REN Redes Energeticas Nacionais : Completion of the acquisition of the EDP Gás Distribution business

Unofficial Translation

This is an unofficial translation of the press release made below and it has been prepared for information purposes only. In the case of any discrepancy between this translation and the Portuguese version, the Portuguese version will prevail.

Pursuant to and for the purposes of article 17 of Regulation (EU) No 596/2014, of the European Parliament and of the Council, of 16 April 2014, of article 248 of the Portuguese Securities Code and other applicable regulation, REN - Redes Energéticas Nacionais, S.G.P.S., S.A. ("REN") hereby informs the market and the general public that, on the present date, and following the communications dated as of 7 April and of 21 September 2017, its subsidiary REN Gás, S.A. acquired on this date from EDP Iberia, S.L.U. the entire share capital of EDP Gás, S.G.P.S., S.A. ("EDP Gás") and its subsidiaries, EDP Gás Distribuição, S.A. and EDP Gás GPL - Comércio de Gás Petróleo Liquefeito, S.A..

As previously disclosed, this transaction has been funded with credit facilities and, subject to the approval by REN´s relevant corporate bodies, it is expected to be partially refinanced by a share capital increase consisting of new cash contributions through a rights issue.

The completion of the acquisition has been preceded by the regulatory approvals and the conclusion of the carve out of the natural gas last resort supplier - EDP Gás, Serviço Universal, S.A. - from EDP Gás' perimeter.

Lisbon, 4 October 2017

REN - REDES ENERGÉTICAS NACIONAIS, S.G.P.S., S.A.

The information contained herein is not for release, publication or distribution, directly or indirectly, in or into the United States, Canada, Australia, Japan or any other jurisdiction in which the distribution or release would be unlawful.

These written materials do not constitute an offer to sell, or a solicitation of offers to purchase or subscribe for, securities in the United States. Any securities referred to herein have not been, and will not be, registered under the Securities Act of 1933, as amended, and may not be offered, exercised or sold in the United States absent registration or an applicable exemption from registration requirements. There is no intention to register any of the securities in the United States or to conduct a public offering of securities in the United States.

The issue, exercise or sale of securities in any potential offering are subject to specific legal or regulatory restrictions in certain jurisdictions. The Company assumes no responsibility in the event there is a violation by any person of such restrictions.

The information contained herein shall not constitute an offer to sell or the solicitation of an offer to buy or subscribe for, nor shall there be any sale of the securities referred to herein, in any jurisdiction in which such offer, solicitation or sale would be unlawful. Investors must neither accept any offer for, nor acquire or subscribe for, any securities to which this document refers, unless they do so on the basis of the information contained in the applicable prospectus published or offering circular distributed by the Company.

The Company has not authorized any offer to the public of securities in any Member State of the European Economic Area.

This communication is only being distributed to, and is only directed at (A) persons who are outside the United Kingdom or (B) in the United Kingdom, persons who (i) have professional experience in matters relating to investments who fall within the definition of "investment professionals" in Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005, as amended (the "Order"), or (ii) are high net worth entities, and other persons to whom it may lawfully be communicated, falling within Article 49(2) of the Order (all such persons together being referred to as "relevant persons"). Any investment or investment activity to which this communication relates will only be available to and will only be engaged in with, relevant persons. Any person who is not a relevant person must not act or rely on this document or any of its contents.