What level of technical support do you receive from your colorant supplier? Choosing a supplier that understands these requirements will reduce business risk and give the assurance of knowing that your products are fully compliant. Manufacturers operating lean manufacturing systems can also benefit by driving down inventory requirements even further • Avient’s advanced liquid systems can be run at lower temperatures whilst maintaining stability allowing important energy cost and carbon footprint savings to be made LIQUID COLOR SERVICE PACKAGE Avient is dedicated to supporting its customers with a full package of support services to ensure optimum value from our advanced colorant and additive technologies.

What level of technical support do you receive from your colorant supplier? Choosing a supplier that understands these requirements will reduce business risk and give the assurance of knowing that your products are fully compliant. Manufacturers operating lean manufacturing systems can also benefit by driving down inventory requirements even further • Avient’s advanced liquid systems can be run at lower temperatures whilst maintaining stability allowing important energy cost and carbon footprint savings to be made LIQUID COLOR SERVICE PACKAGE Avient is dedicated to supporting its customers with a full package of support services to ensure optimum value from our advanced colorant and additive technologies.

MATERIAL LIFECYCLE GLOSSARY OF TERMS Material Manufacturer - Raw material suppliers or processors who produce materials ready for manufacturing Reworkable Material - O� spec or scrap materials that are re-ground or re-worked back into the same supply or manufacturing process that produced them – these are not considered recycled Prime - Materials supplied that meet the required specification, ready for processing/ manufacturing Processor - Manufacturing of products ready for market e.g. molders and extruders Retail/Consumer - End user Reclaimer - Local recycling center for consumer goods Post-Consumer Recycle (PCR) - Materials derived from polymers reclaimed at the end of their lifecycle that have been through waste treatment Scrap Parts & Materials - Waste from the manufacturing process that cannot be reused within the same process or sold to the market Waste Treater - Regional industrial waste reclamation center Post-Industrial Recycle (PIR) - Material derived from scrap reclaimed within the manufacturing process that has been through waste treatment PRIME POST- CONSUMER RECYCLE (PCR) WASTE TREATER POST- INDUSTRIAL RECYCLE (PIR) REWORKABLE MATERIAL RETAIL/ CONSUMER RECLAIMER MATERIAL MANUFACTURER SCRAP PARTS & MATERIALS PROCESSOR

1. This includes standards for flame retardant performance to IEC 60332-1, another key characteristic to consider.   How can Avient help?  

1. This includes standards for flame retardant performance to IEC 60332-1, another key characteristic to consider.   How can Avient help?  

1. This includes standards for flame retardant performance to IEC 60332-1, another key characteristic to consider.   How can Avient help?  

With Versaflex HC, on the other hand, injection molding happens in seconds, and does not require curing or washing, thus saving significant time and reducing cost.

AUTOMOTIVE OEM L O W E R E X T E R I O R B U M P E R • Develop a new color for molded-in-color plastics • Create ‘Wow’ effect without chroming or paint • Provide metallic aspect with good UV resistance for exterior part • Developed new “gris megalithe” color for PP (AS1) utilizing Avient Design center • Produced master plaques to showcase new color • Accelerated testing to certify outstanding weathering resistance • Collaborated across the supply chain to optimize metallic effect in the final part Smartbatch™ Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION METALLIC EFFECT + PAINT REPLACEMENT LEARN MORE Copyright © 2023, Avient Corporation.

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. To access Avient’s news library online, please visit www.avient.com/news # # # Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com http://www.avient.com/news 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended September 30, Nine Months Ended September 30, 2022 2021 2022 2021 Sales $ 823.3 $ 818.0 $ 2,606.5 $ 2,508.5 Operating Income 40.6 52.8 242.9 229.6 Net (loss) income from continuing operations attributable to Avient shareholders (27.4) 33.7 99.8 143.3 Basic (loss) earnings per share from continuing operations attributable to Avient shareholders $ (0.30) $ 0.37 $ 1.09 $ 1.57 Diluted (loss) earnings per share from continuing operations attributable to Avient shareholders $ (0.30) $ 0.37 $ 1.08 $ 1.56 Senior management uses comparisons of adjusted net income attributable to Avient shareholders and diluted adjusted earnings per share (EPS) attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

OFF-ROAD VEHICLE MANUFACTURER U N I F I E D S E A T I N G S H E L L • Consolidate parts to reduce manufacturing costs • Maintain performance while replacing metal seating frame with lightweight composite material • High durability to withstand harsh usage environments • Delivered long glass fiber reinforced thermoplastic solution providing metal-like performance with excellent toughness • Lowered component costs with single-piece injection molded seat shell • Utilized global capabilities to meet manufacturing supply chain needs Complēt™ Long Glass Fiber PA66 Composite KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION COST REDUCTION + LIGHTWEIGHTING LEARN MORE Copyright © 2020, Avient Corporation.