Elvalhalcor S.A.

Transaction in Own Shares • Aug 25, 2025

Athens, August 25, 2025

ANNOUNCEMENT

Purchase of Own Shares

The company under the trade name "ELVALHALCOR HELLENIC COPPER AND ALUMINIUM INDUSTRY S.A." ("ELVALHALCOR") announces that, in the context of its own shares buyback program according to the resolution of the Ordinary Meeting of its Shareholders dated 23/5/2024, during the period 18/08/2025 –22/08/2025 it has acquired through the Athens Exchange 50,000 own shares in total, as follows:

DATE	NUMBER OF SHARES	TOTAL AMOUNT (€)	AVERAGE PRICE (€)
18/8/2025	10,000	26,555.05	2.6555
19/8/2025	10,000	26,330.01	2.6330
20/8/2025	10,000	26,355.63	2.6356
21/8/2025	10,000	26,260.88	2.6261
22/8/2025	10,000	26,352.50	2.6353
TOTAL:	50,000	131,854.07	2.6371

The above acquisitions were made through the Athens Exchange member PIRAEUS SECURITIΕS S.A.

Following the aforementioned acquisitions, ELVALHALCOR holds in aggregate 663,035 own shares, i.e. a percentage of 0.1767% of the total number of shares of ELVALHALCOR.

This announcement is issued pursuant to Regulation (EU) 596/2014 of the European Parliament and of the Council of 16 April 2014 and Commission Delegated Regulation (EU) 2016/1052 of 8 March 2016.