T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y  Transformational M&A with PP&S divestment and pending acquisition of Clariant Masterbatch business  Growing leadership position in attractive markets  Innovation, technology and service are differentiators  Capital management is a strength: Record-setting cash generation to continue for years  Proven acquisition strategy with robust pipeline  Commercial investments are fueling momentum and generating organic growth S E R V I C E : T H E T I M E L E S S D I F F E R E N T I A T O R PolyOne Corporation 40 T A L E N T D E V E L O P M E N T PolyOne Corporation 41 Leadership Program Participants 2012 2013 2014 2015 47 0 86 2016 2019 125 169 412 Campus Hires 2008 2011 2014 2017 0 25 90 47 PolyOne LSS Blackbelts 2008 2011 2014 2019 0 67 247 147 2019 134 A U N I Q U E C U S T O M E R E X P E R I E N C E Industrial Design I Q D E S I G N PolyOne Corporation 42 Computer Aided Engineering Design Strategy 3 15 2014 2019 Designers & Engineers $0 $15M 2014 2019 $4M $87M 2014 2019 Opportunity funnel Total Revenue L S S C U S T O M E R F I R S T PolyOne Corporation 43 Customer Engagements Enables sales growth by building more intimate customer relationships, giving us insight to customers’ needs, with a service that is not easily replicated 2014 2019 2 210 I N N O V A T I N G W I T H P O L Y O N E PolyOne Corporation 44 S E G M E N T H I G H L I G H T S C O L O R , A D D I T I V E S & I N K S E N D M A R K E T S & S O L U T I O N S PolyOne Corporation 45 Solid Colorants Performance Additives Screen Printing Inks Liquid Colorants Packaging 31% Industrial 14% Textiles 13% Wire & Cable 10% Building & Construction 9% Consumer 8% Transportation 7% Healthcare 5% Appliances 2% Electrical & Electronics 1% Operating Income & MarginRevenue by Region C O L O R , A D D I T I V E S & I N K S 2 0 1 9 R E V E N U E | O V E R $ 1 B I L L I O N PolyOne Corporation 46 Europe 34% United States 44% Asia 15% Canada 1% Mexico 3% South America 3% $4 $25 $104 $147 2005 2009 2013 2019 0.9% 5.5% 12.2% 14.7% S P E C I A L T Y E N G I N E E R E D M A T E R I A L S E N D M A R K E T S & S O L U T I O N S PolyOne Corporation 47 Engineered Formulations Advanced Composites Thermoplastic Elastomers Wire & Cable 15% Telecommunications (FOC) 13% Consumer 19% Electrical & Electronics 12% Healthcare 9% Industrial 8% Packaging 6% Appliance 2% Building & Construction 2% Transportation 14% Note: (FOC) refers to Fiber Optic Cabling S P E C I A L T Y E N G I N E E R E D M A T E R I A L S Revenue by Region Operating Income & Margin 2 0 1 9 R E V E N U E | $ 7 5 0 M I L L I O N PolyOne Corporation 48 Europe 27% United States 54% Asia 17% Canada 2% $21 $57 $87 2005 2009 2013 2019 0.1% 5.1% 9.3% 11.6% D I S T R I B U T I O N E N D M A R K E T S & S U P P L I E R S PolyOne Corporation 49 Healthcare 28% Transportation 23% Industrial 19% Consumer 12% Appliance 6% Electrical & Electronics 5% Building & Construction 4% Packaging 2% Wire & Cable 1% Operating Income & Margin2019 Revenue | $1.2 Billion $25 $63 $75 2005 2009 2013 2019 $20 2.9% 4.0% 5.9% 6.3% http://www.avient.com/Pages/VariationRoot.aspx O V E R V I E W O F R A W M A T E R I A L P U R C H A S E S PolyOne Corporation 50 Performance Additives 15% Polyethylene 13% Pigments 9% Styrenic Block Copolymer 7% Nylon 7% TiO2 6% Polypropylene 5% Dyestuffs 4% Plasticizers 3% Other Raw Materials 31% $900 million of raw material purchases in 2019 excluding Distribution business Note: All figures exclude divested PP&S business T A R G E T E N D M A R K E T S & A P P L I C A T I O N E X A M P L E S PolyOne Corporation 51 Thermally Conductive Technologies Chemical Resistant Technologies Polymer Colorants Elastomeric Grips and Handles Structural Composites Antimicrobial Technologies Anti-Counterfeiting Technologies Target End Markets… Healthcare Catheter Technologies Under-hood Components Target End Markets… Automotive Interior Structural Components Sound & Vibration Management Roof Systems Air Management Electronics and Cameras Lighting Exterior / Interior Trim Braces & Brackets Fasteners Seals & Flaps Target End Markets… Consumer Thermally Conductive Components Polymer Colorants Elastomeric Grips and Handles Structural Composite Components Oxygen Scavenger Technologies Laser Marking Additives Antistatic Technologies UV Light Barrier Technologies Cap & Closure Colorants Process Optimization Technologies Antioxidant Technologies Density Modified Technologies Target End Markets… Packaging  Impart weight, sound and metallic finish to caps and closures for cosmetics and spirits applications  Elevate quality and prestige perceptions among high-end consumers  Eliminate time and cost associated with secondary operations and assembly Luxury Packaging GravitechTM Density Modified Polymers  Eliminate costs by increasing pigment density  Enhance color performance without altering form and formulation  Increase design capabilities by reducing weight and layer thickness Optimize Color Usage OnColorTM Super Concentrates  Inhibit microbial growth on polymer surfaces  Enhance value or products and devices  Highly versatile concentrate with the ability to be incorporated into a wide variety of products Combat Bacteria Formation WithStandTM Antimicrobial Technology  Durable, long-lasting products stand up to the most aggressive disinfectants  Minimize environmental stress cracking and discoloration  One of the broadest medically approved polymer and colorant portfolios Medical Device Housings Chemically Resistant Engineered Polymers Color & Design Services  Greater control of color development and supply chain  Work across entire design process from concept to commercialization  Inspire creativity in the use of polymer materials, colors, and effects  Innovative brand differentiation  Faster development timelines Outdoor Applications  Leading provider of high performance specialty materials for the recreational and sports & leisure industry  Well positioned across all segments to address market needs  Metal to Polymer Conversion  Lightweighting  Thermal Management  Impact Performance  ColorMatrix Fiber Colorant Solutions  Proprietary advanced liquid color formulations and equipment enable greater efficiency and productivity  Eliminates aqueous dyeing and its associated wastewater treatment  Solid Color Concentrates  Extrusion-spun fibers colored via solid masterbatch Fiber Colorants PolyOne Corporation 63 Global high yield & leveraged finance Conference Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision Safety First Commodity to Specialty Transformation PolyOne�2019 Revenue | $2.9 billion Slide Number 8 Sustainable Path to Double-Digit EPS Growth Expansion of Commercial Resources driving growth The Evolving Customer Relationship Slide Number 12 Aligning with trends for Growth Revenue from Sustainable Solutions Innovation 3 Horizons of Development Innovation Spotlight: Composites COMPOSITE MATERIALS COMPOSITEs Portfolio�Diverse Capabilities and Solutions Serving Manufacturers and OEMS PolyOne applications in Fiber optic cables Fiber optical growth drivers Invest-to-Grow M&A Strategy Invest-to-Grow M&A Playbook Invest-to-Grow Proof of performance Clariant Masterbatch Acquisition Drives�Next Level Specialty Transformation Transformation Headlines Fit with Four Pillar Strategy End Market Transformation End Market Transformation Complementary Geographic Presence Slide Number 31 PolyOne + Clariant Masterbatch Business Over 85% of Adjusted EBITDA from Specialty Transaction overview Significant Synergy Opportunities Attractive Financing Structure Slide Number 37 Returning cash to shareholders�Over $1.2 Billion since 2011 Why Invest In PolyOne?

The Producer Services business unit offers contract manufacturing and outsourced polymer manufacturing services to resin producers and polymer marketers, primarily in the United States and Mexico, as well as its own proprietary formulations for certain applications. Toluca, Mexico 12. Ramos Arizpe, Mexico 13.

The Producer Services business unit offers contract manufacturing and outsourced polymer manufacturing services to resin producers and polymer marketers, primarily in the United States and Mexico, as well as its own proprietary compounds for pressure pipe and drip irrigation applications. Revenue from these operations (principally from Canada, Mexico, Europe, South America and Asia) was approximately 32% in 2014, 33% in 2013 and 40% in 2012 of our total revenues. The Producer Services business unit offers contract manufacturing and outsourced polymer manufacturing services to resin producers and polymer marketers, primarily in the United States and Mexico, as well as its own proprietary compounds for pressure pipe and drip irrigation applications.

The Producer Services business unit offers contract manufacturing and outsourced polymer manufacturing services to resin producers and polymer marketers, primarily in the United States and Mexico, as well as its own proprietary compounds for pressure pipe and drip irrigation applications. Toluca, Mexico 11. Salisbury, Maryland Mexico (11 Manufacturing 14.

Toluca, Mexico 8. Ramos Arizpe, Mexico 15. The Producer Services business unit offers contract manufacturing and outsourced polymer manufacturing services to resin producers and polymer marketers, primarily in the United States and Mexico, as well as its own proprietary formulations for certain applications.

Row 16 (3.2.1) Country/Area & River basin Mexico ☑ Verde (3.2.2) Value chain stages where facilities at risk have been identified in this river basin Select all that apply ☑ Direct operations (3.2.3) Number of facilities within direct operations exposed to water-related risk in this river basin 1 (3.2.4) % of your organization’s total facilities within direct operations exposed to water-related risk in this river basin Select from: 46 ☑ Less than 1% (3.2.10) % organization’s total global revenue that could be affected Select from: ☑ Less than 1% (3.2.11) Please explain Data based on sites with extremely high water risk level from WRI. Lawrence 60 ☑ Yangtze River (Chang Jiang) ☑ Other, please specify :India West Coast, Gulf of Mexico (3.6.1.8) Organization specific description The sites have identified water-related activities that can help improve recyclability and reduce risk Select from: ☑ No (7.30.16.4) Consumption of purchased heat, steam, and cooling (MWh) 0 (7.30.16.5) Consumption of self-generated heat, steam, and cooling (MWh) 0 313 (7.30.16.6) Total electricity/heat/steam/cooling energy consumption (MWh) 665.63 (7.30.16.7) Provide details of the electricity consumption excluded NA Mexico (7.30.16.1) Consumption of purchased electricity (MWh) 3337.62 (7.30.16.2) Consumption of self-generated electricity (MWh) 0 (7.30.16.3) Is some or all of this electricity consumption excluded from your RE100 commitment?

Revenue from these operations (principally from Canada, Mexico, Europe, South America and Asia) was approximately 39% in 2012, 39% in 2011 and 36% in 2010 of our total revenues. Toluca, Mexico (8 Distribution Facilities) 9. Our operations are located primarily in the United States, Europe, Canada, Mexico, Asia and Brazil.

Santa Clara, Mexico 1. Toluca, Mexico 2. The following is a summary of sales and long-lived assets based on the geographic areas where the sales originated and where the assets are located: (In millions) 2021 2020 2019 Sales: United States $ 2,281.2 $ 1,619.7 $ 1,560.4 Canada 151.8 107.6 140.6 Mexico 348.2 236.2 261.2 South America 85.8 51.4 27.8 Europe 1,195.6 729.8 556.2 Asia 756.2 497.4 316.5 Total Sales $ 4,818.8 $ 3,242.1 $ 2,862.7 2021 2020 Total Assets: Color, Additives and Inks $ 2,965.2 $ 3,018.7 Specialty Engineered Materials 771.0 728.1 Distribution 384.9 244.9 Corporate and eliminations 876.1 878.8 Total $ 4,997.2 $ 4,870.5 2021 2020 Property, net: United States $ 276.2 $ 261.8 Canada 1.3 1.4 Mexico 8.3 8.9 South America 19.6 20.1 Europe 172.4 224.5 Asia 198.3 178.2 Total Long lived assets $ 676.1 $ 694.9 Note 16 — DERIVATIVES AND HEDGING We are exposed to market risks, such as changes in foreign currency exchange rates and interest rates.

Santa Clara, Mexico 8. Toluca, Mexico 11. North / Central America South America Europe Middle East/ Asia Africa Australia Canada Argentina Aland Islands Georgia Norway Afghanistan Kazakhstan Saudi Arabia Algeria South Africa Australia Costa Rica Belize Armenia Germany Poland Azerbaijan Kyrgyzstan Singapore Egypt Tanzania New Caledonia Dominican Republic Bolivia Austria Greece Portugal Bahrain Kuwait South Korea Ghana Tunisia New Zealand El Salvador Brazil Belarus Hungary Romania Bangladesh Laos Sri Lanka Guinea Zambia Guatemala Chile Belgium Iceland Serbia Bhutan Lebanon Taiwan Ivory Coast Zimbabwe Haiti Colombia Bosnia Herzegovina Ireland Slovakia Cambodia Malaysia Tajikistan Kenya Honduras Ecuador Bulgaria Italy Slovenia China Maldives Thailand Libya Jamaica Paraguay Croatia Kosovo Spain Hong Kong Myanmar Turkey Madagascar Mexico Peru Cyprus Latvia Sweden India Nepal United Arab Emir.

Argentina Belgium Brazil Canada Chile Avient CDP Climate Change Questionnaire 2022 2022年7月29日（星期五） 3 China Colombia Finland France Germany Guatemala Hungary India Indonesia Ireland Italy Luxembourg Malaysia Mexico Netherlands New Zealand Pakistan Peru Poland Saudi Arabia Singapore South Africa Spain Sweden Taiwan, China Thailand Turkey United Kingdom of Great Britain and Northern Ireland United States of America Viet Nam C0.4 (C0.4) Select the currency used for all financial information disclosed throughout your response. Country/Region Scope 2, location-based (metric tons CO2e) Scope 2, market-based (metric tons CO2e) Belgium 1,243.62 691.39 Brazil 480.87 480.87 Canada 329.82 329.82 China 23,797.07 23,797.07 Finland 114.42 330.47 France 535.28 582.35 Germany 7,895.84 9,832.75 Hungary 607.19 727.07 India 5,802.46 5,802.46 Italy 6,122.27 0 Luxembourg 31.21 31.21 Mexico 1,475.71 1,475.71 Netherlands 112.1 137.1 Peru 37.66 37.66 Poland 2,523.79 3,019.31 Saudi Arabia 9,551.49 9,551.49 Avient CDP Climate Change Questionnaire 2022 2022年7月29日（星期五） 73 Singapore 1,541.95 1,541.95 Spain 5,987.13 4,151.9 Thailand 4,236.59 4,236.59 United Kingdom of Great Britain and Northern Ireland 665.1 1,067.71 United States of America 48,357.61 5,253.3 Turkey 3,091.23 3,091.23 Guatemala 341.85 341.85 Pakistan 1,067.72 1,067.72 Argentina 323.96 211.66 South Africa 1,051.95 1,051.95 Indonesia 1,346.96 1,346.96 Chile 55.87 55.87 Sweden 25.47 0 New Zealand 243.38 243.38 Viet Nam 436.12 436.12 Colombia 303.87 303.87 Ireland 307.26 464.48 Malaysia 503.02 503.02 Taiwan, China 3,695.95 3,695.95 C7.6 (C7.6) Indicate which gross global Scope 2 emissions breakdowns you are able to provide. No Country/area Mexico Consumption of electricity (MWh) 3,704.69 Consumption of heat, steam, and cooling (MWh) 0 Total non-fuel energy consumption (MWh) [Auto-calculated] 3,704.69 Is this consumption excluded from your RE100 commitment?