vestas.com Texas/European Union Wind Energy Symposium October 2009 Dr. Carsten Hein Westergaard Vestas Technology R&D Americas, Inc.

2 | Presentation title, January 19, 2016 A little history – 1896 to 1908 Funded by the Danish state, Paul la Cour experimented with wind turbines (mills) Poul la Cour systematically researched how wind power could support his social vision For la Cour the windmill was a power plant, which should produce a maximum of energy Included aerodynamics investigations in a wind tunnel Included storage in Hydrogen And many more interesting details cour.htmhttp:// cour.htm

3 | Presentation title, January 19, 2016 Status and going forward with wind in EU EU 2007: 56 GW installed capacity, including 1 GW offshore Annual investments in wind turbines of 11 bEUR ($15b) EU 2020 vision: 180 GW installed capacity, including 35 GW offshore Total wind power investments of 12 bEUR / yrs ($16b) EU 2030 vision: 300 GW installed capacity, including 120 GW offshore Total wind power investments of 18 bEUR / yrs ($25b) Source: EWEA

4 | Presentation title, January 19, 2016 DoE 20/30 report 20% Wind Scenario: Major Challenges Investment in the nation’s transmission system so the power generated is delivered to urban centers that need the increased supply; Larger electric load balancing areas, in tandem with better regional planning, so that regions can depend on a diversity of generation sources, including wind power; Continued reduction in wind capital cost and improvement in turbine performance through technology advancement and improved manufacturing capabilities Addressing potential concerns about local siting,

5 | Presentation title, January 19, 2016 Each year, a Vestas V90-3MW produces the same amount of electricity as 7,582 barrels of oil

6 | Presentation title, January 19, 2016 Vestas is the largest Wind Turbine manufacturer in the world Employing approx. 23,000 people Working in 24 countries worldwide We install a new wind turbine every 4 hours 63 countries 80 x V MW, HornReef, Denmark

7 | Presentation title, January 19, 2016 Fast ramp-up on MW capacity

8 | Presentation title, January 19, 2016 Vestas in North America

9 | Presentation title, January 19, 2016 Strategically located manufacturing facilities next to rail lines for cost effectiveness and reliability. Windsor, CO - Blade manufacturing Brighton, CO - Nacelle assembly and blade manufacturing Pueblo, CO - Tower manufacturing Chicago, IL - Procurement office By end of 2010 Vestas employs more than 4000 people in the US

10 | Presentation title, January 19, 2016January 19, 2016 Today one turbine produces 3000 kW 25 years ago, this was 3000 kW

11 | Presentation title, January 19, 2016January 19, 2016 Our Product family and wind technology development Our fleet: 35,000 Turbines delivered = Total required power in Spain 63 countries 55kW … 3.0 MW Future: Cost of energy Reliability Technology

12 | Presentation title, January 19, 2016January 19, 2016 Complexity Old tractor Vestas V10 Vestas V90-3MW World largest

13 | Presentation title, January 19, 2016January 19, 2016 Operational Condition – 20 years, limited service access Environmental conditions Weather/Climate conditions Thermal stress Turbulence Lightning and EMC Waves, snow, ice And… and…. and…. Zafarana Egypt New ZealandOberzeir, AustriaNorth Hoyle, UKLasLomas, SpainKvalheim, Norway Nebraska, USA

14 | Presentation title, January 19, 2016January 19, 2016 Blades Transport

15 | Presentation title, January 19, 2016January 19, 2016 Vestas Test Center – Ensuring Reliability of the V100 6,600 m 2 Opened in December 2007 All main components and prototypes tested The V100 benefits from testing of Yaw system Bed plate 6 pole generator etc. 6 pole generator test

16 | Presentation title, January 19, 2016January 19, 2016 Innovation in our newest fleet member, the V112 Cost effective servicing – no crane required

vestas.com Thank you for your attention Carsten H. Westergaard, Global Technology Director Vestas Technology R&D Americas Copyright Notice The documents are created by Vestas Wind Systems A/S and contain copyrighted material, trademarks, and other proprietary information. All rights reserved. No part of the documents may be reproduced or copied in any form or by any means—such as graphic, electronic, or mechanical, including photocopying, taping, or information storage and retrieval systems without the prior written permission of Vestas Wind Systems A/S. The use of these documents by you, or anyone else authorized by you, is prohibited unless specifically permitted by Vestas Wind Systems A/S. You may not alter or remove any trademark, copyright or other notice from the documents. The documents are provided “as is” and Vestas Wind Systems A/S shall not have any responsibility or liability whatsoever for the results of use of the documents by you.