Entrecanales family vehicle launches accelerated bookbuild to sell 1,650,000 Acciona shares, about 3% stake

• Tussen de Grachten launched an accelerated bookbuild to sell about 1,650,000 shares in Acciona, equal to roughly 3% of share capital.
• Morgan Stanley is sole bookrunner; the bookbuild opened immediately and can close at short notice.
• Proceeds will go to the selling shareholder; Acciona is not participating and will not receive any funds.
• The sale aims to diversify holdings for certain Entrecanales family members invested via Tussen de Grachten.
• Post-transaction, Tussen de Grachten expects to retain about 26% of the company, subject to a 90-day lock-up.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Acciona SA published the original content used to generate this news brief on August 03, 2026, and is solely responsible for the information contained therein.