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, 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.

Equipment Benefi t Scanning Electron Microscopy with Energy Dispersive X-ray System Capability to look at material and property defects at the most detailed level with magnifi cation up to 800,000x Digital Optical Microscope Ability to non-destructively capture fully-focused images with a depth-of-fi eld 20x larger than conventional microscopes Microwave Sample Digestion System Aids in sample preparation for heavy metal analysis Mechanical Spectrometer Estimates how a medical device will structurally perform when subjected to the load within a human body Differential Scanning Calorimeter Analyzes the transition temperatures of materials and also determines the purity of the materials to predict likelihood of defects Chromatography Accessories Facilitates compositional analysis of materials and devices as well as the ability to analyze extractables Copyright © 2011, Polymer Diagnostics Inc. We’ll tell you how your product will perform—and why Our experts work hand-in-hand with your technical staff to answer the most diffi cult questions—Why did your product fail? We’ll tell you how your product will perform—and why Our experts work hand-in-hand with your technical staff to answer the most diffi cult questions—Why did your product fail?

GLOBAL FRIDGE MANUFACTURER R E F R I G E R A T O R B A S E • Provide 5VA flame retardant rating • Utilize existing molds • Keep the same mechanical and physical properties as current material • Dimensional stability – limit shrinkage of final part • High strength – bearing the weight of the whole fridge • Maintain or reduce weight • Expedited development time, providing solutions ready for testing within a week • Enabled first time approval through close customer collaboration • Provided excellent in person support to both customer and moulder throughout trials • Gave technical advice on how to adjust processing parameters, enabling the use of existing molds with the new material Maxxam™ FR Flame Retardant Formulations KEY REQUIREMENTS WHY AVIENT?

Learn how Southern States Supplier used GlasArmor™ ballistic panels to protect electrical substations Learn how composite springs provide flexibility in prosthetic performance and design Read how long fiber composites helped Piranha Propellers add toughness and design flexibility

Learn how Colorant Chromatics™ Evoluscend™ provides seamless production and color stability for medical connector Learn how virtual capabilities can improve performance. Discover how Colorant Chromatics™ is transforming dental equipment with their Transcend™ pre-colored solutions

Learn how Colorant Chromatics™ Evoluscend™ provides seamless production and color stability for medical connector Learn how virtual capabilities can improve performance. Discover how Colorant Chromatics™ is transforming dental equipment with their Transcend™ pre-colored solutions

Learn how Therma-Tech material makes the difference in automotive adas sensors, cameras and ECUs How to Improve PET Packaging for UV-Sensitive Beverages - White Paper Explore how replacing metal with vinyl materials can shine a light on value. 

Discover how our polymer colorants and additives can bring healthcare to life. Learn how you can help reduce employee stress at the PVC pipe production job site by using liquid color and dosing equipment How using liquid colorant can give PVC pipe manufacturers greater control over their production environment

Discover how our polymer colorants and additives can bring healthcare to life. Learn how you can help reduce employee stress at the PVC pipe production job site by using liquid color and dosing equipment How using liquid colorant can give PVC pipe manufacturers greater control over their production environment

Find out how Avient helped L'Oréal achieve color consistency across their global PCR packaging with the PCR Color Prediction Service. Find out how part design can reduce stress in molded plastic parts and improve ESCR in your products Learn how composite springs provide flexibility in prosthetic performance and design