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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; including recessionary conditions • The current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows • Changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; • 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 raise or sustain prices for products or services; • 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; • The ability to obtain required regulatory approvals and otherwise consummate the proposed sales of the Distribution business; and • 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 and any recessionary conditions Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures.

AVNT-2023.06.30-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2023 Results • GAAP EPS of $0.24 includes special items and amortization expense • Adjusted EPS of $0.63 exceeded guidance of $0.60, driven by better-than-projected margins in both segments • Full year adjusted EPS guidance of $2.40 maintained reflecting continued weak demand conditions, offset by adjusted EBITDA margins expected to increase from 15.6% to 16.0% for the year • Most recent Sustainability Report published, highlighting the company’s progress on ESG initiatives focused on People, Products, Planet and Performance • Sustainability Day for investors to be held on September 20th will focus on Avient’s sustainable solutions portfolio and the demand trends that will drive long-term growth CLEVELAND – July 27, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable solutions, today announced its second quarter 2023 results. Compared to our prior adjusted EPS expectations, raw material deflation as well as improving mix from composites and sustainable solutions positively impacted the quarter and more than offset weaker demand conditions.” 2 “Sequentially, we’ve seen modest improvement in Asia, but demand across other regions remains sluggish, particularly in Europe, as consumers remain cautious with continued inflation and rising interest rates,” Mr. We are looking forward to sharing how and where our material science is helping customers achieve their sustainability goals and the megatrends that are underpinning the future growth of our sustainable solutions portfolio.”

GEORGE INGLIS Vice President, Corporate Controller George Inglis is Vice President, Corporate Controller of Avient Corporation, a premier provider of specialized and sustainable material solutions and services.

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