Elvalhalcor S.A.

Legal Proceedings Report • Dec 2, 2025

Athens, 2 December 2025

Announcement for the result of the tax audit

Pursuant to paragraphs 4.1.1 (6) and 4.1.2 of the Athens Exchange Rulebook in conjunction with case 6 of the Resolution Nr. 25 of the Stock Markets Steering Committee of Athens Exchange, as in force, and article 17 paragraph 1 of Regulation (EU) No 596/2014, the company under the trade name "ELVALHALCOR HELLENIC COPPER AND ALUMINIUM INDUSTRY S.A." (hereinafter the "Company"), announces to the investor community that the tax audit for the Company for the fiscal year 2024 was completed. The audit was conducted by the certified auditor according to article 78 of L.5104/2024, as currently in force, and a Tax Compliance Report has been issued without qualifications.