Designed for Extremes.

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1 Designed for Extremes. Wind Energy for Canadian Mines Adrienne Downey, Executive Director Business Development, ENERCON Canada , CIM Management and Economics Society, Toronto, ON 1

2 Privately owned, multinational, state-of-the art wind turbine manufacturer 2

3 ENERCON Projects across Canada M ChigeengFirst Nation, ON Castle Rock Ridge, BC Bear Mountain, AB Glen Dhu, NS Le Plateau, QC 3

4 Challenges faced by Renewable Energy Projects in Remote Areas Exposure: Storms, Wind, Ice, Marine & Saltwater Localsupplychain& construction services available Cold Climate Operation < -40 C Site Logistics for ComponentShipping, Cranes Site Logistics for ComponentShipping, Cranes Grid? Stabilization& Integration (f, V): Event RidethroughsUV/OV, Distances& ReactivePower Losses Data acquisition& remote monitoring systems O&M: Personnel, Training, Dedication& AvailabilityofMaintenance Teams, Replacement Parts

5 Turbine Design: Based on Robust Platforms E ,000 V avg of 7.0 E-101 Gross AEP MWh/a 8,000 6,000 E-66/E-70 E-82 E-92 4,000 E-66 Robust platforms with +21,0000 WECs installed worldwide Continuous improvement in annual energy yield Turbine options for IEC class I, II and III regimes Turbine capacities: 800kW-7.5MW 2, E MW Ø: 66 m 1999 E MW Ø: 70 m 2002 E MW Ø: 70 m 2003 E MW Ø: 71 m 2005 E MW Ø: 82 m 2009 E MW Ø: 82 m 2010 E MW Ø: 82 m 2011 E MW Ø: 101 m 2013 E MW Ø: 92 m 2014 E MW Ø: 115 m 5

6 Turbine Design: Incorporating Proven Technologies Direct Drive Generator 18+ years Concrete Towers Rotor Blade 8+ years De-icing systems Full scale Inverters 18+ years Storm Control Cast Components 6

Cold Climate package WEC outputneeds to be limited at low temperatures to avoid damage Operation at 100% or rated active power down to -30 C possible Modified Components and Consumables (Castings,

7 Cold Climate package WEC outputneeds to be limited at low temperatures to avoid damage Operation at 100% or rated active power down to -30 C possible Modified Components and Consumables (Castings, Tower design & mettalurgyfor cold operation, Lubricants) 100 Max. activepower [% ofrated] 25 Standard Cold Weather Curtailment Cold Weather Curtailment with Cold Climate Package Temperature [ C] 0 7

detection system Recirculating hot air for uniform

8 Blade de-icing system Without de-icing system With de-icing system Innovative and accurate ice detection system Recirculating hot air for uniform heating Preemptive de-icing; no stoppage in energy production 8

9 De-Icing Performance Energy Yield [kwh] Yield per month between heated and unheated WEC E-82 2MW at a location in Czech Republic 0 Heated Unheated OCT 09 NOV 09 DEC 09 JAN 10 FEB 10 MAR 10 Europe 2 case studies: Dragaliden, Sweden; Krystofovy- Hamry, Czech Republic Reductions in downtime due to icing: 93.5% and 87.6% respectively 30% extra yield during six month winter period in Czech Republic Downtime due to Icing (hours) Downtime Due to Icing Nova Scotia WECs without De-Icing WEC with De-Icing installed Canada De-icing systems installed in a number of locations: 1 x E-53, 800kW (2011) 28 x E-82, 2.3MW (2011) 60 x E-70, 2.3MW (2012) Data from 2012 shows drastic decrease in downtime due to icing: 88.3% reduction compared to WECs without de-icing installed 9

v stor Wind Speed (m/s) m With Storm control Power

10 ENERCON Storm Control Power Without Storm control WEC in operation until 36 m/s Full operation v 1 v 2 v 3 v stor Wind Speed (m/s) m With Storm control Power Wind Speed Power v 1 v 2 v storm v 0 Wind Speed (m/s) 10

ENERCON Converter High compatibility with actual advanced grid codes due to the flexible ENERCON grid management system and its full-scale power

11 ENERCON Converter High compatibility with actual advanced grid codes due to the flexible ENERCON grid management system and its full-scale power electronics Superior power quality characteristics with low flicker and harmonics Flexible and dynamic control of active and reactive power at WEC and wind power plant level. Strong support for power system stability during short circuits and other power system disturbances No stress or additional loads for the mechanical components because of faults in the power system. From small scale distributed generation to large scale wind power plants. 11

12 Project Design & Management: Beyond Turbine Supply

13 ENERCON Remote Projects Around the World Falkland Islands Batskär, Scandinavia Ascension Islands Griessee, Switzerland Bonaire, Carribbean Ross Island, Antarctica MawsonStation, Antarctica 13

14 Case Study I: Diavik Diamond Mine Wind Project Lac de Gras, North West Territories 14 Image: Rio Tinto

15 Celebrating Important Firsts : Remote Mining Supply in Canada Lac de Gras, North West Territories Image: Rio Tinto Photo Copyright Rio Tinto

Diavik Diamond Mine, North West Territories (2012) Rio Tinto Diamond Mine: 1500kg/y Production

Gensets; > 70M litres/y Diesel provided viaiceroadsopen6weeksoftheyear Wind farm Construction

restoration period. 4xE-702.3MW=9.2MW Offset 4.

16 Diavik Diamond Mine, North West Territories (2012) Rio Tinto Diamond Mine: 1500kg/y Production Capacity, Lifespan: 16-22y, Workforce: 1,165 Prior System Design: Loads 22-26MW, 100% Diesel Gensets; > 70M litres/y Diesel provided viaiceroadsopen6weeksoftheyear Wind farm Construction Y9 of Operation, Plan to complete remaining years, plus potential supply through mine site restoration period. 4xE-702.3MW=9.2MW Offset 4.3 millions liters of diesel per year, Payback < 8 years, Reduces Carbon Footprint by 6% (12,000t CO 2 /year) All Photos Shown Copyright Rio Tinto 16

17 Diavik Diamond Mine, North West Territories All Photos Shown Copyright Rio Tinto 17

18 Cold Climate Experience E MW: Output of 1.3 MW at -36 C

19 Diavik Press Copyright Rio Tinto Image: Rio Tin 19

20 Diavik Press 20

21 Case Study II: Raglan Mine Stand Alone System

100% Diesel Gensets, 60M litres of Diesel Wind farm Construction Y17 of Mine Operation Phase 1 (2014): 1 x ENERCON E82 /

22 Raglan Mine, Nunavik(2014) Glencore Xstrata Mine(1.800km North of Montreal, Deception Bay): 1.1Mt ore/y Production Capacity, Operational Since 1997, Lifespan 30-40y, Workforce: 950 Prior System Design: Loads 22-26MW, 100% Diesel Gensets, 60M litres of Diesel Wind farm Construction Y17 of Mine Operation Phase 1 (2014): 1 x ENERCON E82 / 3MW Wind Turbine coupled with Battery, Hydrogen & Flywheel Systems Phase 2( ): Addition of 4-6 turbines All Photos Shown Copyright Rio Tinto 22

23 Raglan Mine, Nunavik All Photos Shown Copyright Rio Tinto 23

24 Raglan Mine Stand Alone Project: Phase I E-82, 3 MW Class 1 Machine Temporal Power Flywheel 500kW ElectrovayaLithium Ion Battery 200 kw / 250 KWh HydrogenicsHydrogen System 200 kw / 1 MWh Phase II: Potential for 4-6 additional turbines, COD

25 Raglan Mine: Innovative Solutions

26 Raglan: Funding Achievements $720K in Developmental Funding provided to Tugliq Energy by Natural Resources Canada and $8.7M additional forthcoming to support project construction $3.5M provided by Ministry of Natural Resources, Quebec 26

Thank You for Your Attention. For follow-up please contact Adrienne Downey Executive Director - Business Development/ Directrice exécutive - Développement des affaires ENERCON Canada Inc.

27 Thank You for Your Attention. For follow-up please contact Adrienne Downey Executive Director - Business Development/ Directrice exécutive - Développement des affaires ENERCON Canada Inc. 145 Berkeley Street, Suite 300 Toronto, ON, M5H 2Y , rue De La GauchetièreO., Bureau 2310 Montréal, QC, H3B 4W adrienne.downey@enercon.de 27

ENERCON Innovations for Sustainable Mining

ENERCON Innovations for Sustainable Mining Bernard Moulins Commercial Analyst ENERCON Canada Inc. Filename: Copyright ENERCON GmbH. All rights reserved. OUTLINE Company Overview Technology Market Overview