Microsoft PowerPoint - Avient February IR Meetings AVIENT CORPORATION (NYSE: AVNT) F E B R U A R Y 1 7 - 1 8 , 2 0 2 1 I N V E S T O R M E E T I N G S H O S T E D B Y G O L D M A N S A C H S A N D M O R G A N S T A N L E Y DISCLAIMER Forward-Looking Statements In this presentation, 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. Whether it’s an ambitious start-up bringing a new product to market, or a large, multi- national OEM looking for consistency and reliability of global supply, Avient is built for long-term partnerships. Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”).

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation. Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,135 $51 $84 $212 $645 $108 $113 $231 $230 $265 $358 $726 $725 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards ESG Ratings Performance 1 4 87th 94th percentile 5 Avient CDP Score: A- FE BRUARY 14 , 2024 W E BCAS T P RE S E N TAT I O N DR.

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Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Continue fostering our Great Place to Work® culture Strategic ObjectivesStrategic Objectives Long Term Growth Rates Growth DriversGrowth Drivers $340 $455 $790 $1,135 $51 $84 $212 $645 $108 $113 $231 $230 $265 $358 $726 $725 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable GrowthProfitable Growth Great Place to WorkGreat Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards ESG Ratings Performance 1 87th 94th percentile 5 Avient CDP Score: A- M AY 7 , 2024 W EB CAS T P RE SE N TATI O N 7 REGIONAL DEMAND TRENDS-TOTAL COMPANY Q 1 S A L E S V S P Y ( E X C L U D I N G F X ) 7 +2% -6% Flat +2% Avient ex. FX -1.5% FX -0.5% Total Avient -2.0% Q 1 2024 R ES U LT S Q1 2024 PERFORMANCE VS.

Avient Design for Circularity This is where Avient’s sustainable material science solutions come into the picture. Sources: 1)    https://verpackungsgesetz-info.de/wp-content/uploads/2021/06/twopager-packaging-amendment-1.pdf 2)    https://ec.europa.eu/commission/presscorner/detail/en/IP_18_3846 3)    https://verpackungsgesetz-info.de/en/#verpackungsgesetz

Avient Design for Circularity This is where Avient’s sustainable material science solutions come into the picture. Sources: 1)    https://verpackungsgesetz-info.de/wp-content/uploads/2021/06/twopager-packaging-amendment-1.pdf 2)    https://ec.europa.eu/commission/presscorner/detail/en/IP_18_3846 3)    https://verpackungsgesetz-info.de/en/#verpackungsgesetz

Avient Design for Circularity This is where Avient’s sustainable material science solutions come into the picture. Sources: 1)    https://verpackungsgesetz-info.de/wp-content/uploads/2021/06/twopager-packaging-amendment-1.pdf 2)    https://ec.europa.eu/commission/presscorner/detail/en/IP_18_3846 3)    https://verpackungsgesetz-info.de/en/#verpackungsgesetz

The world’s strongest fiber™ Dyneema® HB330, HB332 Advanced hard ballistic unidirectional materials for personal and vehicle armor Unmatched ballistic protection Maximum V50 ballistic performance to stop high-velocity threats Outstanding thermal behavior Retains performance in extreme conditions Ultra-light strength Lightest solution without compromising protection Defense: enabling up to compared to Dyneema® gen-2 materials currently used 20% weight savings Law enforcement: enabling up to compared to Dyneema® gen-1 materials currently used 45% weight savings Q4 2024 Copyright © . 2025 8 Q4 2024 performance vs guidance • Adjusted EBITDA of $110M includes unfavorable FX of $2M 110 Guidance Actual RANGE 109 114 Adj. Avient Q4 2024 performance vs. Color, Additives & Inks END MARKETS REGIONS 34% 21% 15% 11% 8% Packaging Telecom 1%Energy 1% 34% US & Canada Latin America Europe, Middle East Construction 21Copyright © .

Added Palm, “By working with Citroën and its Tier I suppliers, we were able to develop an advanced solution that provides the panels with uniform, attractive, and durable color despite exposure to sunlight, heat, and detergents. Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K.