Description of the electric substation engineering services of the company.

1. ENGINEERING FOR TRANSMISSION AND DISTRIBUTION SYSTEMS

2. LOCATION Madrid Malaga Barcelona Santander Zaragoza Italy Ecuador Peru GRUPO SISENER INGENIEROS Head office: Paseo Sagasta 17, 1º 50008 ZARAGOZA (SPAIN) Tel.: +34 976 30 13 51 — Fax: +34 976 21 47 60 www.sisener.com USA SPAIN

3. ORGANIZATION CHART - GENERAL GENERAL MANAGEMENT TECHNICAL MANAGEMENT COMMERCIAL MANAGEMENT FINANCIAL MANAGEMENT

4. ORGANIZATION CHART – ENGINEERING TECHNICAL MANAGEMENT SUBSTATIONS POWER LINES DEPARTMENT CIVIL ENGINEERING DEPARTMENT RENEWABLE ENERGIES DEPARTMENT TECHNICAL ASSISTANCE DEPARTMENT ELEC.MECHANICAL ENGINEERING DEPARTMENT CONTROL AND PROTECTION DEPARTMENT PROJECT COORDINATION SISENER ESTRUCTURAS, S.L.

5. STAFF DISTRIBUTION

6. BUSINESS AREAS DISTRIBUTION

7. REFERENCE CLIENTS

10. SCOPE OF WORKS -SUBSTATIONS 110/30 kV TORREMADRINA SUBSTATION EARTH MOVEMENT: - Excavation and filling modelation - Platform plan

11. SCOPE OF WORKS -SUBSTATIONS 132/20 kV CARCABAS SUBESTATION Transformer founddation calculation

12. SCOPE OF WORKS -SUBSTATIONS 132/20 kV LA DEHESICA SUBSTATION Emergency oil tank calculation

14. SCOPE OF WORKS -SUBSTATIONS 220 kV GOVE SUBSTATION 3D - Metallic structure Plan

15. SCOPE OF WORKS -SUBSTATIONS 400 kV TABERNAS SUBSTATION Gate modelation

16. SCOPE OF WORKS -SUBSTATIONS 110/25 kV AGRAMUNT SUBSTATION Ligthning protection modelation

17. SCOPE OF WORKS -SUBSTATIONS 132/30 kV LA DEHESICA SUBSTATION Outdoor light modelation

19. SCOPE OF WORKS -SUBSTATIONS 132/55 ROMIO SUBSTATION Single Line Diagraman

20. SCOPE OF WORKS -SUBSTATIONS 400/132/33 kV QATRANA SUBSTATION Single Line Diagraman

23. SCOPE OF WORKS -POWER LINES … THANK YOU !