Lisbon, March 23rd, 2021: Pursuant to the terms and for the purposes of articles 17 and 244 of the Portuguese Securities Code and of the CMVM Regulation no. 5/2008, EDP - Energias de Portugal, S.A. (EDP) is providing the following information to the market:

On March 17th, 2021, AllianceBernstein L.P. (“AllianceBernstein”) notified EDP that, in accordance with article 16 of the Portuguese Securities Code, it had reached a qualified shareholding correspondent to 1.96% of EDP’s share capital and of the respective voting rights. The 2% threshold was reduced by AllianceBernstein on March 12th, 2021.

Information regarding the chain of controlled undertakings and voting rights is disclosed in the attachment.

EDP – Energias de Portugal, S.A.