RNS Number : 3176G Cornish Metals Inc. 28 April 2025 CORNISH METALS CORPORATE UPDATE - SENIOR MANAGEMENT APPOINTMENTS Vancouver, April 27, 2025 Cornish Metals Inc.(AIM/TSX-V: CUSN) ("Cornish Metals" or the "Company"), a mineral exploration and development company focused on advancing its 100% owned and permitted South Crofty tin project in Cornwall, United Kingdom, is pleased to announce the strengthening of the project and operations teams at South Crofty as the project transitions to construction and development. Following the successful closing of the recently announced fundraise, the executive search for key leadership roles at South Crofty has advanced with appointments made for a new General Manager and Project Director. Searches for other roles to further bolster the team at South Crofty are also underway. The General Manager and Project Director will report to the Chief Executive Officer ("CEO"). General Manager Mr. David Howe has been appointed to the role of General Manager, South Crofty, where he will lead the operational activities of the South Crofty mine. Mr. Howe has 35 years of open pit and hard rock underground mining (including narrow vein) operational and exploration experience, of which 24 years were in executive and senior management roles, including General Manager, Country Manager, Exploration Manager and Vice President Operations. He has a strong track record of safety performance, change management, technical improvement and mine optimisation. Mr. Howe has experience in rehabilitation of old previously operating wet mines, including drilling, dewatering and developing them back into successful operations and has operated different narrow vein mines whilst working as VP Operations with Hecla in Venezuela (Minera Hecla Venezolana), Endeavour Silver Corp in Mexico and his previous position as Vice President Operations for Canada, Mexico and Chile at Pan American Silver Corporation. He holds a Master's degree in Mining Geology from the Camborne School of Mines and a Bachelor's degree in Geology from Oxford Brooks University. Mr. Howe will join the Company on May 1 st, 2025. Project Director Mr. Guillermo Alcazar has been appointed to the role of Project Director, South Crofty, leading all project construction and development activities. Mr. Alcazar is a project executive with over two decades of global experience leading and overseeing a multimillion-dollar complex portfolio of mining, heavy industrial, and infrastructure projects across diverse development stages. Strategic capital project leadership and proficiency in translating vision into execution, implementing effective risk mitigation strategies, and optimising project performance. Mr. Alcazar's experience includes project leadership roles for Eldorado Gold in Greece and First Majestic Silver's capital project initiatives, where he served as Director, Infrastructure Projects. Most recently, Mr. Alcazar was Group Manager Western Canada for Technical Management Group Ltd. ("TMG"). He holds a Master's degree in Business Administration from the University of Phoenix and a Bachelor's degree in Civil Engineering from Universidad Iberoamericana. Subject to the approval of a UK work visa which is anticipated to be processed in May 2025, Mr. Alcazar will re-locate from Canada to Cornwall. Don Turvey, CEO of Cornish Metals, commented:"We welcome Dave and Guillermo to the Cornish Metals team at an important point as the project transitions into the construction and development stage. Their wealth of project development and operating experience will be key to leading the project through successful construction and to full production to realise our corporate vision to become the chosen supplier of secure and responsible tin in Europe and to bring tin mining back to Cornwall." ON BEHALF OF THE BOARD OF DIRECTORS "Don Turvey" Don Turvey CEO and Director Engage with us directly at our investor hub. Sign up at:https://investors.cornishmetals.com/link/Dex7ky For additional information please contact: Cornish Metals Fawzi Hanano Irene Dorsman investors@cornishmetals.com info@cornishmetals.com Tel: + 1(604) 200 6664 SP Angel Corporate Finance LLP (Nominated Adviser & Joint Broker) Richard Morrison Charlie Bouverat Grant Barker Tel: +44 203 470 0470 Hannam & Partners (Joint Broker) Matthew Hasson Andrew Chubb Jay Ashfield cornish@hannam.partners Tel: +44 207 907 8500 BlytheRay (Financial PR) Tim Blythe Megan Ray cornishmetals@blytheray.com Tel: +44 207 138 3204 Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release. Caution regarding forward looking statements This news release may contain certain "forward-looking information" and "forward-looking statements" (collectively, "forward-looking statements"). Forward-looking statements include predictions, projections, outlook, guidance, estimates and forecasts and other statements regarding future plans, the realisation, cost, timing and extent of mineral resource or mineral reserve estimates, estimation of commodity prices, currency exchange rate fluctuations, estimated future exploration expenditures, costs and timing of the development of new deposits, success of exploration activities, permitting time lines, requirements for additional capital and the Company's ability to obtain financing when required and on terms acceptable to the Company, future or estimated mine life and other activities or achievements of Cornish Metals. Forward-looking statements are often, but not always, identified by the use of words such as "seek", "anticipate", "believe", "plan", "estimate", "forecast", "expect", "potential", "project", "target", "schedule", "budget" and "intend" and statements that an event or result "may", "will", "should", "could", "would" or "might" occur or be achieved and other similar expressions and includes the negatives thereof. All statements other than statements of historical fact included in this news release, are forward-looking statements that involve various risks and uncertainties and there can be no assurance that such statements will prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Forward-looking statements are subject to risks and uncertainties that may cause actual results to be materially different from those expressed or implied by such forward-looking statements, including but not limited to: risks related to receipt of regulatory approvals, risks related to general economic and market conditions; risks related to the availability of financing; the timing and content of upcoming work programmes; actual results of proposed exploration activities; possible variations in Mineral Resources or grade; projected dates to commence mining operations; failure of plant, equipment or processes to operate as anticipated; accidents, labour disputes, title disputes, claims and limitations on insurance coverage and other risks of the mining industry; changes in national and local government regulation of mining operations, tax rules and regulations. The list is not exhaustive of the factors that may affect Cornish's forward-looking statements. Cornish Metals' forward-looking statements are based on the opinions and estimates of management and reflect their current expectations regarding future events and operating performance and speak only as of the date such statements are made. Although the Company has attempted to identify important factors that could cause actual actions, events or results to differ from those described in forward- looking statements, there may be other factors that cause such actions, events or results to differ materially from those anticipated. There can be no assurance that forward-looking statements will prove to be accurate and accordingly readers are cautioned not to place undue reliance on forward-looking statements. Accordingly, readers should not place undue reliance on forward-looking statements. 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