Mgx Resources Limited · ASX:MGX
Mgx Resources — Mount Gibson Iron — Shareholder Meeting (November 2025)
19 slides from Mgx Resources's shareholder meeting presentation, Nov 12, 2025
Slide 1: CEO Presentation - Annual General Meeting
Mount Gibson Iron Limited MGX For personal use only CEO Presentation Annual General Meeting Aerial view of the Central Tanami Gold Project plant site, accommodation 12 November 2025 camp, airstrip and Hurricane-Repulse open pit, May 2025.
Slide 2: Disclaimer and Forward-Looking Statements
Disclaimer and Forward-Looking Statements For personal use only This Document may not be reproduced, redistributed or passed on, directly or indirectly, to any other person, or published, in whole or in part, for any purpose without prior written approval from Mount Gibson Iron Limited. This Documen
Slide 3: Current Business Overview
Current Business Overview Koolan Corporate For personal use only Island Substantial cash and investment reserves of ⚫ $473 million at 30 September 2025, no bank borrowings. ⚫ Derby Broome ⚫ Agreement to acquire 50% interest of the Central Tanami Gold Project is an initial step in building a gold pro
Slide 4: Corporate Overview
Corporate Overview MGX Share Price Issued shares 1,180 million shares For personal use only (last 12 months) Market capitalisation A$440 million ($0.375/share) Cash/investments A$473 million (30 September 2025) Bank Borrowings Nil Shareholder Distribution (% issued shares) Board and Management 0.5%
Slide 5: Koolan Island
Koolan Island Current status Significant rockfall occurred on eastern footwall late on For personal use only 16 October. No injuries occurred and mining was suspended. Further monitoring will occur during the wet season to assess the damage, its impact on geotechnical stability of the adjacent footw
Slide 6: Koolan Island: Processing and sales of remaining low-grade stockpiles underway
Koolan Island Processing and sales of remaining low-grade stockpiles are underway For personal use only Processing and shiploading operations, early November 2025 6
Slide 7: Robust balance sheet provides a base for future growth
Robust balance sheet provides a base for future growth Net Cash and Investment Holdings Backing per Share For personal use only 600 60 Cash & Investment Reserves ($M - LHS) 500 485 50 473 Net Cash & Investments (AUD cps) Total Cash & Liquid Investments Backing 462 460 Net Cash & Investments (AUD$m)
Slide 8: Central Tanami Project Joint Venture (CTPJV)
Central Tanami Project Joint Venture (CTPJV) For personal use only 8
Slide 9: Central Tanami Gold Project - Location and Key Assets
Central Tanami Gold Project - Location and Key Assets Contributing 50/50 joint venture with Tanami Gold NL. For personal use only Extensive mining and exploration tenure comprising tenements within the CTPJV (2,100sqkm) and wholly-owned exploration licences (3,600sqkm). Mineral Resources (JORC 2012)
Slide 10: CTPJV – Recent Mineral Resource Estimate Update
CTPJV – Recent Mineral Resource Estimate Update For personal use only CTPJV processing plant site *Refer Tanami Gold NL ASX release dated 7 November 2025 and Appendix 3. 10
Slide 11: Groundrush Gold Deposit – Resource Modelling
Groundrush Gold Deposit – Resource Modelling For personal use only Groundrush Gold Deposit (facing west) 11 Mt at 3.3 g/t Au for 1.2 Moz 11
Slide 12: A Significant Undeveloped Australian Gold Project
A Significant Undeveloped Australian Gold Project … The Central Tanami Gold Project is one of Australia’s largest undeveloped, higher grade gold projects. For personal use only Undeveloped Australian Gold Projects ranked by size and grade – Contained Resource Ounces (Moz Au)1,2 8 8.0 Contained Resou
Slide 13: …at an attractive Acquisition Multiple
…at an attractive Acquisition Multiple The acquisition multiple of $36/oz1 represents compelling value, relative to average comparable multiple of $174/oz at transaction announcement date. For personal use only Precedent Gold Transaction Multiples ($/oz)2 669 622 Based on JORC 2012 Mineral Resources
Slide 14: Other Growth Opportunities
Other Growth Opportunities MGX has built an investment portfolio worth For personal use only +$30 million in a number of junior resources companies where future financing and strategic opportunities may arise. These include a near- 5% interest in AIC Mines ($19 million) and a 5.1% interest in Marona
Slide 15: Summary
Summary MGX is an established miner seeking to process and ship available ore stockpiles and continuing rehabilitation at Koolan Island following the October rockfall. For personal use only Strategy to utilise its existing development and operating capabilities to diversify as a multi-commodity busi
Slide 16: Mount Gibson Iron Limited
Mount Gibson Iron Limited (ASX: MGX) MGX For personal use only Presentation authorised by Peter Kerr, Chief Executive Officer Mount Gibson Iron Limited +61 (0)8 9426 7500 www.mtgibsoniron.com.au 16
Slide 17: Appendix: Gold Transaction Data
Appendix 1 Gold Transaction Data Mineral Resource (koz Resource Multiple ($/oz Target Acquiror Announcement Date Enterprise Value ($m)1 ASX Release Title Au)2 Au) For personal use only Ramelius makes Recommended Takeover Offer for Spectrum Metals Ramelius Resources Feb-20 221 356 622 Spectrum Metals
Slide 18: Group Mineral Resources and Ore Reserves as at 30 June 2025
Appendix 2 Group Mineral Resources and Ore Reserves Information as at 30 June 2025 Total Group Mineral Resources and Ore Reserves at 30 June 2025 Tonnes Fe SiO2 Al2O3 P For personal use only millions % % % % Mineral Resources, above 50% Fe (includes Mined Ore Stockpiles) Measured 1.2 60.5 12.63 0.47
Slide 19: Appendix – Central Tanami Gold Project Mineral Resources
Appendix 3 – Central Tanami Gold Project Mineral Resources (JORC 2012) Measured Indicated Inferred Total Tonnes Grade Ounce s Tonnes Grade Ounces Tonnes Grade Ounce s Tonnes Grade Ounces UG+OP Deposit COG (000's) (g/t) (000's) (000's) (g/t) (000's) (000's) (g/t) (000's) (000's) (g/t) (000's) Compete
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