Metlen Energy & Metals PlcLSE: MTLN

Transaction in own shares

· Issued by Metlen Energy & Metals Plc

29 June 2026

METLEN Energy & Metals PLC

(the "Company")

Transaction in own shares

The Company announces that, in accordance with the terms of its share buyback programme  announced on 23 June 2026, during the period from 22 June 2026 to 26 June 2026 (inclusive) (the "Disclosure Period"), it purchased the following number of its ordinary shares of €1.00 each through Piraeus Securities S.A.:

Date within Disclosure Period

Trading Venue

Aggregate number of ordinary shares repurchased

Lowest price paid (per ordinary share, in euro)

Highest price paid (per ordinary share, in euro)

Volume-weighted average price (per ordinary share, in euro)

23 June 2026

Euronext Athens

25,000

42.20

42.38

42.2920

24 June 2026

Euronext Athens

30,000

42.00

42.04

42.0093

25 June 2026

Euronext Athens

15,000

40.86

41.14

41.1027

26 June 2026

Euronext Athens

20,000

40.78

40.90

40.8400

These shares will be held in Treasury.

Following these transactions, the Company's share capital comprises:

Total issued share capital: 143,426,244

Shares held in treasury (with no voting rights): 90,000

Total voting rights: 143,336,244

For reporting purposes under the FCA's Disclosure Guidance and Transparency Rules the market should exclude any shares held in treasury and should use the figure of 143,336,244 as the denominator for the calculations when determining if they are required to notify their interest in, or a change to their interest in the Company.

LEI - 213800ZSR3HVKMMPVG86

For further information, please contact:

Investor Relations

Tel. +30 210-6877300 | Fax +30 210-6877400 | E-mail: ir@metlen.com

Press Office

Tel. +30 210-6877346 | Fax +30 210-6877400 | E-mail: communications@metlen.com