Forward-looking statements give current expectations or forecasts of future events and are not guarantees of future performance. In particular, these include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022.

Working in conjunction with the University of Michigan and a team of scientists and engineers, Rapid Oxygen CEO and founder Richard Imbruce, Ph.D., developed the R15 to deliver 15 minutes of 100% humidified oxygen at 6 liters per minute. Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Forward-looking statements give current expectations or forecasts of future events and are not guarantees of future performance. In particular, these include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022.

Forward-looking statements give current expectations or forecasts of future events and are not guarantees of future performance.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. 1) Special items are a non-GAAP financial measure and are used to determine adjusted earnings.

The company noted that GAAP EPS includes $0.24 of special items (see Attachment 3) and $0.16 of intangible amortization expense (see Attachment 1). Forward-looking statements give current expectations or forecasts of future events and are not guarantees of future performance. Any forward-looking statement speaks only as of the date on which such statement is made, and we undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise.

W A X M A T ® G R I P T A P E • Provide alternative material to traditional wax and EVA foam for grip on surfboards • Translucent appearance • Coextrude with polypropylene (PP) film • Excellent UV resistance • Customized formulation for exceptional hydrophobic grip and non-abrasive finish • Incorporated specialty additives to enhance UV resistance and inhibit mold growth • Solved technical processing challenges to achieve efficient coextrusion of materials and achieve optimal bonding to adhesive backing • Enabled customer to achieve market differentiation and expand into new markets and applications Custom GLS™ TPE Wet Grip Formulation KEY REQUIREMENTS WHY AVIENT?

Forward-looking statements give current expectations or forecasts of future events and are not guarantees of future performance.  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. 1) Special items are a non-GAAP financial measure and are used to determine adjusted earnings.

In the near- and medium-term future, the probability of this risk impacting Avient is low. We collect regional data on air travel, car rental, and hotel stays and apply DEFRA emission factors. Most sites send water back to the municipality.

Forward-looking statements give current expectations or forecasts of future events and are not guarantees of future performance. We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”).

University of Texas Investor Relations Contact: 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