Share ownership Iberdrola, S.A.

Iberdrola, S.A. is one of the leading Spanish electricity producers and distributors. The group is also the world's No. 1 producer of wind energy. Net sales break down by activity as follows: - distribution of electricity and natural gas (41.5%); - transmission and distribution of electricity and natural gas (39.2%): 255,976 GWh of electricity sold in 2025 and distributed by country between Spain (91,641 GWh), Brazil (80,182 GWh), the United Kingdom (46,490 GWh), and the United States (37,663 GWh), and 66,282 GWh of gas sold in the United States; - production of electricity and renewable energies (19.3%). Net sales are distributed geographically as follows: Spain (36.2%), Brazil (19.9%), the United States (18.7%), the United Kingdom (16.3%), Mexico (3%) and other (5.9%).