Lisbon, December 23rd 2017: EDP – Energias de Portugal, S.A. (“EDP”) announces the expected dates for the following 2018 corporate events:

• 2017 Annual Results: March 1st 2018

• Annual Shareholders’ Meeting: April 5th 2018

• First Quarter 2018 results: May 10th 2018

• Second Quarter 2018 results: July 26th 2018

• Third Quarter 2018 results: November 8nd 2018

EDP will inform the market in the case of changes to the dates of the 2018 financial calendar.

EDP – Energias de Portugal. S.A.