Pursuant to the terms and for the purposes of article 248-A of the Portuguese Securities code, EDP - Energias de Portugal, S.A. (“EDP”) provides the following information to the market and general public:

EDP Serviço Universal, S.A. (“EDP SU”), the last resort supplier of the Portuguese electricity system, 100% owned by EDP Group, agreed today the sale of EUR 97 million of the 2017 tariff deficit, related with special regime generation.

This tariff deficit resulted from the 5-year deferral of the recovery of the 2017 overcost with the acquisition of energy from special regime generation (including adjustments for 2015 and 2016).

EDP – Energias de Portugal, S.A.