Thessaloniki Port Authority S.A.

Notice of Dividend Amount • May 14, 2025

Thessaloniki Port Authority S.A.

Announcement for Dividend Distribution for the Financial Year 2024

ThPA S.A. (or "Company") announces that, according to Article 4.1.1 of the Athens Stock Exchange Regulation and following the decisions of the Annual General Meeting of Shareholders of May 14 th , 2025, the dividend for the financial year 2024 amounts to € 2 per share, subject to 5% withholding tax, hence, net dividend payable will be € 1,90 per share.

The Ex-dividend date is set on Friday, May 16 th , 2025. As of this date, Company's shares will be traded on the Athens Stock Exchange without the right to receive dividend.

The Record Date is set on Monday, May 19 th , 2025. According to the A.S.E. Regulation, beneficiaries of the dividend are the shareholders who are registered in the Dematerialized Securities System's (DSS) records as of the aforementioned Record Date.

Dividend payment date is set on Thursday, May 22 nd , 2025, from the paying bank "Optima bank S.A." as follows:

• 1. Through the Participants of the beneficiaries in the DSS (Banks and AEPEY Investment Services Firms) in accordance with the Regulation of the Greek Central Securities Depository and its relevant decisions.
• 1. Especially in cases of dividend payment to heirs of deceased beneficiaries whose titles are held in the Special Account of the deceased at DSS, under the management of ATHEXCSD, the payment procedure will be carried out after the completion of the legalization of the heirs by the Greek Central Securities Depository and after a written order from the Company to the paying bank. In addition, in case the beneficiary holds securities in A.E.P.E.Y. (Investment Services Co) under liquidation or in a special temporary transfer account, the beneficiary will be paid through the paying bank and after a written order from the Company.

Dividends that will not be collected within five (5) years will be forfeited in favor of the Greek State.

The dividend payment process through the network of "Optima bank" will be valid for one (1) year from the date of payment (until May 22 nd, 2026).

For more information, the Shareholders can contact the Treasury & Investors Relations Dept. (tel. +30 2310 593 335, 2310 593 376, Technical Service Building of ThPA S.A., Gate 11, within the Port of Thessaloniki).

ThPA S.A. www.thpa.gr - pc 54625