Announcement PDF Metallium Ltd ASX: MTM | OTCQX: MTMCF Australia: Perth, Western Australia USA: ASX Release Houston, Texas 17 September 2025 Metallium to Present at ASX Small & Mid-Cap Conference 2025, Sydney Australia Metallium Limited (“Metallium” or the “Company”) (ASX: MTM; OTCQX: MTMCF) is pleased to advise that it has been selected to present at the ASX SMIDcaps Conference in Sydney on Wednesday 24th September 2025. The conference highlights some of the most promising small and mid-capitalisation companies on the Australian Stock Exchange, and Metallium is proud to be presenting alongside peers such as Lycopodium Ltd, Metal Powder Works Ltd and Minerals 260 Ltd. Chief Executive Officer, Michael Walshe, will deliver Metallium’s presentation at 2:10pm AEST (Sydney) / 12:10am EDT (New York, same day) / 4:10am UTC. Investors may register to attend the event online via the official ASX Events registration link. This announcement has been authorised for release by the Managing Director. For further information, please contact: Michael Walshe Managing Director & CEO Metallium Ltd info@MetalliumInc.com | +61 8 6391 0112 Andrew Keys Investor Relations & Corporate Communications Keys Thomas Associates Andrew.keys@keysthomas.com | +61 400 400 380 ABOUT METALLIUM LIMITED Metallium Ltd (ABN 27 645 885 463), is pioneering a low-carbon, high-efficiency approach to recovering critical and precious metals from mineral concentrates and high-grade waste streams. The company’s patented Flash Joule Heating (FJH) technology enables the extraction of high-value materials, including gallium, germanium, antimony, rare earth elements, and gold, from feedstocks such as refinery scrap, e-waste, and monazite. Aligned with U.S. strategic supply chain objectives, Metallium has recently secured its first commercial site in Texas via its wholly owned subsidiary, Flash Metals USA Inc., marking a major step toward near-term production and revenue generation. To learn more, visit: Website: metalliuminc.com Contact: info@metalliuminc.com Investor Hub: investorhub.metalliuminc.com 𝕏 x.com/Metallium_MTM | +61 8 6391 0112 www.linkedin.com/company/metalliumltd USA Office: 12 Greenway Plaza, Suite 1100, Houston, Texas USA 77046 Australia Office: Unit 4, 22 Railway Road, Subiaco, Western Australia 6008 ENGAGE WITH THIS ANNOUNCEMENT ON INVESTORHUB: HERE