Product Name Material/ Product Code Type Initiation Temp, C Optimum Gas Yield Temp, C Gas Yield Range, cc/g Uses/ Applications Usage Resins POWDER Hydrocerol BIH PEAUFF Endo 140 160 140–150 • Weight reduction • Sink mark removal • Warpage reduction EVA, polyethylene, PE copolymers, TPEs/TPOs, PVC Hydrocerol Compound EMASAD Endo 140 200 135–145 • Weight reduction • Sink mark removal • Warpage reduction Polyethylene, polypropylene, TPEs/TPOs, styrenes, acrylics, TPUs, POM, PVC Hydrocerol HK EMA0766025 Endo 200 210 135–145 • Weight reduction • Sink mark removal • Warpage reduction Polypropylene, styrenes, acrylics, polyamides Hydrocerol 1480 EMA0766027 Endo-Exo 140 180 240–259 • Weight reduction • Sink mark removal • Warpage reduction EVA, polyethylenes, PE copolymers, TPEs/TPOs, styrenes, acrylics, PVC Product Name Material/ Product Code Type Initiation Temp, C Optimum Gas Yield Temp, C Gas Yield Range, cc/g Uses/ Applications Usage Resins MASTERBATCH Hydrocerol 862 PLASAD Endo 140 160 10–20 • Sink mark removal • Warpage reduction EVA, polyethylene, PE compolymers, TPOs/TPEs Hydrocerol BIH-40-E PLASAF Endo 140 160 55–65 • Weight reduction • Sink mark removal • Warpage reduction EVA, polyethylene, PE compolymers, TPOs/TPEs Hydrocerol 1004 PEAUFQ Endo 140 160 80–90 • Weight reduction EVA, polyethylene, PE compolymers, TPOs/TPEs Hydrocerol CF-5-E PEASCF Endo 140 200 5–10 • Sink mark removal • Warpage reduction Polyethylene, polypropylene, TPEs/TPOs, styrenes, acrylics, TPUs, POM Hydrocerol 1602 PRASAD Endo 140 200 50–60 • Weight reduction • Sink mark removal • Warpage reduction Polyethylene, polypropylene, TPEs/TPOs, styrenes, acrylics, TPUs, POM Hydrocerol PEA0820021 PEA0820021 Endo 140 200 25–35 • Weight reduction • Sink mark removal • Warpage reduction Styrenes Hydrocerol PEA08200095 PEA0820095 Endo-Exo 140 180 100–120 • Weight reduction • Sink mark removal • Warpage reduction PVC Hydrocerol ITP-820 PRAN698588 Endo 200 210 5–10 • Sink mark removal • Warpage reduction EVA, polyethylene, PE copolymers, TPEs/TPOs, PVC Hydrocerol HK-40-E PLASAH Endo 200 210 55–65 • Weight reduction • Sink mark removal • Warpage reduction Polyethylene, polypropylene, TPEs/TPOs, styrenes, acrylics, TPUs, POM, PVC Hydrocerol CT-3205-B OMA0698633 Endo 200 210 50–60 • Weight reduction • Sink mark removal • Warpage reduction PLA Hydrocerol 1135 PEAN698616 Exo 170 190 20–30 • Sink mark removal • Warpage reduction Polyethylene, polypropylene, TPEs/TPOs, styrenes, acrylics, TPUs, POM Hydrocerol 8418M PHA0698418 Exo 170 190 50–60 • Weight reduction • Sink mark removal • Warpage reduction Polyethylene, polypropylene, TPEs/TPOs, styrenes, acrylics, TPUs, POM Product Name Material/ Product Code Type Initiation Temp, C Optimum Gas Yield Temp, C Gas Yield Range, cc/g Uses/ Applications Usage Resins MASTERBATCH Hydrocerol 141 PEASCH Exo 200 210 10–20 • Sink mark removal • Warpage reduction Polypropylene, styrenes, acrylics, polyamides Hydrocerol 1191 PRAN698433 Exo 200 210 55–65 • Weight reduction • Sink mark removal • Warpage reduction Polypropylene, styrenes, acrylics, polyamides Hydrocerol NBA0820012 NBA0820012 Exo 240 260 25–35 • Weight reduction • Sink mark removal • Warpage reduction Polyesters, high-temperature resins Hydrocerol XH-901 SAASCC Exo 240 260 30–40 • Weight reduction • Sink mark removal • Warpage reduction Polycarbonate blends, polycarbonate, high-temperature resins Hydrocerol 1376-4 PRAN698541 Endo-Exo 200 210 90–100 • Weight reduction • Sink mark removal • Warpage reduction Polypropylene, styrenes, acrylics, polyamides, PVC LIQUID Excelite FA-37 CC10212522 Endo-Exo 120 140 65–75 • Weight reduction/ WPC Polyethylene Excelite PF-1 CC01053625 Endo-Exo 120 140 55–65 • Weight reduction Vinyl Excelite FA-185 CC10303252 Endo 140 200 75–85 • Weight reduction • Direct gas assist Polyolefin Excelite Foam PPRO CC10250288 Endo 160 200 50–60 • Weight reduction • Warpage reduction Polypropylene Excelite FA-77 CC10232527 Endo-Exo 120 140 85–95 • Weight reduction/ WPC Polyethylene Excelite FA-108 CC10290626 Endo 180 200 55–65 • Weight reduction • Sink mark removal Polyolefin Excelite FA-112 CC10313065 Endo 140 200 50-60 • Weight reduction • Sink mark removal Polyolefin 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

POLYMER PRODUCT NAME PROPERTY PERFORMANCE TYPE DOSAGE/ LDR MATERIAL CODE ABS FRABS92991 UL 94 Halogen 35% CC10292991WE ABS FRABS52399 UL 94 Halogen 5–14% CC10252399WE HDPE Cesa Flam MB 5101AH UL 94 Halogen 7–16% PEAN698479 Nylon Cesa Flam MB 5728H UL 94 Halogen 8–14% ABA0698450 Nylon Cesa Flam MB 5731NH UL 94 Non-halogen 8–20% ABAN698410 PC Cesa Flam NCA0820018NH UL 94 Non-halogen 2–4% NCA0820018 PC NCAN-Z0N-FN FLMRET 698419 UL 94 Non-halogen 3–8% NCAN698419 PE FRPE94802 ASTM E84 Non-halogen 100% CC103094802F PE FRPE41011 UL 94 Halogen 20–30% CC1034101160 PET Cesa Flam MB 5525NH UL 1441, UL 94 Non-halogen 6–8% NEAN698534 PET FRPET65462 UL 94 Non-halogen 5–12% CC103265462F PET/PBT Cesa Flam MB 5532NH NFPA 701 Non-halogen 4–6% NBAN698451 PP Cesa Flam MB 5201H UL 94 Halogen 6–30% PPAN698410 PP Cesa Flam MB CT-1629NH Cal TB 133, UL 94 Film, NFPA 701 Non-halogen 6–8% PPAN698428 PP FRPP365370 UL 94 Non-halogen 10–20% CC103653702F PP Copolymer FRPP37654 UL 94 5VA Halogen 100% CC10337654WE PP Copolymer FRPP53484 UL 94 Halogen 10% CC1035348460 PS FRPS62722 ASTM E84 Halogen 2–4% CC10262722WE PS/HIPS Cesa Flam SLA0820014H UL 94 Halogen 4–8% SLA0820014H TPU Cesa Flam 98461NH UL 94 Non-halogen 6–14% RUA0698461 CESA™ MAX FLAME RETARDANT ADDITIVES HDPE Cesa MAX UL 94 Non-halogen 20–30% CC10277471 PE/PP Cesa MAX UL 94 Non-halogen 5–35% CC10407512WE

Avient’s sustainability efforts have been acknowledged by 3rd party sustainability recognitions such as Newsweek’s America’s Most Responsible Companies, Barron’s 100 Most Sustainable Companies, and USA Today’s Climate Leader awards.

Avient’s sustainability efforts have been acknowledged by third party sustainability recognitions such as Newsweek’s America’s Most Responsible Companies, Barron’s 100 Most Sustainable Companies, and USA Today’s Climate Leader awards.

EUROPEAN CABLE MANUFACTURER G E L - F I L L E D C E N T R A L L O O S E T U B E C A B L E S • Fire performance: CPR classification Cca-s1, d0, a1 • Resistance to chemicals and filling compounds • Rigidity close to PBT • Melting point higher than 100°C • Developed a custom formulation to reach required rigidity • Eliminated hydrolysis experienced with previous PBT material • Provided expertise in process improvement to help the customer achieve a more competitive processing speed ECCOH™ PF 4142 Formulation KEY REQUIREMENTS WHY AVIENT?

Avient’s sustainability efforts have been acknowledged by third party sustainability recognitions such as Newsweek’s America’s Most Responsible Companies, Barron’s 100 Most Sustainable Companies, and USA Today’s Climate Leader awards.

Outdoor High Performance) 8 18% 3 Growth in Asia / LATAM 6 3% 2 Other 100 19% 5 Sub-total $1,327 14% $146 Outdoor High Performance Impact (5) (3) Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 5 Incentives, Other Employee Costs 8 FX (28) (5) Q1 2022 $1,294 11% $136 Q1 2022 SALES AND OPERATING INCOME (TOTAL COMPANY) 6 Sales Growth Rate Adjusted Operating Income$ millions Adjusted EBITDA Q1 EBITDA BRIDGE 7 Price increases more than offset raw material and supply chain impacts Q1 2021 $ 161 Demand (23) $ millions CAI: Price / Mix 77 Inflation (54) SEM: Price / Mix 41 Inflation (26) Distribution: Price / Mix 84 Inflation (82) Net Price Benefit 40 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 5 Incentives, Other Employee Costs 8 FX (5) Q1 2022 $ 171    China Lockdowns / Russia Impact $ (7) Transportation (7) Outdoor High Performance (3) Q1 EPS BRIDGE 8 Q1 2021 - Adjusted EPS 0.89$ CAI 0.08 Specialty Engineered Materials 0.06 Distribution 0.00 Corporate Costs 0.02 F/X (0.04) Segment OI 0.12 Tax Rate (0.02) Q1 2022 - Adjusted EPS 0.99$ 10 15x stronger than steel Reduces weight by 30% vs. other solutions Well-maintained global asset base poised to serve growing demand • Purchase price of $1.48B represents 11.4x multiple of 2022 EBITDA • Acquisition will expand Avient’s composites and fiber portfolio with Dyneema®, the World’s Strongest Fiber™ • $415M sales and 30%+ EBITDA margins; Immediately accretive to pro forma 2022 EPS, adding $0.35 • 1,300 patents globally, ~50% of sales patent protected • 1,000+ employees across global production network and dedicated technology centers • Composites platform will increase from $261M to $680M in revenue and from $49M to $180M in EBITDA Indicates Dyneema® location $175M (42%) $65M (16%) $175M (42%) 2022E Sales By Region ($M) (1) $0.35 EPS excludes intangible amortization (2) Based on 2022 expected results (1) (2) (2) FIT WITH FOUR PILLAR STRATEGY 11 Specialization • Innovation-led organization with tremendous intellectual property value in trademarks, patents and “know-how” • Deep history of application development and premium, leading brand with the World’s Strongest FiberTM Globalization • Global customer base with an established presence across all major geographic regions • Global technology centers complement existing Composites applications and expertise Operational Excellence • Best-in-class safety performance • Well-run and maintained asset base fit to serve future growth • Highly effective and reliable supply chain with emphasis on optimizing service to customers Commercial Excellence • Deep customer relationships extend across the value chain and drive ability to grow • Offer a full suite of services with an active role in design, development and commercialization People Experienced and talented associates with a passion for safety, specialization and winning DYNEEMA® OVERVIEW K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders Body Armor • Helmets • Vehicle Protection $215M MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes $130M CONSUMER Consumer • Outdoor High Performance • Safety Equipment $70M 12 Figures reflect 2022 expected sales MIFOverview Competition Valuechain & Go-to-market Strategy Innovation Financials TECHNOLOGY 13 1,200 1,300 2,500 Avient Dyneema Combined Patents • True specialty business – the World’s Strongest Fiber™ • Deep history of application development with customers, strongest in the industry • The only UHMwPE (ultra-high molecular weight polyethylene) fiber producer that is backward integrated o Provides innovation advantage through control of all steps of the process • Complementary with our existing reinforced film expertise (PolyStrand) and engineered fiber presences (Fiber-Line) WINNING PROPERTIES Ultra high strength vs. weight Highly flexible Floats on water Chemically inert; no smell/taste and non-toxic High resistance to UV radiation Self-lubricating, with low friction One-of-a-kind technology ® FORMULATION PROCESS 14 • Like Avient, Dyneema® offers similar core competencies around formulation and material science • Technology that combines polymers and fibers to provide specialized, high performing solutions for customers • Design capabilities ensure that applications are highly customized for the specified end use DYNEEMA® IN THE VALUE CHAIN 15 UHMwPE Fiber / Tapes Military Personnel, Law Enforcement Heavy Marine, Offshore Wind Energy and Mooring, Aquaculture Outdoor, Footwear, Apparel, Inflatables • Material Science • Formulation • Service INTERMEDIATE MANUFACTURING (CUSTOMERS) OEM / APPLICATION DEMAND TRENDS 16 • Military spending and near-term demand for higher performing personal protection products (like Dyneema®) expected to increase o European NATO members annual defense spend expected to increase by up to 20%(1) o Accelerated launch of next generation technology in North America • Policy-driven demand for sustainable energy; growth in floating offshore wind farms which require advanced, durable technology o Offshore wind expected to grow at a CAGR of 32% with the level of annual installations quadrupling over the next five years(2) • Continued investment in aquaculture as a sustainable food source(3) • Strong demand in outdoor high performance space across niche consumer applications aligns with 10% growth assumption for Avient’s Composites portfolio Sources: (1) “Funding NATO”, NATO.int (April 1, 2022) (2) “Global Wind Report 2021”, Global Wind Energy Council (3) “Aquaculture Supports a Sustainable Earth”, NOAA Fisheries 17 A L I G N M E N T W I T H S U S T A I N A B I L I T Y G O A L S PRODUCTS AVIENT’S EXISTING COMPOSITES PORTFOLIO D I V E R S E C A P A B I L I T I E S A N D S O L U T I O N S S E R V I N G M A N U F A C T U R E R S A N D O E M S LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 18 AVIENT’S COMPOSITES PORTFOLIO SALES AND EBITDA 19 $74 $84 $216 $212 $261 $5 $10 $32 $41 $49 $180 0 50 100 150 200 $- $50 $100 $150 $200 $250 $300 $350 $400 $450 $500 $550 $600 $650 $700 $750 2017 2018 2019 2020 2021 2022E $680 ($ in millions) • Dyneema® acquisition will further improve Composites EBITDA margins to 26% • Dyneema® will complement our existing portfolio with deep formulation expertise, innovative culture and global commercial presence • Composites will continue to be a key growth driver to deliver future revenue growth in excess of GDP (1) Pro forma for the acquisition of Dyneema® (1) DISTRIBUTION DIVESTITURE CONSIDERATIONS DISTRIBUTION HIGHLIGHTS 21 $21 $57 $69 $94 $105 0 50 100 150 2006 2011 2016 2021 2022E • Leading North American Distribution business with longstanding blue-chip supplier and customer relationships • Commercial excellence and regulatory knowledge have grown healthcare portfolio to over 25% of sales and positioned business for long-term growth • Highly specialized portfolio of engineered polymers along with sustainable solution offerings • Leading digital capabilities through Avient Now, allowing enhanced visibility and 24/7 interface with customers • 98% free cash flow conversion drives greater than 30% after-tax return on invested capital (ROIC) • Potential divestiture allows us to remain modestly leveraged with net debt to adjusted EBITDA expected to be 2.9x and positions us for further specialty growth in the future EBITDA (in $M) DYNEEMA® TRANSACTION OVERVIEW 22 - $1.48B net purchase price - Represents 11.4x expected 2022 EBITDA - Committed financing in place - Permanent financing to be combination of available cash on-hand, new Senior Unsecured Notes, new Senior Secured Term Loan - Potential proceeds from Distribution divestment could be used to pay down near-term maturing debt - Closing expected in second half of 2022, subject to regulatory approvals and certain customary closing conditions Transaction Value Financing Closing Conditions / Timing CAPITAL STRUCTURE / LEVERAGE 23 • Financing commitments secured from Morgan Stanley and J.P. Purchase price multiple rapidly declining on strength of business and synergy capture (1) (1) (1) Financial information is pro forma to include a full year of Clariant Color acquisition ($ in millions) 11.9% 16.2% 2019PF 2021 EBITDA Margins (1) SPECIALTY TRANSFORMATION 7% 46% 66% 86% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2021 2022 PF % o f A dj us te d EB IT D A(1 ) JVs Distribution Performance Products & Solutions Specialty (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and potential divestiture of Distribution (2) 29 12% 18% 16% 15% 15% 14% 14% 28% 28% 26% 25% 22% 21% 19% 16% 12% 9% 9% Av ie nt T od ay Av ie nt P F AV Y PP G KW R FU L R PM C E AL B FM C AS H EC L EM N H XL H U N SC L BN R U N VR Median: 21%Median: 15% 2022 EBITDA MARGINS VS.

Patterson 12:00-1:00 PM Lunch PolyOne Corporation Page 7 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • 18 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Targeting $2.50 adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 8 Specialty 54% PP&S 18% Distribution 28% 2013 Revenues: $3.8 Billion 2013 Revenues: $3.8 Billion United States 67% Europe 14% Canada 7% Asia 6% Latin America 6% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 End Markets Specialty Operating Income PolyOne At a Glance Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance 6% Electronics & Electrical 5% PolyOne Corporation Page 9 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 64% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 Q1 2014 2015 % o f O p e ra ti n g I n c o m e * JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $60M Target Mix Shift Highlights Specialty Transformation 2015 Target PolyOne Corporation Page 10 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 11 -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% 450.00% 550.00% PolyOne S&P 500 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs. S&P 500 All time high of $39.55 May 13th, 2014 PolyOne Corporation Page 12 2006 Q1 2014 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 13.8% 12 – 16% Global Specialty Engineered Materials 1.1% 11.6% 12 – 16% Designed Structures & Solutions -- 6.5% 8 – 10% Performance Products & Solutions 5.5% 7.7% 9 – 12% Distribution 2.6% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 64% 65 – 75% 3) ROIC* 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 42% 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 PolyOne Corporation Page 13 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue CAGR PolyOne Corporation Page 14 Financial Highlights Bradley C. Richardson Executive Vice President, Chief Financial Officer PolyOne Corporation Page 15 Track Record of Accelerated Growth Total Revenue Adjusted EPS Adjusted EBITDA $2,061 $2,506 $2,709 $2,861 $3,771 2009 2010 2011 2012 2013 ($ in millions, except EPS ) $105 $179 $202 $255 $344 2009 2010 2011 2012 2013 $0.13 $0.68 $0.82 $1.00 $1.31 2009 2010 2011 2012 2013 PolyOne Corporation Page 16 $0.31 $0.44 $0.20 $0.30 $0.40 Q1 2013 Q1 2014 Adjusted EPS $42 $60 $20 $40 $60 Q1 2013 Q1 2014 Specialty Operating Income ($ millions) Q1 2014 Financial Highlights  Growth momentum accelerates driven by specialty platform  Specialty segments and Distribution achieve record results  All segments increase operating income compared to prior year  Revenue grew 25% versus Q1 2013 +43% +42% $57 $79 $30 $60 $90 Q1 2013 Q1 2014 Adjusted Operating Income ($ millions) +39% PolyOne Corporation Page 17 Commitment to Operational Excellence 81% 96% 2006 2013 16.2% 10.9% 2006 2013 On-Time Delivery Working Capital % of Sales 5.0% 31.0% 2006 2013 Percent of Associates Trained in LSS  Three consecutive years – CFO Magazine Best Working Capital Management Program in the chemical industry World’s Best Business Process Excellence Program in 2012*  95 certified Black Belts  211 certified Green Belts  422 Project Leaders World’s Best “Start-up Program” for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 18 Debt Maturities & Pension Funding – 3/31/14 Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% *TTM 12/31/2013 ** includes US-qualified pension plans only 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of March 31, 2014 PolyOne Corporation Page 19 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend Expanding our sales, marketing, and technical capabilities Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin Synergy opportunities Adjacent material solutions Repurchased 1.4 million shares in Q1 2014 Repurchased 6.4 million shares since April 2013  13.6 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture) Manufacturing alignment PolyOne Corporation Page 20 3.07 3.05 1.81 1.45 1.82 1.54 0.85 3.15 1.17 1.69 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 0.91 PolyOne Valuation Aspirations PEG Ratio Comparison Represents $38 of share price upside Avg = 1.96 PolyOne Corporation Page 21 Innovating for the Future Dr.

With over 100 Avient production and distribution facilities, all operating with the rigor of Lean Six Sigma principles and excellence, we are proud to serve our valued customers wherever they need us. Q 4 AN D FU LL Y EA R 2020 PE RF O RM AN CE $0.30 $0.52 2019 PF 2020 Q4 2020 ORGANIC PERFORMANCE 9 Sales $922 $997 2019 PF 2020 +8% Adjusted Operating Income Adjusted EPS $58 $80 2019 PF 2020 +38% +73% • Record 4th quarter sales, adjusted operating income and adjusted EPS performance • All segments delivered year-over-year sales and operating income growth, led by consumer and healthcare end markets • Clariant Masterbatch integration synergy capture ahead of schedule: $5 million realized in 2020 ($ in millions except EPS) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Q4 2020 SEGMENT PERFORMANCE 10 Sales Operating Income $100 $100 $100 $922 $100 $100 $100 $997 Distribution CAI SEM Total 2019 2020 $178 $272 $490 $191 $305 $526 SEM Distribution CAI 2019PF 2020 +8% +7% +7% +12% $5 $5 $5 $58 $5 $5 $5 $80 Avient CAI SEM Total 2019 PF 2020 $17 $19 $40 $18 $30 $58 Distribution SEM CAI 2019PF 2020 +38% +45% +58% +6% (3) (3) ($ in millions) (1) (2) (1) Total company sales include intercompany sales eliminations (2) Total company reflects adjusted operating income and includes corporate costs (3) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 2020 HIGHLIGHTS 11 • Completed transformational Clariant Masterbatch acquisition and created new brand name Avient • Increased pro forma adjusted EPS 11% from $1.74 to $1.93 as an essential supplier during the pandemic and due to growth in demand for consumer applications • Specialty Engineered Materials delivered record operating income on gains from composites • Achieved record free cash flow, increased dividend for 10th year in a row and delevered from 3.5x to 2.7x net debt to pro forma adjusted EBITDA • Culture is everything: Certified as a Great Place to Work® $133 $150 2019PF 2020PF 10% 23%8% 21% 4% 15% 2006 2020PF Healthcare Consumer Packaging Avient Portfolio Transformation 22% 59% CLARIANT MASTERBATCH: TRANSFORMATIONAL ACQUISITION 12 Clariant MB EBITDA Growth Purchase Price Multiple 10.8 9.6 6.5 2019PF 2020PF 2020PF w/ Full Synergies x x x • Acquisition of Clariant Masterbatch significantly expands presence in healthcare, packaging and consumer end markets • Strength of portfolio – 13% EBITDA growth as an essential supplier in COVID response and recovery • Acquisition completed on July 1, 2020 for $1.4 billion.

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 WHO WE ARE – VISION, STRATEGY, CULTURE 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. Outdoor High Performance) 8 18% 3 Growth in Asia / LATAM 6 3% 2 Other 100 19% 5 Sub-total $1,327 14% $146 Outdoor High Performance Impact (5) (3) Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 5 Incentives, Other Employee Costs 8 FX (28) (5) Q1 2022 $1,294 11% $136 Q1 2022 SALES AND OPERATING INCOME (TOTAL COMPANY) 11 Sales Growth Rate Adjusted Operating Income$ millions Adjusted EBITDA Q1 EBITDA BRIDGE 12 Price increases more than offset raw material and supply chain impacts Q1 2021 $ 161 Demand (23) $ millions CAI: Price / Mix 77 Inflation (54) SEM: Price / Mix 41 Inflation (26) Distribution: Price / Mix 84 Inflation (82) Net Price Benefit 40 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 5 Incentives, Other Employee Costs 8 FX (5) Q1 2022 $ 171    China Lockdowns / Russia Impact $ (7) Transportation (7) Outdoor High Performance (3) Q1 EPS BRIDGE 13 Q1 2021 - Adjusted EPS 0.89$ CAI 0.08 Specialty Engineered Materials 0.06 Distribution 0.00 Corporate Costs 0.02 F/X (0.04) Segment OI 0.12 Tax Rate (0.02) Q1 2022 - Adjusted EPS 0.99$ 2022 O U T LO O K REVENUE GROWTH DRIVERS Growth Drivers Long-Term Growth Rate 2022E Growth Rate Sustainable Solutions 8–12% 12% Healthcare 8–10% 10% Composites 10% 5% Asia / LATAM 5% 5% Other (GDP growth) 2–3% 2–3% Avient 6.5% 6% 15 Excluding Outdoor High Performance 20% (8% excl. Purchase price multiple rapidly declining on strength of business and synergy capture (1) (1) (1) Financial information is pro forma to include a full year of Clariant Color acquisition ($ in millions) 11.9% 16.2% 2019PF 2021 EBITDA Margins (1) SPECIALTY TRANSFORMATION 7% 46% 66% 86% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2021 2022 PF % o f A dj us te d EB IT D A(1 ) JVs Distribution Performance Products & Solutions Specialty (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and potential divestiture of Distribution (2) 38 CULTURE AND PEOPLE 39 OUR SPECIALTY JOURNEY CONTINUES 40 • Dyneema® brings leading technology and brand with the World’s Strongest Fiber™, deep history of application development and strong management team focused on specialty applications • Dyneema® transaction is aligned with our previously stated acquisition goal of expanding our composites and fiber capabilities • Similar to our other technology expansion acquisitions, Dyneema® allows us to leverage our invest-to-grow strategy • We plan to explore a possible sale of our Distribution business.