CABLE MANUFACTURER F L A M E - R E T A R D A N T S H E A T H F O R R I S E R C A B L E S • Fire performance: CPR classification Dca s1 a1 d0 at a thickness of 350µm • Low shrinkage • Water, UV, and chemical resistance • Low coefficient of friction (CoF) • Reduced overall cable weight cable by reducing the jacket thickness from 550µm to 350µm • Increased the lifetime value of the cable by providing superior chemical and UV resistance • Provided low CoF on the inner layer, making the solution suitable for use with micro ducts as it’s easier to blow cables inside ECCOH LSFOH 5702 SEPAP Formulation KEY REQUIREMENTS WHY AVIENT?

FA B R I C A N T E DE E M B AL AG E N S FA R M AC Ê U T I C AS G A R R A F A S Â M B A R • Garantir a conscientização sobre os padrões e requisitos de conformidade aplicáveis • Fornecer opções de matéria-prima que estejam alinhadas com os padrões brasileiros de embalagens farmacêuticas • Aderir às Boas Práticas de Fabricação (BPF) • Colaborou em toda a cadeia de suprimentos para garantir que as necessidades regulatórias de matéria-prima fossem atendidas • Avaliação da conformidade das matérias- primas com os padrões brasileiros de embalagens farmacêuticas • Material produzido sob os requisitos de BPF Hiformer Liquid Masterbatches PRINCIPAIS REQUISITOS POR QUE A AVIENT?

PowerPoint Presentation P R O S T H E T I C S A N D O R T H O T I C S B R A N D K N E E R A I L & B R A C E • Replace metal to reduce weight • Update design to achieve slimmer design • Offer excellent strength and modulus properties • Improve durability with better fatigue resistance than incumbent aluminum • Increased design freedom and lightweighting for metal replacement applications while meeting structural needs • Delivered excellent fatigue endurance and moisture resistance for enhanced durability • Achieved cost reduction per part by switching to an injection molding process Complēt Long Carbon Fiber Reinforced Structural Thermoplastics WHY AVIENT?

Microsoft PowerPoint - AVNT Fermium Conference - May 2023 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 4 , 2 0 2 3 H O S T E D B Y : 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. Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 AVI ENT: WHO WE A RE 36 24 9 35 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 100+ manufacturing plants Key Financial Data 2023E Sales $3.4 billion 2023E EBITDA $530 million 2023E EPS $2.40 100% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 3 Guidance as of May 3, 2023 Webcast W H O W E A R E – V I S I O N , S T R AT E G Y, C U LT U R E 4 Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 36 79 87 83 81 76 73 90 79 77 76 73 69 60 22 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 H X L A S H 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 April 28, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.51.

W H O W E A R E – V I S I O N , S T R AT E G Y, C U LT U R E 3 Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Clariant MB acquired July 1, 2020 COLORWORKS I N S P I R AT I O N . C O - C R E AT I O N

Avient corporation first quarter 2023 results AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) J A N U A R 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. W H AT W E D O : W E A R E A F O R M U L ATO R CUSTOM FORMULATION 6 N O V E M B E R 2 , 2 0 2 3 W E B C A S T P R E S E N T AT I O N Complementary technologies and customer relationships offer opportunity to advance commercial strategy Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications AVIENT PROTECTIVE MATERIALS FIRST YEAR 8 Composites comprises over half of Specialty Engineered Materials, compared to 9% in 2016 Proven history of success in areas such as outdoor high performance, defense and sustainable solutions Composites 44% 56% 2023E Sales Collaboration & InnovationComposites as a % of SEM People & Culture Talented, passionate, and creative associates drive continued integration success and allow two cultures to come together as one Avient Lightweight Protective Laminates: PROJECTILE PROTECTION Dyneema® Fiber Solutions Cushioning + Fit + Comfort: LONG-TERM WEAR reSound™ Versaflex™ Thermoplastic Elastomers Strength + Durability + Light-Weighting: SOLID MOUNTING BRACKETS Nymax™ Bergamid™ Complēt™ Engineered Materials Durability + Lubricity: HELMET LATCHES Lubri-One™ Internally Lubricated Polymers Color Consistency and Weatherability CUSTOMIZED SPECIFICATIONS Avient Color and Additive Solutions Antennae Performance FAST, RELIABLE CONNECTIONS PREPERM™ Low-Loss Dielectric Thermoplastics AVIENT PROTECTIVE MATERIALS C R O S S S E L L I N G O P P O R T U N I T I E S Wired Connections CONSTANT COMMUNICATION Syncure™ Cross-linkable Wire & Cable Formulations9 10 AVIENT PROTECTIVE MATERIALS C R O S S S E L L I N G O P P O R T U N I T I E S 10 Q 3 P E R F O R M A N C E 15.4% 16.3% 2022 PF 2023 Results vs. Avient reflects 2023 adjusted EBITDA guidance of $500M and estimated run-rate CAPEX of $110M. 2023E (%) 27 78 89 83 80 78 74 86 79 76 67 66 55 50 (39) A vi en t K W R FU L P P G A V Y R P M FM C C E E C L A S H H X L H U N E M N S C L Avient Specialty Formulators Other Specialty / Chemical Companies MULTIPLE EXPANSION Source: Peer data per Bloomberg as of December 29, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $500M and closing share price of $41.57.

AVIENT CORPORATION F I R S T Q U A R T E R 2 0 2 3 R E S U L T S (NYSE: AVNT) M A Y 3 , 2 0 2 3 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. Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 Keeping Safety First o Relentless focus on best-in-class safety performance as an ACC Responsible Care® organization Exceeding Customer Expectations o Complementary technologies and customer relationships offer opportunity for future revenue synergies o Proven innovation-led commercial strategy with strong brands and participation across the full value chain Collaboration in Innovation o Leveraging Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications People – Culture is Everything o Talented, passionate and collaborative associates drive an effective integration strategy o Strong Great Places to Work® scores reflect positive integration efforts in first year AVI E N T P ROT EC T I VE MAT ER I A L S I N T EG R ATI O N 3 AVI ENT PROTEC TI VE MATERI ALS K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders • Body Armor • Helmets • Vehicle Protection 50% MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes 30% CONSUMER Consumer • Outdoor High Performance • Safety Equipment 20% 4 Figures reflect approximate proportions of 2022 sales Q 1 P E R F O R M A N C E Q1 2023 PERFORMANCE VS. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 32 79 87 83 81 76 73 90 79 77 76 73 69 60 22 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 H X L A S H 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 April 28, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.51.

AVIENT SOLUTION MEDICAL DEVICE MANUFACTURER C O M P R E S S I O N C O N T R O L L E R H O U S I N G G R I P • Good adhesion to PCTG • Comfortable grip combined with ergonomics • Medical regulation compliance • Provided a medical-grade TPE with excellent bonding to PCTG and good chemical resistance • Improved ergonomics and aesthetics with a soft- touch material • Met medical regulation compliance: FDA21 CFR 177.2600 • Delivered good colorability to ensure a stable esthetic KEY REQUIREMENTS OVERMOLDING + REGULATORY SUPPORT LEARN MORE Versollan Thermoplastic Elastomers Copyright © 2024, Avient Corporation.

SCORPYD™ CROSSBOW I N T E G R A T E D R A I L A N D R I S E R • Reduce weight by replacing aluminum • Integrate bolt rail and riser for supporting limbs into unified assembly • Achieved a 40% weight reduction to improve handling and firing ease • Provided structural design services to create industry-first integrated rail and riser assembly • Conducted FEA performance analysis to confirm long carbon fiber reinforced composite met extreme requirements Complēt™ Long Carbon Fiber ETPU Composite KEY REQUIREMENTS WHY AVIENT?

M I L I TA RY A N D TA C T I C A L G E A R M A N U FA C T U R E R H O L S T E R • Impact resistance in all temperatures • Strength • Ductility • UV resistance • Easy to process • Color match to specific black color • Supported material selection and provided technical processing expertise through our application development and technical service team • Enabled two-day delivery through regional stocking strategies Nymax™ REC Post-Industrial Recycled Nylon Formulation KEY REQUIREMENTS WHY AVIENT?