Appointment Of Non-executive Director

Cornish Metals plc (AIM: TIN) (“Cornish Metals” or the “Company”), a mineral exploration and development company focused on advancing its wholly owned and permitted South Crofty tin project (“South Crofty”) in Cornwall, United Kingdom, is pleased to announce the appointment of Andrew Quinn as an independent Non-Executive Director of the Company with effect from 22 July 2026.

Andrew Quinn is a chartered engineer and former investment banking managing director with over 50 years’ experience across the global mining, metals and natural resources sector. He is a recognised industry leader in gold and precious metals governance, and brings extensive board, capital markets, M&A and responsible sourcing experience across companies listed in London and internationally.

Mr Quinn currently serves as Non-Executive Chairman of Alkane Resources Ltd, an ASX-listed gold producer with operations in Australia and Sweden. He has previously served as a Non-Executive Director of Barrick Mining Corporation, one of the world’s largest gold and copper producers, and of the London Bullion Market Association (LBMA), where he chaired the Remuneration Committee. Earlier in his career he was Senior Independent Director of FTSE 100-listed Randgold Resources, and held senior mining investment banking roles, lastly as head of Mining Investment Banking for Europe and Africa at CIBC World Markets for 15 years prior to his retirement, advising on a number of major global mining transactions. He holds an undergraduate degree in Mineral Exploitation (Mining Engineering) from Cardiff University, is a Member of the Institute of Materials, Minerals & Mining, and is a registered Chartered Engineer.

In addition to being appointed to the Board as an independent Non-Executive Director, Mr Quinn will also be joining the Audit Committee with immediate effect. The appointment further strengthens the Board as Cornish Metals continues to advance the South Crofty tin project towards production.

Patrick Anderson, Chairman of Cornish Metals, commented:

“We are pleased to welcome Andrew to the Board, as we continue to strengthen the senior team. He has an exceptional depth of experience across the global mining and metals sector, and a strong track record in capital markets, governance and M&A. Andrew will provide a key role as the Company transitions from developer to the first primary producer of tin in Europe and North America.”

Andrew Quinn, incoming Non-Executive Director, added:

“I am delighted to be joining the Board of Cornish Metals at such an important stage in the Company’s development. South Crofty is a high-grade, strategically important critical minerals project, and I look forward to working with the Board and management team to help deliver its considerable potential for shareholders and for Cornwall.”

The following disclosures are required regarding Andrew Quinn’s appointment pursuant to Schedule Two paragraph (g) of the AIM Rules for Companies (the "AIM Rules").

Andrew James Quinn (aged 72) is currently, or has during the past five years been, a director of the following companies:

• Quinn does not currently hold any shares in the Company.

Engage with us directly at our investor hub. Sign up at: https://investors.cornishmetals.com/link/ya21le