AVNT-2023.03.31-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2023 Results • First quarter sales of $846 million in line with guidance • GAAP EPS of $0.23 includes special items primarily related to restructuring costs as detailed in Attachment 3 • Adjusted EPS of $0.63 exceeded guidance of $0.55, driven by better-than-projected margins in both segments • Full year adjusted EBITDA and EPS guidance of $530 million and $2.40, respectively, maintained given present macroeconomic uncertainty • Sustainability Investor Day to be held on September 20th will highlight Avient’s sustainable solutions portfolio and growth opportunities CLEVELAND – May 3, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable solutions, today announced its first quarter 2023 results. To access Avient’s news library online, please visit www.avient.com/news. https://www.avient.com/investors https://edge.media-server.com/mmc/p/xkwywv44 https://www.avient.com/investors https://register.vevent.com/register/BI3163094c31c24a9680e9118cec4f9167 https://www.avient.com/investors/events-presentations https://www.avient.com/news 4 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Microsoft Word - Avient Announces First Quarter 2025 Results 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2025 Results • First quarter sales of $827 million, reflects 2% organic growth over the prior year quarter, excluding the impact of foreign exchange • First quarter GAAP EPS of ($0.22) compared to $0.54 in the prior year quarter • First quarter adjusted EPS of $0.76, in-line with guidance; growth of 4% over the prior year quarter, excluding an unfavorable impact of $0.03 from foreign exchange • 2025 full year adjusted EPS guidance range of $2.70 to $2.94, unchanged from prior guidance CLEVELAND – May 6, 2025 – Avient Corporation (NYSE: AVNT), an innovator of materials solutions, today announced its first quarter results for 2025. EMEA delivered a fourth consecutive quarter of growth, increasing organic sales by 2%. To access Avient’s news library online, please visit www.avient.com/news.

New Rutland™ Evolve™ Bio Plastisol™ Inks from Avient Feature Over 50% Bio-Derived Content for Sustainable Screen Printing To News Center INVESTOR NEWS

Avient Supports Hager Group to Incorporate Recycled Ocean-Bound Plastic in New Waterproof Outdoor Socket and Switch To News Center INVESTOR NEWS

Avient’s new Colorant Chromatics™ PVDF Processing Aids are an excellent choice for wire & cable extrusion To download a high-resolution ima To News Center INVESTOR NEWS

Avient’s new Colorant Chromatics™ PVDF Processing Aids are an excellent choice for wire & cable extrusion To download a high-resolution ima To News Center INVESTOR NEWS

INVESTOR NEWS Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K.

Homepage // News Center // Avient Introduces New Signal-Transparent TPEs to Enable High-Speed 5G Transmission To access Avient’s news library online, please visit www.avient.com/news. Investor News

Homepage // News Center // Avient Supports Hager Group to Incorporate Recycled Ocean-Bound Plastic in New Waterproof Outdoor Socket and Switch To access Avient’s news library online, please visit www.avient.com/news.  Investor News

Homepage // News Center // New Rutland™ Evolve™ Bio Plastisol™ Inks from Avient Feature Over 50% Bio-Derived Content for Sustainable Screen Printing At Avient Specialty Inks, we’re committed to offering innovative screen printing inks that support sustainability objectives without compromising on performance,” said Jake Ojeda, Global Marketing and Sales Director, Avient Specialty Inks. To access Avient's news library online, please visit www.avient.com/news.