Acea — Capital/Financing Update 2025

May 28, 2025

PRESS RELEASE

MOODY'S IMPROVES ACEA'S OUTLOOK TO "POSITIVE" FROM "STABLE" AND AFFIRMS THE RATING AT "BAA2"

Rome, 28 May 2025 – Moody's announced that it has improved ACEA's outlook to "positive" from "stable". At the same time, the rating agency confirmed ACEA's Long-Term Issuer Rating and the Senior unsecured ratings at"Baa2", the Baseline Credit Assessment at "Baa2" and the provisional "(P)Baa2" rating assigned to the 5 billion Euro EMTN programme.

The improvement in ACEA's outlook follows the same trend of the Italy's sovereign debt announced on Friday 23 May. The change also reflects the company's "solid financial profile".

ACEA's ratings are confirmed thanks to a diversified portfolio of regulated activities that ensure a good level of predictability and visibility of the Company's profits.

ACEA Group Contacts Investor Relations Tel. +39 0657991 investor.relations@aceaspa.it

Press Office

Tel. +39 0657997733 ufficio.stampa@aceaspa.it Corporate website: www.gruppoacea.it