Purchase price multiple rapidly declining on strength of business and synergy capture 12 $133 $201 2019PF 2022E 12 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.4x 2019PF 2021 2022E w/ Full Synergies (1) (1) 11.9% 16.3% 2019PF 2022E EBITDA Margins (1) CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION ($ in millions) (1) Financial information is pro forma to include a full year of Clariant Color business SUNBELT PVC Resins DSS 20 Acquisitions $4.8B Investment $2.7B of Annual Revenue 5 Divestments $2.3B Proceeds TPE PP&S HISTORIC SPECIALIZATION THROUGH M&A 13 Distribution DSM Protective Materials BOLT-ON ACQUISITION HISTORY 14 Commercial Resources Operating Income ($ in millions) Operating Margins 259 363 At Acquisition 2022E $40 $139 At Acquisition 2022E 9% 22% At Acquisition 2022E Established Acquisitions (> 7 years) + 40% + 248% + 1300 bps I N V E S T T O G R O W SPECIALTY TRANSFORMATION T O D A Y 7% 46% 67% 86% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2019 2021 2022 PF % o f A d ju st ed E B IT D A • Commodity JVs • Distribution • Performance Products & Solutions • Specialty Businesses (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and divestiture of Distribution (1 ) (2) 15 Healthcare 4% Packaging 8% Consumer 10% Building & Construction 43% Industrial 15% Transportation 14% Energy 4% Telecom. 2% 2006 2022 Pro Forma Healthcare 8% Packaging 23% Consumer 21% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% Defense 6% END MARKET FOCUS ON LESS CYCLICAL INDUSTRIES 16 14.8% 17.6% 21.0% 2018 2020 2022 PF 1.8% 2006 15.3% 16.2% 17.0% 2018PF 2020PF 2022E CAI 2.7% 2006 SEM SPECIALTY EBITDA MARGIN EXPANSION 17 • Portfolio transformation accelerates growth in less cyclical, higher margin end markets • Investments in our composites platform continue to drive margin expansion (1) (1) (1) 2018 and 2020 financial information is pro forma to include a full year of Clariant Color acquisition PORTFOLIO EVOLUTION OVER THE YEARS 18 Adj. OPS) 21 Sales Adjusted EBITDA $818 $823 2021 2022 + 1% Adjusted EPS + 8% - 3% (in millions) (in millions) (+ 9% excluding FX) (+ 18% excluding FX) (+ 5% excluding FX) Q3 EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 22 Price increases more than offset raw material and supply chain impacts $ millions CAI: 68Price / Mix (44)Inflation SEM: 41Price / Mix (26)Inflation 39Net Price Benefit (14)Wage and Energy Inflation 6Clariant Color Integration Synergies 14Incentives, Other Employee Costs (11)FX $137 Q3 2022   Adjusted EBITDA $ 142Q3 2021 (39)Demand Q3 2022 SEGMENT PERFORMANCE 23 CAI $587 $566 Sales ($ in millions) $93 $93 EBITDA SEM Pro Forma $326 $319 Sales $70 $62 EBITDA (+ 4% excluding FX) - 4% - 2% (+ 5% excluding FX) Flat (+ 7% excluding FX) - 11% (- 7% excluding FX) $500 $585 Cont. Sales EBITDA Specialty Engineered Materials Color Additives and Inks $585M$3,635M (1) Transportation 9% Healthcare 8% 29 C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .3 B ILL ION US & Canada 35% EMEA 40% Asia 20% Latin America 5% END MARKET REGION 30 Packaging 33% Consumer 22% Healthcare 9% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 1% Figures represent 2022 full year estimates S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET US & Canada 50% EMEA 35% Asia 15% REGION 31 Figures represent 2022 full year estimates Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% Packaging 31% Consumer 28% Healthcare 8% Industrial 13% Building & Construction 5% Telecommunications 3% Energy 2% Defense 1% Asia (20% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET Packaging 29% Consumer 13% Healthcare 5% Industrial 17% Building & Construction 11% Energy 5% Defense 7% EMEA (35% of sales) Transportation 10% Packaging 14% Consumer 23% Healthcare 11% Industrial 15% Building & Construction 12% Energy 5% Defense 7% US & Canada (40% of sales) Transportation 7% Packaging 49% Consumer 22% Healthcare 8% Industrial 9% Building & Construction 6% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3%Telecommunications 6% Figures represent 2022 full year estimates32

Upon receipt of a notice of an alleged claim, Seller may suspend all further deliveries. 4. Seller may terminate this contract at its sole option upon 14 calendar days’ written notice to Buyer. 24. Terms and Conditions (July 1, 2023)

Upon receipt of a notice of an alleged claim, Seller may suspend all further deliveries. 4. Seller may terminate this contract at its sole option upon 14 calendar days’ written notice to Buyer. 25. Terms and Conditions (April 1, 2024)

This limitation of liability shall not apply to statutory product liability or damages caused by intent or gross negligence. 4. Seller may terminate this contract at its sole option upon 14 calendar days’ written notice to Buyer. 24. Terms and Conditions (April 1, 2024)

Upon receipt of a notice of an alleged claim, Seller may suspend all further deliveries. 4. Seller may terminate this contract at its sole option upon 14 calendar days’ written notice to Buyer. 24. Terms and Conditions (April 1, 2024)

Upon receipt of a notice of an alleged claim, Seller may suspend all further deliveries. 4. Seller may terminate (opzeggen) the contract at its sole option upon 14 calendar days’ written notice to Buyer. 24. Terms and Conditions (July 1, 2023)

Remi de 10.Shenzhen, China 10.Vonore, Tennessee Facilities) Oregon (4) Napierville, Jurong, Singapore (3) 11.Toluca, Mexico 10.Muncie, Indiana (4) Quebec, Canada 11.Diadema, Brazil 12.Assesse, Belgium 11.Newark, New 11.Dongguan, China 12.Joinville, Brazil 13.Cergy, France Jersey (4) 12.Lake Charles, 13.Birmingham, 14.Tossiat, France 12.Paulding, Ohio (4) Louisiana (4) Alabama 15.Bendorf, Germany 13.Pleasant Hill, 13.Lockport, New 14.Donchery, France (4) 16.Gyor, Hungary Iowa (4) York (4) (14 Manufacturing 17.Kutno, Poland 14 & 15. Portage, 14.Donora, Plants) 18.Pune, India Wisconsin (4) (6) Pennsylvania (4) 19.Pamplona, Spain 16.Ripon, Wisconsin (4) Cape Girardeau, 20.Bangkok, Thailand 17.Salisbury, Missouri (1) (4) 21.Pudong (Shanghai), Maryland (4) 15.Ramos Arizpe, China 18.Sheboygan Falls, Mexico (4) 22.Jeddah, Wisconsin (4) (15 Manufacturing Saudi Arabia (5) 19.Stamford, Plants) Shenzhen, China (1) Connecticut (4) 23.Tianjin, China 20.Warsaw, Indiana (4) 24.Novo Hamburgo, 21.Wichita, Kansas (4) Brazil 22.Grandby, Canada (4) 25.Berea, Ohio Ramos Arizpe, 26.Richland Hills, Texas Mexico (4) 27.Bethel, Connecticut (22 Manufacturing 28.Barberton, Ohio Plants) 29.Knowsley, United Kingdom 30.Eindhoven, Netherlands 31.Suzhou, China 32.Shanghai, China 33.Itupeva, Brazil 34.Odkarby, Finland Manitowoc, Wisconsin (1) (4) (34 Manufacturing Plants) (1) Facility is not included in manufacturing plants total as it is also included as part of another segment. (2) There are two manufacturing plants located at Suzhou, China. (3) Facility is not included in manufacturing plants total as it is a design center/lab. (4) Facility added in connection with the acquisition of Spartech on March 13, 2013. (5) Facility added in connection with the JE.A. All other investments are Level 1 and are valued based on quoted market prices.

We can help tackle your toughest challenges with our • In-depth industry knowledge • Expansive material solutions • Far-reaching technical capabilities and services Avient Corporation 4 1 Injection window Integrated rigid needle shield 2 Cap 3 1. Requirements: USP Class VI skin contact colorant for drug differentiation Solution: OnColor™ HC, MEVOPUR® 4 Button 5 Batch or SKU identifier Safety and trigger cap 6 DRUG CONCENTRATION 1 DRUG CONCENTRATION 2 DRUG CONCENTRATION 3 Patient Handling Age or certain disease states can severely limit patient dexterity making the self-administration of medication difficult and frustrating. Requirements: Heat transfer Solution: Trilliant™ Therma-Tech™ Thermally Conductive Formulations 14.

Richardson Executive Vice President and Chief Financial Officer PolyOne Corporation 4 PolyOne Corporation 5  Landmark portfolio transformation: > 85% of Adjusted EBITDA from specialty solutions  World-class innovation, technology and service are differentiators  Sustainability initiatives and alignment with megatrends drive above market growth in key end markets and applications:  Capital management is a strength - proven track record of expanding ROIC while increasing invested capital Transaction expected to add $0.85 to pro forma adjusted EPS 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 Integrity V I S I O N PolyOne Corporation 6 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 Respect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of sustainable, specialty polymer materials and solutions. S A F E T Y F I R S T PolyOne Corporation 7 Injuries per 100 Workers Spartech Acquisition 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 G R E A T P L A C E T O W O R K PolyOne Corporation 8 * Pro Forma for sale of DSS Operating Income % of Sales 2006 Q3 YTD 2019 Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 11.8% Distribution 2.6% 6.3% 2009 2010 2011 2012 2013 2014 2015 2016*2017* 2018 $2.43 P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S PolyOne Corporation 9 10 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 A D J U S T E D E P S E X P A N S I O N 2018 2019E $1.65 $1.51 Pro Forma for sale of PP&S T R A N S F O R M A T I O N H E A D L I N E S PolyOne Corporation 10 C O M M O D I T Y T O S P E C I A L T Y T R A N S F O R M A T I O N PolyOne Corporation 11 • Volume driven, commodity production • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures • Shift to value-based selling & an innovative culture • New leadership team appointed • Implementation of four pillar strategy • Investment in commercial training and innovation • Faster growing, high margin focus • Accelerated growth with world class vitality index • Significant commercial resource additions • Expanded margins with specialty focus • Acquired strategic, bolt-on companies to expand technology offerings and improve geographic breadth Volume Value Transformation The Future 2006 - 2013 2013 – 20192000-2005 2006 - 2013 • Landmark portfolio transformation creates specialty growth company • Sustainability / mega- trends drive above market growth 2020 and Beyond F I T W I T H F O U R P I L L A R S T R A T E G Y PolyOne Corporation 12 Specialization • Innovation-led organization with heavy emphasis on R&D • World-class expertise in color formulation • Strong presence in specialty end markets including Consumer, Packaging and Healthcare Globalization • Diverse geographic portfolio with an established presence in every major region • Expands PolyOne’s ability to serve customers in key growth areas including India, China and Southeast Asia Operational Excellence • Extensive manufacturing footprint with 46 facilities • Organizational focus on optimizing supply chain to better serve customers • Color design expertise Commercial Excellence • Value-focused salesforce with vast experience marketing and commercializing specialty technologies • Diverse customer portfolio with established OEM’s People Experienced and talented associates with a winning mentality L E V E R A G I N G G L O B A L M E G A T R E N D S 13 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R EC O N S U M E R PolyOne Corporation E N D M A R K E T T R A N S F O R M A T I O N PolyOne Corporation 14 Building & Construction 5% 2006 2019E PF* 4% 12% 10% 18% 8% 20% 2006 2019E PF* Healthcare Consumer Packaging 50% 22% High Growth End Markets Percentage of Total Revenue 38% * 2019E Pro Forma for PP&S Divestiture and Clariant Color & Additive Masterbatch business E N D M A R K E T T R A N S F O R M A T I O N PolyOne Corporation 15 Packaging 8% Building & Construction 38% Wire & Cable 11% Industrial 10% Electrical & Electronic 7% 2006 2019E PF* Healthcare 4% Transportation 12% Consumer 18% Building & Construction 5% Wire & Cable 6% Industrial 12% Electrical & Electronic 5% Appliance 3% Textiles 6% Transportation 13% Healthcare 12% Packaging 20% Consumer 10% * 2019E Pro Forma for PP&S Divestiture and Clariant Color & Additive Masterbatch business C O M P L E M E N T A R Y G E O G R A P H I C P R E S E N C E PolyOne Corporation 16 United States 38% Europe 33% Asia 19% Canada 4% Latin America 6% United States 22% Europe 40% Asia & Middle East 31% Canada 1% Latin America 6% Color & Engineered Materials Clariant Color & Additive Masterbatch Business Net Sales by Geographic Region United States 31% Europe 36% Asia & Middle East 24% Canada 3% Latin America 6% Pro Forma Color & Engineered Materials 531 710 1,042 130 164 208 504 663 880 2014 2018 2019E PF* R&D / Technical Marketing Sales PolyOne Corporation 17 + 34% + 26% + 32% E X P A N S I O N O F COMMERCIAL RESOURCES D R I V I N G G R O W T H $2.9 $2.9 $3.5 2015 2016 2017 2018 2019E PF Total + 9% Organic + 5% Revenue in Billions Total + 10% Organic + 7%+ 47% + 27% + 33% $4.0 $3.2 2019E PF* * 2019E Pro Forma for PP&S Divestiture and Clariant Color & Additive Masterbatch business P R I O R A C Q U I S I T I O N S : P R O O F O F P E R F O R M A N C E PolyOne Corporation 18 Commercial Resources Operating Income ($ in millions) Operating Margins 243 340 At Acquisition 2018 $36 $96 At Acquisition 2018 11% 20% At Acquisition 2018 Established Acquisitions (> 7 years) + 40% + 165% + 900 bps U N I F I E D F O C U S O N S U S T A I N A B I L I T Y PolyOne Corporation 19 2006 - 2013 2013 – 2019 PEOPLE PRODUCTS PLANET PERFORMANCE PolyOne Clariant Color & Additive Masterbatch Business • Building mini-recycling plants to facilitate customer projects on design for recycling - CycleWorks • Uses packaging additives & colorants to improve recyclability and enhance automated sorting • Manufactures oxygen scavengers to extend shelf-life of perishable items and reduce material requirements • Combines UV-blocking additive colorants & other barriers to prevent spoilage and waste • Offers spin-dyeing solutions that use significantly less water than traditional methods, allowing for sustainable coloration of textiles • Produces infrared absorbing additives that reduce energy requirements for bottle manufacturing ($ in millions) PolyOne (Continuing Operations) Clariant Color & Additive Masterbatch Business Synergies New PolyOne 2019E Total Sales $2,860 $1,150 $4,010 2019E Adjusted EBITDA $310 $130 $60 $500 % Margin 10.8% 11.3% 12.5% 2019E CapEx $60 $85 % Sales 2.1% 2.1% 2019E Free Cash Flow $170 $250 2019E Adjusted EPS $1.65 $2.22 2019E PF Adjusted EPS $1.65 $2.50 P O L Y O N E + C L A R I A N T C O L O R & A D D I T I V E M A S T E R B A T C H B U S I N E S S PolyOne Corporation 20 (1) Excludes step-up of depreciation & amortization related to purchase accounting of transaction (1) $0.85/share O V E R 8 5 % O F A D J U S T E D E B I T D A F R O M S P E C I A L T Y PolyOne Corporation 21 46% 66% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2019E PF % o f A d ju s te d E B IT D A * JV's Performance Products & Solutions Distribution Specialty 7% 87% * Adjusted EBITDA is EBITDA excluding corporate costs and special items ** 2019E Pro Forma for PP&S Divestiture and Clariant Color & Additive Masterbatch business acquisition with synergies Specialty EBITDA $14M $117M $273M $500M ** PolyOne Corporation 22 T R A N S A C T I O N O V E R V I E W • Expected mid-2020, subject to regulatory approvals and customary closing conditions Closing Conditions / Timing • Committed financing in place • Permanent financing to be combination of available cash on-hand, new debt and equity component to limit leverage • Equity issuance of $400 to $500MM • Target net leverage below 3.5x, 3.1x synergized, with intention to de-lever below 3.0x within 2 years PolyOne Corporation 23 • $1.45 B net purchase price • Represents 11.1x adjusted EBITDA (excluding synergies), 7.6x adjusted EBITDA (including synergies) • Pre-tax synergies of $60MM expected to be fully realized by the end of 2023 • Synergies realized from sourcing, operational, technology / commercial, and general administrative Transaction Value Synergies Financing Estimated Synergy Breakdown $60MM • Expect EBITDA synergies of $60MM – Proven integration expertise with a decade of acquisition experience – Administrative synergies reflect reduction of duplicative internal and third-party costs • Run rate synergies of $20MM by the end of Year 1 with $60MM achieved by the end of Year 3 • Significant additional opportunity for geographical expansion – Clariant Color & Additive Masterbatch business has complementary regional presence in key growth areas including India & Southeast Asia • Opportunity to accelerate growth with a combined portfolio of innovative solutions aligned with sustainability megatrends Sourcing 40% Operational 30% Administrative 30% PolyOne Corporation 24 S I G N I F I C A N T S Y N E R G Y O P P O R T U N I T I E S C A P I T A L S T R U C T U R E / L E V E R A G E PolyOne Corporation 25 At Close Year 1 Year 2 3.2x 3.5x 3.1x 2.6x Pro Forma with Synergies 2019E PF Two year leverage goal (1) Pro Forma Capitalization is for illustrative purposes only; amounts may vary depending on various market and other factors. Sources Cash from Balance Sheet $465 New Senior Unsecured Notes 650 New Equity 450 Total Sources $1,565 Uses Clariant Masterbatch $1,500 Clariant India Masterbatch 60 Less: Lease Adjustment (113) Net Purchase Price $1,447 Net Cash Acquired 57 Fees, Expenses & OID 61 Total Uses $1,565 ($ Millions) Cash and Cash Equivalents $370 $450M Senior Secured ABL Revolver - Senior Secured Term Loan B due 2026 624 Other Debt 25 Total Senior Secured Debt $649 5.25% Senior Unsecured Notes due 2023 $600 New Senior Unsecured Notes 650 Total Senior Debt $1,899 Net Debt $1,529 New Equity $450 Pro Forma Capitalization (1) PF 12/31/2019 $450 $600 $624 $743 2019 2020 2021 2022 2023 2024 2025 2026 A T T R A C T I V E F I N A N C I N G S T R U C T U R E Attractive Debt Maturity Profile Existing Revolver Existing Senior Notes Existing Term Loan B New Debt Financing Financing Summary Terms on New Debt  $465 million of cash from the balance sheet expected to fund a portion of the purchase price  Bridge financing for remainder fully committed from Citi, Morgan Stanley and Wells Fargo  Permanent financing expected to include a combination of long-term debt and new equity  The timing of the permanent financing is subject to a number of factors, including, but not limited to, market conditions  PolyOne is committed to preserving a strong balance sheet – Target net leverage at close below 3.5x, excluding synergies  Pro forma capital structure positions PolyOne with flexibility to pursue continued growth strategy  New financing expected to have same or better covenant package than existing capital structure  Capital structure would be “covenant lite” Capital Policy  Transaction in line with PolyOne’s disciplined capital allocation policy  Existing PolyOne dividend policy to be maintained  Focus on deleveraging in the near term 2028+ PolyOne Corporation 26 PolyOne Corporation 27 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  Landmark portfolio transformation: > 85% of Adjusted EBITDA from specialty solutions  World-class innovation, technology and service are differentiators  Sustainability initiatives and alignment with megatrends drive above market growth in key end markets and applications:  Capital management is a strength - proven track record of expanding ROIC while increasing invested capital Transaction expected to add $0.85 to pro forma adjusted EPS PolyOne Corporation 28 PolyOne Corporation 29

Microsoft Word - Terms and Conditions of Sale for Hong Kong (12-17-24) TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. Upon receipt of a notice of an alleged claim, Seller may suspend all further deliveries. 4. Seller may terminate this contract at its sole option upon 14 calendar days’ written notice to Buyer. 25.