IBERDROLA, S.A. from 02/07/2024 to 02/07/2024 02/07/2024 07:38 IBERDROLA, S.A. On financial instruments Supplement to the information memorandum relating to the first edition of the “Iberdrola Retribución Flexible” optional dividend system of the fiscal year 2024 Register number: 29480 Related to communication no. 29232 dated 20/06/2024 (13:26)