U S E O F N O N - G A A P M E A S U R E S PolyOne Corporation 3 • This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Specialization Commercial Excellence Operational Excellence Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions PolyOne Corporation 5 P O L Y O N E 2 0 1 7 R E V E N U E | $ 3 . 2 B I L L I O N Transportation 18% Industrial 16% Consumer 12% Packaging 11% Healthcare 11% Wire & Cable 9% Appliance 5% United States 59% Europe 14% Asia 10% Latin America 9% Canada 8% PolyOne Distribution 34% Performance Products & Solutions 21% Specialty Engineered Materials 19% Color Additives & Inks 26% Segment End Market Geography Building & Construction 12% Electrical & Electronics 6% 2009 2010 2011 2012 2013 2014 2015 2016* 2017* A D J U S T E D E P S E X P A N S I O N C O N S E C U T I V E Y E A R S PolyOne Corporation 6 8 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 *Pro Forma for sale of DSS E A R L Y Y E A R S D E F I N E D B Y S P E C I A L T Y M I X I M P R O V E M E N T PolyOne Corporation 7 2% 76% 2005 2017 $5M $280M + 25% + 33% Specialty OI % of Operating Income Consistently Deliver Double Digit Annual EPS Growth *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period PolyOne Corporation 8 2006 2017 2020 “Where we were” “Where we are” Platinum Vision ROIC* 5.0% 14.0% 15.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% 20%+ Specialty Engineered Materials 1.1% 12.5% 20%+ Performance Products & Solutions 5.5% 10.7% 12-14% Distribution 2.6% 6.3% 6.5-7.5% P R O O F O F P E R F O R M A N C E & P L A T I N U M V I S I O N 531 660130 149 504 607 2014 2017 R&D / Technical Marketing Sales I N V E S T M E N T I N C O M M E R C I A L R E S O U R C E S D R I V I N G G R O W T H PolyOne Corporation 9 Increased commercial headcount Largest organic revenue growth since recession $2.9 $2.9 $3.2 2015 2016 2017 Revenue in billions of $ + 24% + 15% + 20% Total + 10% Organic + 7% Free Cash Flow (In millions) ROIC* PolyOne Corporation 10 $50 $116 $143 $0 $40 $80 $120 $160 $200 2012 2014 2016 2018 10.8% 11.3% 12.9% 14.0% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 2012 2014 2016 2017 2020 Platinum Vision $200 - $220 F R E E C A S H F L O W A N D I M P R O V I N G R E T U R N S *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period 15.0% $767M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 9 5 0 M I L L I O N S I N C E 2 0 1 1 PolyOne Corporation 11 $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 2016 2017 $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.58 $0.70 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 3-Year Dividend Plan Cumulative Share Repurchases (In millions) Increasing Annual Dividend Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 12 Incremental development from existing base of technology New development adjacent to current technology New technology development outside of and with our current base Service adjacent markets and customers Create new markets, target new customer needs Service existing markets and customers Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives I N N O V A T I O N P I P E L I N E PolyOne Corporation 13 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2015) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 8 6 8 2 2 36 5 10 13 10 4 6 7 Breakthrough Platform Derivative Number of Projects 33 17 20 15 5 90 Total Addressable Market ($ millions) - - $800 $1,400 $600 $2,800 F L A M E R E T A R D A N T P O L Y M E R S A D V A N C E D C O M P O S I T E S B A R R I E R M A T E R I A L S C O L O R A N T T E C H N O L O G I E S T H E R M O P L A S T I C E L A S T O M E R S 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 L A B S PolyOne Corporation 14 Launched in 2014, IQ Design Labs is our in-house industrial design team that focuses on material selection and processing expertise to help with problem solving, enabling our clients to develop higher performance products. Material & Color Expertise Manufacturing Expertise 2014 2017 3 to 14 industrial designers $0 to $7M new business revenue $4M to $40M opportunities identified L S S C U S T O M E R F I R S T PolyOne Corporation 15 Customer Projects Cumulative LSS Projects Enables sales growth by building more intimate customer relationships, giving us insight to customers’ needs, with a service that is not easily replicated 2014 2017 2 85 PolyOne Corporation 16 W H Y I N V E S T I N P O L Y O N E ?

SWITCHING FROM STEEL TO NYLON CREATES MULTIPLE BENEFITS CASE STUDY: BERGAMID™ NYLON FORMULATIONS Ch all en ge A cc ep te d. HellermannTyton decided to develop the seat securement part using injection-molded Bergamid resin in a standard black color. Further, the material costs for Bergamid resin are lower than those of bent steel plate.

H. H. Mahlberg, U.

Specific Gravity Color Index Heat Stability (F) Light- fastness Carrier White HC Plus-35000 Titanium Dioxide 60 1.78 White 6 Above 400° I/O LSR HC Plus-35100 Titanium Dioxide 75 2.31 White 6 Above 400° I/O HCR Yellow HC Plus-35011 Benzimidazolone Yellow 10 1.01 Yellow 180 350°–400° I/O (MASS) LSR HC Plus-35111 Benzimidazolone Yellow 24 1.49 Yellow 180 350°–400° I/O (MASS) HCR Orange HC Plus-35020 Monoazo Orange 10 1.02 Orange 64 350°–400° I/O LSR HC Plus-35120 Monoazo Orange 25 1.19 Orange 64 350°–400° I/O HCR Red HC Plus-35032 Red Iron Oxide VYS 50 1.60 Red 101 Above 400° I/O LSR HC Plus-35132 Red Iron Oxide VYS 70 2.17 Red 101 Above 400° I/O HCR HC Plus-35031 Special Azoic 15 1.03 Red 187 350°–400° I/O LSR HC Plus-35131 Special Azoic 33 1.33 Red 187 350°–400° I/O HCR Blue HC Plus-35040 3 Phthalocyanine Blue GS 25 1.07 Blue 15 Above 400° I/O LSR HC Plus-35140 3 Phthalocyanine Blue GS 40 1.42 Blue 15 Above 400° I/O HCR HC Plus-35041 Ultramarine Blue 45 1.32 Blue 29 Above 400° I/O LSR HC Plus-35141 Ultramarine Blue 60 1.51 Blue 29 Above 400° I/O HCR Green HC Plus-35050 Phthalocyanine Green 25 1.13 Green 7 Above 400° I/O LSR HC Plus-35150 Phthalocyanine Green 40 1.71 Green 7 Above 400° I/O HCR Violet HC Plus-35033 Quinacridone Red 20 1.04 Violet 19 Above 400° I/O LSR HC Plus-35130 Quinacridone Red 40 1.40 Violet 19 Above 400° I/O HCR Brown HC Plus-35070 Yellow Inorganic - Cr/Sb/Ti Oxide 30 1.26 Brown 24 Above 400° I/O LSR HC Plus-35170 Yellow Inorganic - Cr/Sb/Ti Oxide 60 1.79 Brown 24 Above 400° I/O HCR Black HC Plus-35080 Carbon Black 12 1.03 Black 7 Above 400° I/O LSR HC Plus-35180 Carbon Black 30 1.14 Black 7 Above 400° I/O HCR Copyright © 2024, Avient Corporation.

Specific Gravity Color Index Heat Stability (F) Light- fastness Carrier White HC Plus-35000 Titanium Dioxide 60 1.78 White 6 Above 400° I/O LSR HC Plus-35100 Titanium Dioxide 75 2.31 White 6 Above 400° I/O HCR Yellow HC Plus-35011 Benzimidazolone Yellow 10 1.01 Yellow 180 350°–400° I/O (MASS) LSR HC Plus-35111 Benzimidazolone Yellow 24 1.49 Yellow 180 350°–400° I/O (MASS) HCR Orange HC Plus-35020 Monoazo Orange 10 1.02 Orange 64 350°–400° I/O LSR HC Plus-35120 Monoazo Orange 25 1.19 Orange 64 350°–400° I/O HCR Red HC Plus-35032 Red Iron Oxide VYS 50 1.60 Red 101 Above 400° I/O LSR HC Plus-35132 Red Iron Oxide VYS 70 2.17 Red 101 Above 400° I/O HCR HC Plus-35031 Special Azoic 15 1.03 Red 187 350°–400° I/O LSR HC Plus-35131 Special Azoic 33 1.33 Red 187 350°–400° I/O HCR Blue HC Plus-35040 3 Phthalocyanine Blue GS 25 1.07 Blue 15 Above 400° I/O LSR HC Plus-35140 3 Phthalocyanine Blue GS 40 1.42 Blue 15 Above 400° I/O HCR HC Plus-35041 Ultramarine Blue 45 1.32 Blue 29 Above 400° I/O LSR HC Plus-35141 Ultramarine Blue 60 1.51 Blue 29 Above 400° I/O HCR Green HC Plus-35050 Phthalocyanine Green 25 1.13 Green 7 Above 400° I/O LSR HC Plus-35150 Phthalocyanine Green 40 1.71 Green 7 Above 400° I/O HCR Violet HC Plus-35033 Quinacridone Red 20 1.04 Violet 19 Above 400° I/O LSR HC Plus-35130 Quinacridone Red 40 1.40 Violet 19 Above 400° I/O HCR Brown HC Plus-35070 Yellow Inorganic - Cr/Sb/Ti Oxide 30 1.26 Brown 24 Above 400° I/O LSR HC Plus-35170 Yellow Inorganic - Cr/Sb/Ti Oxide 60 1.79 Brown 24 Above 400° I/O HCR Black HC Plus-35080 Carbon Black 12 1.03 Black 7 Above 400° I/O LSR HC Plus-35180 Carbon Black 30 1.14 Black 7 Above 400° I/O HCR Copyright © 2024, Avient Corporation.

369ULBFF EPIC PANTONE(R) 369 U HO SIM Geon(TM) V1607-70 TOP COAT BELTING - WHITE STAN-TONE DB-15597 HI LITE BLUE

BLUE TINT PB40 BLUE VN-3877 XMAXXAM FR H 12 T/20 V2 BLACK T 70

BUCKET - FROST BLUE USP Cyan Blue 313 Additive UV BLUE 3005C PP

T I G H T B U F F E R I N G E L - F I L L E D L O O S E T U B E F O R A E R I A L C A B L E S GLOBAL CABLE MANUFACTURER • Operating temperature from -40°C to 70°C • High gel resistance • Low shrinkage • Stripability for easy installation • Good flame retardancy • Developed a formulation with good thermal behaviour and low shrinkage • Enabled a greater range of operating temperatures giving the customer the flexibility of using the same cable design in a range of different climates • Provided superior gel resistance increasing life time of the cable • Utilized simulation service to optimize customer tooling and extrusion output ECCOH™ 5806 Formulation KEY REQUIREMENTS WHY AVIENT?

AVIENT: WHO WE ARE 38 21 9 34 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 8,700+ employees 100+ manufacturing plants Key Financial Data 2022E Sales $5.1 billion 2022E EBITDA $635 million 2022E EPS $3.50 >70% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 3 W H O W E A R E – V I S I O N , S T R AT E G Y, C U LT U R E 4 Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 43 Capex / Revenue 2022E (%) AV I E N T I S A S S E T L I G H T Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 2 3 4 3 3 5 5 7 7 8 11 A vi en t A vi en t P F F U L K W R P P G R P M A V Y F M C H U N H X L E C L E M N C E A S H S C L Source: Peer data per Bloomberg market data as of 2022年4月21日. 来源：Peer data per Bloomberg market data as of 2022年4月21日 86 82 86 86 84 78 77 89 86 81 80 76 76 76 67 67 11 (12) A vi en t A vi en t P F F U L K W R P P G R P M A V Y F M C U N V R B N R H U N H X L E C L C E A S H E M N S C L A LB 12% 18% 16% 15% 15% 14% 14% 28% 28% 26% 25% 22% 21% 19% 16% 12% 9% 9% A vi en t T od ay A vi en t P F A V Y P P G K W R FU L R P M C E A LB FM C A S H E C L E M N H X L H U N S C L B N R U N V R Median: 21%Median: 15% 2 0 2 2 E B I T DA M A RG I N S V S .