The following announcement is a correction to the announcement issued at 12.25 p.m. on 19 June 2024 with RNS number 0878T, which omitted certain share purchase transactions. The announcement below contains all relevant information required to be disclosed.

21 June 2024

Metals One Plc

("Metals One" or the "Company")

Director/PDMR Shareholding

Metals One (AIM: MET1), which is advancing strategic metals projects in Finland and Norway, announces the following additional purchases of ordinary shares of £0.01 each in the capital of the Company ("Ordinary Shares") by Jonathan Owen, Chief Executive Officer and a director of the Company. These share purchase orders were placed as part of a larger buy order by Mr Owen on 18 April 2024 but were omitted from the Company's RNS announcement of the same date detailing Mr Owen's share purchases given they completed after that date.

In addition, Mr Owen completed the following share purchase on 17 April 2024.

The Company has also been notified of the following share purchases by close relations of Mr Owen on 17 April 2024.

As a result, Mr Owen is interested in a total of 4,901,440 Ordinary Shares, representing approximately 1.49% of the Company's issued share capital.

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About Metals One

Metals One is developing strategic battery metals projects in Finland (Black Schist Project) and Norway (SRH Råna Project), with approximately £9 million of exploration carry exposure through a farm-in agreement. Metals One is aiming to help meet the significant critical minerals by defining resources on the doorstep of Europe's major electric vehicle OEMs and battery manufacturers. Metals One's Black Schist Project in Finland, totalling 706 km² across three licence areas, has an Inferred Resource of 28.1 Mt nickel-zinc-copper-cobalt and is located adjacent to Talvivaara, Europe's largest operating nickel mine. Metals One's fully carried SRH Råna Project in Norway covers 18.14 km² across three contiguous exploration licences, with significant opportunity for brownfield exploration of the Råna intrusion, and proven potential for massive sulphide nickel-cobalt-copper mineralisation.

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Market Abuse Regulation (MAR) Disclosure

The information set out below is provided in accordance with the requirements of Article 19(3) of the Market Abuse Regulations (EU) No. 596/2014 which forms part of UK domestic law by virtue of the European Union (Withdrawal) Act 2018 ('MAR').

Nominated Adviser

Beaumont Cornish Limited ("Beaumont Cornish") is the Company's Nominated Adviser and is authorised and regulated by the FCA. Beaumont Cornish's responsibilities as the Company's Nominated Adviser, including a responsibility to advise and guide the Company on its responsibilities under the AIM Rules for Companies and AIM Rules for Nominated Advisers, are owed solely to the London Stock Exchange. Beaumont Cornish is not acting for and will not be responsible to any other persons for providing protections afforded to customers of Beaumont Cornish nor for advising them in relation to the proposed arrangements described in this announcement or any matter referred to in it.

NOTIFICATION AND PUBLIC DISCLOSURE OF TRANSACTIONS BY PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES AND PERSONS CLOSELY ASSOCIATED WITH THEM