Ellaktor S.A.

Notice of Dividend Amount • Dec 12, 2025

General Commercial Registry (G.E.MI) No.: 000251501000

Announcement of Ex-Dividend Date and Interim Dividend Payment

ELLAKTOR SA, following the decision of its Board of Directors dated 16.10.2025 regarding the distribution of an interim dividend of €0.50 per share for the financial year 2025 and further to its announcement of 17 October 2025, informs the investing public of the following:

The gross amount of the interim dividend for the financial year 2025 amounts in total to €174,096,002.50 before withholding tax and corresponds to a gross amount of €0.50 per share of the Company, which will be increased by the amount corresponding to the Company's own shares (i.e. 2,027,000 shares) and will amount to €0.5029277945 per share. The interim dividend is subject to a 5% withholding tax, where applicable, in accordance with the provisions of Articles 61, 62 and 64 of Law 4172/2013, as in force. Consequently, shareholders will receive a net interim dividend for the financial year 2025 of €0.4777814047 per share.

It is reminded that:

Starting from Monday, 22 December 2025 (ex-dividend date), the Company's shares will trade on the Athens Exchange without the right to the interim dividend for the fiscal year 2025.

Entitled shareholders will be those registered in the records of the Dematerialized Securities System (DSS) on Tuesday, 23 December 2025 (record date).

The payment of the interim dividend for the fiscal year 2025 will commence on Wednesday, 31 December 2025 (payment date), by the paying bank Alpha Bank S.A., through the Participants of the DSS, acting on behalf of the entitled shareholders (i.e., banks, custodians, and brokerage firms), in accordance with the current Operating Rules of ATHEXCSD and the relevant decisions of ATHEXCSD.

For further information, shareholders may contact the Company's Shareholder Services Department during working days and hours at +30 210 8185078.

Kifissia, 12.12.2025