Pursuant to the terms and for the purposes of article 244 of the Portuguese Securities code and of the CMVM Regulation 5/2008, EDP - Energias de Portugal, S.A. (“EDP”) is providing the following information to the market:

On October 20th, 2017, State Street Corporation notified EDP that, in accordance with article 20 of the Portuguese Securities Code, it had reached a qualifying shareholding of 72,980,241 ordinary shares of EDP, which correspond to 2.00% of EDP’s share capital and of the respective voting rights.

State Street Corporation also informed that the chain of entities relevant for the calculation of the significant shareholding in accordance with number 1 of article 20 of the Portuguese Securities Code is detailed in the attachment.

The total of shares and voting rights held by State Street Corporation increased above the 2.00% level of EDP’s share capital on October 16th, 2017.

Subsequently, on October 23rd, 2017, State Street Corporation notified EDP that, in accordance with article 20 of the Portuguese Securities Code, it had reduced its qualifying shareholding to 72,812,745 ordinary shares of EDP, which correspond to 1.99% of EDP’s share capital and 1.99% of the respective voting rights.

State Street Corporation also informed that the chain of entities relevant for the calculation of the significant shareholding in accordance with number 1 of article 20 of the Portuguese Securities Code is detailed in the attachment.

The total of shares and voting rights held by State Street Corporation decreased below the 2% level of EDP’s share capital on October 18th, 2017.

EDP – Energias de Portugal. S.A.