Announcement PDF RNS Number : 2057M Alba Mineral Resources PLC 19 December 2025 Alba Mineral Resources Plc / EPIC: ALBA / Market: AIM / Sector: Mining 19 December 2025 Alba Mineral Resources Plc ("Alba" or the "Company") Clogau Gold Mine Operational Update Alba Mineral Resources plc (AIM: ALBA), the gold and critical raw materials focused exploration and development company, provides this operational update in respect of the Clogau St David's Gold Mine in Wales ("Clogau" or the "Mine"). Following the completion of the recent phase of underground works at the Mine, the Company is pleased to confirm the resumption of drilling and blasting operations at the Llechfraith Target, Alba's priority gold target at Clogau. An estimated 15 or so tonnes of blast material are in the process of being removed from underground following the first successfully completed blast. Drilling and blasting operations are scheduled to resume in the first full week of January 2026. In the interim, work will continue in the pilot processing plant and on other ongoing mine maintenance. Company Comment George Frangeskides, Alba's Executive Chairman, commented: "We are delighted to have recommenced the drilling and blasting programme at Clogau. This has only been possible because of the dedication and expertise of the Alba team and our contractors on site throughout the past months. "With the first blast now successfully completed, the work on the Llechfraith gold target has resumed in earnest and will kick on again from the beginning of January." This announcement contains inside information for the purposes of the UK Market Abuse Regulation and the Directors of the Company are responsible for the release of this announcement. Forward Looking Statements This announcement contains forward-looking statements relating to expected or anticipated future events and anticipated results that are forward-looking in nature and, as a result, are subject to certain risks and uncertainties, such as general economic, market, financial and business conditions, competition for and availability of qualified staff and contractors, regulatory processes and actions, technical issues, new legislation, uncertainties resulting from potential delays or changes in plans, uncertainties resulting from working in a new political jurisdiction, uncertainties regarding the results of exploration, uncertainties regarding the timing and granting of prospecting rights, uncertainties regarding the timing and granting of regulatory and other third party consents and approvals, uncertainties regarding the Company's or any third party's ability to finance, execute and implement future plans and programmes, and the occurrence of unexpected events. Actual results achieved may vary from the information provided herein as a result of numerous known and unknown risks and uncertainties and other factors. **ENDS** Engage with Alba by asking questions, watching video summaries and reading what other shareholders have to say. Navigate to our interactive Investor Hub here: https://albamineralresources.com/link/yaGW6r For further information, please visit the Alba Mineral Resources plc investor website (www.albamineralresources.com) and sign up to receive news and engage with the Alba management team. Subscribe to our news alert service (https://alba- l.investorhub.com/auth/signup) and visit @AlbaMinerals on X (formerly Twitter). Alba Mineral Resources plc George Frangeskides, Executive Chairman +44 20 3950 0725 SPARK Advisory Partners Limited (Nomad) Andrew Emmott +44 20 3368 3555 CMC Markets plc (Broker) Thomas Smith / Douglas Crippen +44 20 3003 8632 Alba's Projects & Investments Projects Operated by Alba Location Ownership Clogau (gold) Wales 100% Dolgellau Gold Exploration (gold) Wales 100% Gwynfynydd (gold) Wales 100% Investments Held by Alba Location Ownership GreenRoc Strategic Materials Plc (graphite - anode) Greenland 25.34% Horse Hill (oil) England 11.765% Earn-in Projects Location Earn-in Rights Finnsbo (rare earths, copper, gold) Sweden Up to 100% This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com. RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END UPDDBBDDXUBDGUI