"Iberdrola Retribución Flexible" Calendar

During December 2024

• Notice regarding, if applicable, the fulfilment of the Requirements in connection with the payment of the Interim Dividend.

31 December 2024, and 2, 3, 6 and 7 January 2025

• Trading sessions considered for the calculation of the number of free allocation rights required to receive one newly-issued share and the gross amount of the Interim Dividend per share for the fiscal year 2024.

8 January 2025

• Notice regarding the number of free allocation rights required to receive one newly issued share and the gross amount of the Interim Dividend per share.

9 January 2025

• Publication of the announcement of the implementation of the Capital Increase in the Official Gazette of the Commercial Registry.
• Last trading date on which the shares of Iberdrola are traded with the right to participate in the "Iberdrola Retribución Flexible" system.

10 January 2025

• Ex-date from which the shares of Iberdrola are traded without the right to participate in the "Iberdrola Retribución Flexible" system.
• Commencement of the Common Election Period and of the trading period for the free allocation rights.

11 January 2025

• Record date to determine the shareholders with the right to participate in the "Iberdrola Retribución Flexible" system.

23 January 2025

• End of the Common Election Period and the trading period for the free allocation rights.

31 January 2025

• Payment of the Interim Dividend to those shareholders who have elected to receive cash through this option.
• Registration of the newly-issued shares to be issued under the capital increase in the book-entry records of "Sociedad de Gestión de los Sistemas de Registro, Compensación y Liquidación de Valores, S.A.U." (IBERCLEAR).

5 February 2025

• Expected commencement of trading of the new shares.