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.” All Rights Reserved 2025 9 Regional manufacturing capabilities and supply chains help us serve our customers locally Global reach with a local touch Sales exposure $100M ~3% LESS THAN Raw materials exposure $100M ~7.5% LESS THAN Tariff exposure 2025 guidance Copyright © . EPS – Q2 2025 $0.79 2025 financial guidance unchanged... ▲ U.S. consumer sentiment and GDP growth stays robust ▲ China trade war and tariffs de-escalate ▲ European economy improves due to increased infrastructure spend ▲ Continued strength in defense and healthcare markets ▼ Global trade uncertainty / volatility ▼ Persistent inflation and slowdown in global economies ▼ Supply chain disruptions resulting from global trade policy changes ▼ FX volatility ACCELERATORS DECELERATORS 13Copyright © .

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.” All Rights Reserved 2025 9 Regional manufacturing capabilities and supply chains help us serve our customers locally Global reach with a local touch Sales exposure $100M ~3% LESS THAN Raw materials exposure $100M ~7.5% LESS THAN Tariff exposure 2025 guidance Copyright © . EPS – Q2 2025 $0.79 2025 financial guidance unchanged... ▲ U.S. consumer sentiment and GDP growth stays robust ▲ China trade war and tariffs de-escalate ▲ European economy improves due to increased infrastructure spend ▲ Continued strength in defense and healthcare markets ▼ Global trade uncertainty / volatility ▼ Persistent inflation and slowdown in global economies ▼ Supply chain disruptions resulting from global trade policy changes ▼ FX volatility ACCELERATORS DECELERATORS 13Copyright © .

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.

Nicolas served as Chief Supply Chain Officer at HP. Nicolas’ experiences in supply chain and enterprise operations at a large technology company and a large industrial company provide valuable insights into issues impacting our integrated supply chain. Nicolas has a deep understanding of supply chain planning, strategic sourcing, manufacturing operations, logistics, customer care, and enterprise quality, and we believe that this can assist Avient’s supply chain leadership.

Francisco Nakasato, Bairro São Roque das Chaves 1700 Itupeva SP 13295-000 Brazil Avient Belgium SA Design and manufacture of color and additive concentrates, thermoplastic resins and specialty compounds Rue Melville Wilson 2, B-5330 Assesse, Belgium Magna Colours Limited The design, manufacture and distribution of specialty colouration products and chemical auxiliaries for us in the textile, dying, printing and finishing industries.

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.” Moving up the value chain, and expanding addressable market size by providing materials solutions in select and prioritized areas Copyright © .

Compliance with Laws and Avient Supplier Code of Conduct 12.1 Avient is a member of two supply chain security programs: U.S. For all Goods supplied to the U.S. and/or Canada, Supplier shall comply with CTPAT supply chain security guidelines. Supplier shall complete annual online assessments for CTPAT compliance and to correct any deficiencies in supply chain security identified by either an online assessment or on- site audit.

SOURCE: https://www.sourcetoday.com/supply-chain/article/21142961/four-challenges-standing-in-the-way- of-a-circular-economy Report According to the 2021 Circularity Gap Report, our global economy is only 8.6% circular. Solutions that Support the Circular Economy REDUCED ENERGY USE CESA™ Dry Additives CESA™ Release Additives OnCap™ CTR Process Optimization ColorMatrix™ Joule™ & Smartheat™ Infrared Absorber Specialty Low Cure Inks SiteCool™ Infrared Absorption Technologies BIO-DERIVED CONTENT reSound™ OM Bio-Derived Thermoplastic Elastomers reFlex™ Bio-Derived Plasticizer OnCap™ Bio Additives OnColor™ Bio Colorants reSound™ Natural Fiber Reinforced Formulations LIGHTWEIGHTING Glasforms™ Pultrusion Technologies Polystrand™ Continuous Fiber Composites IMPROVED RECYCABILITY CESA™ IR Black Additives CESA™ Extend Additives ColorMatrix™ Lactra™ SX Light Blocking Additive for PET ColorMatrix™ Ultimate™ UV Light Barrier ColorMatrix™ Capture™ Oxygen Scavenger for PET ColorMatrix™ Triple A™ Acetaldehyde Scavenging Additives ColorMatrix™ Reprize™ IV Builder for PET OnColor™ IR Sortable Black for Recyclable Packaging Bergadur™ Post-Industrial Recycled Content Polyester Formulations Nymax™ PIR Post-Industrial Recycled Nylon Formulations Maxxam™ FR Flame Retardant Polyolefin Formulations Predictions Gartner predicts circular economies will replace linear economies in 10 years, noting that supply chain leaders must adapt to circular models in order to keep up in a marketplace with a growing emphasis on sustainability.

José Garibaldi 2401 1832 Lomas de Zamora Argentina Avient Austria GmbH Administration Alfred Feierfeilstraße 3 2380 Perchtoldsdorf Austria Avient Colorants Belgium SA Site management, CSD – Customer Services, Manufacture, Laboratory, Supply Chain Management, Maintenance, Infrastructure, Warehouse and Transport Parc Scientifique Fleming, Fond Jean Pâques 1 1348 Louvain-la-Neuve Belgium Avient Colorants Brasil Ltda. Administration, Site Management, Manufacture, Laboratory, Procurement, Supply Chain Management, Engineering and Maintenance, Infrastructure, Warehouse and Transport C/Carretera.

PROHIBITED USES OF INFORMATION SYSTEMS Users shall not use Avient Information Systems for any of the following prohibited uses: • Any activity prohibited by applicable law; • Violating Avient Ethics and Corporate Policies; • Infringing on the intellectual property rights of another individual or company; • Soliciting for activities or products unrelated to Avient’s business interests in furtherance of an independent business; • Improper or unauthorized use of email and email distribution lists, including mass or unsolicited emails (such as chain letters) and forging email header information or signatures; • Exporting, transferring, downloading, copying, or saving Confidential Data or Information Systems to non-approved devices or locations; • Intentionally introducing security threats to Information Systems or effecting a Cyber or Data Incident; or • Engaging in any other activity similar to the above that, in Avient’s reasonable judgment, is disruptive to or not in the best interests of its business.