Metlen Energy & Metals

Capital/Financing Update • Jan 5, 2026

ANNOUNCEMENT

5th Interest Payment Period of the Common Bond Loan

ΜETLEN Energy & Metals Single Member S.A. ("the Company") hereby announces that according to the terms of the Common Bond Loan issued on 10/07/2023 by the Company ("the Bond Loan"), the record date for the beneficiaries of interest for the 5th interest period is Friday January 9, 2026.

As of Thursday January 8, 2026 (Ex-coupon date) the Company's bonds in connection to the Bond Loan will be traded on the Athens Exchange without the right to receive the interest corresponding to the 5th interest payment period.

The gross interest amount for the 5th Interest Period which corresponds to 500,000 bonds currently traded on the Organized Market of the Athens Stock Exchange is €10,333,333.33 i.e. €20.66666667 per bond, of nominal value 1,000 euros, and has been calculated at an annual interest rate of 4.00% (before tax), on an actual over 360 basis (act/360).

The payment of the interest amount due to the bondholders will take place though "HELLENIC CENTRAL SECURITIES DEPOSITARY S.A." (ATHEXCSD) on Monday January 12, 2026, as follows:

• 1. Through the operators of the beneficiaries in the Dematerialized Security System (D.S.S.) (Banks and Securities firms) for the bondholders that have authorized their operators for the collection, according to D.S.S. Operations Regulation and the ATHEXCSD relevant resolutions.
• 1. Especially in cases of interest payments:
• a) to heirs of deceased beneficiaries whose titles are kept in the Deceased's Account, under the management of ATHEXCSD according to D.S.S. Operations Regulation,
• b) in cases where the beneficiary holds his titles in a securities/brokerage firm under liquidation or in a special provisional transfer account, the payment of the amount due will be made: i) through ATHEXCSD within one (1) year from the date of payment (to the legal heirs after the completion of their legalization), and ii) through a cash deposit in the Consignment Deposits and Loans Fund (TPD) after the lapse of one (1) year.

It is hereby noted that in accordance with current legislation, the right to collect interest amount expires, if not collected within the time limit of five (5) years, and any relevant amount shall be reimbursed to the Hellenic Republic.