Raymond James US South Homebuilding & Wood Conference Presentation September 29, 2015

Forward-Looking Statements & Non-IFRS Financial Information

• All financial references are expressed in US$ unless otherwise noted.

• This presentation contains forward-looking statements and estimates.

• Actual company results could differ materially from a conclusion, forecast or projection in the forward-looking information.

• Certain material factors or assumptions were applied in drawing a conclusion or making a forecast or projection as reflected in the forward-looking information.

• Additional information can be found in the Company’s annual information form, annual MD&A, and on Norbord’s website (www.norbord.com) about the material factors that could cause actual results to differ materially from the conclusion, forecast or projection in the forward-looking information, and the material factors or assumptions that were applied in drawing a conclusion or making a forecast or projection as reflected in the forward-looking information.

• During the course of this presentation, certain non-IFRS financial information will be presented. Definitions and reconciliation of terms can be found in the Company’s annual and quarterly MD&A.

2

Notices

Company Overview

Norbord Snapshot

• Leading manufacturer of wood-based panel products

• Largest global producer of Oriented Strand Board (OSB) – Installed OSB capacity of 8.0 Bsf-3/8” (1) (2)

– Installed panel capacity (including particleboard & MDF) of 8.9 Bsf-3/8” (1) (2)

– Approximately 2,600 employees at 17 plants across the US, Canada and Europe

• Listed on the TSX (“NBD”)

• Report in US dollars and in accordance with IFRS

• LTM Q2-2015 sales of $1.5 billion (2)

4

Company Overview

North America

Europe

Oriented Strand Board (OSB)

Particleboard

Medium Density Fibreboard (MDF)

Furniture

Europe 20%

Canada 37%

US 43%

8.9 Bsf-3/8” (1)(2)

Panel Capacity by Region

(1) Does not include the 600 MMsf-3/8” Grande Prairie, Alberta Line 2 (“GP2”) expansion project (2) Results reflect combined performance following completion of merger with Ainsworth

$-

$1,000

$2,000

$3,000

$4,000

$5,000

$6,000

West Fraser Canfor Corp. Louisiana-Pacific Norbord Interfor Western Forest Products Conifex

Ente

rpris

e Va

lue

($U

Smm

) The Leading Global OSB Company

5

Company Overview

Top 10 Global OSB Producers

Enterprise Value

Source: Bloomberg and company filings. Enterprise values as at Q2 2015

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

Norbord Louisiana-Pacific Georgia-Pacific Weyerhaeuser Kronospan Huber Tolko KronoSwiss Egger Martco

OSB

Cap

acity

(Bsf

-3/8

")

Norbord’s Products

6

Company Overview

OSB – 90% of Capacity

• Norbord’s operations now include 15 OSB mills and two other plant locations in the UK producing particleboard, MDF and related value-added products

• New home construction

• Repair and remodel

• Light commercial construction

• Industrial applications

Particleboard – 6% of Capacity

• New home construction

• Repair and remodel

• Furniture

• Fixtures

MDF – 4% of Capacity

• Furniture

• Fixtures

• Mill work

Industry Overview

Typical Uses for OSB Products

8

Industry Overview

Wall Sheathing

Webstock

Flooring

Rimboard Door Header

Roof

Window Header

Garage Door Header

• OSB is an innovative, affordable and environmentally “sustainable” structural panel – Serves many of the same uses as plywood, but produced at a lower cost

• Norbord expects OSB will continue to capture market share from plywood – Currently, OSB represents 66% of total North American structural panels

Global OSB Industry

9

Industry Overview

Industry OSB Capacity (MMsf-3/8”)

0

10

20

30

North America

Europe South America

Asia

Norbord operates in the two significant global OSB producing regions

Source: Company Documents and Other Public Filings

Kronospan 39%

KronoSwiss 20%

Egger 12%

Sonae 7%

Smartply 5%

Kalavela 4%

Others 2%

Industry Capacity 8 Bsf-3/8”

North American & European OSB Industries

10

Industry Overview

Louisiana-Pacific 22% Georgia-Pacific

19%

Weyer- haeuser

11%

Huber 8%

Tolko 8%

Martco 3%

Other 3%

Industry Capacity 28 Bsf-3/8”

North American OSB Industry

26%

Source: Company documents and other public filings – installed industry capacity

European OSB Industry

11%

Norbord is a significant player in both key markets

Demand Growth Ahead in Both Key Markets

11

Industry Overview

OSB Share of Structural Panels

Source: FEA and Norbord Estimates

0%

25%

50%

75%

80 85 90 95 00 05 10

North America

Europe

US Housing Recovery is Real

12

Industry Overview

0.5

1.0

1.5

2.0

2.5

1970 1975 1980 1985 1990 1995 2000 2005 2010 2015F

US

Hous

ing

Star

ts (m

m)

U.S. Housing Starts Underlying Demand

Favourable long-term OSB industry fundamentals

US Housing Starts and Underlying Demand

1.5 mm Over-Built

21.4 22.8 24.0 24.8 25.9 26.9 28.0 28.6 29.2 28.4 27.8 27.1 26.9 27.1 28.0 28.4 28.7 29.0

30%

40%

50%

60%

70%

80%

90%

100%

–

5.0

10.0

15.0

20.0

25.0

30.0

35.0

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015F 2016F 2017F

Effective Demand / Capacity

Capa

city

(Bsf

-3/8

")

Effective Capacity Mothballed Capacity Effective Demand / Capacity

North American OSB Demand and Capacity

3.7 mm Under-Built

Source: US Census Bureau and Forest Economic Advisors, LLC (FEA); As of September 2015

North American Capacity Restarted to Meet Growing Demand

13

Industry Overview

39 Mills in Operation

8 Mills Indefinitely Curtailed

North American OSB Installed Capacity:

Norbord Mill

6 Mills (Re)started in 2013

Source: Company documents and other public filings

Attractive North American OSB Price Outlook

14

Industry Overview

North Central Benchmark OSB Price

Source: Random Lengths and Forest Economic Advisors, LLC (FEA); As of September 2015

$0

$50

$100

$150

$200

$250

$300

$350

$400

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015F 2016F 2017F

Annu

al A

vera

ge N

C Pr

ice

US$

per

Msf

7/1

6"

Historical Price Forecasted Price

15-year average: $229

• OSB prices are tied to demand for building products, which is influenced by the general economy, demographics and the need for housing

• With US housing recovering, OSB prices are projected to rise above trend

Core European Housing Markets Recovering

15

Industry Overview

50

75

100

125

150

175

200

225

250

275

2009 2010 2011 2012 2013 2014

Housing Starts (000’s)

UK +9% in 2014

Germany +4% in 2014

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

80 85 90 95 00 05 10

European OSB Share of Structural Panels

Source: National House Builder Confederation (NHBC), Construction Products Association (CPA) & Bundesbank

• Significant growth opportunity – OSB accounts for only ~8% of the structural panel market in Japan compared to >60% in North America

543 556 505 517 430 460 465 487

550 489

693 729

556 577

358 353 369 396

430

403

1,236 1,285

1,061 1,093

788 813 834 883

980

892

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

Wooden All Other

Japanese Housing Market Stable

16

Industry Overview

Japanese Housing Starts (000’s)

Source: Japanese Ministry of Land, Infrastructure, Transport and Tourism

Business Strategy

Norbord’s Strategy is Well Defined

18

Business Strategy

Pursue growth in OSB 2

Own high-quality assets with low-cost positions 3

Maintain a margin-focused operating culture 4

Focus on growth customers through best-in-class service and product development

5

Allocate capital with discipline 6

Develop a world-class safety culture 1

Norbord’s Growth Focused on OSB

19

Business Strategy

0

1

2

3

4

5

6

7

8

92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15

Norbord OSB Capacity (Bsf-3/8”)

Margin Improvement is an Operational Priority

20

Business Strategy

37

28

56

9 14

29

16

25 23

0

24

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

(1) Measured relative to prior year at constant prices and exchange rates

(2) The benefits of improved productivity and a richer value-added product mix were offset by higher maintenance spending in 2013

(2)

Margin Improvement Program Gains ($ in millions) “In Control of Our Controllables”

• Margin Improvement Program (MIP) gains help offset impact of industry-wide rising input costs:

– Increased productivity – Reduced overhead costs – Reduced raw material usage – Improved product mix

• MIP has delivered $261 million of margin improvements over the past 11 years with minimal capital investments

(1)

Further MIP Ahead Through Identified Merger Synergies

21

Business Strategy

Operational Best

Practices Corporate Overhead

Sales & Logistics

Purchasing Savings

Product Specialization

Single Public Company

$45 Million in Annual Merger Synergies (1)

Achievable over 18-24 months

Ainsworth’s Forming Technology

Operational Standardization

Continuous Press Experience

Order File Optimization

(1) Costs to achieve ~50%

Diversification From European & Asian End Market Exposure

22

Business Strategy

72%

24%

4%

7.0 Bsf-3/8” (1)

LTM Q2-2015 Shipments by Geography (1)

(1) Results reflect combined performance following completion of merger with Ainsworth

• Strong North American footprint

• Stable margin operations: – Europe – Asia-focused exports

• Provides greater diversification than North American-based competitors

• Better positioned to weather market cycles

Europe North

America

Asia

Focused Customer Strategy Sets Norbord Apart

23

Business Strategy

(1) Results reflect combined performance following completion of merger with Ainsworth

New Home Construction (Pro-Dealers)

50%

Repair & Remodel (Big Box)

25%

Industrial 20%

Export 5%

5.3 Bsf-3/8” (1)

LTM Q2-2015 North American Shipments (1)

• New housing sales volume growing as US housing starts recover • Pro-dealer shipments now represent 50% of Norbord sales volume

$0

$20

$40

$60

$80

$100

$120

$140

$160

$180

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Target

Capex Greenfield Expansion

24

Business Strategy

Capex Investment (US$ millions) • Three main priorities:

– Investing in our mills

–Optimizing debt profile

–Returning cash to

shareholders

Business Strategy

(1)

(1) 2015 target reflects Norbord following completion of merger with Ainsworth. Pre 2015 reflects Norbord excluding Ainsworth.

Financial Overview

631

495

247

42 -60

107 45

188

287

290

307

48

-23 5

58

13

106

145

802

295

19

-60

5

165

58

294

432

117 67

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 LTM Q2-2015

Norbord Combined Adjusted EBITDA (2)

Ainsworth Adjusted EBITDA (1)

Norbord (excluding Ainsworth) Adjusted EBITDA

Strong Operating Cash Flow Through The Cycle

26

Financial Overview

North Central Benchmark OSB Price $369 $320 $217 $161 $172 $163 $219 $186 $271 $315 $218 $204

US Housing Starts (000s) 1,956 2,068 1,801 1,355 906 554 587 609 781 925 1,003 1,058

Total Adjusted EBITDA (US$ millions)

11-year average: $277 million

(1) As disclosed in Ainsworth’s historical MD&As; converted to USD using annual average exchange rate (2) As disclosed in the Q2-2015 MD&A

Norbord Sensitivity to North American OSB Price Changes:

+$10/Msf 7/16” = +$58 million Adjusted EBITDA (at full capacity)

921

Stable Results from European Operations

27

Financial Overview

• Norbord’s European operations provide greater sales and earnings diversification than other North American-based competitors

European Adjusted EBITDA (US$ millions)

58

32 35

81

4

17

37 44

39 46 47

39

$0

$10

$20

$30

$40

$50

$60

$70

$80

$90

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 LTM Q2-2015

Strong Balance Sheet & Liquidity

28

Financial Overview

Q2 2015

Cash $10

Bank Lines (1) 241

A/R Securitization(2) 75

Liquidity $326

Manageable Debt Maturities (US$ millions) Strong Liquidity Profile (US$ millions)

Moody’s Ba2 (Stable)

S&P BB- (Stable)

DBRS BB (Negative)

Stable Issuer Credit Ratings

$200

$240

$315

2015 2016 2017 2018 2019 2020 2021 2022 2023

7.70

%

5.37

5%

6.25

%

(1) $245 million of bank lines less $4 million outstanding letters of credit drawn at quarter-end (2) $125 million of A/R Securitization limit less $50 million drawn at quarter-end

Attractive Investment Opportunity

29

Summary

Leverage to unfolding US housing recovery Every +$10 in NA OSB price = +$58 million in Adjusted EBITDA at full capacity

Diversification from European operations and Asian export sales

High quality asset base with low operating costs

Focused customer strategy and strong customer partnerships

Superior margins versus peers

Track record of disciplined capital allocation

Strong financial liquidity and comfortable debt maturities

Norbord Inc.

Suite 600 One Toronto Street

Toronto, Ontario, M5C 2W4 Canada

Tel: 416-365-0705 Fax: 416-365-3292

www.norbord.com