Iberdrola is a holding company. Through its subsidiaries, Co. operates in four segments: network business, which includes all the energy transmission and distribution activities, and other regulated activity originated in Spain, the U.K., the U.S. and Brazil; deregulated business, which includes electricity generation and sales businesses as well as gas trading and storage businesses carried on by Co. in Spain, Portugal, the U.K. and North America; renewable business, with activities related to renewable energies in Spain, the U.K., the U.S. and the rest of the world; and other businesses, including the engineering and construction businesses and the non-power businesses.

International Airlines Group is an international scheduled airline and global premium airlines. Co.'s principal place of business is London with significant presence at Heathrow, Gatwick and London City airports.

Mapfre is an insurance company based in Spain. Co. is the parent company of a group engaged in the underwriting and provision of insurance in Spain and abroad. Insurance policies provided include: life, non-life, accident, home-owner, general and health. Through its subsidiaries, Co. is also engaged in the provision of reinsurance, the management of investment funds, pension funds and pension plans, real estate and related services. On the domestic market, Co.'s activities include managing investment funds, pension funds and pension plans, real estate and other service businesses.