About OceanworksOceanworks® is a digital marketplace connecting local recycled plastic supply with global demand to keep plastic out of the ocean. 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

What is Classed as Recycled Content Infographic_Select GLOSSARY OF TERMS POST- CONSUMER RECYCLE (PCR) TRADITIONAL BLACK MASTERBATCH AVIENT ONCOLOR™ IR SORTABLE BLACK MASTER- BATCH RETAIL/ CONSUMER RECLAIMER LANDFILL MATERIAL MANUFACTURER RECYCLE VALUE CHAIN BLACK PACKAGING Material Manufacturer - Raw material suppliers or processors who produce materials ready for manufacturing Masterbatch - A solid or liquid additive used for coloring plastics 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 Landfill - Infrastructure with highly engineered containment systems that act as a safe and permanent repository for waste material that cannot be reused or recycled

Attachment 1 Special items (1): Avient Announces Quarterly Dividend...

Office Supplies Pet Care & Supplies Auto-injectors and Drug Delivery Pens

Office Supplies Pet Care & Supplies Auto-injectors and Drug Delivery Pens

Office Supplies Pet Care & Supplies Auto-injectors and Drug Delivery Pens

Office Supplies Pet Care & Supplies Auto-injectors and Drug Delivery Pens

Office Supplies Pet Care & Supplies Auto-injectors and Drug Delivery Pens

Office Supplies Pet Care & Supplies Auto-injectors and Drug Delivery Pens

Office Supplies Pet Care & Supplies Auto-injectors and Drug Delivery Pens