ANNOUNCEMENT

MYTILINEOS S.A.

General Commercial Register No. (GEMI): 757001000

MYTILINEOS SA (hereinafter the "Company") announces that the merger by absorption of the Company's wholly-owned subsidiary under the business names "ELECTRICITY TRANSMISSION PROJECTS LIMITED" from the Company, in accordance with the provisions of Codified Law 4601/2019 and Codified Law 4172/2013, with transformation balance sheet as of 31.12.2021, was approved by decision no. 27044ΑΠ/26.10.2022 of the Division for Corporations Head, General Division for the Market, General Secretariat of Trade & Consumer Protection of the Ministry for Development and Investments, which was registered with the General Commercial Register under Entry ID Number 3150529 on 26.10.2022.

For any clarification or information, you can contact the Company's Investor Relations Department (tel. 210-6877300, fax 210-6877400).