2 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL 2 History and structure Design & Technology Market and route-to-market XANT-21 specifications

3 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL The XANT development started with R&D on innovation drive-train concepts and aero-elastic tailoring for mid-size turbines Dec 2011 This first design has undergone Germanischer Lloyd Type-D Certification The XANT-21 design was initiated in Febr 2009 Nov 2009: Selection downwind concept with RISOE: Danisch Research Centre. A working prototype is expected by February 2014 Certification of XANT-21 by Q Blade design with TU Delft & NREL 2014 Milestones in XANTs history

4 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL 4 Global engineering and construction company for industrial biomass energy plants. global consultancy and software company focused on increasing renewable energy installation performance and optimising energy consumption Jo VERSAVEL PARTNERS

5 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL 5 History and structure Design & Technology Market and route-to-market XANT-21 specifications

6 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL 6 XANT is focussing on the medium sized wind turbine market XANTs power range of wind turbines Utility scale wind turbines Small wind turbines Medium sized wind turbines XANT focus area Meters hub height

7 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL 7 XANT features are based on a study done for EU project Reliawind

8 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL 8 XANTs key technological innovations Swept-planform blades Auto pitch Containerized Transport Tilt-up Tower Optimized low- wind-speed power curve Auto Yaw System

9 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL 9 History and structure Design & Technology Market and route-to-market XANT-21 specifications

10 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL Illustration of medium sized wind turbine applications 10 FarmsIndustry & Tertiary Sector Manufct. plants Retail Schools Industrial, Agricultural & Tertiary Mining Eco-lodges Irrigation Desalination Communities IPP Utilities Distributed Generation (grid-connected) Off-grid Generation Typical medium wind turbine applications

11 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL 11 Medium sized wind turbines become available and affordable for an increasing population Site requirements for medium sized wind turbines Moderate wind conditions. Limited planning restrictions or barriers for medium sized turbines. Relatively high electricity prices / high fuel prices. Local consumption. Attractive incentive scheme. Zero-emission / green energy awareness. For an increasing part of the world a medium size wind turbine is a financially attractive energy solution

12 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL Synergies to Clients 12 Diesel gensets / Biomass units

13 Robust, Cost-effective Midsize Wind Turbines CONFIDENTIAL Contact details 13 Hendrik JANSSENS Vaartstraat 61 B Brussels Alexander VAN HEUVERSWYN Gentsesteenweg 224 B HARELBEKE