REN-Redes Energeticas Nacionais

Report Publication Announcement • Feb 20, 2024

Unofficial Translation This is an unofficial translation of the communication indicated below and it has been prepared for information purposes only. In the event of any discrepancy between this translation and the Portuguese version, the Portuguese version will prevail.

ANNOUNCEMENT

ISSUANCE OF 300 MILLION EUROS IN GREEN BONDS

Pursuant to and for the purposes of article 17 of Regulation (EU) number 596/2014 of the European Parliament and of the Council of 16 April 2014, and other applicable regulations, REN – Redes Energéticas Nacionais, S.G.P.S., S.A. ("REN") hereby informs the market and the general public that:

On the date hereof, REN Finance B.V. (a company wholly owned by REN) has agreed the terms of an issue of notes in the Euro Bonds market in an amount of 300 million euros, under the respective EMTN (European Medium Term Notes) programme from REN and REN Finance B.V., with a maturity of 8 years and a yield of 3.614% p.a., which corresponds to the 8-year mid swap rate plus 90 bps. This bond issue is part of REN´s regular funding policy.

The issue is carried out within the scope of REN's Green Finance Framework and reflects the alignment of REN's group financing and sustainability policies.

REN – REDES ENERGÉTICAS NACIONAIS, SGPS, S.A.

Lisbon, February 20th 2024