Packaging and Packaging Waste Directive) Sources: UN Environment Programme; Deloitte; McKinsey & Company; European Commission: Environment SOLVING CHALLENGES IN KEY END MARKETS Avient Corporation 33 Transportation VOC reduction Bio-based content Eco-conscious Food waste reduction Sustainable Infrastructure Eco-conscious Resource conservation HOW AVIENT INNOVATION ENABLES SUSTAINABLITY Avient Corporation 34 Solutions to increase recycled content and minimize plastic waste Solutions to reduce weight and energy consumption Solutions to preserve and protect natural resources & human life HOW WE ENABLE SUSTAINABILITY Renew Michael Garratt Senior Vice President, President of Color, Additives and Inks – EMEA Avient Corporation 35 RENEW Avient Corporation 36 • Meet Aggressive Sustainability Goals - While brand owners have made strong, public sustainability commitments – many are currently trailing far behind goals • Develop Strategies to Minimize Plastic Waste - Plastic waste remains a global priority with consumers and legislatures – forcing brand owners to implement tangible mitigation strategies • Increase Post Consumer Recycle (PCR) Utilization & Post Consumer Recycle Availability - Increasing the use of PCR is far more challenging than many companies had anticipated • Meet Legislation Requirements - Legislatures are drafting financial penalties for companies unable or unwilling to meet post-consumer recycled content targets Solutions to increase recycled content and minimize plastic waste PLASTICS ARE PART OF THE SOLUTION Avient Corporation 37 Source: Franklin Associates / American Chemistry Council PLASTIC ALTERNATIVE PACKAGING (GLASS + ALUMINUM + PAPER) 2x More energy 3x More greenhouse gas emissions 5x More waste 6x More waterWater Waste Emissions Energy BRAND OWNER PROGRESS AGAINST COMMITMENTS 39% 29% 37% 16% 6% 0.0% 5.0% 10.0% 15.0% 20.0% 25.0% 30.0% 35.0% 40.0% 45.0% 50.0% Brand Owner 1 Brand Owner 2 Brand Owner 3 Brand Owner 4 Brand Owner 5 Brand Owner 6 Brand Owner 7 Brand Owner 8 Brand Owner 9 Brand Owner 10 Percent Recycled Plastic Used Progress through 2022 Gap to reach 2025 targets Source: Ellen MacArthur Foundation 2022 Avient Corporation 38 Color Management Maintaining Mechanical Properties Decontamination Mono-Material Construction Consistent Quality TOP 5 GAPS TO RECYCLE CONTENT UTILIZATION Avient Corporation 39 Avient Corporation 40 Food & Beverage Packaging 2022 Revenue: $43M Taste and Odor Management ColorMatrix™ AAnchor Scavenger • Improves recyclability • Reduces regulatory risk from migration issues ACETALDEHYDE REDUCTION Recyclable Oxygen Barrier ColorMatrix™ Capture ™ Oxygen Scavenger • Protects recyclate - maintains clarity with no discoloration • Enables higher rPET content utilization rPET UTILIZATION Food & Beverage Packaging 2022 Revenue: $88M PCR Performance Additives ColorMatrix™ SmartHeat™ • Lowers energy use - CO2 Emissions • Reduces yellowing and thermal instability • Enables increased use of rPET • Minimal impact on part color 35% LOWER CARBON EMISSIONS THINNER WALLS Reduced Wall Thickness Packaging ColorMatrix™ Ultimate™UV Light Barrier Stabilizer Cesa™ Light Additives • Protects ingredients from UV degradation • Enables reduced wall thicknesses • No negative effect on recycling Increased Recycle Content ColorMatrix™ Process Aid and Toner for Recycled PET (rPET) • Improves ability to recycle PET • Enables higher percentages of recycled content • Provides superior aesthetics • Prevents degradation of physical properties ENHANCES RECYCLING Avient Corporation 41 Avient Corporation 42 Design for Recycling CycleWorks™ Center for Mechanical Recycling • Recycling trials and field testing • Solutions evaluation and screening • Customer collaboration EXPANDS PCR USAGE PCR Color Prediction Service • Enables use of lower-quality PCR • Predicts achievable colors • Increases PCR utilization rates • Helps brands to achieve PCR usage goals CONSUMERS: CHOOSE BASED ON COLOR CycleWorks™ Center Milan, Italy Additives for Recycling 2022 Revenue: $50M Stabilization During Recycling Cesa™ A4R Additives for Recycling • Enables multi-loop recycling • Stabilizes recyclate during processing • Reduces discoloration, gels, and black spots PCR UTILIZATION ENABLES Personal Care Packaging New Product Avient Corporation 43 Bio-Based Phone Case reSound™ OM BIO-based Thermoplastic Elastomers • Derived from non-fossil-based raw materials • Good property retention and UV resistance BIO-BASED CONTENT Avient Corporation 44 High PCR Content Razor reSound™ Recycled Thermoplastic Elastomers • Excellent processability 62% 2022 Revenue: $1M Carbon Footprint Analysis Carbon Footprint Mapping Service • Provides input metrics for independent brand carbon footprint calculations • Aligns with a defined ISO standard, certified by TUV Rhineland ENABLES CARBON AWARENESS Avient Corporation 45 2022 Revenue: $1M Portable Power Station Nymax™ Recycled Nylon • Recycle content up to 60% • Excellent weathering performance • Reduces weight Swim Goggles reSound™ BIO Thermoplastic Elastomers • Performs like traditional TPE 35 - 70% BIO-RENEWABLE CONTENT Avient Corporation 46 2022 Revenue: $3M Off Road Vehicle Structural Components Nymax™ REC Reinforced Nylon • Replaces steel/aluminum • Excellent fatigue resistance INCORPORATES Avient Corporation 47 “Avient’s bio-circular materials for our Biofuse 2.0 goggles are a real game changer that will set Speedo apart from the competition - and will support our aim of reducing environmental impact.” LAND-BASED) Avient Corporation 58 Solar Power Wire and Cable Syncure™ and ECCOH™ Photovoltaic Polymers • Supports installation of sustainable infrastructure for renewable energy • Reduces energy consumption vs. radiation cross-linking process • Extends useful life for cables EXTENDS PRODUCT LIFE Alternative Energy 2022 Revenue: $26M Wind Turbine Towing Lines Dyneema® Rope • Weightless when submerged • Smaller diameter for equal strength = larger winch capacities • Reduces drag for improved towing STRONGER THAN STEEL 15x Wind Blade Root Stiffener Glasforms™ Composites • Provides enabling technology that supports adoption of alternative energy • Withstands fatigue for extended product life ENABLES WIND ENERGY Avient Corporation 59 “We believe that sustainability and innovation go hand-in-hand and the team at Harley- Davidson is excited about Avient’s recently launched Bio-Based TPE for our handlebar grips.” Per Carlsson, Manufacturing and Operations Avient Corporation 71 80 2022 2030 Medical Plastics Market Size PRESERVE – TAKEAWAY Protecting Human Life and Enabling Connectivity Drives Growth Projections Examples Covered 56% Other Applications 44% 2022 $525M (in $ Bi lli s) 8% CAGR 34% CAGR 5G Infrastructure Market Size 12 92 10 70 80 2023 2024 2025 2026 2027 2028 2029 2030 (in $ Bi lli s) Source: Grand View Research Source: Global Data Summary Senior Vice President and Chief Financial Officer Avient Corporation 72 OUR SUSTAINABILITY REPORT Avient Corporation 73 Avient Corporation 74 2030 SUSTAINABILITY GOALS Avient Corporation 75 PERFORMANCE AND RECOGNITION 1 2 5 ESG Ratings Performance ESG Awards and Certifications top 13% 94th percentile Avient Corporation 76 SUSTAINABILITY INNOVATION AWARDS Ultra-Low Carbon Footprint TPE Innovation Award, Finalist: PCR Colorants + Additives Sustainable Packaging Innovation, Finalist: U.S.

Homepage // News Center // Avient Debuts ThermoBallistic™ Thermoplastic Composite Panels at CAMX 2023 ThermoBallistic™ thermoplastic composite panels Thermoplastic Composites:

Versaflex™ CF Low Adhesive Build-up TPE for Protective Film Tack Layer Protective films guard the surface of finished goods from initial fabrication through assembly, shipment, storage, and installation. Versaflex™ CF 6668 low adhesion build-up TPE for protective film meets that need. It can also be recycled as thermoplastic material.

FireCon™ Thermoplastic CPE-A (Spanish) General extrusion guidelines for FireCon™ Thermoplastic CPE-A (Spanish language version) Versaflex™ Thermoplastic Elastomers improved chemical resistance for cosmetic droppers

Nikrant Page 67 United States 36% Europe 36% Canada 2% Asia 20% Latin America 2011 Revenue: $0.6 Billion2011 Revenue: $0.6 Billion SolutionsSolutions At a Glance Appliance 6% Building & Construction 3% Wire & Cable 14% Electrical & Electronics 14%Consumer 21% Packaging 5% Industrial 8% Misc. 3% HealthCare 5% Transportation 21% America 6% 2011 Revenue by Industry Segment2011 Revenue by Industry Segment 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 12-16% 2006 2007 2008 2009 2010 2011 2015 Operating Income % of Sales Target Expanding ProfitsExpanding Profits Page 68 Value Proposition • GSEM is a global leader providing complete specialty solutions encompassing innovative technologies and services to enable customer success Transformation Highlights • Dramatic turnaround of the Engineered Materials business through mix improvement and specialty focus Value Proposition and Transformation Highlights improvement and specialty focus • GLS acquisition successfully integrated, having more than doubled earnings in 3 years • PolyOne culture and strategy now engrained worldwide • Expansion into healthcare with dedicated resources > $15B Addressable Market Page 69 • Polymer design, formulation and service expertise • Broad, global technology base and regional centers of excellence • Ten innovation centers around the world Key Differentiators • Ten innovation centers around the world • Specialty brand leadership with PolyOne, GLS, NEU and ECCOH • Ability to leverage global key account team Page 70 From Volume Commodity-driven product portfolio To Value Specialty technology and solutions EM North America Transformation Volume Sales Gross Margin $ Mix Transformation – Executing the Strategy 2006 2011 2006 2011 2006 2011 Page 71 $12 $29 Operating Income ($ in millions) • Provided access to new customers in specialized, high-growth markets such as healthcare and consumer • Strategic partner to many of the world’s best-known companies GLS Integration Success 16.9% 8.2% 2007 2011 2007 2011 Working Capital % of Sales • Complementary global footprint provided additional cross-selling opportunities • Opportunity to expand margins and drive working capital improvement while remaining customer-focused Page 72 $1.3 $27.6 2006 2011 Healthcare Revenue • Investment in dedicated healthcare team to drive penetration and growth • Leverage product portfolio globally & win specialty business Areas of Focus $10.5 $117.9 2006 2011 Consumer Revenue 2006 2011globally & win specialty business in targeted markets • Aggressively commercialize specialty innovation platforms • Utilize our innovation centers to influence OEM design (Revenue in $ millions) Page 73 • Carbon Nanotube Formulations � Applications: Semiconductor equipment, hard drives � Customer benefits: Scrap cost reduction and clean conductivity • Thermally Conductive Solutions Applications: Sockets and bulb holders for LED lighting Key Innovations � Applications: Sockets and bulb holders for LED lighting � Customer benefits: Cost reduction, energy saving, and design flexibility • FDA-Regulated TPEs � Applications: Food packaging seals, intravenous delivery systems, medical stoppers, prefilled syringes � Customer benefits: Clean and safe elastomers for highly regulated applications Page 74 Critical Imperatives and 2015 Goal Critical Imperatives • Commercialize critical new technology platforms • Manage the mix as we continue to drive the transformation • Global translation of commercial successes 2015 Goal • 12 - 16% return on sales Page 75 Page 76

He served in various sales and marketing leadership roles within the company’s global thermoplastic elastomers division, culminating in his promotion to vice president and general manager. Before joining Avient, he held various commercial roles in the specialty elastomers and specialty polybutylene businesses at Shell Chemical Company.

He served in various sales and marketing leadership roles within the company’s global thermoplastic elastomers division, culminating in his promotion to Vice President and General Manager. Before joining Avient, he held various commercial roles in the specialty elastomers and specialty polybutylene businesses at Shell Chemical Company.

He served in various sales and marketing leadership roles within the company’s global thermoplastic elastomers division, culminating in his promotion to Vice President and General Manager. Before joining Avient, he held various commercial roles in the specialty elastomers and specialty polybutylene businesses at Shell Chemical Company.

Homepage // News Center // PolyOne Carves Out New Terrain with Thermoplastic Composites at CAMX 2019 Caption: The Rome Black Label snowboard binding features Polystrand™ continuous fiber reinforced thermoplastic composite materials from PolyOne ANAHEIM, CA – September 23, 2019 – PolyOne (NYSE:POL) is highlighting hands-on, continuous fiber reinforced thermoplastic (CFRTP) composite demonstrations, a new snowboard binding application, and the addition of a new thermoplastic composites innovation lab at the Composites and Advanced Materials Expo (CAMX) 2019 tradeshow this week.  

Processing & Design Guide: Polystrand™ Thermoplastic Composites Recommendations & key considerations for processing and part design with continuous fiber reinforced thermoplastics Formulated TPE with 43% bio-based content plus favorable UV resistance and vibration damping performance compared to standard TPE