Sustainability TPEs alleviate the need to wash end products as is required with vulcanized rubber. They may enable you to bolster your sustainability profile by removing potentially harmful chemicals from your process.

Lower Maintenance and Resistant to Pests Also contributing to lower lifecycle cost, composite poles require only visual inspection and will not sustain damage from woodpeckers and insects, reducing maintenance and repair costs. ABOUT AVIENT Avient Corporation (NYSE: AVNT) is a global provider of specialized and sustainable materials solutions, with 9,300 employees and a revenue of approx. $3.1 billion.

COLOR COMPLIANCE REGULATORY ADVICE AND DOCUMENTATION COLOR SUSTAINABILITY Reducing carbon footprint in the way that a colorant is formulated and processed has become an increasing priority for plastics processors. These can be considered as Avient sustainable solutions. To learn more, visit the Sustainability page on avient.com. 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation.

COLOR COMPLIANCE REGULATORY ADVICE AND DOCUMENTATION COLOR SUSTAINABILITY Reducing carbon footprint in the way that a colorant is formulated and processed has become an increasing priority for plastics processors. These can be considered as Avient sustainable solutions. To learn more, visit the Sustainability page on avient.com. 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  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 financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  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;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.  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. Appendix Q3 2014 Financial Highlights At a Glance�Global Color, Additives and Inks At a Glance�Global Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Commitment to Operational Excellence Application Examples Slide Number 28 Anti-Counterfeiting Solutions 2012 Range Rover Evoque Interior Slide Number 31 Metal Replacement Solutions Next Generation Solar Charger High-Barrier Packaging Containers Aerospace Applications Non GAAP Rec - 11 5 14.pdf Sidoti & Company non-GAAP Rec

Avient Supplier Code of Conduct Avient Corporation and its subsidiaries and affiliates ("Avient'') are committed to being a world-class, sustainable organization. Our unique position in the supply chain allows us to work with suppliers to innovate materials solutions to help our customers succeed, while enabling a sustainable world.

Avient Corporation, a premier provider of specialised and sustainable material solutions and services, has invested in testing equipment, personnel, and software to help its customers gain insight into its unique material solutions and how they perform. Our technologies are shaping production and people‑related ecosystems to become increasingly connected and autonomous – ensuring a scalable, sustainable future.

With a focus upon sustainability Avient has focused its additive technology development on mono-layer PET. PRODUCT BULLETIN LEGISLATION & TARIFFS As the packaging industry seeks to align with global sustainability trends, many new legislative changes surrounding single use plastic packaging can be observed.

Energy: o Diesel Fuel Consumption: 2,868,323 kWh o Natural Gas Fuel Consumption: 178,696,287 kWh o Renewable Energy Consumed - Self Generated (solar): 681,059 kWh o Renewable Energy Consumed - Self Generated (Wind): 2,385,048 kWh o Grid Electricity Consumed: 409,650,679 kWh o Renewable Energy Credits (REC) Purchased: 112,413,420 kWh o Renewable Electricity Consumed – Offsite: 138,415,253 kWh Page 2 Period covered by GHG emissions verification: • January 1, 2023 to December 31, 2023 Global Warming Potential (GWP) and emission factor data sets: • IPCC GWP: AR6 • USEPA Emission Factor Hub, released 2024 • USEPA eGRID, released 2024 • Final Rule (40 CFR 98) - Industrial Sector 2013 • DEFRA, released 2023 • IEA, released 2023 • European Residual Mix, released 2022 v2.0 GHG Reporting Protocols against which verification was conducted: • World Resources Institute (WRI)/World Business Council for Sustainable Development (WBCSD) Greenhouse Gas Protocol, Corporate Accounting and Reporting Standard, Revised Edition (Scope 1 and 2) and the GHG Protocol Scope 2 Guidance, an amendment to the GHG Protocol Corporate Standard • WRI/WBCSD Corporate Value Chain (Scope 3) Accounting and Reporting Standard Verification Protocols used to conduct the verification: • ISO 14064-3 Second Edition 2019-04: Greenhouse gases - Part 3: Specification with guidance for the verification and validation of greenhouse gas statements • Apex’s standard procedures and guidelines for external Assurance of Sustainability Reports and International Standard on Assurance Engagements (ISAE) 3000 Revised, Assurance Engagements Other than Audits or Reviews of Historical Financial Information (effective for assurance reports dated on or after Dec. 15, 2015), issued by the International Auditing and Assurance Standards Board.

AVNT-2022.03.31-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2022 Results in Connection with Announcement to Acquire DSM Protective Materials (Dyneema®) • First quarter sales grew to $1.3 billion, an 11% increase over the prior year • GAAP EPS increased to $0.91 from $0.86 in the prior year first quarter • Adjusted EPS increased 11% to $0.99 compared to $0.89 in the prior year first quarter, exceeding first quarter guidance of $0.95 • Second quarter adjusted EPS guidance of $0.92 introduced with full year adjusted EPS expectation maintained at $3.50 (excluding the impact of the acquisition) • Full year free cash flow now expected to approximate $285 million, an increase of $35 million from prior estimates CLEVELAND – April 20, 2022 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today announced its first quarter 2022 results. About Avient Avient Corporation (NYSE: AVNT), with 2021 revenues of $4.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 8,700 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.