HCC-103070 B-WHITE STAN-TONE HCC-103073 B- LINEN STAN-TONE HCC-103074 B-ALMOND

B-304 (PPR-17) B-319 BLUE B-543 (PP17)

Form 24 Form W-9 Form W-9

At Avient, governance forms the cornerstone of our dedication to sustainability and responsible business practices.

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. It’s in this spirit that we joined legacy PolyOne and the Clariant Masterbatch business, two complementary businesses, and formed a new one that we’ve named Avient. WHAT WE DO: MATERIAL SCIENCE 5 CUSTOM FORMULATION We sell solutions not commodities.

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. It’s in this spirit that we joined legacy PolyOne and the Clariant Masterbatch business, two complementary businesses, and formed a new one that we’ve named Avient. WHAT WE DO: MATERIAL SCIENCE 6 CUSTOM FORMULATION We sell solutions not commodities.

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. It’s in this spirit that we joined legacy PolyOne and the Clariant Masterbatch business, two complementary businesses, and formed a new one that we’ve named Avient. WHAT WE DO: MATERIAL SCIENCE 6 CUSTOM FORMULATION We sell solutions not commodities.

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

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Form Fill Seal Yogurt Packaging Thermoform sheet for Form-Fill-Seal (FFS) dairy applications Custom pre-formed thermoform containers