000m of drilling budgeted in FY25/261 For personal use only Black Swan Ni Nimbus Zn/Ag Coote Cannon Greater Boorara Crake Burbanks Phillips Find Wilson’s Teal Penny’s Find Boorara Rose Hill Kalpini ~300koz ~700k
Slide 13: Reinvigorated exploration strategy
Reinvigorated exploration strategy Clear focus on improving Resource confidence and growing mineable ounces • Resources of 1.8Moz on prolific geological structures For personal use only around Kalgoorlie / Coolgardie • Continuous 50,000m drilling programme to expand and improve confidence in current
Slide 14: Burbanks project
Burbanks project Significant Resource upside to be unlocked from a key cornerstone asset with scale and grade • Located on a granted mining lease 9km south of For personal use only Coolgardie • Supported by a network of existing infrastructure including grid power and sealed roads • Historic product
Slide 15: Poseidon’s Black Swan – gold prospectivity
Poseidon’s Black Swan – gold prospectivity Untested gold anomalies emerging adjacent to the process plant infrastructure • Limited previous gold focused exploration in the area – only 5% For personal use only of drill assays have tested for gold • Drill intersections grading up to 6.41g/t Au • Wide
Slide 16: Platform for regional consolidation
Platform for regional consolidation >1Moz of gold resources in region are without a clear processing solution • Opportunities for non-producers to access third For personal use only party gold processing infrastructure in the WA Goldfields is becoming increasingly difficult • Conversion of a 2.2Mtpa
Slide 17: Operational timeline
Operational timeline Indicative timeline of upcoming cash flow and pathway to gold from Black Swan For personal use only Target key workstreams 2025 2026 (Forward 24 months) Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Boorara gold production 🗸 Phillips Find gold production 🗸 Additional toll treatment/ore sales Black…
Slide 18: An Emerging Standalone Gold Producer
An Emerging Standalone Gold Producer Sustained cash flow generation Pursuing a low-risk, low-capital For personal use only from gold produced at Boorara approach to gold production and Phillips Find through toll milling and ore sales Current agreements allow for Black Swan study advancing to consist
Slide 19: Contact
For personal use only Contact Grant Haywood Managing Director and CEO +61 (08) 9386 9534 admin@horizonminerals.com.au www.horizonminerals.com.au PO Box 1064 West Perth WA 6872
Slide 20: Appendices
For personal use only Appendices
Slide 21: Mineral Resource Estimate – Gold projects
Mineral Resource Estimate Gold projects Cutoff Measured Indicated Inferred Total For personal use only Project Au g/t Mt Au g/t Oz Mt Au g/t Oz Mt Au g/t Oz Mt Au g/t Oz Boorara OP 0.5 1.12 1.22 43,700 6.85 1.28 281,100 2.56 1.26 103,500 10.53 1.27 428,300 Burbanks OP 0.5 - - - 1.43 2.02 92,800 3.43
Slide 22: Ore Reserve Estimate
Ore Reserve Estimate Gold projects Cannon Ore Reserve For personal use only Category Tonnes Au (g/t) Ounces Proven Reserve – – – Probable Reserve 135,000 4.1 17,680 Total Reserve 135,000 4.1 17,680 Boorara Ore Reserve Tonnes Location Reserve Category Au (g/t) Gold Metal (kOz) (Mt) Proved 636.8 1.25
Slide 23: Mineral Resource Estimate – Nimbus silver-zinc project
Mineral Resource Estimate Nimbus silver-zinc project Nimbus All Lodes (bottom cuts 12 g/t Ag, 0.5% Zn, 0.3g/t Au) For personal use only Category Mt Ag (g/t) Au (g/t) Zn (%) Ag (Moz) Au (kt) Zn (kt) Measured Resource 3.62 102 0.09 1.2 11.9 10 45 Indicated Resource 3.18 48 0.21 1.0 4.9 21 30 Inferred
Slide 24: Mineral Resource & Ore Reserve disclosure
Mineral Resource & Ore Reserve disclosure Confirmations Horizon’s Gold Mineral Resources For personal use only The information in this report that relates to Horizon’s Mineral Resources estimates is extracted from and was originally reported in Horizon’s ASX announcements: “Updated Boorara Mineral R