Attachment 1 Special items (1) 1)

CLEVELAND – June 15, 2022 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced expansion of its portfolio of Complēt™ REC long fiber reinforced composites using recycled resin. When used in metal replacement applications, they can help customers achieve significant weight reductions along with the time and cost-saving benefits of single-step injection molding fabrication. Avient Announces Quarterly Dividend...

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Avient can help. Collaborate with Avient and see what a positive difference the right polymer supplier can make. Office Supplies

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. Purchase price multiple rapidly declining on strength of business and synergy capture (1) (1) (1) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition ($ in millions) 13 SEM CAI Avient • Composites and Outdoor High Performance applications drove positive mix within SEM • Clariant Masterbatch synergy realization under way and expected to drive further margin expansion in 2021 • Portfolio transformation to high growth end markets with focus on sustainable solutions megatrend 10.1% 11.8% 2019PF 2020 (1) (1) EBITDA MARGIN EXPANSION Distribution 6.3% 6.0% 15.2% 17.6% 11.1% 12.1% 2019PF 2020PF 14.5% 19.8% 13.5% 16.1% 6.4% 6.3% 15.2% 16.2% (1) (1) Full YearQ4 (2) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (2) Total company reflects adjusted EBITDA margins SPOTLIGHT: COMPOSITES 14 • SEM delivers a record year in 2020 – 13% operating income growth and over 200 bps in margin expansion year-over-year • Prior investments in composites platform and outdoor high performance applications paying off, resulting in substantial growth over the last two years SEM Operating Income (OI % of Sales) ($ in millions) $(0.1) $(1.0) $2.2 $19.1 $26.8 2016 2017 2018 2019 2020 Composites Performance (Operating Income) $83.7 $94.4 2019 2020 (11.2%) (13.3%) 0.1 0.1 0.2 0.5 0.6 0.7 0.8 0.9 0.9 1.0 11 12 13 14 15 16 17 18 19 20 $19 $160 $338 2011 2019 2020 0.16 0.20 0.26 0.34 0.42 0.50 0.58 0.72 0.79 0.81 0.85 11 12 13 14 15 16 17 18 19 20 21E FREE CASH FLOW AND CAPITAL ALLOCATION 15 Free Cash Flow Dividends Share Repurchases Deleveraging 3.5x 2.7x 2019PF 2020PF Growing Dividend Cumulative Buybacks Net Leverage $ B n $ p e r sh a re Cash Generation (1) (1) ~$1Bn REPURCHASED OVER LAST 10 YEARS ~$350MM PAID OVER LAST 10 YEARS ~$338MM 2.7x NET LEVERAGE (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition GREAT PLACE TO WORK! Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”).

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The market requirements for colored, high-performance polymers are clear: you have to react quickly and also be able to supply various volumes of colored material,” says Anne Hippert, general manager, Colorant Chromatics at Avient. About Avient Avient Announces Quarterly Dividend...

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Avient Corporation. Avient Corporation. 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 results Copyright © .

A well-known manufacturer of private label toothbrushes and dental care products for national drug store chains chose Avient to enhance the performance of their toothbrushes. In a relatively short time, the Avient team was able to formulate additives that performed well at lower let-down ratios. Cesa WithStand additives provided a low let-down ratio that resulted in a 30% cost savings per year.