The document discusses the potential for offshore wind power, particularly floating offshore wind power. It describes Principle Power's WindFloat technology, which uses a semi-submersible floating concrete hull to support wind turbines in water depths of 50 meters or more. Key points include that WindFloat offers lower costs than traditional fixed-foundation offshore wind through simplified assembly, installation, and reduced environmental impacts. Market development projects are planned in Portugal and the United States to demonstrate the technology and help commercialization.

3. 1970: 3.7 BILLION PEOPLE Source: NASA

4. 2010: 7 BILLION PEOPLE Source: NASA

8. OFFSHORE WIND RESOURCE Source: Willet Kempton, U of DE Delaware 20 miles Offshore Nearshore Onshore

9. OFFSHORE WIND – PRIMARY MARKET POTENTIAL AND RESOURCE Source: Risø National Laboratory, Roskilde, Denmark Source: US National Renewable Energy Lab

10. OFFSHORE WIND – CURRENT DEVELOPMENT

11. WATER DEPTH ECONOMICS Semi-Sub Monopile 0-30m, 1-2 MW Jacket/Tripod 25-50m, 2-5 MW Floating Structures >50m, 5-10MW Spar TLP Floating Structures >120m, 5-10MW Water Depth

14. WINDFLOAT – DEVELOPMENT HISTORY EDP and Principle Power sign MOA for phased development of WindFloat technology and commercial deployment of a wind farm up to 150MW Wave tank testing of 1:80 th scale Minifloat III concept at Oceanic MI&T performs Minifloat proof of concept model tests Wave tank testing of Minifloat I & II concept MI&T files Minifloat patent 1 Wave tank testing of 1:96 th scale Minifloat IV concept at University of California, Berkeley tow tank Minifloat patent 1 issued US7086809, Minifloat patent 2 filed Wave tank testing of 1:67 th scale WindFloat model at University of California, Berkeley tow tank Principle Power exclusively licenses WindFloat intellectual property from MI&T Minifloat patent 2 isssued US7281881 EDP initiates the WindFloat Project with Phase-0, a full-scale WindFloat unit with a non-grid connected sub-megawatt wind turbine in the Algarve region Wave tank testing of 1:96 th scale WindFloat model at University of California, Berkeley tow tank Principle Power purchases outright all intellectual property for WindFloat from MI&T

15. LARGE OFFSHORE TURBINE SUPPLIERS Product & Track Record Development Plan Product/size (MW) Drive type # offshore installed 2008 2009 2010 2011 Siemens S90 - 3.6 Multi stage gearbox 83 Serial  S90 - 3.6 Direct drive Prototype 0-series 6 Direct drive Prototype 0-series 10 Direct drive Prototype Vestas V90 – 3 Multi stage gearbox 332 Serial  5+ Multi stage gearbox Prototype REpower 5M – 5 Multi stage gearbox 2 Serial  6 Multi stage gearbox Prototype 0-series Multibrid M5000- 5 Single stage gearbox 0-series Serial  BARD 5 Multi stage gearbox Prototype 0-series Serial  Clipper 7 - 10 Planetary gearbox Prototype XEMC Darwind DD115 – 5 Direct drive Prototype GE (ScanWind) 4 Direct drive

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