Company Profile November 2015

Company Profile November 2015

Forward Looking Statement This presentation contains forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995. Statements made herein that may be considered forward-looking include statements incorporating terms such as "expects," "believes," "intends," "anticipates" and similar terms that relate to future events, performance, or results of the Company, including, without limitation, statements made regarding the forecast for the non-residential construction market and expected future results. Forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from the historical experience of Acuity Brands and management's present expectations or projections. These risks and uncertainties include, but are not limited to, customer and supplier relationships and prices; competition; ability to realize anticipated benefits from initiatives taken and timing of benefits; market demand; litigation and other contingent liabilities; and economic, political, governmental, and technological factors affecting the Company's operations, tax rate, markets, products, services, and prices, among others. Please see the risk factors more fully described in the Company's SEC filings including the Annual Report on Form 10-K filed with the Securities and Exchange Commission on October 27, 2015. 2

Agenda Market Leader Market Dynamics Profitable Growth Strategy 3

Market Leader At a Glance 2015 Sales & Mix Competitive Dynamics 2% Net Sales $2.7 Billion North America #1 Market Share in North America Lighting Innovative Niche Provider Building Automation Systems (BAS) Most Extensive Solutions Portfolio Leading provider of luminaires, controls, components, solutions and services 1.7 million+ SKUs 98% Other 13 Manufacturing Facilities 8,000 Associates Sales Channel Leadership Lighting BAS 14 Channels Served #1 Sales Force in Key Markets 6 Channels Served Global Sales (50% Americas, 30% Europe, 20% ROW) 4

Market Leader Solutions Portfolio General Purpose Architectural Downlighting Track Lighting Emergency Indoor Relight Rough Service Surface Flexible Wiring Controls Lighting Outdoor Area & Parking Roadway & Street Floodlighting Security Sports High-Mast Building Mounted Poles & Post In-grade Underwater Accent & Border Controls BAS Controllers Supervisory Controls (includes software) Peripherals (Sensors) Services & Other Applications Education Office Healthcare Commercial Warehouse Industrial Infrastructure Roadway & Street Architectural Residential 5

Market Leader N.A. Lighting Market Share Brands Ranking 1 Ranking 2-4 Commercial Outdoor Residential Industrial Lighting Controls Emergency Daylighting 2015 N.A. Lighting Market - $14.5B TBC; Announced 10/29/15 Source: Company Estimates 6

Market Leader Financial Performance Net Sales ($Billions) Adjusted Operating Profit ($Millions) Adjusted Diluted EPS $2.39 $2.71 +13% $392 $5.39 +36% $1.80 $1.93 +8% $2.09 +8% +15% $226 $247 $293 $2.42 $3.00 +24% $3.31 +10% $3.97 +20% $189 '11 '12 '13 '14 '15 '11 '12 '13 '14 '15 '11 '12 '13 '14 '15 Margin % 10.5 11.7 11.8 12.2 14.5 Note: 2012 operating profit excludes a special charge of $13.3 million ($0.21 per diluted share) for streamlining activities as well as $1.2 million ($0.02 per diluted share) for abandoned inventory and $3.2 million ($0.05 per diluted share) of streamlining inefficiencies. 2013 operating profit excludes a special charge of $8.5 million ($0.12 per diluted share) for streamlining activities, $8.4 million ($0.12 per diluted share) of streamlining inefficiencies, and $8.1 million ($0.12 per diluted share) for Trendset fraud. 2014 operating profit excludes recoveries related to Trendset fraud of $5.9 million ($0.08 per diluted share) and $152K for reversal of special charge for streamlining activities. 2015 operating profit excludes: (a) a special charge of $12.4 million ($0.18 per diluted share) for streamlining activities, (b) $3.2 million ($0.07 per diluted share) for non-tax deductible deal costs associated with the acquisition of Distech, and (c) $2.6 million ($0.04 per diluted share) of net FX losses associated with CAD hedging for Distech purchase price. 7

Market Dynamics Market Drivers Economy Population Energy Improving economy Job growth Vacancy absorption Growing population Changing demographics Sustainability Continuing rise in utility prices Grid capacity Policy Tighter regulations and standards Technology Solid-state lighting Software/"Internet of Things" Smart Grid 8

Market Dynamics North American Lighting Market - $14.5B in 2015 Lighting Solutions Channels Controls (Sensors & Modules) 9% Industrial 11% Direct/Nat'l Accts 5% Utilities 7% ESCO 8% Other 2% Comm. & Inst. 34% Outdoor 22% Lighting Showrooms 4% Residential 18% Home Centers 10% Electrical Wholesalers 64% Other 6% Source: Frost & Sullivan, Global Insight Construction, NEMA luminaires report, McGraw Hill Canadian Construction and Company Estimates 9

Market Dynamics Positive Cyclical and Secular Trends U.S. Construction Put-in-Place Lighting Renovation & Retrofit $1,400 $1,300 $1,200 $1,100 $1,000 $900 $800 $700 +38% Renovation New Construction Installed Base $300B Conversion Opportunity Forecast 0.8% to 1.3% Conversion Rate ($ Billions) Source: Historical Actuals - U.S. Census Bureau; Forecasts Global Insights Source: U.S. Dept. of Energy; Company Estimates 10

Market Dynamics North American Addressable Lighting Market ($ Billions) Worldwide Addressable BAS Market ($ Billions) $19.3 $14.5 $1.3 $12.8 $2.5 $15.8 $8.7 $11.3 2015 2020 Lighting Controls Daylighting 2015 2020 Source: Company Estimates 11

Strategy Profitable Growth Strategy Remains Intact Expand Earnings and Cash Flow Organic Growth Strategic Opportunities Operating Excellence 3 C s Grow Market Share 12

Strategy Operational Excellence Trends Operational Sales per Associate Mfg Footprint (Sq. Ft.) Operating Working Capital* Financial Gross Profit Margin Operating Profit Margin Free Cash Flow "Lean" Business Systems Productivity Asset Utilization Superior Customer Service Rapid Product Development *(% of Net Sales) 13

Customer Value Strategy Tiered Solutions T4 T3 Platform Services T1 Individual Products T2 Integrated Solutions Embedded Controls & Intelligent Luminaires System Solutions Networked Devices, Controls and Software Analytics and IoT based value added applications Standard Luminaire & Off-board Controls Lowest Equipment Costs Energy Savings & Simplicity Intelligent Product Control and Monitoring Solutions Customer-Focused Solutions, Total Cost of Ownership & Maximum Value Smarter Buildings, Campuses, Cities 14

Future of Lighting Benefits of Digital Lighting & Intelligent Networks Energy Sustainability Smart Buildings, Cities, Grid Health & Well-Being Tunable White Light Productivity & Safety Li-Fi (Visible Light Communication) Precise Indoor Positioning Enterprise Applications Big Data Analytics Internet of Everything 15

Tomorrow s most common sensing platform the intelligent luminaire Energy & Asset Management Public Wi-Fi Smart Traffic More Smart Apps Smart Parking LED Lighting enables the IoT because it has Presence Everywhere Power Connectivity Sensors Cloud and Data storage 16

Building Automation Building Automation Equipment market is trending towards a fully integrated and convergent solution 17

Enabling Smart Buildings and Smart Cities SMART CITY SMART GRID SMART BUILDING DIGITAL LIGHTING NETWORK DIGITAL DEVICES 18

Strategy Strategic Opportunities Acquisitions Technology Market & Channel Access Portfolio Expansion Recent Acquisitions TBC; Announced 10/29/15 19

Acquisition - Juno Lighting Group Announced acquisition of Juno Lighting Group (October 29, 2015) Expected to be completed in late calendar 2015 Extends portfolio of downlighting and track lighting fixtures Meaningful residential presence Annual revenues ~ $250 million Accretive to fiscal 2016 earnings Photo Photo Downlighting Track 20

Profitable Growth Strategy Growth Leverage Operational Excellence Access to Market Lighting Expertise Holistic Lighting/BAS Solutions Investments Acquisitions Strategic Alliances Technology & Innovation Integrated Lighting Systems Strategy Execution Upper-Quartile Performance EPS Margins Cash Flow Market Share 21

Conclusion Investment Considerations Market leader Favorable market trends Strong operating/financial leverage Compelling long-term investment Product and innovation leadership 22