Announcement PDF ASX Announcement ASX: CYM | 1 JULY 2025 $2.5M PROGRESS PAYMENT ON SURPLUS GENERATOR SALE HIGHLIGHTS • Timeline for ultimate completion extended into third quarter • Incremental payment of AUD 2.5 million received • Balance outstanding of AUD 5.0 million expected third quarter on achievement of milestones • Delay to ultimate completion as US based purchaser navigates evolving new tariff and international trade environment Cyprium Metals Limited (ASX: CYM / OTCQB: CYPMF) (Cyprium or the Company), a copper developer focused on the phased restart of the Nifty Copper Complex in the Paterson region of Western Australia (Nifty), is pleased to update shareholders on the sale of surplus generators as previously communicated on 22 November 2024 and 17 February 2025. The Company has agreed to extend the completion date on the sale of the Company’s surplus TM-2500 generators into the third quarter and has amended the buyer from USP&E North America to include USP&E client Mobile Power Solutions LLC. The Company has received an incremental payment of USD 1.6 million (AUD 2.5 million), bringing the total of payments received to USD 2.8 million (AUD 4.3 million). Total remaining payments of USD 3.2 million (~AUD 5.0 million) are expected in the third quarter as certain milestones relating to logistics and export are met. Cyprium Executive Chairman, Matt Fifield, said: “We have been focused on unlocking value from within the Cyprium portfolio for our shareholders. This sale of surplus equipment is just one example. The ultimate sale transaction has taken longer than expected as we have worked through the new tariff and international trade environment with our US-based purchasers. We remain on track with physical and transaction logistics to complete in the coming quarter.” This ASX announcement was authorised by the Cyprium Executive Chair. Cyprium Metals Limited ABN: 48 002 678 640 ASX: CYM Level1, 437 Roberts Road Subiaco WA 6008 AUSTRALIA T +61 8 6374 1550 E communications@cypriummetals.com W cypriummetals.com For Enquiries: Angus Miles | VP – Corporate Development and Investor Relations communications@cypriummetals.com +61 8 6374 1550 Dannika Warburton | Investor & Media Relations investors@investability.com.au +61 401 094 261 Follow Cyprium Metals: Subscribe to Email alerts https://cypriummetals.com/contact-us/subscribe-to-email-alerts/ LinkedIn https://www.linkedin.com/company/cyprium-metals/ X https://x.com/CypriumMetals ASX Listing Rule 5.23 Statements The information in this ASX Announcement that relates to Mineral Resources and Ore Reserves has been extracted from the Company’s ASX announcements dated 27 November 2024 and 5 February 2025. Cyprium confirms that it is not aware of any new information or data that materially affects the information included in the original market announcements and, in the case of estimates of Mineral Resources and Ore Reserves, which all material assumptions and technical parameters underpinning the estimates in the relevant market announcement continue to apply and have not materially changed. The Company confirms that the form and context in which the Competent Person’s findings are presented have not materially changed from the original market announcement. ASX: CYM | 2 ABOUT US Cyprium Metals Limited (ASX: CYM / OTCQB: CYPMF) is an ASX-listed Australian copper company. Its flagship property is the Nifty Copper Complex in Western Australia, which previously produced significant copper from both oxide and sulphide resources. Cyprium is focused on redeveloping Nifty, which has the advantage of significant invested capital, data from a long operating history, large-scale resources, current operational approvals, and recent investment in the property. For more information, visit: www.cypriummetals.com Nifty 83Mt @ 0.90% Cu for 753kt Cu in Reserve + 91kt cont. Cu in leach pads Maroochydore 371Mt @ 0.43% Cu, 227ppm Co for 1.6Mt Cu, 84kt Co. High-grade zone: 106Mt @ 0.67% Cu for 712kt Cu Development Fast-track restart with low capex and near-term cash flow from heap leach reprocessing Advantage Tier-one copper assets in Western Australia with existing infrastructure and permits in place Exploration Highly prospective copper targets at Paterson and Cue support long-term growth pipeline ASX: CYM | 3