Microsoft Word - AVNT-2024.06.30-News Release (for PR) 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2024 Results • Second quarter sales grew to $850 million, a 3% increase over the prior year quarter and a 5% organic increase when excluding the impact of foreign exchange • Second quarter GAAP EPS from continuing operations of $0.36 compared to $0.24 in the prior year quarter • Second quarter adjusted EPS of $0.76 exceeded guidance of $0.71 and increased 21% over prior year quarter, driven by organic revenue growth in all regions, favorable input costs and lower interest expense • Increasing 2024 full-year adjusted EPS guidance range to $2.55 to $2.70, from prior guidance of $2.50 to $2.65 given strong second quarter results; Revised guidance reflects 8% to 14% growth in adjusted EPS over the prior year • 2023 Sustainability Report published online, detailing progress toward 2030 Sustainability Goals and ESG performance ratings • Investor Day to be held December 4th in New York City to highlight the company strategy CLEVELAND – August 6, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, today announced its second quarter 2024 results. I look forward to sharing more details in our third quarter earnings call and at our upcoming investor day in New York City on December 4th." 3 Sustainability Report Release The company also announced the release of its latest Sustainability Report, now available at www.avient.com/sustainability. For more information, visit https://www.avient.com/. 5 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995.

ROOF MANUFACTURER A R C H I T E C T U R A L R O O F I N G • Remove brominated, antimony oxide, or halogenated flame retardants (FR) from the manufacturing environment and provide an option for fire safety protection to construction markets that have banned halogen FR • Achieve non-compromising performance in impact, dimensional stability, and E84 (Class A, B, C) testing • Maintain color and aesthetics in harsh sun exposure • Provided a non-halogen FR solution that met the customer’s sustainability and fire safety requirements • Delivered optimal performance in the final product and fully passed necessary fire testing • Offered a Smartbatch Combination Colorant & Additive solution with FR that provided optimal color stability Cesa MAX Flame Retardant Additives KEY REQUIREMENTS WHY AVIENT? All Rights Reserved. https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-flame-retardant-additives Slide 1: Roof manufacturer

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Microsoft Word - Final - 7.29 1158am AVNT-2021.06.30-News Release (002) 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Second Quarter 2021 Results, Increases Full Year Guidance • GAAP EPS from continuing operations increased to $0.74 from $0.25 in the prior year quarter • Sales increased 42% to $1.235 billion and adjusted EPS increased 107% to $0.87 driven by very strong demand conditions in nearly all end markets • Full year adjusted EPS guidance for 2021 increased from $2.80 to $3.00, representing 55% growth over the prior year adjusted EPS of $1.93 • Investor Day to be held December 9th in New York City will highlight sustainable solutions portfolio and innovation to drive future growth CLEVELAND – July 30, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its second quarter results for 2021. A recording of the webcast and the slide presentation will be available at avient.com/investors. For more information, visit www.avient.com. # # # 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.