NAME COLOR FAMILY COLOR CODE TRANSPARENTS Transparent Blue Violet Violet PPT6730-4005 Transparent Aquamarine Blue PPT6730-5018 Transparent Teal Green Green PPT6730-564C Transparent Optimal Yellow Yellow PPT6730-458C Transparent Energy Orange Orange PPT6730-150C Transparent Crimson Red PPT6730-2009 Transparent True Gray Gray PPT6730-7001 OPAQUES Linen White White PPO6730-9010 Hygienic White White PPO6730-9001 Ice Gray Gray PPO6730-5C True Gray Gray PPO6730-424C Shadow Gray PPO6730-446C Gunmetal Gray PPO6730-426C Black Black PPO6730-6C Powder Blue Blue PPO6730-2127C Smoky Blue Blue PPO6730-7682C Bright Azure Blue PPO6730-653C Cobalt Blue PPO6730-5002 Navy Blue PPO6730-5004 Aquamarine Blue PPO6730-7699C Blue Violet Violet PPO6730-7456C Emerald Green PPO6730-6016 Clover Green PPO6730-7723C Optimal Yellow Yellow PPO6730-459C Energy Orange Orange PPO6730-2000 Crimson Red PPO6730-3000 Colors may vary from actual color shown. NAME COLOR FAMILY COLOR CODE OPAQUES Marigold Yellow RPO6750-1006 Lime Yellow Green RPO6750-389C Royal Blue Blue RPO6750-5005 Mist Gray Gray RPO6750-7035 Overcast Gray RPO6750-7042 Deep Charcoal Black RPO6750-9004 Storm Gray Gray RPO6750-7015 Tin Gray RPO6750-7004 Tangerine Orange RPO6750-2004 Ginger Orange RPO6750-2000 Manilla White RPO6750-1013 Pine Green Green RPO6750-6029 Sea Green Green RPO6750-3262 Indigo Violet RPO6750-7668C Nut Brown Brown RPO6750-8008 Chocolate Brown RPO6750-8017 Chili Pepper Red RPO6750-3000 1.844.4AVIENT www.avient.com Copyright © 2023, Avient Corporation.

MAJOR TIER 1 SUPPLIER C O N N E C T O R C O V E R • EMI-shielding performance at frequencies from 30 MHz up to 2 GHz • Excellent dimensional stability • Must meet robust mechanical property targets including tensile strength and elongation at break • Worked in close collaboration with the OEM from the start of the development process in order to fully understand their key requirements • Developed a customized material providing the required EMI-shielding performance which, removing the need for secondary metallization manufacturing processes, reduced cycle time Surround™ NN- 14 NICF SIP Black Formulation KEY REQUIREMENTS WHY AVIENT?

KEY REQUIREMENTS • Post-consumer recycled material to reduce carbon footprint • Maintain high transparent color even after using recycled PC • Stable color range and strict black spot control https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/resound-r-pc-recycled-polycarbonate-solutions

MAJOR AUTOMOTIVE OEM R O O F R A C K • Impact resistance • UV stability over time • Color match to specific black color • Developed a supply chain agreement to ensure reliable supply and mitigate risk • Provided just-in-time delivery to help the customer keep working capital low and maximize warehouse space • Provided a product that supports sustainability to potentially enhance the marketplace appeal of the customer’s end product Nymax™ REC Recycled Nylon Formulation KEY REQUIREMENTS WHY AVIENT?

MILITARY AND TACTICAL GEAR MANUFACTURER H O L S T E R • Impact resistance in all temperatures • Strength • Ductility • UV resistance • Easy to process • Color match to specific black color • Supported material selection and provided technical processing expertise through our application development and technical service team • Enabled two-day delivery through regional stocking strategies Nymax™ REC Post-Industrial Recycled Nylon Formulation KEY REQUIREMENTS WHY AVIENT?

AUTOMOTIVE COMPONENTS MANUFACTURER O U T S I D E R E A R - V I E W M I R R O R G A S K E T • Black materials with hardness 60 and shore A • UV Stabilized • Overmouldable on to PP • ROHS Compliant • Customer specified material • Utilized global reach to translate customer approved solution from Europe to India • Reduced development time as material was already qualified in Europe • Reduced import/export costs • Enabled Indian business to specify Avient as a preferred supplier Custom GLS™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

RADIATION PROTECTION OEM P E R S O N A L P R O T E C T I O N A P R O N S • Enhanced performance and compatibility with other materials being used during production • Improved durability in various environments • Onsite technical and processing support • Formulations in clear, neutral and black shades • Formulated a plastisol solution for better dispersion of customer’s raw materials and enhanced compatibility with pigments being used • Provided superior indoor and outdoor performance for the end application • Offered onsite support to help streamline processing • Delivered a range of colors to meet brand requirements CORE™ Vinyl Plastisols KEY REQUIREMENTS WHY AVIENT?

REFORM DESIGN LAB B I O - B A S E D D E S I G N F U R N I T U R E • Matt black color in cellulose fiber filled PLA • 3D-printable material • Possible outdoor use • Fast development to adapt to online requests • Developed custom products that fulfill color, appearance, UV stabilization and material requirements • Provided fast support to answer evolving online demands • Offered small and flexible quantities and suggestions for further colors OnColor™ custom masterbatch and engineered material KEY REQUIREMENTS WHY AVIENT?

complex geometry, part consolidation) Excellent Fair Fair Raw Material Cost Poor Good Fair Total Production Cost Good Fair Fair pr od uc ti on pe rf or m an ce Avient offers a range of customizable long fiber reinforced structural material solutions and design support for your metal-to-plastic conversion projects Complēt™ long glass, long carbon, and hybrid fiber solutions available in a wide array of engineering polymer matrices, including PA66, PA6, ETPU, PPA, PPS, PES, PEI, PK, and PEEK • OnForce™ long glass fiber reinforced polypropylenes • Full suite of design and engineering services that include structural design and fiber orientation consultations and modeling, CAE analysis, prototyping, and more STRENGTH-TO-WEIGHT RATIO OF LFT VS METALS m eg ap as ca l gram /cubic centim eter 250 200 150 100 50 0 9.00 8.00 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 Zam ak 3 Stainless Steel 304 Titanium #2 plēt LCF40-PP plēt LGF60-TPU OnForce LGF50-PP Alum inum A380 M agnesium AZ91D plēt LCF50-PA66 plēt LGF60-PA66 plēt LCF50-TPU Specific Strength Density Metal Long Glass Fiber Long Carbon Fiber 1.844.4AVIENT www.avient.com Copyright © 2025, Avient Corporation.

PolyOne Corporation Page 4 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 • 21 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 • Vitality index and innovation driving growth and expanding margins • Specialty business margins have 20+% potential • Double digit operating income and adjusted EPS growth PolyOne Corporation Page 5 Building & 10% Electrical & 9% Distribution 28% PP&S Specialty 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $13 $31 $46 $46 $92 $96 $122 $195 $242 2006 2007 2008 2009 2010 2011 2012 2013 2014 Specialty Operating Income ($M) PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $242M Target Mix Shift Highlights Specialty Transformation Transformation 2015 Target PolyOne Corporation Page 7 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 8 -150% -50% 50% 150% 250% 350% 450% 550% 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 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 ‘06-‘14 EPS CAGR = 40% EPS Share Price vs.  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  Addressable market exceeds $40 billion PolyOne Corporation Page 17 Appendix PolyOne Corporation Page 18 +25% $262 $320 $200 $275 $350 2013 2014 Adjusted Operating Income (in millions) +22% 2014 Financial Highlights  All of our segments delivered both operating income and margin expansion during the year  Our specialty businesses achieved record levels of profits and profitability this year  Achieved 21st consecutive quarter, or over five years, of strong, double-digit adjusted EPS growth +37% $1.31 $1.80 $1.00 $1.50 $2.00 2013 2014 Adjusted EPS $195 $242 $150 $200 $250 2013 2014 Specialty Operating Income (in millions) PolyOne Corporation Page 19 Building & 7% Electrical & 1% 31% Textiles 7% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 12-16% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Target 36% PolyOne Corporation Page 20 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12-16% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Operating Income % of Sales Target 12.1% 33% 19% PolyOne Corporation Page 21 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 8-10% 2012 2013 2014 2015 Operating Income % of Sales Target PolyOne Corporation Page 22 Building & 33% 5% Electrical & 1% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 9-12% Target 2014 Revenue by Industry Segment 2015 7.7% PolyOne Corporation Page 23 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6 - 7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Operating Income % of Sales 15% 52% 2006 2014 At a Glance Distribution *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Key Suppliers 2014 Revenues: $1.1 Billion ROIC* Expanding Profits 6.1% Target http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 24 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 25 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Four consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  103 trained Black Belts  247 trained Green Belts  127 trained Kaizen Leaders World’s Best Start-up Program for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 26 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 4 11 5 10 6 9 3 4 2 15 9 1 10 4 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 25 14 19 17 18 93 Addressable Market ($ millions) TBD TBD $800 $450 $450 $1,700 PolyOne Corporation Page 27 Application Examples PolyOne Corporation Page 28  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Fast Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance 4% 4% 8% 9% 9% 10% 11% 14% Western Europe North America South America MEA Easter Europe Asia Pacific China India PET 2008-13P CAGR PET Bottling Technology PolyOne Corporation Page 29 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 30 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital Range Rover Evoque Interior PolyOne Corporation Page 31 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 32 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 • Simplifies manufacturing and lowers total production cost PolyOne Corporation Page 33 Next Generation Solar Charger • Ginkgo Solar Tree charger utilizing our unique reSound™ material • reSound™ is a durable material consisting of 50% bio-derived plastic and 50% traditional petroleum-based plastic • Use of reSound™ reduced the carbon footprint for this product by 35% • reSound™ Is classified as a PolyOne Sustainable SolutionSM PolyOne Sustainable SolutionSM PolyOne Corporation Page 34 High-Barrier Packaging Containers • Capability to extrude up to 13 layers • Strong oxygen and moisture vapor transmission protection • Can be made symmetrical or asymmetrical to meet customized needs of broad variety of applications • Barrier protection and superior organoleptic properties PolyOne Corporation Page 35 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc.