They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. PolyOne Corporation Page 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Senior management uses operating income excluding special items, adjusted EPS, and working capital to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and that current levels may serve as a base for future performance.

Avient includes in its Code of Conduct and Supplier Code of Conduct internal accountability standards related to slaver y and human trafficking to which all employees, agents and consultants are required to adhere. This tool encourages investments in low-carbon & carbon-free technologies while increasing the visibility of, and encouraging accountability for, the impact of carbon emissions on the business. Our waste management approach adds value by reducing the risk of environmental harm, as well as costs associated with waste management.

SHEET PRODUCERS RAW MATERIAL SUPPLIERS PET BOTTLE PRODUCERS PET PREFORM PRODUCERS THERMOFORMERS BRANDOWNERS RETAILERS CONSUMERS LOCAL WASTE MANAGEMENT SORTING COMPANIES RECYCLING COMPANIES REGULATION BODIES NIAS COMPLIANT Why is PET so Popular? Market Size and Drivers In 2020, the global rPET market was valued at $8.56 billion with Asia Pacific as the largest regional market, accounting for over 45% revenue share. PET Types Clear PET—Clear PET accounted for over 76% of the revenue share in 2020 and is expected to continue as the market leader.

Every Avient associate is accountable for these objectives, which is why we have aligned 20% of our 2022 annual incentive plan with ESG metrics (see details on page 5). For 2022 we have added ESG performance metrics, which now account for 20% of our associates’ Annual Incentive Plan. We know that this will take a lot of work and since 2050 is just around the corner, rapid action and accountability is needed.

While this group sets and monitors performance against management system standards, the full operational accountability lies within each PolyOne Business Unit and operating site. To ensure performance expectations are met, each site has management personnel to manage their EHS&S systems. It sets the objectives for the Company, and holds management accountable for achieving our strategy.

We’re proud to work with an industry leader like Resia and to bring our thermoplastic composite materials to the modular construction market,” said Mike Mosley, General Manager of Advanced Composites at Avient. Mitch Sklar from Resia and Vincent Armstrong, Business Development Manager at Avient, will present a breakout session, “Applying Automotive Industry Approaches to Commercial Modular Construction,” on Wednesday, April 9, at 11:30 a.m.  About Resia Resia is an award-winning, vertically integrated real estate company that specializes in developing, building, and managing multifamily communities across the United States.

Giles Branthwaite, Strategic Project Manager, PolyOne ColorMatrix: “Accelerating Color Development and Supply With an Innovative Liquid Color System” Victoria Sayer, Global Regulatory Manager, PolyOne ColorMatrix: “Achieving Global Clearance for New Food Contact Plastic Additives” and “Addressing Exposure and Toxicity in Meeting EU Regulation 10/2011 Requirements” Media contact Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Select the correct colorants to manage warpage and dimensional stability Consider additives that help manage recrystallization and cooling in the tooling   Use additive and process technologies to manage odors

The Product Safety Code drives continual improvements in hazardous risk assessments, Safety Data Sheet (SDS) communications and chemical inventory management.   This commitment to monitoring and managing these business activities is demonstrated through our Global Chemical Management Policy. Identification of Substances of Concern – As part of the management and monitoring of Global Chemical Control Laws;  Product Stewardship pays close attention to those regulatory lists that identify hazardous substances (Human health and Environmental) of concern.  

These are supported by laboratory facilities as well as technical and commercial teams that are thoroughly trained in risk assessment and change management, according to global MEVOPUR standards. The goal behind the MEVOPUR concept is to help customers navigate more easily through a changing regulatory landscape,” explains Volker Dickfeld, global marketing manager Healthcare. Media contact Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation michelle.maniscalco@avient.com