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Page 1: Stornoway PDAC 2016 Corporate Presentation

BUILDING QUÉBEC’S FIRST DIAMOND MINEPDAC, March 8th, 2016

Matt MansonPresident & CEO

Page 2: Stornoway PDAC 2016 Corporate Presentation

2

Forward-Looking Information

This presentation contains "forward-looking information" within the meaning of Canadian securities legislation. This information and these statements, referred to herein as “forward-looking statements”, are made as of the date of this presentation and the Corporation does not intend, and does not assume any obligation, to update these forward-looking statements, except as required by law. These forward-looking statements include, among others, statements with respect to our beliefs, plans, objectives, expectations, anticipations, estimates and intentions. Although management considers these assumptions to be reasonable based on information currently available to it, they may prove to be incorrect.

Forward-looking statements relate to future events or future performance and reflect current expectations or beliefs regarding future events and include, but are not limited to, statements with respect to: (i) the amount of Mineral Resources and exploration targets; (ii) the amount of future production over any period; (iii) assumptions relating to recovered grade, average ore recovery, internal dilution, mining dilution and other mining parameters set out in the 2011 Feasibility Study or the Optimization Study; (iv) assumptions relating to gross revenues, operating cash flow and other revenue metrics set out in the 2011 Feasibility Study or the Optimization Study; (v) mine expansion potential and expected mine life; and (vi) future exploration plans. Any statements that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, using words or phrases such as “expects”, “anticipates”, “plans”, “projects”, “estimates”, “assumes”, “intends”, “strategy”, “goals”, “objectives”, “schedule” or variations thereof or stating that certain actions, events or results “may”, “could”, “would”, “might” or “will” be taken, occur or be achieved, or the negative of any of these terms and similar expressions) are not statements of historical fact and may be forward-looking statements.

Forward-looking statements are made based upon certain assumptions by Stornoway or its consultants and other important factors that, if untrue, could cause the actual results, performances or achievements of Stornoway to be materially different from future results, performances or achievements expressed or implied by such statements. Such statements and information are based on numerous assumptions regarding present and future business prospects and strategies and the environment in which Stornoway will operate in the future, including the price of diamonds, anticipated costs and Stornoway’s ability to achieve its goals, regulatory developments, development plans, exploration, development and mining activities and commitments. Although management considers its assumptions on such matters to be reasonable based on information currently available to it, they may prove to be incorrect. Certain important assumptions by Stornoway or its consultants in making forward-looking statements include, but are not limited to: (i) anticipated geological formations; (ii) Stornoway’s interpretation of the geological drill data collected and its potential impact on stated Mineral Resources and mine life; (iii) future exploration plans and objectives. Additional risks are described in Stornoway's most recently filed Annual Information Form, annual and interim MD&A, and other disclosure documents available under the Corporation’s profile at: www.sedar.com. By their very nature, forward-looking statements involve inherent risks and uncertainties, both general and specific, and risks exist that estimates, forecasts, projections and other forward-looking statements will not be achieved or that assumptions do not reflect future experience. We caution readers not to place undue reliance on these forward- looking statements as a number of important risk factors could cause the actual outcomes to differ materially from the beliefs, plans, objectives, expectations, anticipations, estimates, assumptions and intentions expressed in such forward-looking statements. These risk factors may be generally stated as the risk that the assumptions and estimates expressed above do not occur, including the assumption in many forward-looking statements that other forward-looking statements will be correct, but specifically include, without limitation: (i) risks relating to variations in the grade, kimberlite lithologies and country rock content within the material identified as Mineral Resources from that predicted; (ii) variations in rates of recovery and breakage; (iii) the uncertainty as to whether further exploration of exploration targets will result in the targets being delineated as Mineral Resources; (iv) uncertainty of results of exploration in areas of potential expansion of resources; (v) changes in development or mining plans due to changes in other factors or exploration results; and (vi) the additional risks described in Stornoway's most recently filed Annual Information Form, annual and interim MD&A and Stornoway's anticipation of and success in managing the foregoing risks. Stornoway cautions that the foregoing list of factors that may affect future results is not exhaustive, and new, unforeseeable risks may arise from time to time.

Page 3: Stornoway PDAC 2016 Corporate Presentation

3

Forward-Looking Information (continued)

Readers are referred to the technical report dated as of February 28th, 2013 entitled “The Renard Diamond Project, Québec, Canada, Feasibility Study Update, NI 43-101 Technical Report, February 28, 2013” in respect of the January 2013 Optimization Study, and the press release dated September 24, 2015 in respect of the September 2015 Mineral Resource estimate for further details and assumptions relating to the project.

The Qualified Persons that prepared the technical reports and press releases that form the basis for the presentation are listed in the Company’s AIF dated July 27, 2015. Disclosure of a scientific or technical nature in this presentation was prepared under the supervision of Patrick Godin, P.Eng. (Québec), Chief Operating Officer and Robin Hopkins, P.Geol. (NT/NU), Vice President, Exploration, both “qualified persons” under NI 43-101. Darrell Farrow, PrSciNat, P.Geo.(BC), Ordre des geologues du Quebec (Special Authorisation # 332) of GeoStrat Consulting Services Inc. is the independent Qualified Person responsible for preparation of the mineral resource estimate for the Renard Diamond Project. GeoStrat Consulting Services Inc, a mineral resources consultancy, focuses on client interaction and involvement in developing resource models, and has experience in exploration, geological modeling, resource evaluation, production, resource reconciliation and accounting of diamond deposits around the globe. GeoStrat has verified the results disclosed herein with respect to the mineral resources, and has conducted appropriate verification on the underlying data, including visitations to the Renard site and the primary process laboratories.

The Renard Diamond Project, December 23, 2015

Page 4: Stornoway PDAC 2016 Corporate Presentation

4

Stornoway Diamond Corporation TSX:SWY

Construction Proceeding Ahead of Base Schedule and Below BudgetConstruction 63.3% complete compared to 59.6% planned by end December 2015.

Forecast cost to complete now C$775m, below original budget of C$811m. First ore delivery to plant scheduled by end September, 2016 and commercial production by Dec. 31, 2016,

5 months ahead of original schedule.

100% Ownership in Renard, Québec’s First Diamond MineRoad Accessible; Strong Social License; Fully Financed; Fully Permitted; Under Construction

The Renard Diamond Project, December 23, 2015

Page 5: Stornoway PDAC 2016 Corporate Presentation

5The Renard Diamond ProjectQuébec’s First Diamond Mine

Chibougamau

Montréal

Toronto

800km

360km

Renard

1996: Start of initial regional exploration by Ashton & SOQUEM

2001: First kimberlite discovery

2001-08: Drilling, “mini-bulk” sampling, bulk sampling

2008-10: First NI 43-101 Resource and PEA

November 2011: Feasibility Study issued. First mineral reserve

December 2012: ESIA filed

February 2012: Road construction commences under Plan Nord

March 2012: “Mecheshoo Agreement” executed

Nov.-Dec.2012: Mining Lease and Québec Authorizations issued

January 2013: Optimization Study issued

July 2013: Federal Canadian Authorizations Issued

September 2013: Road opens

April-July 2014: $C946m financing completed. Construction commences

Dec 31 2016: Scheduled Commercial Production

2001: First Kimberlite Discovery

+7-9 Years: First NI 43-101 Resource and PEA

+12 Years: Final Authorizations Issued

+16 Years: Commercial Production

Page 6: Stornoway PDAC 2016 Corporate Presentation

6

800m

900m

1100m

1200m

1000m

Renard Mine Plan and Key Operating AssumptionsA Combined Open Pit and Underground Operation

Notes1. Key Assumptions:C$1=US$1, Oil US$95/barrel, 2.5% real terms diamond price

growth, 82.9% ore recovery, 23.8% mining and internal dilution, 0cpht dilution grade.

2. Expressed in May 2011 terms. Average price US$190/carat in March 2014 terms.

3. Expressed in October 2012 terms, as adjusted in October 2013 LNG FS. Includes C$754m of costs and contingencies and C$57m of escalation allowance.

4. Expressed in October 2012 terms. Operating costs C$54/tonne in October 2013 LNG FS terms. Excludes capitalized preproduction costs.

5. Before stream

Reserve and Resource categories are compliant with the "CIM Definition Standards on Mineral Resources and Reserves". Mineral resources that are not mineral reserves do not have demonstrated economic viability. The potential quantity and grade of any Exploration Target is conceptual in nature, and it is uncertain if further exploration will result in the target being delineated as a mineral resource .

Reserve Based Mine Plan1

(Jan 2013 FS Optimization and October 2013 LNG Option FS)

Mine Life 11 yearsMineral Reserve 17.9 mcaratsAve. Diamond Price2 $180/caratProduction Rate 2.2 mtonnes/yrAve. Diamond Production 1.6 mcarats/yrGross Revenue (C$M)2 $4,268Initial Capital Costs3 $811mOperating Cost4 $58/t ($76/carat)Operating Margin5 67%Payback 4.8 years

0m

100m

200m

400m

600m

700m

500m

300m

Renard 4

Renard 9

Renard 65Renard 2 Renard 3

Mineral Resource Estimate Effective September 24, 2015 (NI 43-101)

13 mcarats Inferred Mineral Resources33 to 71 mcarats TFFE

30 mcarats Indicated Mineral Resources

An Updated Renard Mine Plan, scheduled for Q2 2016, is expected to include additional mine production from new Indicated Mineral Resources in Renard 2 and Renard 65, deepening of the Renard 2-3 open pit, extension of the underground mine infrastructure to 700m, and an optimized schedule for plant commissioning and ramp-up.

Page 7: Stornoway PDAC 2016 Corporate Presentation

7Renard Diamond Project NI 43-101 Mineral Resource EstimateEffective September 24 2015. Changes to Previous Estimate Shown in Italics

Notes1 Resource categories were completed in accordance with the "CIM Definition Standards on Mineral Resources and Reserves". Mineral resources that are not mineral reserves do not have demonstrated economic viability. 2 Totals may not add due to rounding.3 Carats per hundred tonnes. Estimated at a +1 DTC sieve size cut-off.4 Diamond valuation data utilized for the test of prospects of reasonable economic extraction are derived from a diamond valuation exercise undertaken in March 2014 (see Stornoway Annual Information Form dated July 2015).

Indicated Mineral Resources(1,2,4)

  Contained Carats (millions) Tonnes (millions) Grade (cpht)(3)

Renard 2, All Units 21.58 +15.6% 25.70 +38.3% 84 -16.4%Renard 2, w/o CRB-2A, CRB 20.39 +11.0% 20.52 +15.9% 99 -4.3%

CRB-2A 0.29 +2.6% 0.90 +2.6% 32 --CRB 0.90 n/a 4.28 n/a 21 n/a

Renard 3 1.86 +2.3% 1.82 +3.4% 102 -1.0%Renard 4 4.44 +3.0% 7.25 -- 61 +3.0%Renard 65 2.30 -- 7.87 -- 29 --

Total Indicated Mineral Resources 30.17 +11.4% 42.63 +20.2% 71 -7.4%

Inferred Mineral Resources(1,2)

  Contained Carats (millions) Tonnes (millions) Grade (cpht)(3)

Renard 2, All Units 3.88 -48.0% 6.59 -44.0% 59 -7.2%Renard 2, w/o CRB 3.36 -46.1% 4.08 -22.0% 82 -30.9%CRB 0.53 -57.6% 2.51 -61.6% 21 +10.5%

Renard 3 0.61 -- 0.54 -- 112 --Renard 4 2.46 +3.5% 4.75 -- 52 +3.5%Renard 65 1.18 -- 4.93 -- 24 --Renard 9 3.04 -- 5.70 -- 53 --Lynx 1.92 -- 1.80 -- 107 --Hibou 0.26 -- 0.18 -- 144 --

Total Inferred Mineral Resources 13.35 -20.8% 24.49 -17.5% 54 -4.0%

Inferred Mineral Resources

Indicated Mineral Resources

High Range TFFE

Renard 65775m depth

Renard 4775m depth Renard 9

775m depth

Renard 21,250m depth Renard 3

1,250m depth

North East View

Page 8: Stornoway PDAC 2016 Corporate Presentation

8Renard Diamond Project Exploration PotentialEffective September 24 2015. Changes to Previous Potential Shown in Italics

Notes1 Target for Further Exploration: represents potential upside that can be reasonably assumed given the nature and grade of material within the current 2015 Mineral Resource. The Renard 2 shape has been projected 250m below the deepest kimberlite intersection at 1,000m depth. Tonnage and grade ranges are not directly applicable to potential total carats.The potential quantity and grade of any Exploration Target is conceptual in nature, there has been insufficient information to define a mineral resource, and it is uncertain if further exploration will result in the target being delineated as a mineral resource. 2 Carats per hundred tonnes. Potential at a +1 DTC sieve size cut-off.

NotesResource categories were completed in accordance with the "CIM Definition Standards on Mineral Resources and Reserves". Mineral resources that are not mineral reserves do not have demonstrated economic viability.

Area indicated in yellow represents a gap in drill coverage that may represent additional exploration potential outside of the current Mineral Resource Estimate and not included in the current Targets for Further Exploration.

Renard 65775m depth

Renard 4775m depth Renard 9

775m depth

Renard 21,250m depth Renard 3

1,250m depth

Inferred Mineral Resources

Indicated Mineral Resources

High Range TFFE

North East View

Targets for Further Exploration(1)

  Contained Carats (millions)

Tonnes (millions) Grade (cpht)(2)

Renard 1 1.7 to 3.9 8.6 to 13.0 20 to 30

Renard 2, All Units 3.7 to 15.5 6.1 to 15.5 60 to 100

Renard 3 3.6 to 6.3 3.4 to 3.8 105 to 168

Renard 4 5.6 to 11.8 11.1 to 15.4 50 to 77

Renard 65 7.3 to 13.5 29.0 to 40.9 25 to 33

Renard 7 1.9 to 3.8 6.3 to 9.4 30 to 40

Renard 9 2.0 to 4.3 3.9 to 6.3 52 to 68

Renard 10 0.7 to 2.1 1.2 to 1.7 60 to 120

Lynx 3.0 to 3.8 3.1 to 3.2 96 to 120

Hibou 3.6 to 6.1 3.5 to 4.0 104 to 151

Total TFFE 33.0+28% to 71.1

+40%76.2

+49% to 113.2+51%      

R10 R7 R1 R65

R4 R9

R2R3

NW 4 km SE

Page 9: Stornoway PDAC 2016 Corporate Presentation

9Renard 2 Mineral Resource UpdateEffective September 24 2015. Changes to Previous Estimate Shown in Italics

Pipe shape at surface (1.89ha)

High TFFE at 1,250m (1.38ha)

Notes1 Reserve and Resource categories were completed in accordance with the "CIM Definition Standards on Mineral Resources and Reserves". Mineral resources that are not mineral reserves do not have demonstrated economic viability. 2 Totals may not add due to rounding.3 Carats per hundred tonnes. Estimated at a +1 DTC sieve size cut-off.4 Diamond valuation data utilized for the test of prospects of reasonable economic extraction are derived from a diamond valuation exercise undertaken in March 2014 (see Stornoway Annual Information Form dated July 2015).

0m

700m

850m

1250m

INDICATED

INFERRED

TFFE

600m: Base of Previous Indicated Mineral Resources

Depth Below

SurfaceKimberlite

outlineat surface (0.75ha)

Low TFFE at 1,250m (0.62ha)

Base of New Indicated

Resources (1.55ha)

Indicated Mineral Resources(1,2,4)

  Contained Carats (millions) Tonnes (millions) Grade (cpht)(3)

Renard 2, All Units 21.58 +15.6% 25.70 +38.3% 84 -16.4%Renard 2, w/o CRB-2A, CRB 20.39 +11.0% 20.52 +15.9% 99 -4.3%

CRB-2A 0.29 +2.6% 0.90 +2.6% 32 --CRB 0.90 n/a 4.28 n/a 21 n/a

Inferred Mineral Resources(1,2)

  Contained Carats (millions) Tonnes (millions) Grade (cpht)(3)

Renard 2, All Units 3.88 -48.0% 6.59 -44.0% 59 -7.2%Renard 2, w/o CRB 3.36 -46.1% 4.08 -22.0% 82 -30.9%CRB 0.53 -57.6% 2.51 -61.6% 21 +10.5%

Target for Further Exploration(1)

  Contained Carats (millions)

Tonnes (millions) Grade (cpht)(2)

Renard 2, All Units 3.7 to 15.5 6.1 to 15.5 60 to 100

North View Renard 2 NI 43-101 Mineral Resource Estimate

Renard 2 Targets for Further Exploration

Notes1 Represents potential upside that can be reasonably assumed given the nature and grade of material within the current 2015 Mineral Resource. The potential quantity and grade of any Exploration Target is conceptual in nature, there has been insufficient information to define a mineral resource, and it is uncertain if further exploration will result in the target being delineated as a mineral resource. 2 Carats per hundred tonnes. Potential at a +1 DTC sieve size cut-off.

Pinch in model in area lacking drill

coverage

Page 10: Stornoway PDAC 2016 Corporate Presentation

10Renard 2 Geological Model and Unit GradesEffective September 24 2015. Changes to Previous Estimate Shown in Italics

Within the Indicated Mineral Resources  Average Grade

(cpht)(1)Average Dilution

(%)(2)

Kimb 2a (“Blue”) 76 +3.0% 52 -0.9%Kimb 2b (“Brown”) 145 +1.0% 30 -0.9%Kimb 2c (HK)3 229 +0.5% 12 -3.1%CRB-2a 32 -- 93 --CRB 21 n/a 96 n/a

Within the Inferred Mineral Resources  Average Grade

(cpht)(1)Average Dilution

(%)(2)

Kimb 2a (“Blue”) 67 -2.4% 65 +9.2%Kimb 2b (“Brown”) 145 +0.3% 30 +1.5%Kimb 2c (HK)3 229 +0.5% 12 -3.1%CRB 21 +10.5% 96 --

Notes1 Carats per hundred tonnes. Estimated at a +1 DTC sieve size cut-off.2 Represents the average amount of non-diamond bearing country rock estimated within each geological unit. 3 The Kimb 2c (Hypabyssal Kimberlite, or “HK”) unit is a constituent component of each of the Kimb2a, Kimb2b, CRB and CRB-2a units.

Renard 2 Average Mineral Resource Grades, by Geological Unit

Kimb2b (“Brown”)

Kimb2a (“Blue”) CRB CRB-2a Kimb2c (HK)

West View

Contact

Pinch in model in area lacking drill coverage

0m

700m

850m

1250m

INDICATED

INFERRED

TFFE

600m: Base of Previous Indicated Mineral Resources

Depth Below

Surface

North View

Photographs of geological units from

the 2007 Renard underground bulk sample program

Page 11: Stornoway PDAC 2016 Corporate Presentation

11Renard 2 Geological Model and Renard 2-Renard 3 ConvergenceEffective September 24 2015

Pipe shape at surface (1.89ha)

Kimberlite outlineat surface (0.75ha)

Kimb2b (“Brown”)

Kimb2a (“Blue”)

CRBCRB-2a

Surface View, Looking Down

Surface View, Looking Down

0m

700m

850m

1250m

R2 INDICATED

R2 INFERRED

R2 TFFE

Depth Below

Surface

R3 INDICATED

R3 INFERRED

R3 TFFE

North East View

Resource categories were completed in accordance with the "CIM Definition Standards on Mineral Resources and Reserves". Mineral resources that are not mineral reserves do not have demonstrated economic viability. The potential quantity and grade of any Exploration Target is conceptual in nature, there has been insufficient information to define a mineral resource and it is uncertain if further exploration will result in the target being delineated as a mineral resource.

Renard 2 Renard 3

Renard 2

Renard 3

126.6m R3 intersection in DDH R2-81J (in red) starting 942.2m downhole: 47m true width.

R3 TFFE: >500m potential between drill intersections

Page 12: Stornoway PDAC 2016 Corporate Presentation

12

R2-R3

R65

Site ProgressSite Overview Dec 23, 2015

Admin

Process Plant

Accommodation

Maintenance Shop

R2-R3 PitR65 Pit

UG Mine Portal

Crusher

Power Plant

Page 13: Stornoway PDAC 2016 Corporate Presentation

13Access Infrastructure In PlaceThe 240km long Route 167 Extension and the Clarence and Abel Swallow Airport

Eastmain River Bridge March 2015

September 2015July 2014

November 2015

Airport Naming Ceremony, March 2015

Page 14: Stornoway PDAC 2016 Corporate Presentation

14Site ProgressMajor Facilities Well Advanced by end February 2016

Maintenance Facility completed September 2015Process Plant, Primary Crusher, and PK load-out, February 2016

Process plant rotary scrubber installation February 9th, 2016LNG Storage Vessels on Route 167, November 2015

LNG Power Plant, February 2016

Process Plant interior, February 2016 Renard 2-Renard 3 open pit, January 2016

Page 15: Stornoway PDAC 2016 Corporate Presentation

15

6,000tpd (2.2Mt/a) nameplate capacity, expandable to 7,000tpd (2.6Mt/a)

Detailed engineering by DRA Americas Inc.

Flow sheet:• Primary jaw crushing to < 230mm• Twin DMS circuits at +1mm -19mm• LDR circuit at +19mm -45mm,

scalable to -60mm• Oversize +45mm to secondary cone

crusher• LDR and DMS tails +6mm -19mm to

tertiary High Pressure Grinding Rolls

Thickening and centrifugal treatment of fines and tails to create a truckable product for dry-stack disposal.

Diamond Processing PlantRepresents Single Largest Cap-ex Item and Critical Path for Overall Construction

Page 16: Stornoway PDAC 2016 Corporate Presentation

16

The Renard Diamond Process Plant will be the first plant in the world to have LDR capacity in the primary flow sheet.Large Diamond Recovery (“LDR”) through TOMRA XRT.

Base Case Diamond Valuation Estimates Using on Best Practice MethodologyAverage diamond price estimate in March 2014 for the Mineral Reserves at US$190/ct (un-escalated).

High Quality Production with Large Stone PotentialDistribution in Renard 2 predicts three to six 50-100ct stones and one to two +100ct stones every 100,000 carats.

Substantial revenue potential from large diamonds not accounted for in the base case cash-flow model.

Diamond Processing PlantRepresents Single Largest Cap-ex Item and Critical Path for Overall Construction

Three Renard 65 diamonds: 9.78ct and 6.41ct diamonds recovered from bulk sampling and a 4 carat stone discovered in drillcore in 2003

Process Plant, Primary Crusher, and PK load-out, February 2016

Process plant rotary scrubber installation February 9th, 2016

Page 17: Stornoway PDAC 2016 Corporate Presentation

17Open Pit MiningRenard 2 – Renard 3 Pit Pre-stripping Commenced March 2015

R2-R3

R65

Portal

Mining Progress as of October 31 2015 4,819,672 tonnes extracted from R2/R3 and R65 pits vs

plan of 5,210,884 (92%)

R2-R3 Pit October 30, 2015

Page 18: Stornoway PDAC 2016 Corporate Presentation

18

Jumbo in Decline, May 25, 2015 Decline Ventilation, Sept 25, 2015

R2-R3

R65

Portal

Decline Progress as of October 31, 2015

837m against plan of 916m (91%)

Underground Mining

Page 19: Stornoway PDAC 2016 Corporate Presentation

19Project ScheduleConstruction Mobilization July 10th 2014; Commercial Production Forecast Dec 31st 2016.

Feasibility Study (Complete)

ESIA (Complete)

Public Hearings (Complete)

Reg. Authorizations (Complete)

Specific Operating Permits (50)

Road Construction (Complete)

Project Financing (Complete)

Detailed Engineering

Site Construction

Commissioning and Ramp-up

Commercial Production

2012

2H 2H 2H 2H2H 1H 1H 1H1H

2013 2014 2015 2016

2H1H

2017

Revised Renard Construction Schedule has Plant Commissioning Planned for September 30, 2016 and Commercial Production by December 31, 2016.

Mar 2016

First Vehicle Access

Completion Status

Construction (to Dec 31): 63.3% (planned 59.6%)

Engineering (to Dec 31): 99.0% (planned 99.9%)

Page 20: Stornoway PDAC 2016 Corporate Presentation

20

ShareholdingShare Price (TSX-SWY):Mar 7, 2016 C$ $1.03

52 week High-Low C$ $0.54–$1.05

Average Daily Volume:Last 12 Months 349,567

Market Capitalization: C$ 755 million

Total Shares Outstanding: 733 million

Total Options & Warrants Outstanding:(28.8m Options $0.51-$2.50; 123.3m warrants $0.90-$1.21)

152 million

Consolidated Cash1: (as of October 31, 2015) C$ 290 million

Consolidated Debt1: (as of October 31, 2015) C$ 219 million

Undrawn Financing Commitments2: (Subject to Financing Agreement CPs) C$ 214 million

Balance Sheet

Balance Sheet and Capital Structure

Notes1. Unaudited2. Assuming a C$:US$ conversion rate of C$1.10. Does not include $48 million in Cost Overrun Facilities

Investissement Québec 28.7% 22.5%

Orion Mine Finance 19.5% 17.5%

CDPQ 6.1% 6.2%

Float 45.7% 53.8%

DilutedBasic

Page 21: Stornoway PDAC 2016 Corporate Presentation

21Publicly Listed Diamond Producers, Developers and ExplorersConsensus Analyst Views on Value

Ticker Price(3/7/16)

Shares O/S

(mm)

Market Cap

($mm)NAV/sh(1) Current

P/NAV(1) Target (1) % Return to Target

AnnualDividend

Diamond ProducersALROSA ALRS:M ₽72.95 7,365.0 ₽537,274 (n/a) (n/a) ₽74.26 4% ₽1.47/sh

Dominion Diamonds DDC:T $16.46 85.1 $1,401.3 $27.28 0.6x $21.95 37% US$0.40/sh

Gem GEMD:LN £1.11 138.3 £149.3 £2.00 0.5x £1.66 57% US$0.05/sh

Lucara LUC:T $2.49 380.1 $946.5 $2.90 0.9x $2.96 21% $0.06/sh

Petra PDL:LN £1.18 512.1 £604.3 £1.57 0.8x £1.33 14% £0.02/sh

Diamond DevelopersFirestone FDI:LN £0.20 309.0 £61.4 £0.50 0.4x £0.41 105% (n/a)

Mountain Province MPV:T $5.16 159.7 $823.9 $6.16 0.8x $5.83 13% (n/a)

Stornoway SWY:T $1.03 732.6 $754.5 $1.49 0.7x $1.21 18% (n/a)

Diamond ExplorersKennady Diamonds KDI:V $2.99 46.3 $138.8 (n/a) (n/a) (n/a) (n/a) (n/a)

North Arrow Minerals NAR:V $0.24 54.0 $11.3 (n/a) (n/a) (n/a) (n/a) (n/a)

Peregrine Diamonds PGD:T $0.135 339.1 $45.8 (n/a) (n/a) (n/a) (n/a) (n/a)

Shore Gold SGF:T $0.195 248.7 $49.7 (n/a) (n/a) (n/a) (n/a) (n/a)

Notes:

1. Bloomberg and Thomson One Analyst Consensus

All Currencies in C$ unless specified

Page 22: Stornoway PDAC 2016 Corporate Presentation

22Sources and Uses of Funds to October 31, 2015On Current C$:US$ Exchange Rates, Unless Noted. Unaudited

(all amounts in millions of C$) AssumedActual use

of Proceeds to Oct 31,

2015

Renard Diamond Project

Capital Expenditures 811 421

Route 167 Extension (1) 70 70

Financing Costs, Interest during Construction, Loan Repayments 58 27

Mine Closure Guarantee 16 3

Pre-production Net Revenue (26) -

Total Project Costs 929 521

General Corporate Purposes

Equity fees and transaction costs 18 27

General working capital, administrative and salary expenses 14 6

Total Uses 961 554

Costs

Notes1. The total amount borrowed pursuant to the Renard Mine Road loan was $77 million, of which $70 million was used for construction of the Renard Mine Road and

$7 million was used for civil works related to the airstrip. Costs related to the airstrip were included in the $811 million capital expenditures line in the table above.2. Assuming a C$:US$ conversion rate of C$1.253. Cost Overrun Facility includes the $20 million Senior Loan Facility, Tranche B and the $28 million Cost Overrun Facility with the CDPQ4. This forecast assumes a project cost of $811 million (which includes assumed levels of escalation and contingencies), the satisfaction of all covenants and

conditions precedent for future funding, and a CAD$:US$ exchange rate of $1.25 for unfunded US dollar denominated financing commitments. As construction of the Renard Diamond Project progresses, this forecast is expected to change quarter to quarter based on the timing of expenditures and receipts, volatility in the CAD$:US$ exchange rate, and any change to the forecast cost of the project..

(all amounts in millions of C$)

Sources of Funds

Stream Deposits not yet received (2) 113

Senior Loan Facility, Tranche A 100

Cost Overrun Facility(3) 48

Equipment Financing Facility(2) 17

Undrawn Sources of Funds

As of October 31, 2015, Stornoway forecasts excess financing capacity available to complete the project of approximately $100 million comprised of $52 million of cash, receivables and expected mine tax credits and $48 million of undrawn cost overrun facilities(4).

Page 23: Stornoway PDAC 2016 Corporate Presentation

23

Stornoway Diamond Corporation TSX:SWY

Head Office:1111 Rue St. Charles Ouest,

Longueuil, Québec J4K 4G4

Tel: +1 (450) 616-5555

IR Contact:

Orin Baranowsky, CFA, Director IR

[email protected]

Tel: +1 (416) 304-1026 x2103

www.stornowaydiamonds.com

[email protected] us at Booth #2938 and in the Core Shack