Grand Valley Phase III Developing Ontario’s Clean Energy Future April 2012 Greta Energy Inc Confidential

Greta Energy Overview Small and experienced, Canadian wind power developer Financing relationships, including contacts with large financial institutions, such as the EBRD Supplier relationships with the leaders in AE technology (GE, Siemens, Vestas, Winwind, Goldwind) International presence with experience in established markets, as well as emerging markets in the AE sector Access to, and experience with Eastern European market Broader development/industrial experience (KAI Services)

Ontario at a Glance Facts and Figures World-class legislative environment for wind power Green Energy and Green Economy Act (GEA) includes –streamlined approval process for wind projects –Guaranteed Feed-in Tarrif (FIT) of $135/MWh Clear legislation and responsive government eliminate bureaucratic roadblocks vis-à-vis other markets 1 1 Anticipated growth in wind energy supply While wind accounted for only 1.9% of total electric output in 2010, the Independent Electricity System Operator anticipates the GEA will accelerate the expansion of wind energy by thousands of megawatts Over 500 MW of additional installed capacity under development 2 2 Large and integrated electrical system Ontario is Canada’s largest producer and consumer of electricity with over 38 GW of installed capacity Large peak consumer demand and integration with hydro supply favor additional wind production 3 3

Phase I and II (19.8 MW) complete (Up to 40 MW in Phase III) 10 km north of the town of Grand Valley and 21 km northwest of the town of Orangeville Relatively simple terrain with gentle slopes and elevation ranging between m Phase I and II (19.8 MW) complete (Up to 40 MW in Phase III) 10 km north of the town of Grand Valley and 21 km northwest of the town of Orangeville Relatively simple terrain with gentle slopes and elevation ranging between m Grand Valley, Canada Project Description (Phase I & II operational)

Phase I & II Highlights (Completed) Phase IPhase II Capital Cost$57.5 million CAD Greta Energy Equity Share25% PartnerVeresen Inc. Number of turbines9 Purchase Agreement20-year PPA with Ontario Government Phase I Purchase AgreementRESOP $121 / MWh Phase II Purchase AgreementFIT $135 / MWh TurbineSiemens 2.3 MW StatusCompleted and online Structure Equipment and Purchase Agreements

Phase III details Phase IPhase II Estimated Capital Cost$110 million CAD Number of turbines18 Purchase Agreement Type20-year PPA with Ontario Government Purchase Agreement PriceFIT $135 / MWh TurbineSiemens 2.3 MW Estimated Start DateSummer 2013 Estimated Completion DateSpring 2013 Structure Equipment and Purchase Agreements Purchase agreement price exceeds available guarantees going forward (signed pre-NTP waver with OPA)

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