Admission to Trading.

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN OR INTO OR FROM THE UNITED STATES, AUSTRALIA, NEW ZEALAND, CANADA, JAPAN, KUWAIT, THE UNITED ARAB EMIRATES OR ANY OTHER JURISDICTION WHERE IT IS UNLAWFUL TO DISTRIBUTE THIS ANNOUNCEMENT.

                                    METLEN ENERGY & METALS PLC (the "Company" or "Metlen PLC")

       ANNOUNCEMENT

Listing and admission to trading of the Company's 129,024,224 Euro denominated ordinary registered shares on the Main Market of the London Stock Exchange (the "LSE") and on the Regulated Securities Market of the Athens Exchange (the "ATHEX") on Monday, 4 August 2025

Following the announcement of Metlen PLC made on 29 July 2025 regarding the successful outcome of the voluntary share exchange tender offer (the "Tender Offer") it submitted for the acquisition of all the ordinary registered shares issued by METLEN ENERGY & METALS S.A. ("Metlen S.A."), the Company announces the following:

(a)          On 1 August 2025, the Listings and Market Operation Committee of the ATHEX approved the listing and admission to trading of 129,024,224 Euro denominated ordinary registered shares issued by Metlen PLC (the "Ordinary Shares") on the Regulated Securities Market of the ATHEX.

(b)          The admission of the Ordinary Shares to the equity shares (commercial companies) segment of the Official List of the UK Financial Conduct Authority will become effective at 8:00 a.m., UK time, on 4 August 2025.

(c)          Trading of the Ordinary Shares on the LSE and the ATHEX will commence on 4 August 2025 at 8:00 a.m., UK time, and at 10:15 a.m., Greek time, respectively.            

(d)         The delivery of the Ordinary Shares to the shareholders of Metlen S.A. who accepted the Tender Offer through either CREST or the Dematerialised Securities System, depending on their election, took place on 1 August 2025.      

The trading symbol of the Ordinary Shares is "MTLN" in Latin fonts with ISIN GB00BTQGS779. The reference price of the Ordinary Shares will be €47.16 per share, which is equal to the closing market price of the Metlen S.A. share on the ATHEX on 01 August 2025.

Metlen PLC will promptly inform the investors if there is a change to the dates and times set out in this announcement.

4 August 2025

Metlen Energy & Metals PLC

 IMPORTANT NOTICE

This regulatory announcement does not contain, constitute or form part of any offer or invitation to sell or subscribe or any solicitation of any offer to purchase or subscribe for any securities in any jurisdiction, and neither this regulatory announcement (nor any part of it) nor the fact of its distribution form the basis of, or may be relied upon in connection with, or act as any inducement to enter into, any contract or commitment whatsoever.

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