Metlen Energy & Metals PlcLSE: MTLN

Transaction in Own Shares

· Issued by Metlen Energy & Metals Plc

13 July 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 6 July 2026 to 10 July 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)

6 July 2026

Euronext Athens

20.000

42.46

42.46

42.4600

7 July 2026

Euronext Athens

40.000

41.72

41.98

41.9025

8 July 2026

Euronext Athens

5.000

40.28

40.28

40.2800

9 July 2026

Euronext Athens

5.000

40.30

40.30

40.3000

10 July 2026

Euronext Athens

25.000

40.14

40.70

40.5771

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): 270.768

Total voting rights: 143.155.476

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 143.155.476 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