Martorell no.124 08740 Sant Andreu de la Barca Spain Scope Category I Production of customer specific Masterbatches for Food packaging materials on the dedicated extrusion lines Normative base ISO 22000:2018 Food Safety Management Systems Requirements for any organization in the food chain Reg. no. 46388 Validity 25. 02. 2021 – 24. 02. 2024 Issue 25. 02. 2021 Swiss Made sqs.ch F. Müller, CEO SQS 6 6 6 0 _ 2 / J u n e 2 0 19 / V er si o n 2 .0 Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland A.

Cibodas Kecamatan Cibodas, Tangerang 15138 Indonesia Scope Category I Production of customer specific Masterbatches for Food packaging materials on the dedicated extrusion lines Normative base ISO 22000:2018 Food Safety Management Systems Requirements for any organization in the food chain Reg. no. 46391 Validity 25. 02. 2021 – 24. 02. 2024 Issue 30. 06. 2021 Swiss Made sqs.ch F. Müller, CEO SQS 6 6 6 0 _ 2 / J u n e 2 0 19 / V er si o n 2 .0 Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland A.

Avient Colorants Singapore Pte Ltd 8 Third Chin Bee Road Jurong Industrial Estate Singapore 618684 Singapore Scope Category I Production of customer specific Masterbatches for Food packaging materials on the dedicated extrusion lines Normative base ISO 22000:2018 Food Safety Management Systems Requirements for any organization in the food chain Reg. no. 46390 Validity 25. 02. 2021 – 24. 02. 2024 Issue 30. 06. 2021 Swiss Made sqs.ch F. Müller, CEO SQS 6 6 6 0 _ 2 / J u n e 2 0 19 / V er si o n 2 .0 Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland A.

Standard ISO 900 1:2O15 Scope of supply c o II +t (u U t-r- '.F t- (u () (n rU '- c) l cu q) t_ l m Design, development, marketing & sales and related application support of UHMWPE, Ultra-High-Motecutar-Weight PolyEthytene fibers and UniDirecfionat sheets. To check this certificate validity ptease call: +31 (0) 88 450 5500 Page I of 2 R [{$l'll. fluA I sYs. 248 Avient protective Materiats Urmonderbaan 22, 6167 RD Geteen, The Nethertands 5750 Martin Luther King Jr. f co (.) t_ f m Appendix awarded to Avient Protective Materials Urmonderbaan 22 6167 RD Geleen The Netherlands This certificate arso concerns berow mentioned organization(s) and site(s).

Plasticos 28 Santa Clara Coatitla 55540 Ecatepec de Morelos, Estado de México Mexico Scope Category I Production of customer specific Masterbatches for Food packaging materials on the dedicated extrusion lines Normative base ISO 22000:2018 Food Safety Management Systems Requirements for any organization in the food chain Reg. no. 46389 Validity 25. 02. 2021 – 24. 02. 2024 Issue 30. 06. 2021 Swiss Made sqs.ch F. Müller, CEO SQS 6 6 6 0 _ 2 / J u n e 2 0 19 / V er si o n 2 .0 Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland A.

Avient corporation first quarter 2023 results AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) F E B R U A R Y 2 0 2 4 D I S C L A I M E R Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,135 2016 2018 2020 2023 $51 $84 $212 $645 2016 2018 2020 2023 $108 $113 $231 $230 2016 2018 2020 2023 $265 $358 $726 $725 2016 2018 2020 2023 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 Adjusted EPS TOP -T IE R S US TAINABIL IT Y P E RF ORM ANCE AND RE COGNIT ION Industry Sustainability Standards ESG Ratings Performance 1 2 4 87th 94th percentile 5 Avient CDP Score: A- F E B R U A R Y 1 4 , 2 0 2 4 W E B C A S T P R E S E N T AT I O N DR. AS HIS H KHANDP UR P R E S I D E N T & C E O 7 8 PORTFOLIO TRANSFORMATION 8 7% 46% 66% 87% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 2023 % o f A dj us te d E B IT D A Commodity JVs Distribution Performance Products & Solutions Specialty Businesses Adjusted EBITDA from Specialty Applications SUSTAINABILITY AS A GROWTH DRIVER 9 LONG-TERM REVENUE GROWTH DRIVERS Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other 60%+ Key Growth Drivers Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other 0–2% Avient 6% END MARKET OBSERVATIONS ( % O F C O M PA N Y S A L E S ) ENERGY 5% DEFENSE 7% TELECOMMUNICATIONS 4% HEALTHCARE 7% 10 TRANSPORTATION 10% INDUSTRIAL 16% BUILDING & CONSTRUCTION 9% CONSUMER 19% PACKAGING 23% 11 REGIONAL OBSERVATIONS ( % O F C O M PA N Y S A L E S ) 11 US & Canada Latin America EMEA Asia 41% 36% 18% 5% Q 4 2 0 2 3 R E S U L T S Q4 2023 PERFORMANCE VS.

PolyOne Corporation Page 3 PolyOne Commodity to Specialty Transformation 2000-20052000-2005 2006 - 20092006 - 2009 2010 – 20152010 – 2015 2016 and beyond 2016 and beyond • Steve Newlin appointed, Chairman, • Steve Newlin appointed, Chairman, • Substantial EPS growth from $0.13 to all-time high of $1.96 • Substantial EPS growth from $0.13 to all-time high of $1.96 • Deliver consistent double digit annual EPS growth • Deliver consistent double digit annual EPS growth • Volume driven, commodity producer • Volume driven, commodity producer pp , , President and CEO • New leadership team appointed pp , , President and CEO • New leadership team appointed • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel • Maintain >35% vitality index • Pursue strategic i iti th t • Maintain >35% vitality index • Pursue strategic i iti th t • Heavily tied to cyclical end markets • Heavily tied to cyclical end markets • Implementation of four pillar strategy • Implementation of four pillar strategy y q p p current and future growth, as well as margin expansion • Specialty mix expands y q p p current and future growth, as well as margin expansion • Specialty mix expands acquisitions that expand specialty offerings and geographic breadth acquisitions that expand specialty offerings and geographic breadth • Performance largely dependent on non- controlling joint ventures • Performance largely dependent on non- controlling joint ventures • Focus on value based selling, investment in commercial resources and innovation to drive transformation • Focus on value based selling, investment in commercial resources and innovation to drive transformation to 65% of Operating Income – strongest mix of earnings in history to 65% of Operating Income – strongest mix of earnings in history • Invest and grow current and next generation talent • Invest and grow current and next generation talent PolyOne Corporation Page 4 Confirmation of Our Strategy SpecializationSpecialization GlobalizationGlobalization Associates Operational Excellence Operational Excellence Commercial Excellence Commercial Excellence Th W ld’ P i P id f S i li d PolyOne Corporation Page 5 The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions 27 Consecutive Quarters of EPS Growth PolyOne Corporation Page 6 PolyOne At A Glance 2015 Revenues: $3.4 Billion2015 Revenues: $3.4 Billion 2015 Revenues: $3.4 Billion2015 Revenues: $3.4 Billion Europe 13% Canada 7% Asia 7% Latin America 7% PP&S 20% United States Distribution 29% CAI 23% SEM %DSS End MarketsEnd Markets Adjusted EPSAdjusted EPS 66% 15% DSS 13% End MarketsEnd Markets $1.31 $1.80 Adjusted EPSAdjusted EPS Industrial 14% Packaging 13% Textiles 2% Transportation $1.96 $0 27 $0 21 $0.68 $0.82 $1.00 $1.31 Building & C Consumer Healthcare 11% 20% Wire & Cable 9% PolyOne Corporation Page 7 $0.12 $0.27 $0.21 $0.13 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Appliances 4% Construction 12% 10%Electrical & Electronics 5% Mix Shift Highlights Specialty Transformation Old PolyOne 100% Transformation 2020 Platinum Vision 80% nc om e* 40% 60% pe ra tin g In 80%+ 43% 65% 20% 40% % o f O 2%0% 2005 2010 2015 2020 Specialty OI $5M $87M $229M Platinum Vision PolyOne Corporation Page 8 *Operating Income excludes corporate charges and special items JV's Performance Products & Solutions Distribution Specialty Vision Color and Engineered Materials at the Heart of Specialty Transformation OPERATING MARGIN 16.7% 17.5% 20%+ COLOR, ADDITIVES AND INKS 15 8% 20%+ SPECIALTY ENGINEERED MATERIALS 9.7% 12.2% 14.7% 9.6% 9.3% 12.1% 14.7% 15.8% 1 7% 4.6% 5.1% 5.5% 7.2% 8.1% 3.4% 5.1% 8.0% 8.6% 1.7% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2Q'16 2020 Platinum Vision 1.1% 1.3% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2Q'16 2020 Platinum Vision YTD YTD PolyOne Corporation Page 9 Proof of Performance & 2020 Goals 2006 2Q 2016 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income %1) Operating Income % Specialty: Color, Additives & Inks 1.7% 18.0% 20%+ S i lt E i d M t i l 1 1% 14 9% 20%+Specialty Engineered Materials 1.1% 14.9% 20%+ Designed Structures & Solutions N/A 1.7% (TTM) 8 – 10% Performance Products & Solutions 5.5% 12.3% 12 – 14% Distribution 2.6% 6.5% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 61% 80%+ 3) ROIC* 5.0% 12.0% 15% 4) Adjusted EPS Growth N/A 11% Double Digit PolyOne Corporation Page 10 ) j % Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period TPE’s & Film Therma-Tech™ & Sheet GEON™ Vinyl TPE + OnForce™ Gravi-Tech™ Polymer ColorantsTherma-Tech™ Film PolyOne Corporation Page 11Page 11 Target End Markets… Healthcare OnForce (SEM) Glasforms (SEM) TPE + OnForce (SEM) TPE Vibration Dampening (SEM/GLS) Source: Outdoor Industry Association TPE & Film (SEM + DSS) Thermoplastic Elastomers (SEM) TPE O F Glasforms (SEM) Polymer Colorants (CAI) Thermatech (SEM) TPE + OnForce (SEM) OnForce (SEM) Thermoplastic Elastomers (SEM) Sheet (DSS) (SEM) Glasforms (SEM) Polymer Colorants (CAI) PolyOne Corporation Page 12 Target End Markets… Outdoor High Performance Sound & Vibration Management Roof Systems Management Interior & Exterior Trim Interior Structural Components Fuel Handling Underhood Components g SystemsAir management Electronics & Cameras Structural Braces & Brackets Lighting Fluid Handling PolyOne Corporation Page 13 Target End Markets… Automotive ColorMatrix™ Amosorb™ ColorMatrix™ Ultimate™ UV Oxygen Scavenger Ultimate UV Light Barrier PreservaPak™ OnColor™ Smart Batch™ OnCap™ Laser Marking Additives VersaFlex™ TPE Cap Liner PolyOne Corporation Page 14 Target End Markets… Packaging Innovation Drives Earnings Growth $53 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 34% CAI & SEM Gross Margin Target ≥ 35% $20 $53 14% 12% 43% *Specialty Platform revenue from products introduced in last five years 2006 2015 2006 20152006 2015 Innovation Pipeline PotentialInnovation Pipeline Potential PolyOne Corporation Page 15 Ours is Not a Cost Cutting Story VolumeCommercial, R&D Adjusted 2,883 Volume (lbs in millions) $192 Commercial, R&D and Marketing Spending ($M) $721 Adjusted Gross Profit ($M) -16% +86% +138% 2,414$103 $303 2006 20152006 2015 2006 2015 PolyOne Corporation Page 16 Design and Service as a Differentiator Right Material & Color Desired Product Design Appropriate Manufacturing Process Connecting Delivering Concept to Commercialization Connecting the Dots with iQ Design Labs and InVisiO Color Design PolyOne Corporation Page 17 CommercializationInVisiO Color Design Customer First Through World-Class Service Strengthening relationships through:  Providing LSS services to small/medium sized customers  Providing training in Customer Centric Selling Skills with customers On-Time Delivery Commitment to Operational Excellence World’s Best Business Process Excellence Program in 2012* World’s Best Start-up program for Lean Six Sigma Deployment in 2009* 81% 93% 2006 2015 Working Capital % of Sales 16.2% 9.7%  52% of associates trained in LSS PolyOne Corporation Page 18 2006 2015  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry Debt Maturities & Pension Funding 102% 100% Pension Funding** As of June 30, 2016 $700 $800 Debt Maturities As of June 30, 2016 ($ millions) 80% 90% 100% $547 $600 $600 $700 60% 60% 70% $500 40% 50% $300 $400 20% 30% 2008 2Q 2016 $200 2022 2023 Coupon Rate: LIBOR + 2 75% 5 250% PolyOne Corporation Page 19 Net Debt / Adjusted EBITDA*= 2.3x ** includes US-qualified pension plans only*TTM 6/30/2016 Coupon Rate: LIBOR + 2.75% 5.250% (3.50%) Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational  Repurchased 17.3 million shares since early 2013  10 0 million shares are Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Gro th Share Rep rchases  10.0 million shares are available for repurchase under the current authorization Growth Repurchases Acquisitions Dividends Annual Dividend  Targets that expand our: • Specialty offerings • End market $0.20 $0.32 $0.40 $0.48 $0.30 $0.40 $0.50 • End market presence • Geographic breadth  Synergy opportunities  Adjacent material $0.24 PolyOne Corporation Page 20 $0.16 $ $0.10 $0.20 2011 2012 2013 2014 2015 2016 solutions Why Invest In PolyOne?  Addressable market exceeds $40 billion St f d t t th t t t d ti Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance The New PolyOne: A Specialty Growth Company g p g g g p PolyOne Corporation Page 21 The New PolyOne: A Specialty Growth Company Appendix PolyOne Corporation Page 22 2Q 2016 Financial Highlights  Performance Products & Solutions operating margin grew 370 basis $18 $16 $21 $18 $22 PP&S Operating Profit points year-over-year to 12.3% $11 $15 $16 $10 $14 $18 2Q'12 2Q'13 2Q'14 2Q'15 2Q'16 SEM O ti P fit  SEM operating margin expanded 50 basis points to a record second $15 $19 $20 $21 $18 $22 SEM Operating Profit Adjusted EPS quarter level of 14.9% $13 $15 $10 $14 2Q'12 2Q'13 2Q'14 2Q'15 2Q'16 $0.37 $0.51 $0.57 $0.63 $0.45 $0.70 Adjusted EPS  Second quarter adjusted EPS has grown on average 20% per year PolyOne Corporation Page 23 $0.30 $ $0.20 2Q'12 2Q'13 2Q'14 2Q'15 2Q'16 since 2012 Note: $ in millions, except per share data At a Glance Color, Additives and Inks 2015 Revenues: $0.8 Billion Solutions United States 48% Europe 33% Asia Canada 2% 12% Latin America 5% 16.7% 18.0% 20%+Operating Income % of Sales Expanding Profits2015 Revenue by Industry Segment 14.7% Packaging 31% Textiles 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% Building & C i Consumer Healthcare 6% Industrial 13% 8% Transportation 9% Wire & Cable 11% PolyOne Corporation Page 24 1.7% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2Q'16 2020 Platinum Vision Appliances 2% Construction 11% 8% Electrical & Electronics 1% At a Glance Specialty Engineered Materials 2015 Revenues: $0.5 Billion Solutions United States 49%49% Europe 29% Asia 20% Canada 2% 14.7% 14.9% 20%+Operating Income % of Sales 2015 Revenue by Industry Segment Expanding Profits Appliances 3% Packaging 5% Transportation 19% Wire & Cable 15% 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1%Building & Construction 3% Consumer 20% Electrical & Electronics Healthcare 11% Industrial 8% PolyOne Corporation Page 25 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2Q'16 2020 Platinum Vision Electronics 16% At a Glance Designed Structures and Solutions Solutions2015 Revenues: $0.5 Billion United States 97% Canada 3% 8-10% Operating Income % of Sales Expanding Profits2015 Revenue by Industry Segment Packaging 19% 1.4% 5.6% 7.3% 3.0% 1.0%Building & Construction Healthcare 7% Industrial 24% Transportation 33% PolyOne Corporation Page 26 2012 2013 2014 2015 2Q'16 2020 Platinum Vision Appliances, 3% Construction 9% Consumer 5% 7% At a Glance Performance Products and Solutions Solutions2015 Revenues: $0.7 Billion United States 79% CanadaCanada 14% Asia 2% Latin America 5% Packaging 5% Transportation 19% Wire & Cable 16% 12-14% Operating Income % of Sales Expanding Profits 12.3% 2015 Revenue by Industry Segment Appliances 7% Building & Construction 31% Electrical & El t i Healthcare 1% Industrial 13% % 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 8.3%7.7% PolyOne Corporation Page 27 31% Consumer 5% Electronics 3% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2Q'16 2020 Platinum Vision At a Glance Distribution Key Suppliers2015 Revenues: $1.0 Billion Packaging 4% Transportation 24% Wire & Cable 4% Appliances 6% Building & Construction 4%Consumer 13%Healthcare Industrial 16% Electrical & Electronics 6% 23% 6 6% 6.5-7.5% 6 5% Operating Income % of Sales 53% ROIC Expanding Profits 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.6% 6.5% 15% 6.1% PolyOne Corporation Page 28 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2Q'16 2020 15% 2006 2Q 2016 Platinum Vision Plastics: Key to Future Sustainable Development 2 lbs Plastic = 3 lbs aluminum Requires 91% less energy to  recycle a pound of plastic versus  a pound of paper3 lbs aluminum or 8 lbs steel or a pound of paper or 27 lbs glass 33% less material by weight  than aluminum 75% less material by weight75% less material by weight  than steel 93% less material by weight  than glass PolyOne Corporation Page 29 than glass Source: SPI: Sustainability and the Plastics Industry Application Examples PolyOne Corporation Page 30 Luxury Packaging with Gravitech Density Modified Polymers • Impart weight, sound and  metallic finish to caps andmetallic finish to caps and  closures for cosmetics and  spirits applications • Elevate quality and prestige  perceptions amongperceptions among  high‐end consumers • Eliminate time and cost  associated with secondary  operations and assembly PolyOne Corporation Page 31 p y Medical Device Housings with Chemically Resistant Engineered Polymers • Durable, long‐lasting products  stand up to the most  aggressive disinfectants • Minimize environmental stress  cracking and discolorationg • One of the broadest medically y approved polymer and  colorant portfolios PolyOne Corporation Page 32 Printed Circuit Boards with Thermally Conductive Polymers • Replaces metal by etchingReplaces metal by etching  circuit designs into thermally  conductive plastic • Maintains heat transfer and  cooling capabilities of metals • Reduces both weight and cost • Increases the lifetime and  reliability of electronic systems PolyOne Corporation Page 33 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 PolyOne Corporation Page 34 • Faster development timelines Outdoor Applications • Leading provider of high  performance specialty materials for the recreational and sports & p leisure industry • Well positioned across all segments  to address market needs  Metal to Polymer Conversion  Lightweighting  Thermal Management  Impact Performance PolyOne Corporation Page 35 Source: Outdoor Industry Association Fiber Colorants Solutions for clothing, apparel, footwear, automotive & sporting goods • 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Extrusion‐spun fibers colored via  solid masterbatch PolyOne Corporation Page 36 PET Bottling Technology • $1.5 billion attractive, growing market  Shelf‐life  extension Weight  reduction • Improve performance and reduce cost through light‐weighting,  d d t f t l ti Greater product  consistency l b l Enhanced product  aesthetics reduced waste, faster cycle times  and extended shelf life Recyclability and  reduced carbon  footprint aesthetics High heat • Aligned with megatrend of facing  climate and resource challenges: Color and Special Effects High heat resistance Sustainability benefits include  lower package weight and  improved recyclability of package  at end of use PolyOne Corporation Page 37 at end of use  Metal Replacement Solutions • Replaces metal in LED lighting • Extends LED durability and life  span eliminating hot spots • Greater design flexibility with  fewer parts • Weight reduction l f f d• Simplifies manufacturing and  lowers total production cost PolyOne Corporation Page 38 High-Barrier Packaging Containers • Capability to extrude up to 13 layers• Capability to extrude up to 13 layers • Strong oxygen and moisture vapor  transmission protectiontransmission protection • Can be made symmetrical or  asymmetrical to meet customizedasymmetrical to meet customized  needs of broad variety of applications • Barrier protection and superiorBarrier protection and superior  sensory properties PolyOne Corporation Page 39 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S. 2) Adjusted EBITDA does not include the pro forma impact of acquired businesses for the trailing twelve months ended June 30, 2016.

Investor Day C L A R I A N T M A S T E R B A T C H A C Q U I S I T I O N D R I V E S N E X T L E V E L S P E C I A L T Y T R A N S F O R M A T I O N December 2019 A C C E L E R A T I N G G R O W T H W I T H S U S T A I N A B L E S O L U T I O N S F O R W A R D - L O O K I N G S T A T E M E N T S PolyOne Corporation 2 In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. 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. 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 1 0 $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 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 $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 t e 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.

PDICaseStudy.indd 8 . 5 i n 11 .6 8 7 5 in 8 . 7 5 i n 11 .9 3 7 5 in 8 . 2 5 i n 11 in PDI Solution Boosts Long-Term Medical Device Performance Spinal disc replacement manufacturer relies on quality analysis and manufacturing solutions from Polymer Diagnostics to help its breakthrough product reach far beyond durability requirements. C a s e S t u d y T h e P D I D i f f e r e n c e Characterizing the polymer’s viscoelastic properties under conditions that simulate the human body helped PDI to predict creep performance, which identifies the measurable strain put on a polymer over a given period of time. Asset No. 76593C M Y K PDICaseStudy.indd REMAY 76593 trim: 8.5in x 11in and 8.25in x 11.6875in bleed: 8.75in x 11.9375in Digital/IAM 8 . 5 i n 11 .6 8 7 5 in 8 . 7 5 i n 11 .9 3 7 5 in 8 . 2 5 i n 11 in w w w. p o l y m e r d i a g n o s t i c s . c o m Copyright © 2008, Polymer Diagnostics Inc.

The barrel temperature of the injection molding machine was set from 180°C to 220°C (360°F to 430°F) and the injection velocity from 0.7 inch/sec to 2.0 inch/sec. TPE-2 TPE-2 materials are opaque and their base chemistries are different from TPE-1. The properties of TPE-2 are given in Table III.