Pursuant to the terms and for the purposes of article 16 and 20 of the Portuguese Securities Code and article 12 of the Portuguese Securities Commission Regulation no. 5/2008, EDP - Energias de Portugal SA ("EDP") has provided the following information to the market:

On July 31, 2012, Massachusetts Financial Services Company ("MFS") notified EDP regarding the decrease of a qualifying holding of 2.01% to 1.989% of the EDP share capital. The change of the participation resulted from the selling through NYSE Euronext Lisbon of 765,338 shares on July 30, 2012.

As a result of this transaction, MFS currently holds 72,730,123 shares, representing 1.989% of EDP share capital and 1.989% of its voting rights.

MFS 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 are the following:

- Massachusetts Financial Services Company, which holds directly 72,723,315 ordinary shares of EDP, corresponding to 1.9889% of EDP's share capital and 1.9889% of the respective voting rights;

-  MFS Institutional Advisors, Inc., which holds 6,808 ordinary shares of EDP, corresponding to 0.0002% of EDP's share capital and 0.0002% of the respective voting rights.

EDP – Energias de Portugal, S.A.