Errázuriz & Asociados carries out its various activities based on a Holding company structure made up of separately managed companies that are permanently supervised and coordinated by an overall Board of Directors in charge of defining the fields of interest as well as the medium and long-term strategies and objectives for the group of companies.

The following companies make up the Errazuriz Group:

• E&A Ingenieros: Engineering services for nuclear, thermo, wind, biomass, solar and hydroelectric generation projects; power transmission; geological engineering, greenhouse gas abatement projects (carbon credits) and environmental consulting.

• E&A Comercial: Supply of equipment for thermoelectric, hydroelectric, nuclear, wind, biomass and solar power generation; power transmission and distribution; engines and generators; cranes and conveyor belts; other industrial equipment and industrial supplies.

• E&A Infraestructura / YPE Ingeniería y Construcción: Organization, management, coordination, basic and detailed engineering, construction, assembly and supplies for small and medium-sized thermoelectric and hydroelectric projects.

• Andes EAC: Development of projects for direct investment: identification, economic and technical feasibility, financing, development and control of execution.

The structure described above provides Errazuriz & Asociados with the necessary coordination and flexibility to face all the stages and basic aspects of a project.