Pursuant to the terms and for the purposes of article 248 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, through two separate transactions, the sale of EUR 348 million of the 2016 tariff deficit related with special regime generation.

This tariff deficit resulted from the 5-year deferral of the recovery of the 2016 overcost with the acquisition of energy from special regime generation.

EDP – Energias de Portugal, S.A.