The Turbine 1MW ‘Ex-55’ Model Direct Drive No Gearbox Permanent Magnet Generator No separate Cooling Full Convertor Eliminates number of moving parts Hub Height:60 mtr Class: II B Rotor Dia:55 mtr Hot/Cold Regions Low noise levels

What’s Unique about Extol Wind In the league of select global companies that have technology for megawatt wind turbines Among the first to confirm to latest GL-2010 standards Certified by TUV Nord Germany Incorporates latest advancements; Permanent Magnet & Direct drive We make wind energy viable

The Company Promoted by professional from top institutions (IIM, MIT) with rich industry experience Part of large business house, Extol Group of Companies 10 Year track record excellence Proprietary technology of 1 MW and 2.5 MW Company Standing Group owned assets worth $380 M Soft Asset-technology and design worth $1B

World Class Manufacturing Facility

Status 1 MW machines under serial production 2.5 MW model under certification Manufacturing capacity of 100 MW P.A. Under Expansion to 150 MW P.A. GL 2010 Design Approval Wind farms under construction in India & US

Strengths - Design Highly efficient gearless (direct drive) technology Certification as per Germanaisher LLyod(GL), Germany Robust machine design Proprietary design & technology Permanent magnet generator for improved generation Combination profile blades for improved performance in low wind Compact design for low maintenance

Strengths - Manufacturing Manufacturing capacity 100 MW, expanding to 150 MW In-house manufacturing of dust/snow resistant epoxy Blades In-house manufacturing of permanent magnet Generator In-house manufacturing of Tower, Nacelle, and Spinner Cover ISO & GL approved for process quality

Strengths – Quality Momentive, Germany Bonfigloli, Italy MitaTecnik, Denmark Rotherde, Germany Ingeteam, Spain Bakker Magnetic, Netherlands Rotherde, Germany Ingeteam, Spain Bakker Magnetic, Netherlands Tie up with world’s leaders for turbine component supplies

Strengths - Performance Variable speed design gives more power at given speed Gearless design limits losses Self start adds to generation Full converter improves power quality and saves utility deductions Minimal moving parts reduces maintenance and down time Combination profile blades with high strength-light weight epoxy fiber delivers more power

Industry Prospects Main Players- India Suzlon Wind World* Gamesa Regen*# Inox* Kenersys* Main Players- US Vestas GE Gamesa Siemens# Gold Wind# * Franchise Technology # Direct drive technology Source:MNRE, India Source:GWEC

The Business Manufacturer mega watt series wind turbines License design & technology to large scale manufacturers BOOT : Wind Farms

The Business- Wind Turbines 1 MW,2.5 MW Models Low Maintenance gearless turbines with minimum moving parts Cost effective design Manufactured as per GL, IPE & ISO Shortest supply times Long term warranty options* Power curve performance guarantee options* *Conditions apply

The Business- Technology licensing Internationally certified design Opportunity to $75 Billion market cagr (sources GWAC) Comprehensive license includes design and process technology Handholding support Assured component supplies

The Business- Wind Energy Wind energy project in US 400 MW wind energy project in pipe line in India Approvals and infrastructure in place at MP, MH & Rajasthan (Dewas, Ratlam, Jaisalmer, Pratapgrah, Dhule) Assured returns with highest PPA rates of Rs. 5.92/ unit

Technology-Component Comparison S.NOCOMPONENTGEARED TURBINESEXTOL WIND 01Gear Box Huge Gear Box Approximately 40 T Completely eliminated 02Gear Box OilMore than 2000 Lit.No Oil 03Oil Filter2 Nos.N.A. 04 Noise levels from mechanical movement HighLow 05Oil circulation Pump1 No.N.A. 06Oil Pipe-line & fittingRequiredN.A. 07Heat exchangersRequiredN.A. 08Radiator fan etc..RequiredN.A. 09 Cooling control system RequiredN.A. 10 Generator cooling system Required Natural draft cooling 11 Flexible coupling to absorb vibration RequiredN.A. 12Large size NacelleRequiredSmall Nacelle 13Entry to the nacelle (Ease of Repair) CumbersomeEasy

1 MW Installation- The Impact (2.5 M Kwh) units of energy per Annum. 2.Electricity generation to lighten 5000 homes million units of generation in 25 years. 4.Saving environment of tons of Co2 (carbon di-oxide) emission. 5.Saving environment of poisonous SoX,NoX & mercury pollution. 6.Saving river & water environment of 25,000 tons of ash. 7.Saving mining damage to sub strata of tons of coal (cause of deforestation and earth quakes) 8.Saving ozone layer depletion & global warming. 9.Saving road transportation congestion of 6 million truck-km. 10.Saving 2M ltr diesel in transport of coal. 11.Saving foreign exchange on diesel import costing $ 1.6 million.

Global Opportunities Fast growing Market Share: One amongst the few manufacturers of gearless permanent magnet direct drive machines Access to export market with a global license for megawatt turbine Technology transfer market of $1B Export opportunity : Share in global wind turbine market of $75B