1. Nombre Parque Eólico Wind Farm Expansion of current Wind Farm Nombre Parque Eólico Wind Farm Expansion of current Wind Farm Evolution and present status ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

2. Project criteria for existing Wind Farm 2 Best available technology selection 12 Neg-Micon NM 900/52/55 IEC Class II, 900 KW. Total: 10.8 MW Maximum compliance with environmental constraints during construction and operation Future expansions are taken into consideration when M26 was conceived ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

3. Project criteria for the project Wind Farm 3  Best available technology 14 x 2,750 KW turbines  Total power deployed: 38.5 MW  Total production: 150,805 MWh/year  3,917 net equivalent hours  Power line: already existing (ready for 100 MW)  Power Transfer Station: already existing (minor modifications)  Total natural area affected: 7.9 ha ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

4. Best available technology Current turbine 900 KW Projected turbine 2.750 KW 0 ft 148 ft 302 ft 466 ft 1 5 7 f t 3 2 8 f t 4 ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

5. Wind Farm Power Station  Minor modifications to adapt to new requirements: Adition of 3 new power cells (building ready) Replacement of trafo protection cell 20/66 kV by 2.000 A Replacement of trafo protection cell 20/66 kV by 2.000 A New cells for M27 5 ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

6. 6  Substitution of traditional electricity production methods responsible for ‘greenhouse effect’  Comparison against a coal fuelled plant (Source: Energy National Comission) Energy balance M Annual production MWh 150,805 Dwellings supplied45,512 CO2 avoided t 147,913 SO2 avoided t 3,868 NOx avoided t 546 ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

7. Wind farm Power Station  Slight modifications Replacement of current transformer (ground structure already in place) 7 ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

8. Alternatives considered Complaint solving (II) 8 July 2004 Public enquiry for Expansion December 1999 Administrative approval 10,8 MW July 2002 Expansion request to 49,3 MW July 2003 Expansion request publication December 2003 begins operation December 2002 Power Line Administrative approval ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

9. Complaint solving (II) Access track layout changes Minimization of affection to gypsum soils and shrubs New track layout through cultivated land Minimization of the visual impact by retracing of tracks through endorreic valleys 9 July 2004 Public enquiry for Expansion December 1999 Administrative approval 10,8 MW July 2002 Expansion request to 49,3 MW July 2003 Expansion request publication December 2003 begins operation December 2002 Power Line Administrative approval ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

10. Complaint solving (II) Land use changes as a result of compensatory measures 9.5 ha of land are removed from cultivation and left to natural regeneration 10 July 2004 Public enquiry for Expansion December 1999 Administrative approval 10,8 MW July 2002 Expansion request to 49,3 MW July 2003 Expansion request publication December 2003 begins operation December 2002 Power Line Administrative approval ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

11. Project timeline July 2002 Request for power expansion to 49,3 MW July 2003 Expansion request published officially July 2004 Official Bulletin publication and public enquiry period 200220032004 11 Since July 2005, the Wind Farm is awaiting administrative approval. This authorisation does not relate to the resolution of issues regarding the connection to the electricity grid. July 2005 Approval and publication in Official bulletin Awaiting administrative approval 20052006 2007 ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico

12. 12 Created by Enviria Proyectos February 2007 ©2007 Nombre del cliente– CONFIDENTIAL – Nombre Parque Eólico