Payment of dividends of the 2025 financial year

CTT - Correios de Portugal, S.A. Av. dos Combatentes, 43 - 14th Floor 1643-001 LISBOA

Lisbon commercial registry and fiscal no. 500 077 568

Share Capital EUR 66,910,000.00

CTT - Correios de Portugal, S.A. ("CTT"), following the approval of the proposal for the allocation of profits by the Annual General Meeting 2026, hereby informs on the payment of dividends concerning the 2025 financial year.

Dividends relating to the financial year of 2025 shall be payable on the dates, under the terms and in the amounts per share indicated below:

Ex-dividend date: 26 May 2026

Dividend payment date: 28 May 2026

(*) Dividends are subject to a definitive withholding tax of 35% when paid or made available: (i) in bank accounts opened in name of one or more holders but on behalf of unidentified third parties, except in the case that the effective beneficiary is identified; or (ii) to non-resident entities with no permanent establishment in Portuguese territory, who are domiciled in a country, territory or region under a tax regime clearly more favourable, included in the approved list published by the Ministry of Finance.

In accordance with the applicable regulations, payment of the dividend will be made through the Central Securities Depository. The paying agent appointed for this purpose is Banco Montepio.

Shareholders who are entitled to a tax exemption, waiver or reduction from the withholding rate for personal/corporate income tax must provide evidence of all the relevant facts allowing them to benefit from such exceptions to the entity obliged to withhold the relevant taxes prior to the dividend payment date.

This information is made available to the market and the general public under the terms and for the purposes of Article 29-K(1)(b) of the Portuguese Securities Code and Article 7(1) of the CMVM Regulation no. 1/2023. It is also available on CTT website at: https://www.ctt.pt/grupo-ctt/investidores/comunicados/index?language_id=1.

CTT - Correios de Portugal, S.A.

Guy Pacheco

Nuno Vieira

Email: investors@ctt.pt I Phone: + 351 210 471 087