Seller shall not be subject to any liability or damages for delay in performance or non- performance as a result of fire, flood, ice, natural catastrophe, pandemic, strike, lockout, labor shortage, labor dispute or trouble, accident, riot, act of governmental authority, act of God, war, act of terrorism (including cyber-terrorism and ransomware attacks), or other contingencies and/or circumstances beyond its reasonable control interfering with the production, supply, transportation, or consumption of the Products or with the supply of any raw materials used in connection therewith, or the inability of Seller to purchase raw materials at a commercially reasonable price, or if performance would be contrary to, or constitute a violation of, any regulation, law, or requirement of a recognized government authority, and quantities so affected may be eliminated by Seller from this contract without liability or damages to Seller, but this contract shall otherwise remain unaffected.

We are Avient. 6 B ET T E R TO G E TH E R : P O LYO NE A N D C L A R I A N T M A S T ER BATC H Key Financial Data (1) 2021E Sales $4.6 - $4.7 billion 2021E EBITDA $580 million 2021E Free Cash Flow $280 million 87% of EBITDA from specialty applications (1) As of July 30, 2021 webcast Synergies ($ millions) Three-Year Estimate Administrative $ 20 Sourcing 30 Operational 25 Total Synergies $ 75 7 C L A R I A N T C O S T S Y N ERG I E S • On-track to realize $45 million of expected synergies in 2021 – up from previous estimate of $35 million • Relentless focus on guiding principles for acquisition integration: safety first, employee collaboration and exceeding customer expectations • Future revenue synergies in excess of $50 million by 2025 are not part of these estimates and represent additional growth over the long term 8 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling C O M P L E M E NTA RY T E C H N O LOG I E S A N D C U S TO M ER S D R I V E R E V E N U E S Y N E RG I E S Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable.

url=http://de.wikipedia.org/wiki/Datei:Bayer-Logo.svg&rct=j&frm=1&q=&esrc=s&sa=U&ei=TfImVb6bAbeKsQTjp4DABA&ved=0CBYQ9QEwAA&sig2=Ci5ha-5qQAzO0chQpoDCLA&usg=AFQjCNHRuaPkX3dETrItqttgMxou7-a1Ow PolyOne Corporation Page 33 Innovation Pipeline Potential Global Specialty Engineered Materials Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 3 6 2 3 4 4 2 2 1 3 3 1 3 2 1 Breakthrough Platform Derivative Addressable Market ($ millions) $400 $100 $200 PolyOne Corporation Page 34 Megatrends Aligned with Key End Markets Increasing Energy Efficiency Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer Global Specialty Engineered Materials PolyOne Corporation Page 35 >$150M Revenue Potential Advanced Composites Healthcare Key Initiatives Light-weighting >$100M Revenue Potential Global Specialty Engineered Materials PolyOne Corporation Page 36 Platinum Vision 1.1% 8.0% 12.1% 20%+ 2006 2011 2014 2020 Platinum Vision World Class Operating Margin Accelerating Growth Global Specialty Engineered Materials Innovation Market Growth Geographic Expansion Collaboration PolyOne Corporation Page 37 Summary Accelerating growth is #1 priority • Collaboration across PolyOne • Market-driven Innovation • Commercial and Operational Excellence Global Specialty Engineered Materials PolyOne Corporation Page 38 Designed Structures and Solutions PolyOne Corporation Page 39 Custom Engineered Solutions 71% Packaging Solutions 29% Appliances 2%Building & Construction 8% Consumer 5% Healthcare 6% Industrial 23% Packaging 27% Transportation 30% 2014 Revenue by Industry Segment 2014 Revenues: $0.6 Billion At a Glance Designed Structures and Solutions PolyOne Corporation Page 40 Early Progress 1.4% 5.6% 7.3% 2012 2013 2014 Operating Margin $16 $33 $45 2012 2013 2014 Operating Income ($M) • Cultural shift from volume to value • Emphasis on commercial excellence • Mix shift to profitable portfolio of offerings • “Rightsizing” the operational footprint • Deploy Lean Six Sigma Designed Structures and Solutions PolyOne Corporation Page 41 A Lot of Work Remains with Tremendous Upside Potential Guided by our Four Pillar Strategy Specialization Globalization Operational Excellence Commercial Excellence Designed Structures and Solutions Focused on improving: • Quality • On-time Delivery • Operational Efficiency PolyOne Corporation Page 42 Innovating with Cross-Business Unit Technologies Designed Structures and Solutions Specialty Engineered Materials Color and Additives GLS ColorMatrix Geon • Flame retardant solutions • Flexible sound abatement materials • Energy dissipation • Replacement of leaded glass • Foaming technologies • Improved renewable packaging • Next generation barrier packaging • Glass replacement in packaging PolyOne Corporation Page 43 Who We Are Growing With Designed Structures and Solutions http://www.google.com/url?

Truly global • Technology platform and expertise – Combining the best from two global leaders creates an unmatched portfolio of products and solutions • Global and local accounts – Combining our legacies’ business, dealing with large key accounts and a broad base of regional customers, creates ample opportunities for growth and industry partnering • Talent acquisition and retention – Our ‘best of both worlds’ leadership position helps us to attract and retain the best people in the industry • Cost and performance synergies – Alignment of site structures and technical & commercial organizations is driving a positive cost position An Excellent Fit Avient Corporation 16 • Dedicated global organization • Full suite of performance products • Excellent product stewardship expertise • High quality technical organization • Strong focus on innovation and sustainability • Strong customer relationships and global industry partnerships • Global footprint What Legacy Clariant Color Brings Avient Corporation 17 Customer orientation and dedication Aesthetics + Product Functionality Innovation and Sustainability Safety First o Both ACC Responsible Care® companies o Legacy and continued focus on safety Retain All Customers and Existing Business o Minimize integration disruptions o Broadened portfolio of specialty solutions o World class products and service Retain All Key Employees o Talented, passionate, and collaborative o Supportive, high-performance culture Principles of Integration Avient Corporation 18 $85M Cost Synergies • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling Revenue synergy opportunities of $75M The complementary aspects of our combined businesses are unquestionable.

NEW at Avient In 2022, we expanded our portfolio of sustainable solutions, including: Complet™ REC solutions provide long fiber-reinforced composites are now available in recycled nylon and TPU formulations Polystrand™ R continuous fiber thermoplastic composites enables lighter weight reinforcement with recycled PET Edgetek™ PKE NHFR formulations are polyketone grades with non-halogen flame retardants specifically designed for electric vehicle components, including connectors Paint replacement technologies, including Artisan™ ABS portfolio and Molded-In Color Metallic Hydrocerol™ Chemical Foaming Agents enable reduced part weight without compromising performance Automotive OEM Lowers Carbon Footprint With Avient The Challenge An automotive OEM was looking to increase the use of sustainable materials for various vehicle parts in order to make progress towards achieving their sustainability goals and net zero emissions targets. LEARN MORE HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2022 48 https://www.avient.com/industries/energy/alternative-energy https://www.dyneema.com/our-products/dyneema-fiber/dyneema-max-technology https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-pultruded-rods-tubes-custom-profiles https://www.avient.com/products/polymer-additives/processing-enhancement-additives/cesa-additives-polyolefin-films https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/syncure-xlpe-cross-linkable-polyethylene-formulations https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-combination-colorants-additives https://www.avient.com/company/sustainability/sustainability-report/products/markets https://www.dyneema.com/applications/ropes-lines-slings-chains/offshore-wind-projects Telecommunications Market Needs: Durability, Consistency, Design Flexibility In this rapidly evolving industr y, the need for faster and more reliable technology is stronger than ever. Avient’s portfolio delivers flame retardance, low smoke and halogen options, and materials that can withstand wide temperature variations for telecommunication applications. 5G (The 5th Generation Network) From drinking water to air quality, sensors enabled by 5G can detect, manage and notify authorities about possible risks.

Seller shall not be subject to any liability or damages for delay in performance or non-performance as a result of fire, flood, ice, natural catastrophe, pandemic, strike, lockout, labor shortage, labor dispute or trouble, accident, riot, act of governmental authority, act of God, war, act of terrorism (including cyber-terrorism and ransomware attacks), or other contingencies and/or circumstances beyond its reasonable control interfering with the production, supply, transportation, or use of the Products or with the supply of any raw materials used in connection therewith, or the inability of Seller to purchase raw materials at a commercially reasonable price, or if performance would be contrary to, or constitute a violation of, any regulation, law, or 12.

HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2021 48 https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/syncure-crosslinked-polyethylene-formulations https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/syncure-crosslinked-polyethylene-formulations https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-color-additive-concentrates https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-cross-linkable-solutions https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-cross-linkable-solutions https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-pultruded-rods-tubes-custom-profiles https://www.avient.com/products/polymer-additives/performance-enhancement-additives/cesa-ir-additives 5G as a Sustainability Enabler The need for better, faster and more reliable technology is stronger than ever. 5G, fiber optic cabling components and other network supporting infrastructure have been crucial in the response and recovery. The formulations offer improved fire safety with low smoke, fume, corrosiveness & toxicity.

HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2020 47 https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/syncure-crosslinked-polyethylene-formulations https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-color-additive-concentrates https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-cross-linkable-solutions https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-cross-linkable-solutions https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-pultruded-rods-tubes-custom-profiles https://www.avient.com/products/polymer-additives/performance-enhancement-additives/cesa-ir-additives 5G as a Sustainability Enabler Among many learnings, the COVID-19 pandemic has highlighted the need for better, faster and more reliable technology. The formulations offer improved fire safety with low smoke, fume, corrosiveness & toxicity.

These specialized polymers POLYONE CORPORATION 3 offer advantages compared to traditional materials that include processability, weight reduction, chemical resistance, flame retardance and lower total cost. The hazards and risks our manufacturing operations are subject to include, but are not limited to: • explosions, fires, inclement weather and natural disasters; • mechanical failure resulting in protracted or short duration unscheduled downtime; • regulatory changes that affect or limit the transportation of raw materials; • inability to obtain or maintain any required licenses or permits; • interruptions and environmental hazards such as chemical spills, discharges or releases of toxic or hazardous substances or gases into the environment or workplace; and • storage tank leaks or other issues resulting from remedial activities.

These specialized polymers offer advantages compared to traditional materials that include design freedom, processability, weight reduction, chemical resistance, flame retardance and lower cost. The hazards and risks our manufacturing operations are subject to include, but are not limited to: • explosions, fires, inclement weather and natural disasters; • mechanical failure resulting in protracted or short duration unscheduled downtime; • regulatory changes that affect or limit the transportation of raw materials; • inability to obtain or maintain any required licenses or permits; • interruptions and environmental hazards such as chemical spills, discharges or releases of toxic or hazardous substances or gases into the environment or workplace; and • storage tank leaks or other issues resulting from remedial activities. 10 POLYONE CORPORATION The occurrence of any of these operating problems at our facilities may have a material adverse effect on the productivity and profitability of a particular manufacturing or distribution facility or on our operations as a whole, during and after the period of these operating difficulties.