Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • disruptions or inefficiencies in our supply chain, logistics, or operations; • changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • fluctuations in raw material prices, quality and supply, and in energy prices and supply; • demand for our products and services; • production outages or material costs associated with scheduled or unscheduled maintenance programs; • unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • information systems failures and cyberattacks; • our ability to service our indebtedness and restrictions on our current and future operations due to our indebtedness; • amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; • other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation, geopolitical conflicts, tariffs, and any recessionary conditions; and • other factors described in our Annual Report on Form 10-K under Item 1A, “Risk Factors.” Avient does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA and Adjusted Earnings Per Share, to the most comparable GAAP financial measures on a forward- looking basis because Avient is unable to provide a meaningful or accurate calculation or estimation of reconciling items, and the information is not available without unreasonable effort.

They provide a proven, effective and durable solution for countering microbe growth in finished plastic parts used in health and wellness applications.

There are growing concerns over the health hazard of PFAS, and a strong push from regulatory bodies and companies to progressively ban them.

Ask for our non-toxic prototype materials for health technology applications, too!

Versaflex™ TF Adhesive Thermoplastic Elastomers (TPEs) for Textile Fabrics As consumers are becoming more health- conscious, there’s a steady increase in the demand for functional, lightweight, and comfortable fitness clothing that is also visually appealing.

At our 2021 Investor Day, we will take a deeper dive into our how we create value for our stakeholders.

Excelite IM Chemical Foaming Additives: • The only patented liquid CFA in North America and Europe • Supported with customized dosing equipment and technical assistance • Typically contains 70% active CFA content, dispersed in proprietary liquid vehicles LIQUID CFAs PROVIDE A TOP TIER-1 MOLDER WITH A CONSISTENT SOLUTION © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 Interested in learning about how Avient can help your business?

The result of a partnership between SICPA and Avient, PLASTIWARD is a prime example of how we enable our customers to focus on their core business as we implement security features— without disrupting their supply chain—at the core of their product. 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation.

CASE STUDY: POLYSTRAND™ THERMOPLASTIC COMPOSITES THERMOPLASTIC COMPOSITES REDUCE WEIGHT, ADD STRENGTH TO INDUSTRY-FIRST SNOWBOARD BINDINGS Discover how Polystrand™ continuous fiber reinforced thermoplastics can add lightweight strength and durability to your application.

How to register to the Coupa Supplier Portal (CSP) Suppliers Guide For first time Coupa users Registration via email invitation ➢ If you are new to the CSP, you will receive an e-mail from our Coupa system with a unique link to join the Coupa Supplier Portal. ➢ Please remember- any supplier can register to the CSP, however, for transactions to flow between Avient and yourself, we need to send an invitation. o The subject of the email will be: Avient Corporation Registration Instructions - Action Required and will come from the email address: do_not_reply@supplier.coupahost.com ➢ Once you click on the Join Coupa button, you will be directed to the CSP to register your account. ➢ If you click on the Join Coupa button you will be activating your account and completing the registration.