Announcement PDF CULPEOMINERALS.COM.AU info@culpeominerals.com.au 31 CLIFF STREET, FREMANTLE 6160 61 (8) 6383 7894 PAGE |1 ASX ANNOUNCEMENT 1 JUNE 2026 ASX: CPO OTCID: CPORF APPOINTMENT OF CHIEF FINANCIAL OFFICER Culpeo Minerals Limited (Culpeo or the Company) (ASX: CPO, OTCID: CPORF) is pleased to advise the appointment of Mr David Sanders as Chief Financial Officer of the Company, effective today, following the resignation of Mr Graeme Morissey. Mr Sanders is a Chartered Accountant with more than 25 years’ experience in the resources industry across corporate development, strategy and planning, business evaluation and commercial management. Mr Sanders has extensive experience leading operational and corporate teams and has strong expertise in identifying and communicating key value drivers and strategic options to support Board and executive decision-making. More recently, Mr Sanders has worked with developing resource companies in Australia and internationally, leveraging his industry network and commercial experience to support organisations through equity funding, debt financing and preparation for future construction and operations. He has also provided commercial and strategic support to Indigenous organisations in relation to resource project negotiations and development opportunities. Mr Sanders holds a Bachelor of Business, Accounting/Law and a Grad Dip of Chartered Accounting (CA ANZ). Culpeo Minerals’ Interim Executive Chair, Geoff McNamara commented: “We would like to welcome Dave to the role of Chief Financial Officer and look forward to his contribution to the Company as it progresses its strategic objectives. On behalf of the Company, I would like to thank Graeme for his contribution as Chief Financial Officer and wish him well in his future endeavours.” This announcement has been authorised by the Board of Directors of Culpeo Minerals Limited. COMPANY CONTACT Geoff McNamara Interim Executive Chairman E: geoff.mcnamara@culpeominerals.com.au P: +61 (08) 6383 7894 ASX ANNOUNCEMENT 1 JUNE 2026 PAGE | 2 ABOUT CULPEO MINERALS LIMITED Culpeo Minerals Limited is committed to copper exploration, discovery and development, with strategic assets in Chile, the world’s leading copper-producing nation. The Company is focused on high-grade copper systems within Chile’s infrastructure-rich Coastal Cordillera. Culpeo has recently announced a significant copper and molybdenum discovery at the Lana Corina Project and acquired the highly prospective Fortuna and copper-gold projects. The Lana Corina and Fortuna Projects are located in Chile’s Coquimbo Region, approximately 350km north of Santiago, in proximity to the world-class Los Pelambres mine (Figure 9). These project areas feature substantial outcropping high-grade copper systems, and importantly, they are supported by well-established regional infrastructure, including roads, power transmission lines, water sources and a strong local mining industry - factors critical in enabling cost-effective and efficient development. The Company is led by a highly experienced board and management team with more than two decades of operational and exploration experience in Chile. Culpeo’s objective is to deliver Shareholder value through the exploration, acquisition and development of high-grade, near-surface copper systems.