July 10, 2025 Jul 10, 2025

CLEVELAND – June 10, 2021 – Avient today announced the launch of a new special-effect masterbatch package that enables production of natural-looki Jul 10, 2025

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; 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; our ability to achieve strategic objectives and successfully integrate acquisitions, including the implementation of a cloud-based enterprise resource planning system, S/4HANA; 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 for the year ended You are advised, however, to consult any further disclosures we make on related subjects in our reports on Forms 10-Q, 8-K, and 10-K filed with the

Specific continuous-fiber thermoplastic technologies include: •    Multi-axial and multilayer tapes, laminates and sheets up to 10’ wide •    Sandwich panels in unlimited lengths, up to 6” thick and 10’ wide •    High volume production capacity Jul 10, 2025

December 10, 2020 MILAN – December 10, 2020 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced that Avient ColorWorks™ has launched ColorForward™ 2022. Jul 10, 2025

Avient IR Presentation - Goldman Sachs and Morgan Stanley Conferences - 10/5/2020 to 10/7/2020 PolyOne Investor Day Presentation - 5/10/2018 PolyOne IR Presentation - KeyBanc - 9/10/13 - w Non GAAP

Avient IR Presentation - Goldman Sachs and Morgan Stanley Conferences - 10/5/2020 to 10/7/2020 PolyOne Investor Day Presentation - 5/10/2018 PolyOne IR Presentation - KeyBanc - 9/10/13 - w Non GAAP

Avient IR Presentation - Goldman Sachs and Morgan Stanley Conferences - 10/5/2020 to 10/7/2020 PolyOne Investor Day Presentation - 5/10/2018 PolyOne IR Presentation - KeyBanc - 9/10/13 - w Non GAAP

June 10, 2019 June 10, 2019 You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the

Aliphatic polyketone, often referred to as just polyketone or PK, is a semi-crystalline engineering resin that is an alternating copolymer of carbon monoxide and ethylene with some propylene (1–10%). Avient also soak-tested its performance against other chemicals including 10% hydrochloric acid, 10% calcium chloride, antifreeze, 10% ammonium hydroxide, 12% sodium hypochlorite (bleach), and ethanol.