AV I AT I O N C O M P O N E N T S M A N U FA C T U R E R S E A T B E L T C O V E R • Paint-free, metallic look • Reduced Volatile Organic Compounds (VOCs) • Lightweight • Excellent mechanical performance • Non-conductive solution • Provided a non-conductive solution with reduced VOCs and coexisting color and metallic effects • Supplied a technology compatible with PPSU, PES, and PSU • Lowered density compared to virgin resin • Reduced the need for secondary processing and associated VOCs • Supplied low minimum order quantity of gold, silver and bronze colors Colorant Chromatics Metallic Effect Pre- colored Sulfone Colorants KEY REQUIREMENTS WHY AVIENT?

Polyone Corporation at BB&T Capital Markets Commercial & Industrial Conference

LUXURY CLOSURE MANUFACTURER S P I R I T B O T T L E C A P D I S K • Specific gravity of 2.6 to match incumbent metal weight • Polypropylene-based material suitable for physical vapor deposition (PVD) surface treatment • Provided an easy-to-process material with an excellent surface finish for metallization • Met custom weight target and used a magnetic filler to support the magnetic system in the PVD metallization process • Enabled more design freedom by eliminating metal working Gravi-Tech™ Density Modified Formulation KEY REQUIREMENTS WHY AVIENT?

PERSONAL CARE DEVICES P A T I E N T M O B I L I T Y • Diminish the growth of harmful microbes on surfaces without compromising product performance • Achieve cohesive color across different polymeric materials with the addition of antimicrobial ingredients • Accelerate product development timeline • Preserved polymer performance by minimizing undesirable microbes • Designed a masterbatch solution that achieved color harmony between diverse polymeric materials even with the addition of antimicrobial ingredients • Accelerated speed to market by several weeks with Avient’s pre-tested material and supplier expertise while reducing costs of lab testing fees by up to $50,000 Cesa™ WithStand™ Antimicrobial Additives with OnColor™ Colorants KEY REQUIREMENTS WHY AVIENT?

AUTOMOTIVE OEM T A I L G A T E T R I M • Reduce part weight • Suitable solution for PP talcum-filled material • Class A surface finish • Compatible with core-back injection molding process • Offered a broad portfolio of solutions • Provided technical support to help with product selection and processing parameters • Reduced part weight by 18% • Decreased cycle time by 8% • Enabled good surface appearance for the tailgate trim Hydrocerol™ Chemical Foaming Agents KEY REQUIREMENTS WHY AVIENT?

S U RG I C A L I N S T RU M E N T O E M D E N T A L S C A L E R • Attain an extreme white color to appear hygienic and aesthetically pleasing • Ability to laser mark the brand • Maintain impact resistance • Achieved a clean, bright white color that provided a more pleasing experience for patients • Allowed scaler to be laser marked for brand identification • Met the need for impact resistance and successfully passed the drop test requirements Transcend™ Premier Healthcare Colorants KEY REQUIREMENTS WHY AVIENT?

ENERGY STORAGE OEM A Q U E O U S B A T T E R Y G A S K E T • Sealing performance from -40 to 110°F • Ability to flow in a long, thin seal design • Chemical resistance to a proprietary electrolyte solution • Natural color • Provided a chemically resistant TPE that outperformed competitive TPE and thermoplastic rubber in rigorous customer testing • Offered material expertise and education to empower an informed material decision • Enabled OEM to model and evaluate sealing performance via design support and data files • Met global production needs through material consistency and local technical support Dynaflex™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

U-PVC PIPE & FITTING PRODUCER P I P E & F I T T I N G • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of applications • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications • Improved the customer’s workplace environment by installing a new tote liquid supply system • Enhanced color consistency and reduced production wastage from pigment speck and streak issues • Complied with strict regulatory controls for potable pipe requirements ColorMatrix Liquid Color Concentrates KEY REQUIREMENT WHY AVIENT AVIENT SOLUTION PRODUCTIVITY + COMPLIANCE Avient Corporation 1 • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of applications • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications KEY REQUIREMENT • Standard colorant to apply for internal color matching in PVC sheet applications • Phthalate free plasticizer class as hazardous healthy control requirement • Good thermal stability and compatibility in PVC resin of color index choices • Compliance with Heavy metal free and RoHS regulation KEY REQUIREMENT• Support the mass production capacity of white pipe extrusion • Reduces particulates from TiO2 bulk pigment use in the workplace • Ensure excellent pigment dispersion to meet mechanical pipe properties over an extensive useful life • Compliance with NSF and UL regulations for end application requirements in the building and construction industry LIQUID COLOR CONCENTRATES AND DOSING | AVIENTLEARN MORE KEY REQUIREMENTS Copyright © 2025, Avient Corporation.

Microsoft PowerPoint - AVNT Q1 2024 Investor Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) M A Y 2 0 2 4 D I S C L A I M E R Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Continue fostering our Great Place to Work® culture Strategic ObjectivesStrategic Objectives Long Term Growth Rates Growth DriversGrowth Drivers $340 $455 $790 $1,135 2016 2018 2020 2023 $51 $84 $212 $645 2016 2018 2020 2023 $108 $113 $231 $230 2016 2018 2020 2023 $265 $358 $726 $725 2016 2018 2020 2023 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 Adjusted EPS TO P- T IE R S US TA I NA B I L I TY PE R F OR MA N C E A N D R EC O G NI T I ON Industry Sustainability Standards ESG Ratings Performance 1 2 4 87th 94th percentile 5 Avient CDP Score: A- M AY 7 , 2 0 2 4 W E B C A S T P R E S E N TA T I O N 7 REGIONAL DEMAND TREND S-TOTA L COMPA NY Q 1 S A L E S V S P Y ( E X C L U D I N G F X ) 7 US & Canada Latin America EMEA Asia +2% -6% Flat +2% Avient ex. FX -1.5% FX -0.5% Total Avient -2.0% Q 1 2 0 2 4 R E S U L T S Q1 2024 PERFORMANCE VS.

Polyone Corporation at BB&T Capital Markets Commercial & Industrial Conference