News Release - AVNT-2023.12.31-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Fourth Quarter and Full Year 2023 Results • Fourth quarter and full year GAAP EPS of $0.30 and $0.83 compared to $(0.19) and $0.90 from continuing operations in the prior year • Fourth quarter and full year adjusted EPS of $0.52 and $2.36 exceeds guidance of $0.47 and $2.30 as a result of favorable sales as well as lower net interest expense • Fourth quarter adjusted EPS increased 24% over the prior year pro forma adjusted EPS primarily driven by improved margins from positive portfolio mix, raw material deflation and cost reduction actions • 2024 full year adjusted EPS expected to range from $2.40 to $2.65 as destocking comes to an end and underlying demand starts to improve CLEVELAND – February 14, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, today announced its fourth quarter and full year results for 2023. See Attachment 3 for a definition and summary of special items. NEWS RELEASE Attachment 1

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. See Attachment 3 for a definition and summary of special items. See Attachment 3 for a definition and summary of special items.

The first two samples show similar tensile performance. The 4- and 6-ply samples in the above graph were loaded in the transverse direction. The 4-ply sample here has similar tensile performance as the 4-ply sample in Figure 1, which is expected because the two samples contain an equal balance of 0- and 90-degree fibers.

AVNT-2021.03.31-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record First Quarter 2021 Results; Increases Full Year Guidance • Organic revenues increased 17% to $1.16 billion driven by strong demand across all segments, with the most significant growth in healthcare and consumer end markets • GAAP EPS from continuing operations of $0.86 compared to $0.38 in the prior year quarter • Adjusted EPS from continuing operations of $0.89 expanded 68% over the prior year of $0.53 with all segments achieving record operating income • Full year adjusted EPS guidance for 2021 increased from $2.40 to $2.80 representing 45% growth over the prior year of $1.93. See Attachment 3 for a definition and summary of special items. See Attachment 3 for a definition and summary of special items.

NYSE: AVNT), a leading provider of specialized and sustainable material solutions, intends to release its first quarter 2022 earnings before the market opens on provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. View original content to download multimedia:https://www.prnewswire.com/news-releases/avient-to-hold-first-quarter-2022-conference-call-301526223.html

NYSE: AVNT), a leading provider of specialized and sustainable material solutions, intends to release its second quarter 2023 earnings before the market opens on NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. View original content to download multimedia:https://www.prnewswire.com/news-releases/avient-to-hold-second-quarter-2023-conference-call-301855940.html

NYSE: AVNT), a leading provider of specialized and sustainable material solutions, intends to release its third quarter 2021 earnings before the market opens on provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. View original content to download multimedia:https://www.prnewswire.com/news-releases/avient-to-hold-third-quarter-2021-conference-call-301394534.html

NYSE: POL) a premier provider of specialized polymer materials, services and solutions, intends to release its fourth quarter 2019 earnings before the market opens on is a premier provider of specialized polymer materials, services and solutions. View original content:http://www.prnewswire.com/news-releases/polyone-to-hold-fourth-quarter-2019-conference-call-300986904.html

NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, intends to release its first quarter 2024 earnings before the market opens on NYSE: AVNT) provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world. View original content to download multimedia:https://www.prnewswire.com/news-releases/avient-to-hold-first-quarter-2024-conference-call-302107515.html

NYSE: POL), a leading provider of specialized and sustainable material solutions, intends to release its second quarter 2020 earnings before the market opens on provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. View original content to download multimedia:http://www.prnewswire.com/news-releases/avient-to-hold-second-quarter-2020-conference-call-301089046.html