Gas trapped between polymer fronts

Swellcoat™ Water Blocking & Absorbing Yarns PRODUCT BULLETIN Swellcoat™ impregnated fibers introduce Super Absorbent Polymer (SAP) into fiber optic cable binders, fillers, and buffer threads to create a stable gel that can absorb up to 100x its weight. Fahrenheitlaan 8 9207 HE Drachten The Netherlands +31(0) 58 216 7599 European Manufacturing Operations Fiber-Line International Unit 1B, Churnet Park, James Brindley Road Leek, Staffordshire, ST13 8YH Asia Pacific Operations & Sales Office Fiber-Line International Building 9, No. 8 Lanxiang road, Shimoxi Garden, Wujin Area Changzhou, Jiangsu, China, 213145 +86(0)519-8885 7566 MATERIALS MADE IN AMERICA BY AMERICAN COMPANIES Avient manufactures engineered fiber solutions for fiber optic cable manufacturing through its subsidiary Fiber-Line, LLC. Five of Avient’s nearly 50 U.S. facilities currently provide fiber optic cable plastics, polymers, and components which are ultimately used to enable the expansion of broadband internet access.

Avient offers a broad range of specialized and sustainable engineered polymers, thermoplastic elastomers, colorants, and additives that can be formulated to meet custom product specifications and performance requirements of a given application. Our breadth of materials, design and technical expertise allows us to select from a range of solutions to more accurately predict performance and confirm that requirements are being met. Identify Equipment Needs • Material handling and drying equipment needs and sizing • Primary processing equipment improvements • Secondary operations equipment improvements Optimize Processes • Material preparation • Primary process development • Secondary operations process development • Tooling debug/optimization Troubleshooting • Failure analysis/issue resolution • Process/mold support • Equipment review Training • Polymers fundamentals training • Polymer types training Avient’s unique combination of materials, design expertise and technical services enables us to conquer challenges and unlock the potential of innovation in meaningful and dynamic ways for customers around the world.

Avient offers a broad range of specialized and sustainable engineered polymers, thermoplastic elastomers, colorants, and additives that can be formulated to meet custom product specifications and performance requirements of a given application. Our breadth of materials, design and technical expertise allows us to select from a range of solutions to more accurately predict performance and confirm that requirements are being met. Identify Equipment Needs • Material handling and drying equipment needs and sizing • Primary processing equipment improvements • Secondary operations equipment improvements Optimize Processes • Material preparation • Primary process development • Secondary operations process development • Tooling debug/optimization Troubleshooting • Failure analysis/issue resolution • Process/mold support • Equipment review Training • Polymers fundamentals training • Polymer types training Avient’s unique combination of materials, design expertise and technical services enables us to conquer challenges and unlock the potential of innovation in meaningful and dynamic ways for customers around the world.

Use of Non GAAP Measures Page 3 -150.00% -100.00% -50.00% 0.00% 50.00% 100.00% 150.00% 200.00% 250.00% 300.00% 350.00% PolyOne S&P 500 Strategy and Execution Drive Results Page 4 • Since 2006, PolyOne stock has expanded approximately 300% vs. a 30% increase in the S&P 500 All time closing high of $26.63 May 28, 2013 The World’s Premier Provider of Specialized Polymer Materials, Services & Solutions Four Pillar Strategy Page 5 2013 Portfolio Transformation Highlights • Substantial organic mix improvement drives 29% increase in first quarter EPS – 14th consecutive quarter of double-digit EPS growth • Completed acquisition of Spartech • Announced the creation of a new Specialty segment – Designed Structures and Solutions • Completed the sale of our non-core resin assets • Realigned our Specialty Coatings business into our GCAI segment Page 6 0.12 0.27 0.21 0.13 0.68 0.82 1.00 2.50 $0.00 $0.25 $0.50 $0.75 $1.00 $1.25 $1.50 $1.75 $2.00 $2.25 $2.50 2006 2007 2008 2009 2010* 2011* 2012* 2015 Target Ad ju st ed E ar ni ng s P er S ha re Appliance 6% Building & Construction 13% Wire & Cable Electrical & Electronics 4% Consumer Packaging 18% Industrial 10% Misc. 5% HealthCare Transportation 16% Textiles 1% PP&S 15% Specialty Distribution 25% United States 70% Europe 14% Canada 8% Asia 5% Latin America 3% 2012 Revenues: $4.0 Billion* End Markets* 2012 Revenues: $4.0 Billion* EPS Page 7 * Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms & excludes resin assets PolyOne At A Glance * Restated to exclude discontinued operations Old PolyOne Transformation *Operating Income excludes corporate charges and special items **Pro Forma results include Spartech and Glasforms acquisitions, Specialty Coatings reclass and excludes resin assets 2% 34% 43% 45% 60% 65 – 75% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2012 2012PF** 2015 % o f O pe ra tin g In co m e* JV's PP&S Distribution Specialty Specialty OI $5M $46M $87M $114M $150M Target Mix Shift Highlights Specialty Transformation 2015 Target Page 8 2007 Q1 2013 2015 Target 1) Operating Income % Specialty: Global Color, Additives & Inks 4.6% 11.7% 12 – 16% Global Specialty Engineered Materials 1.3% 10.1% 12 – 16% Designed Structures & Solutions -- 4.6% 8 – 10% Performance Products & Solutions 6.1% 8.1% 9 – 12% Distribution 3.0% 6.0% 6 – 7.5% 2) Specialty Platform % of Operating Income 20% 60% 65 – 75% 3) ROIC* (after-tax) 7% 9.2% 15% 4) Adjusted EPS Growth N/A 29% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 9 *Percentage of Specialty Platform revenue from products introduced in last five years 19.5% 50.0% 2006 Q1 2013 $20.3 $41.9 2006 2012 14.3% 27.8% 2006 Q1 2013 Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth ($ millions) Specialty Platform Gross Margin % Page 10 Positioned for Strong Growth 2015 Target Rev: $5B Adj. Platform operating income mix percentage 2005Y* 2006Y* 2007Y* 2008Y* 2009Y* 2010Y* 2011Y* Global Specialty Engineered Materials $ 0.4 $ 3.9 $ 4.9 $ 17.6 $ 20.6 $ 49.7 $ 45.9 Global Color, Additives and Inks 4.3 8.9 25.7 28.1 25.2 37.7 43.4 Specialty Platform $ 4.7 $ 12.8 $ 30.6 $ 45.7 $ 45.8 $ 87.4 $ 89.3 Performance Products and Solutions 75.7 64.2 65.8 31.3 33.1 54.0 62.4 Distribution 19.5 19.2 22.1 28.1 24.8 42.0 56.0 SunBelt Joint Venture 91.9 102.9 34.8 28.6 25.5 18.9 5.0 Corporate (51.5) 34.5 (73.3) (425.1) 7.9 (27.7) 20.3 Operating income (loss) GAAP $ 140.3 $ 233.6 $ 80.0 $ (291.4) $ 137.1 $ 174.6 $ 233.0 Less: Corporate operating expense (income) 51.5 (34.5) 73.3 425.1 (7.9) 27.7 (20.3) Operating income excluding Corporate $ 191.8 $ 199.1 $ 153.3 $ 133.7 $ 129.2 $ 202.3 $ 212.7 Specialty platform operating mix percentage 2% 6% 20% 34% 35% 43% 42% Platform operating income mix percentage 2012Y* 2012PF** Global Specialty Engineered Materials $ 47.0 $ 47.7 Global Color, Additives and Inks 66.8 81.6 Designed Structures & Solutions -- 20.9 Specialty Platform $ 113.8 $ 150.2 Performance Products and Solutions 74.9 37.4 Distribution 66.0 66.0 Corporate (87.6) ( 87.9) )Operating income GAAP $ 167.1 $ 165.7 Less: Corporate operating expense 87.6 87.9 Operating income excluding Corporate $ 254.7 $ 253.6 45% 60% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. ** Pro Forma results include Spartech and Glasforms acquisitions, Specialty Coatings reclass and excludes the Resin business assets. Average Debt Q1 2012 Q2 2012 Q3 2012 Q4 2012 Q1 2013 Average PolyOne Debt $ 706.4 $ 705.8 $ 705.2 $ 706.9 $ 1055.5 $ 776.0 Average Equity Q1 2012 Q2 2012 Q3 2012 Q4 2012 Q1 2013 Average PolyOne shareholders’ equity $ 611.3 $ 604.3 $ 629.3 $ 629.1 $ 871.8 $ 669.2 Platform sales and operating income (OI) 2012Y* 2012PF** Q1 2013 Global Specialty Engineered Materials Sales $ 543.6 $ 773.0 $ 159.8 Global Color, Additives and Inks Sales 703.5 828.5 205.3 Designed Structures & Solutions -- 850.6 41.5 Specialty Platform Sales $ 1,247.1 2,452.1 406.6 Performance Products and Solutions Sales 837.0 696.1 159.7 PolyOne Distribution Sales 1,030.3 1,030.3 268.0 Corporate and Eliminations (121.8) (121.6) (33.2) Total Sales $ 2,992.6 $ 4,056.9 $ 801.1 Global Specialty Engineered Materials OI $ 47.0 $ 47.7 $ 16.2 Global Color, Additives and Inks OI 66.8 81.6 24.1 Designed Structures & Solutions -- 20.9 1.9 Specialty Platform OI $ 113.8 $ 150.2 $ 42.2 Performance Products and Solutions OI 74.9 37.4 13.0 PolyOne Distribution OI 66.0 66.0 16.2 Corporate and eliminations (33.7) (40.0) (14.3) Special items in OI (53.9) (53.9) (16.6) Operating income - GAAP $ 167.1 $ 159.7 $ 40.5 Special items in OI 53.9 53.9 16.6 Operating income adjusted $ 221.0 $ 213.6 $ 57.1 Global Specialty Engineered Materials - OI % of sales 8.6% 6.1% 10.1% Global Color, Additives and Inks - OI % of sales 9.5% 9.8% 11.7% Designed Structures & Solutions -- 2.5% 4.6% Specialty platform OI % of sales 9.1% 6.1% 10.4% PP&S operating OI % of sales 9.0% 5.4% 8.1% Distribution OI % of sales 6.4% 6.4% 6.0% PolyOne OI adjusted, % of sales 7.4% 5.3% 7.1% PolyOne Investor Presentation�Deutsche Bank 2013 Global Industrials and Basic Materials Conference ��June 12, 2013� Forward – Looking Statements Use of Non GAAP Measures Strategy and Execution Drive Results Four Pillar Strategy 2013 Portfolio Transformation Highlights PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Proof of Performance & 2015 Goals Innovation Drives Earnings Growth Positioned for Strong Growth First Quarter Financial Highlights Debt Maturities & Liquidity Summary – 3/31/13 Use of Cash Why Invest In PolyOne?

McAlindon (24) Page 24 Award-Winning Marketing Campaign Page 25 2012 Range Rover Evoque Interior • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital Page 26 KOR Delta Hydration Vessel • Specialty TPE formulation overcame performance issues • Eliminated secondary assembly process for increased operational efficiency Interior seal Flip-top seal Bottom ring Page 27 Friedrich Kühl® Decorative Air Conditioner Housing • Replaced painted ABS housing with Geon™ solution • Reduced operating noise • Simplified manufacturing footprint to drive significant cost savings Page 28 • Focused on markets with high growth and profit potential • Leveraging our in-depth knowledge of formulation Focused Efforts in Attractive Industry Segments $113 $260 Healthcare and processing to develop market driven solutions • Aligning resources across the organization to drive growth in target markets $152 $228 2006 2011 Sustainable Solutions (Revenue in $ millions) 2006 2011 2006 2011 2006 2011 Page 29 • Design service collaboration • Doubled productivity and improved yield rates • Substantial reduction in overall manufacturing costs Pulmonary Device Page 30 Innovating for the future… Rejuvenate a mature industry with new products and processes Products designed for “next life” instead of “end life” Plastics: Key to Future Sustainable Development …Making a difference today! end life” New designs for energy and carbon efficiency New applications for used and recycled plastics Page 31 Therma-Tech™ LED Lighting • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost Page 32 Decreasing Decreasing Dependence on Dependence on Fossil FuelsFossil Fuels Globalizing and Globalizing and LocalizingLocalizing Protecting the Protecting the EnvironmentEnvironment Protecting the Protecting the EnvironmentEnvironment Improving Improving Health and Health and WellnessWellness Improving Improving Health and Health and WellnessWellness Alignment with Megatrends • Aging population • Longer life expectancy • Healthy living • Aging in place • Aging population • Longer life expectancy • Healthy living • Aging in place • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles Page 33 48.7% $40.5 26.3% Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth Specialty Platform Gross Margin % * Percentage of Specialty platform revenue from products introduced in last five years 19.5% $20.3 14.3% ($ millions) Page 34 StrategyStrategy PolyOne Innovation Framework Unmet Needs Identification Idea Generation and Shaping Offering Offering Offering Offering Phased Offering Launch Offering Offering LaunchLaunch Offering Offering DevelopmentDevelopment Market Penetration and Value Maximization Intellectual Property ● Resources ● CultureIntellectual Property ● Resources ● Culture Page 35 • Accelerate growth in targeted industries and expand geographic presence through market-driven innovations • Leverage new talent, tools, and training to drive customer satisfaction and margin expansion Critical Imperatives satisfaction and margin expansion • Translate best practices to / from ColorMatrix • Drive specialization using a value-based mindset Page 36 Page 37

COLOR AND ADDITIVE CONCENTRATES FOR WIRE AND CABLE SELECTION GUIDE As a leading supplier to the wire and cable industry, we offer a broad portfolio that includes colorants and additives for various standards, applications, and polymer systems. ONCOLOR™ COLOR CONCENTRATES • Complete range of in-stock color solutions designed specifically for telecommunications, energy, and automotive applications - Complete Munsell color range for telecommunications applications - Complete NEMA color range for electrical applications - J1128 SAE specifications for automotive applications - UL 2885 file E482856 for halogen-free formulations • Custom color solutions for your most demanding low smoke, non-halogenated, UV, temperature, aging, and shrinkage requirements • Weatherable pigments providing color fade resistance for demanding outdoor applications • Optimized formulations for cross-linked polyethylene wire and cable constructions CESA™ PERFORMANCE ADDITIVE CONCENTRATES Custom designed additive solutions for your specific applications, providing added value through ease of processing, product performance, and operational cost savings • Laser marking - improve marking reliability and durability in all types of cable jacketing and insulating materials • Antimicrobial - help protect cables from harmful mold and bacteria growth • Nucleating agents - maintain critical dimensions and manage shrink characteristics • Chemical foaming agents - take out weight and reduce resin costs • UV stabilizers - protect resin material and extend product life • Antioxidants - maintain physical properties • Processing aids - minimize die drool associated with some materials COLORANT CHROMATICS™ HIGH- TEMPERATURE POLYMER SOLUTIONS • Fluoropolymer and high-temperature thermoplastics-based colorant and additive concentrates and compounds • Dispersed pigments for coloring PTFE • Functional additives including laser marking, foaming agents, and conductive, antistatic, radiopaque, reinforced, and cross-linked grades • Full range of printing, striping, and marking inks PRODUCT LET DOWN COLOR CC10225921 1.00% Black CC00012573 1.00% White CC10222359 1.00% Red CC10223395 1.00% Gray CC10222361 1.00% Green CC00012376 1.00% Blue CC10222363 1.00% Orange CC10222360 1.00% Yellow CC10223394 1.00% Brown CC00012516 1.00% Purple CC10062368 1.00% Aqua CC10223396 1.00% Pink C PRODUCT LET DOWN COLOR CC00000001 1.00% Black CC00012837 1.00% White CC10225296 1.00% Red CC10225298 1.00% Gray CC10225300 1.00% Green CC10225295 1.00% Blue CC10225297 1.00% Orange CC10225299 1.00% Yellow CC10225301 1.00% Brown CC10225603 1.00% Purple CC10225293 1.00% Aqua CC10225294 1.00% Pink PE ONCOLOR™ SOLUTIONS FOR TELECOMMUNICATIONS • PVC colorants designed for telecommunications and fiber optic applications • PE colorants that are excellent for foam skin and solid insulation applications • EVA colorants designed for cross-linked materials and resin applications including XLPE, XLPO, PVC, PE, and more PRODUCT LET DOWN COLOR CC00012853 1.00% Black CC00012946 1.00% White CC10221766 1.00% Red CC10221760 1.00% Gray CC10221765 1.00% Dk Green CC10221764 1.00% Lt Green CC10221757 1.00% Dk Blue CC10221761 1.00% Lt Blue CC10221767 1.00% Orange CC10221763 1.00% Yellow CC10221758 1.00% Brown CC10221762 1.00% Purple CC10224626 1.00% Tan CC10221759 1.00% Pink EV A PRODUCT LET DOWN COLOR CC10190635 3.00% Black CC10190642 3.00% White CC10190641 3.00% Red CC10190637 3.00% Gray CC10190638 3.00% Green CC10185195 3.00% Blue CC10185197 3.00% Orange CC10190643 3.00% Yellow CC10190636 3.00% Brown CC10190640 3.00% Purple CC10190634 3.00% Aqua CC10190639 3.00% Pink PB T PRODUCT LET DOWN COLOR CC10246438WE 2.00% Aqua CC10245005WE 2.00% Black CC10246090WE 2.00% Blue CC10264438DR 2.00% Brown CC10245008WE 2.00% Gray CC10246092WE 2.00% Green CC10264439DR 3.00% Orange CC10261866DR  2.00% Pink CC10261867DR 2.00% Purple CC10264436DR 2.00% Red  CC10245006WE 2.00% White CC10246093WE 2.00% Yellow U L 85 ONCOLOR™ SOLUTIONS FOR ENERGY CABLE APPLICATIONS • Recommended use rate may vary depending on specific application, process, equipment, and resin grade PRODUCT LET DOWN COLOR (NEMA) CC00012342 1.00% Black CC00012575 1.00% White CC00012547 1.00% Red CC10018221 1.00% Gray CC00012444 1.00% Dk Green CC10018222 1.00% Lt Green CC00012408 1.00% Dk Blue CC00012407 1.00% Lt Blue CC10013140 1.00% Orange CC00036502 1.00% Yellow CC00012363 1.00% Dk Brown CC00012373 1.00% Lt Brown CC00012526 1.00% Purple CC10018225 1.00% Tan C PRODUCT LET DOWN COLOR (NEMA) AB13820380 3.00% Yellow AB24820333 3.00% Orange AB32820571 3.00% Pink AB33820570 3.00% Red AB44820167  3.00% Purple AB54820507 3.00% Dark Blue AB63820502 3.00% Dark Green AB72820811 3.00% Gray AB84820533 3.00% Brown AB94820333 3.00% Black CC00016954  1.00% White N YL O N ONCOLOR™ SOLUTIONS FOR AUTOMOTIVE APPLICATIONS • EVA colorants designed for use with cross-linked materials such as XLPE • Recommended use rate is 1.00% and may vary depending on specific application, process, equipment, and resin grade PRODUCT LET DOWN RATIO COLOR CC00012853 1.00% Black CC00012946 1.00% White CC10221766 1.00% Red CC10221760 1.00% Gray CC10221765 1.00% Dk Green CC10221764 1.00% Lt Green CC10221757 1.00% Dk Blue CC10221761 1.00% Lt Blue CC10221767 1.00% Orange CC10221763 1.00% Yellow CC10221758 1.00% Brown CC10221762 1.00% Purple CC10224626 1.00% Tan CC10221759 1.00% Pink EV A, J 11 PRODUCT LET DOWN RATIO COLOR CC00012342 1.00% Black CC00012575 1.00% White CC00012535 1.00% Red CC00012461 1.00% Gray CC00012425 1.00% Dk Green CC00012426 1.00% Lt Green CC00012379 1.00% Dk Blue CC00012378 1.00% Lt Blue CC00012490 1.00% Orange CC00012585 1.00% Yellow CC00012363 1.00% Brown CC00012525 1.00% Purple CC00012561 1.00% Tan CC00012507 1.00% Pink C, J 11 A RANGE OF WORLD-CLASS SERVICES With manufacturing facilities and innovation centers across the globe, we work with you to understand your goals and provide the expertise you need for your wire and cable applications. LOOK TO US FOR SUPPORT WITH: Testing and Validation Fully accredited, in-house testing capabilities to generate data for insight into material behavior, environmental effects, and more Regulatory Coordination Dedicated product stewardship team assisting with new product approvals to reduce regulatory overhead and minimize risk Application Development Technical Service Technical experts specifically trained to work directly with your team in solving definitive application challenges Field Technical Service Onsite support for tool design, startup, and production optimization to gain manufacturing efficiencies and resolve technical issues Color and Additive Design Services Trend and color insights, and product development assistance to optimize design and gain speed to market Sustainability Innovative materials and solutions to help you meet your sustainability goals Copyright © 2024, Avient Corporation.

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