Inaugural Sustainability Report

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 publication of its inaugural sustainability report for the 2024 reporting year. This marks a meaningful milestone in our commitment to formalising and communicating our sustainability commitments.

The report outlines our performance and progress across key sustainability pillars, including governance and ethics, social responsibility and environmental stewardship, establishing a baseline for future reporting. To support transparency and comparability, we have reported in accordance with the Global Reporting Initiative ("GRI") Standards.

Don Turvey, CEO and Director of Cornish Metals, stated: "Whilst sustainability has long informed the way we operate at Cornish Metals, publishing our first sustainability report marks a significant step in formalising our approach and strengthening transparency. The report reflects a careful and deliberate process, guided by our focus on data integrity, robust governance and meaningful engagement with stakeholders. We understand that the long-term success of our business depends on acting responsibly, protecting the environment, supporting our employees and contributing to the community in which we operate. We believe this report provides a strong foundation for continued progress and accountability into the future."

The 2024 sustainability report is available on our website at https://cornishmetals.com/sustainability/sustainability-report. We invite all stakeholders to explore the report and engage with us on our journey.

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/8r6vdr

Caution regarding forward looking statements