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This graphic shows the difference between a circular economy and a linear one. Solutions that Support the Circular Economy REDUCED ENERGY USE CESA™ Dry Additives CESA™ Release Additives OnCap™ CTR Process Optimization ColorMatrix™ Joule™ & Smartheat™ Infrared Absorber Specialty Low Cure Inks SiteCool™ Infrared Absorption Technologies BIO-DERIVED CONTENT reSound™ OM Bio-Derived Thermoplastic Elastomers reFlex™ Bio-Derived Plasticizer OnCap™ Bio Additives OnColor™ Bio Colorants reSound™ Natural Fiber Reinforced Formulations LIGHTWEIGHTING Glasforms™ Pultrusion Technologies Polystrand™ Continuous Fiber Composites IMPROVED RECYCABILITY CESA™ IR Black Additives CESA™ Extend Additives ColorMatrix™ Lactra™ SX Light Blocking Additive for PET ColorMatrix™ Ultimate™ UV Light Barrier ColorMatrix™ Capture™ Oxygen Scavenger for PET ColorMatrix™ Triple A™ Acetaldehyde Scavenging Additives ColorMatrix™ Reprize™ IV Builder for PET OnColor™ IR Sortable Black for Recyclable Packaging Bergadur™ Post-Industrial Recycled Content Polyester Formulations Nymax™ PIR Post-Industrial Recycled Nylon Formulations Maxxam™ FR Flame Retardant Polyolefin Formulations Predictions Gartner predicts circular economies will replace linear economies in 10 years, noting that supply chain leaders must adapt to circular models in order to keep up in a marketplace with a growing emphasis on sustainability.

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 8,800 associates and is certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 26 Capex / Revenue 2022E (%) AVIENT IS ASSET LIGHT Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 3 3 4 3 3 5 5 5 7 7 7 A vi e nt A vi e nt ( E xc l. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

SEMICONDUCTOR PACKAGING OEM S P E C I A L T Y , S T A T I C D I S S I P A T I V E P A C K A G I N G • Provide protection against electrostatic discharge (ESD) and environmental variations • Ensure highly specialized, clean manufacturing conditions • Deliver stringent quality control of ionic and metal contamination • Maintain availability of raw materials across a global supply chain • Ability to translate production globally • Protected critical electronics from ESD while providing an environmental barrier • Adhered to strict quality and cleanliness controls from raw material handling through production to help maintain high-purity standards, such as ultra-clean feeders, deionized water, and specific HVAC systems, supporting quality initiatives, including PCS reviews, eCoA, and HA assessments • Exceeded customer expectations for controlling ionic and metal contamination down to parts per billion (PPB) • Offered global capabilities with local support and material supply to meet growing semiconductor industry needs Stat-Tech Static Dissipative Formulations KEY REQUIREMENTS WHY AVIENT?

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HAMMERHEAD™ MARINE COMPOSITE PANELS APPLICATION & INSTALLATION GUIDE PRODUCT DESCRIPTION FEATURE BENEFIT Exceptional strength-to-weight ratio Lightweight yet strong structural performance and increased payloads Resistance to UV light, chemicals, moisture degradation and rot Resistance to harsh marine conditions Tough and impact resistant Durability and long product life Dimensionally stable Consistent performance in extreme temperature and humidity fluctuations Strong adhesive properties Easy bonding to various materials FEATURE BENEFIT Ready-to-install Fewer parts & reduced scrap Large format Improved aesthetics with seamless designs Made via continuous-fiber manufacturing process Consistent quality in every panel PERFORMANCE ADVANTAGES MANUFACTURING ADVANTAGES Hammerhead™ Marine Composite Panels are made from continuous glass- fiber reinforced thermoplastic face sheets and polyester foam cores. Deflection is dependent on support span distance. 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in .75" Hammerhead Panel 0.00 0.20 0.40 0.60 0.80 1.00 1.20 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in 1.50" Hammerhead Panel Simply supported beam deflection for Hammerhead™ panels with 5.3 lb/ft3 core density 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in .50" Hammerhead Panel 0.00 0.50 1.00 1.50 2.00 2.50 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in 1.00" Hammerhead Panel 50lb 100lb 150lb 200lb 250lb LOAD CASE Hammerhead™ PETG Laminate Hammerhead™ PETG Laminate * To calculate deflection for different panel widths, use the following formula: Deflection = Chart value* [12 / panel width]. Example: Deflection for 24 inch panel = Chart value *[12 / 24] 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in .50" Hammerhead Panel 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in .75" Hammerhead Panel 0.00 0.50 1.00 1.50 2.00 2.50 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in 1.00" Hammerhead Panel 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in 1.50" Hammerhead Panel Hammerhead™ PETG Laminate Hammerhead™ PETG Laminate Simply supported beam deflection for Hammerhead™ panels with 8.4 lb/in3 core density * To calculate deflection for different panel widths, use the following formula: Deflection = Chart value* [12 / panel width].