Sustainability Spotlight Hydrocerol™ Chemical Foaming Agents Reflection electron microscopy (REM) view of foamed plastic Hydrocerol Chemical Foaming Agents are supplied as concentrates CHEMICAL FOAMING AGENTS (CFAs) are chemical substances that react under the influence of heat to release gas into the plastic matrix during the manufacturing process of plastic parts. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation. Avient reflects 2023 adjusted EBITDA guidance of $530M and estimated run-rate CAPEX of $110M. Avient Specialty Other Specialty / 2023E(%) 31 79 87 81 79 76 73 90 77 76 75 73 64 59 33 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.89.

Although both properties reflect how the product feels in the customer's hands, flexural modulus measures the resistance to bending, while hardness measures the resistance to indentation.

Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principal or discontinued operations.

Although both properties reflect how the product feels in the customer's hands, flexural modulus measures the resistance to bending, while hardness measures the resistance to indentation.

Do note that LSR is generally more capable of reflecting a nuanced mold texture than thermoplastic elastomers because silicone rubbers exhibit a low viscosity that allows it to flow more easily across the entire mold and into complex geometries.

Do note that LSR is generally more capable of reflecting a nuanced mold texture than thermoplastic elastomers because silicone rubbers exhibit a low viscosity that allows it to flow more easily across the entire mold and into complex geometries.

Do note that LSR is generally more capable of reflecting a nuanced mold texture than thermoplastic elastomers because silicone rubbers exhibit a low viscosity that allows it to flow more easily across the entire mold and into complex geometries.

Do note that LSR is generally more capable of reflecting a nuanced mold texture than thermoplastic elastomers because silicone rubbers exhibit a low viscosity that allows it to flow more easily across the entire mold and into complex geometries.

AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.