Announcement PDF ASX Announcement ASX: CYM | 3 SEPTEMBER 2025 Notice under section 708A(5)(e) of the Corporations Act Cyprium Metals Limited (ASX: CYM, OTC: CYPMF) (Company) gives notice under section 708A(5)(e) of the Corporations Act 2001 (Cth) (Corporations Act) regarding 515,931,656 fully paid ordinary shares in the Company (Shares) as detailed in the Appendix 2A released to the ASX today. The Company provides the following information: (a) (b) (c) (d) the Shares were issued without disclosure to investors under Part 6D.2 of the Corporations Act; this notice is being given under section 708A(5)(e) of the Corporations Act; as at the date of this notice, the Company has complied with: (i) the provisions of chapter 2M of the Corporations Act as they apply to the Company; and (ii) sections 674 and 674A of the Corporations Act, as at the date of this notice, there is no “excluded information” for the purposes of sections 708A(7) and 708A(8) of the Corporations Act. This announcement was authorised for release by the Board of Cyprium Metals Limited. This announcement has been prepared for publication in Australia and may not be released to US wire services or distributed in the United States. This announcement does not constitute an offer to sell, or a solicitation of an offer to buy, securities in the United States or any other jurisdiction. Any securities described in this announcement have not been, and will not be, registered under the US Securities Act of 1933 and may not be offered or sold in the United States except in transactions exempt from, or not subject to, the registration of the US Securities Act and applicable US state securities laws. 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. The Company’s other assets include significant copper-focused properties in the Paterson and Murchison Provinces, including multiple defined resources. For more information, visit: www.cypriummetals.com Nifty 83Mt @ 0.90% Cu for 753kt Cu in Reserve & 91kt contained 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