Investor Presentation2018 

 This presentation contains forward-looking statements, including, in particular, statements about Interface’s plans, strategies and prospects. These are based on the Company’s current assumptions, expectations and projections about future events.Although Interface believes that the expectations reflected in these forward-looking statements are reasonable, the Company can give no assurance that these expectations will prove to be correct or that savings or other benefits anticipated in the forward-looking statements will be achieved. Important factors, some of which may be beyond the Company’s control, that could cause actual results to differ materially from management’s expectations are discussed under the heading “Risk Factors” included in Item 1A of the Company’s most recent Annual Report on Form 10-K, filed with the Securities and Exchange Commission, which discussion is hereby incorporated by reference. Forward-looking statements speak only as of the date made. Forward-looking statements in this presentation include, without limitation, the information set forth on the slide titled “Growth and Value Creation Strategy”, the section of this presentation titled “Growth and Value Creation” and the slide titled “Targets”. Other forward-looking statements can be identified by words such as “may,” “expect,” “forecast,” “anticipate,” “intend,” “plan,” “believe,” “could,” “seek,” “project,” “estimate,” “target,” and similar expressions. The Company assumes no responsibility to update or revise forward-looking statements and cautions listeners and meeting attendees not to place undue reliance on any such statements.  Forward Looking Statements 

 Investment Highlights: Who We Are  a leadingglobal provider of commercial modular flooring solutions  the most valuable brand in the flooring category  strongest global sales & marketing capabilities  global manufacturing footprint and industry-leading gross margins  an engaged, customer-centric culture, focused on performance and galvanized around our sustainability mission 

 Grow the CoreCarpet Tile Business  Develop a Modular Resilient Flooring Business  ExecuteSupply ChainProductivity  Optimize SG&AResources  Growth and Value Creation Strategy  Lead a World-Changing Sustainability MovementCentered Around Mission Zero and Climate Take Back.  Interface’s goal is to become the world’s most valuable interior products & services company 

 Interface Positioning  InterfacePositioning 

 GLOBAL COMMERCIAL FLOORING SEGMENT (in billions)  Source: Management estimates  Leading Global Provider of Modular Flooring Solutions  Interface participates in the $34 Billion Global Commercial Flooring segment We are the global share leader in the $4.4 Billion Carpet Tile segment which continues to take share from broadloom We entered the high growth $2.4 Billion LVT segment, expanding our served customer base by 50%   $9.8B  $9.8  $5.1  $2.3  $0.9  $1.0  $2.4  $2.4  $5.6  $4.4     

 U.S. COMMERCIAL FLOORING: SEGMENT SIZE vs HISTORICAL GROWTH and GROSS MARGIN  Source: USFLOOReport, Catalina Research and Management estimates  Participating in Attractive Commercial Flooring Segments  Interface serves the fastest growing segments of hard and soft surface with the highest margins 

 GLOBAL CARPET TILE SEGMENT BY CHANNEL  Premium Player in the Specified Channel  Interface competes on design, sustainability and innovation, commanding a premium price point and industry leading marginsInterface is the share leader in the specified and end user channels of commercial carpet tile which are highly influenced by Architects & Designers  INTERFACE GLOBAL SHARE OF CARPET TILE PRICE CATEGORIES  Source: Management estimates  Other 

 Benefits of ModularCreative design freedomNo glue, no padLower cost to changeProduces less wasteFaster, more profitable installation for contractorsEasier to reconfigure and maintainSelective Replacement  Modular Product Portfolio 

 Carpet TileBiomimicry-inspired random design (i2)High recycled content No glue installation (TacTiles®)Climate neutral offering (Cool Floor™)Faster, more profitable installation for contractorsEasily recycled (ReEntry® program)Luxury Vinyl Tile (LVT)Creative design freedomComplements and enhances our carpet tile portfolio No transition strips needed Same sizes as our carpet tilesHigh acoustic value (Sound Choice™ backing) Climate neutral offering (Cool Floor™)  Modular Product Portfolio 

 Global Sales and Manufacturing Platform  Sales in over 110 countries600+ Interface sales & marketing professionalsGlobal account management                          Note: Figures represent FYE 2017   Six manufacturing locations on four continentsGlobal supply chain managementUnique blend of efficiency and customization  Manufacturing Facility    Showroom Location    AMERICAS59%of Net Sales  EMEA25%of Net Sales  ASIA-PACIFC16% of Net Sales 

 Diversified Customer Verticals  CORPORATE OFFICEHighest penetration of carpet tile vs broadloomGlobal Account managementEmerging market penetration  EDUCATIONK-12 and higher educationSecond highest penetration of carpet tile vs broadloom   HOSPITALITYGuest rooms, corridors and public spacesNamed the brand standard or alternate at Hilton, Marriott, IGH and Choice Hotels properties  RETAILRetail and bank branchesSignificant opportunity for broadloom conversionHigh penetration of LVT  Note: Figures represent FYE 2017  

 Growth andValue Creation 

 Grow the CoreCarpet Tile Business  Develop a Modular Resilient Flooring Business  ExecuteSupply ChainProductivity  Optimize SG&AResources  Growth and Value Creation Strategy  Lead a World-Changing Sustainability MovementCentered Around Mission Zero and Climate Take Back.  Interface’s goal is to become the world’s most valuable interior products & services company 

 Grow the Core Carpet Tile Business    Enhance salesforce productivity – Execute on selling system transformation including reorganization, training and technology toolsElevate and grow segments – Drive growth in priority segments including Corporate Office, Hospitality, Living and EducationOptimize product portfolio – Expand our portfolio to increase the addressable marketLead the market in design and innovation – Continue to introduce innovative new products that energize and inspireContinue to develop brand love, commanding the strongest Net Promoter Score among A&D and End Users 

 Develop a Modular Resilient Flooring Business    Continue penetrating the high growth LVT segment – Build on successful global LVT launchExpand product portfolioIntroduce innovative new productsExpand global participation 

 Execute Supply Chain Productivity    Execute Troup Co. Optimization plan which we expect to yield $30M of annual savingsImplement a dynamic yarn strategyContinue to deliver on productivity pipeline initiativesFinalize global execution of ERP system down to the factory floor  

 Optimize SG&A Resources    Repurpose spend toward growth initiatives and the highest ROIStage gating of key investments Leverage Interface’s purpose-driven culture  

 Purpose-DrivenCultureGalvanizedAround aCommonSustainability Mission   GLOBESCAN SUSTAINABILITY SURVEY – 20 YEAR HISTORY  Unilever  Patagonia  Interface  IKEA  Tesla  Natura  M&S  Nestle 

 We commit to running our business in a way that creates a climate fit for life – and we call on others to do the same.We are the only company that sells all of our flooring as carbon neutral and we expect to demonstrate that industry can operate with carbon negative business models.  Purpose-Driven Companies Outperform their Peer Sets  ENERGY USE  43%  RENEWABLE ENERGY  88%  GHG EMISSIONS  96%  WASTE TO LANDFILL  91%  WATER INTAKE  88%  RECYCLED & BIOBASED MATERIALS  58%  PRODUCT CARBON FOOTPRINT  66%                Reduction versus 1996 Baseline  CLIMATE TAKE BACK 

 7  k  g                                                            2  k  g                                                            UNITED STATES MANUFACTURED CARPET TILE CARBON FOOTPRINTCradle-to-Gate, from raw material extraction through manufacturing  Moving Toward a Carbon Negative Business Model  It is possible to make a product with the potential to reverse global warming.   Proof Positive Carpet Tile Prototype  CO2  footprint values are taken from publicly available third party verified Environmental Product Declarations. Although Environmental Product Declarations generally have limited comparability, the characterization factor for each product's carbon footprint is the same across all of these Environmental Product Declarations. This data is geographically limited to United States manufacturing and the above metrics do not compare any product outside of the United States.  We’ve reduced the average carbon footprint of our carpet by 60% since we began this journey. 

 FinancialPerformance 

 Grow Revenue at 2x the IndustryBuild Industry Leading Gross Margins Manage SG&A Spend While Investing in Our Brand & Growth DriversEPS Growth 2x – 2.5x Revenue Growth  Targets   

 GAAP Financial Results 

 * See Appendix for a reconciliation on Non-GAAP figures  Adjusted Financial Results* 

 Revenue Growth  Q1 ORGANIC SALES*($ in millions)    7% Growth    FYE ORGANIC SALES*($ in millions)  5% Growth    5% Growth  * See Appendix for a reconciliation on Non-GAAP figures  Organic Sales were up 7% in the first quarter and were up 5% last year 

 Adjusted Earnings Per Share  ADJUSTED EARNINGS PER SHARE*(Adjusted Diluted Earnings Per Share)  * See Appendix for a reconciliation on Non-GAAP figures  Our value creation strategy is generating double digit Adjusted EPS growth    15% CAGR 

 Creating Value for Shareowners  1-YEAR STOCK PRICE PERFORMANCE  Based on stock prices from 3/31/2017 through 3/29/2018  12%  19%  32%  17% 

 ENDING CASH BALANCE($ in millions)  TOTAL DEBT($ in millions)  NET DEBT*($ in millions)  NET DEBT* / TOTAL CAPITAL  * See Appendix for a reconciliation on Non-GAAP figures  Capital Structure 

 Investment Highlights: Who We Are  a leadingglobal provider of commercial modular flooring solutions  the most valuable brand in the flooring category  strongest global sales & marketing capabilities  global manufacturing footprint and industry-leading gross margins  an engaged, customer-centric culture, focused on performance and galvanized around our sustainability mission 

 Appendix  Appendix 

 Commercial Flooring represents an estimated $34 Billion segment with growth aligned to GDP expansion. Approximately 20% of hard surface volume is in the high growth resilient category, which includes LVT.Carpet Tile represents approximately 13% of global commercial flooring with continued growth above segment rates as it takes share from broadloom and hard surface.  Global Commercial Flooring Segment  Source: Management estimates  GLOBAL COMMERCIAL FLOORING 

 Global Commercial Flooring Segment  Carpet tile has captured a large share of soft surface flooring in the office and education segments.Other vertical segments represent growth opportunities for carpet tile, particularly hospitality and “living.”The strongest segments for LVT are multi-residential, office and retail.  GLOBAL COMMERCIAL FLOORING  Source: Management estimates  Carpet Tile  Broadloom  LVT  Other Hard Surface 

 Global Commercial Flooring Segment  An estimated 70% of the carpet tile segment is highly influenced by A&D and End Users.Dealers influence more commodity portions of demand.  Source: Management estimates  GLOBAL CARPET TILE  Specified  Dealer/Trade  End User 

     New Build  Renovation  Source: Management estimates  An estimated 75% of carpet tile demand is driven by renovation versus new build.  Global Carpet Tile Segment  GLOBAL CARPET TILE 

 Appendix: Reconciliation of Non-GAAP Figures