NOTICE N.º 0386/24

We hereby inform that, on 16^th April, 2024, 38.700.000 units of commercial paper, with a nominal value of 50.000,00 EUR, of the company REN - Redes Energéticas Nacionais, S.G.P.S., S.A., shall be registered, regarding the issue "REN - COMMERCIAL PAPER 38.700.000 EUR TRANCHE 178 (PRG 800M EUR)", under the code RE1FJM (ISIN PTRE1FJM0088).

This issue will be cancelled on 24^th June, 2024.

Euronext Securities Porto, 15^th April, 2024