Appointment of joint corporate brokers

APPOINTMENT OF JOINT CORPORATE BROKERS

2 February 2026

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 in Cornwall, United Kingdom, is pleased to announce the appointment of Joh. Berenberg, Gossler & Co. KG, London Branch ("Berenberg") and Peel Hunt LLP ("Peel Hunt") as joint corporate brokers to the Company with immediate effect. SP Angel Corporate Finance LLP continues in the role as nominated adviser and Hannam & Partners as financial adviser.

ABOUT CORNISH METALS

Cornish Metals is a mineral exploration and development company that is advancing the South Crofty critical mineral project towards production. South Crofty:

·    is a historical underground tin mine located in Cornwall, United Kingdom and benefits from existing mine infrastructure including multiple shafts that can be used for future operations;

·    is the highest grade known tin Mineral Resource not in production with significant near-mine and regional Mineral Resource potential;

·    is permitted to commence underground mining (valid to 2071), construct a new processing facility and for all necessary site infrastructure;

·    will be a low environmental impact underground mine with zero surface tailings;

·    would be potentially the first primary producer of tin in Europe or North America. Tin is a Critical Mineral as defined by the UK, American, and Canadian governments as it is used in almost all electronic devices and electrical infrastructure. Approximately two-thirds of the tin mined today comes from China, Myanmar and Indonesia;

·    benefits from strong local community, regional and national government support with a growing team of skilled people, local to Cornwall, and could generate over 300 direct jobs;

·    is an opportunity for a secure domestic supply of tin in the UK supporting a low carbon economy.

ENDS

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