GUIDANCE ( T O TA L C O M PA N Y P R O F O R M A ) 3 $100 $107 Guidance Pro Forma $0.33 $0.42 Guidance Pro Forma Adjusted EBITDA Adjusted EPS (in millions) $200 $293 Guidance Actual Free Cash Flow (in millions) FY 2022 VS. GUIDANCE DEBT / LEVERAGE R EDUCTION • Completed sale of Distribution and paid down $750M of debt in November • Strong free cash flow in fourth quarter reduced leverage and enabled paydown of additional $200M of debt • Fixed/Floating Debt Ratio 63/37 • Proven track record of deleveraging following acquisitions through consistent free cash flow generation $725 $725 $725 $575 $500 $400 $600 $525 $425 $650 $650 $650 $600 $2.40B $2.20B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes After Distribution Divestiture Year-End 4 Year-End Leverage 3.8x 3.1x 2.9x 2023 Notes After Avient Protective Materials Acquisition $3.15B 20 22 TRA NSF OR MATI ONAL PORTFOLI O ENHA NC EMENTS 5 EBITDA margins expanded from 12% to 16% Diversified end markets with reduced exposure to more cyclical industries Dyneema® Acquisition $1.48B acquisition strengthens composites platform Significantly improved EBITDA margins $950M divestiture results in 100% specialty sales Strong exit multiple of 10x TTM EBITDA despite market volatility Distribution Divestiture Improved Portfolio G ROW I NG C OM PO SI T ES P LAT F OR M C O NT R I BU TI O NS TO S EM S EG ME NT 6 Note: 2022 is pro forma for Avient Protective Materials 2016 Sales 2022 Sales Advanced Composites 51% $560M $1,300M Advanced Composites 9% C O M P O S I T E S P O R T F O L I O D Y N E E M A ® E X P A N D S O U R E N G I N E E R E D F I B E R S A N D T A P E S T E C H N O L O G Y LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 7 ADVA NC ED C OM POSI TES PERFORMA NCE 8 (1) Pro forma for the acquisition of Avient Protective Materials Sales $51 $84 $212 $668 2016 2018 2020 2022 $4 $10 $41 $169 2016 2018 2020 2022 EBITDA (1) (1) ($ in millions) PORTFOLIO EVOLUTION AND EPS EXPANSION 9 Adj. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 28 79 87 81 79 76 73 90 77 76 75 73 64 59 33 A vi e n t K W R P P G F U L A V Y R P M F M C C E A S H H X L E C L H U N E M N S C L M U LT I P L E E X PA N S I O N Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of February 13, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.89.

Versaflex - CPAP tubing film CPAP TUBING C O R R U G A T E D T U B I N G F I L M • Replacement for polyolefins • Good spring-back • Bondable cuffs • Clear & clean look • Minimize humidity and condensation within the tube • No noticeable odor • FDA, ISO 10993 & USP VI compatible • Provided TPE solution to meet market expectations for improved user comfort & aesthetics • Reduced tube noise and improved drape compliance with new material solution versus polyolefins • Offered solution with improved thermal properties to combat humidity Versaflex™ CL2250 KEY REQUIREMENTS WHY AVIENT? https://www.polyone.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers

COOL GRAY 2U VERSAFLEX COOL GRAY 2U - PA

Versaflex VDT 4132N EU 050RD2073 RED PA

VERSAFLEX(TM) HC 2110-43N 158914 GN PA MASTERBATCH

Study of the effects of formulation and thickness on the dielectric, signal transparency properties of Versaflex TPEs The focus for this study was to develop thermoplastic elastomer compounds that would overmold onto substrates made from Nylon (PA), Polycarbonate (PC), Acrylonitrile-butadiene-styrene (ABS), and PC/ABS alloys

Homepage // News Center // Avient Boosts Aesthetics and Productivity for Consumer Electronics with New Non-Blooming Versaflex™ CE 3130 TPEs Using Versaflex non-blooming materials, brands and OEMs can achieve a premium, silky-soft overmolded surface without surface blooms. Versaflex CE 3130 formulations are currently manufactured in Asia and available globally.

050BK2026 BLACK PA Versaflex VDT 4202-40N EU

BL PA COLOR CC NA VERSAFLEX(TM) GP 2810-60N US

Study of the effects of formulation and thickness on the dielectric, signal transparency properties of Versaflex TPEs The focus for this study was to develop thermoplastic elastomer compounds that would overmold onto substrates made from Nylon (PA), Polycarbonate (PC), Acrylonitrile-butadiene-styrene (ABS), and PC/ABS alloys