This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com ADDITIVE TECHNOLOGIES Flame retardant additives Mitigates fire hazard by reducing flame spread and heat release Anti-static and conductive additives Controls build-up of static charges to reduce risk of fire and enhance safety Antimicrobial technology Reduces bacterial, mold and fungal growth on the surface and through the thickness of the part Light spectrum management Provides UV protection to prevent discoloration or degradation of mechanical properties for lasting outdoor durability and color fastness Scratch and mar resistant additives Adds protection to stand up to surface abrasion and wear and tear COLORANT TECHNOLOGIES UL 94 colorants Over 2,000 UL 94-recognized color concentrates, including for high temperature resins Special effect colorants Visual enhancements including metallic, granite, or pearlescent appearance Bio colorants and additives For use in bio-based plastics without compromising performance TECHNOLOGIES AVAILABLE TO ENHANCE PUBLIC CHARGING STATIONS Avient supports all of these solutions with a range of world-class services, including: • Polymer material expertise with a focus on sustainability • Application development expertise with global design centers • Regulatory compliance coordination to help mitigate risk • Reliable field technical services and support • Leading color trend and design services

FX -11% FX -3% Total Avient -14% YoY Comparison against 2022 pro forma results • Aging infrastructure driving need for greater technological advancements and upgrades • Increased focus on strength and capacity of electrical grid plays into further adoption of composites into the market Where Avient Wins:  UV, weather-resistance, customized capabilities  Best-in-class customer responsiveness  Local high-quality manufacturing, unparalleled breadth of portfolio  Expanding position in insulators, utility poles, crossarms, and wind energy Avient Confidential 16 ENERGY 16 • Fiber-optic investments from AT&T, Corning, Commscope continue to drive industry toward innovation • $42B BEAD program in Infrastructure Bill to increase cable deployments; well-positioned to capitalize on “Made in America” requirement and “last mile” buildout Where Avient Wins:  Flame retardance, weather-resistance enables faster, safer, more reliable connections  Local manufacturing, unparalleled breadth of portfolio  Expanding position in insulation for wire jacketing, 5G buildout TELECOMMUNICATIONS Source: U.S. National Defense budget of $842 billion submitted to Congress in Q1 2023 • European NATO members annual defense spend expected to increase by up to 20% Where Avient Wins:  Dyneema® is the world’s strongest fiber™  One of the highest strength to weight ratios of any material on Earth  Direct relationships with industry leading armor manufacturers  Resistant to most chemicals, UV, and moisture to handle any environment Avient Confidential 18 DEFENSE Source: US Department of Defense, defense.gov, NATO18 Source: TRANSPORTATION • Increased EPA regulations requiring improved fuel efficiency, enabled in part by lower-weight vehicles • Automakers preparing for 2/3 of U.S. vehicles to be 100% electric by 2032 Where Avient Wins:  Lightweight panels that establish both strength and stiffness resulting in decreased energy usage, lower emissions  Long-lasting Color applications to resist UV exposure, temperature fluctuations and exceed the stylistic requirements of global automakers 19 $130 $530 Q2 FY $0.60 $2.40 Q2 FY 2023 GUIDANCE 20 Sales Adjusted EBITDA $845 $3,400 Q2 FY Adjusted EPS (in millions) (in millions) CASH FLOW / LEVERAGE 21 • Maintaining free cash flow and leverage guidance from February earnings call • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ millions) 2023E Cash Flow from Operating Activities 350$ Less: Run-Rate CapEx (110) CapEx for IT System Upgrade (25) CapEx for Restructuring (15) Total CapEx (150) Free Cash Flow 200$ Adjusted EBITDA 530$ Net Debt / Adjusted EBITDA 2.9x LONG-TERM REVENUE GROWTH DRIVERS Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Healthcare 8–10% Composites 10% Asia / LATAM 5% Other (GDP growth) 2–3% Avient 6.5% 22 Sustainable Solutions 32% Asia / LATAM 15% Composites 8% Healthcare 6% Other (GDP Growth) 39% • Virtual presentation to be held September 20, 2023 • The company will be conducting an investor-focused presentation around our sustainability solutions portfolio Avient Confidential 23 SUSTAINABILITY INVESTOR DAY 23 $340M $405M $455M $550M $790M $915M 2016 2017 2018 2019 2020PF** 2021 2022PF*** SUSTAINABILITY FOR A BETTER TOMORROW Revenue From Sustainable Solutions* 2016-2022 ($ in millions) Organic Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 24 *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business ***2022 is Pro Forma for the acquisition of Avient Protective Materials and the divestiture of Distribution $1,175M Lightweighting Eco-Conscious Recycle Solutions VOC Reduction Sustainable Infrastructure Human Health & Safety Reduced Energy Use Bio-polymers SUSTAINABILITY NEEDS BY MARKET B&C • Eco-Conscious • Carbon footprint • Resource conservation Healthcare • Carbon footprint • Bio based content • Eco-Conscious Automotive • Light weighting • Recycled Content • VOC reduction Consumer • Recycle Solutions • Light weighting • Carbon Footprint Packaging • Recycle Solutions • Light weighting • Food waste reduction Common Theme: CO2 Emission Goals Increasing Single-Use Plastic Regulation 25 INVESTING IN INNOVATION S U S T A I N A B I L I T Y P O R T F O L I O 26 AP P EN D IX 29 RAW MATERIAL 2022 ANNUAL PURCHASES Performance Additives 16% Pigments 12% TiO2 10% Dyestuffs 2% Polyethylene 11% Nylon 6% Polypropylene 5% Styrenic Block Copolymer 5% Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials • Cost inflation decelerating, particularly for hydrocarbon-based raw materials 2022 pro forma results for the acquisition of Avient Protective Materials SEGMENT DATA U.S. & Canada 40% EMEA 37% Asia 18% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 20% Packaging 24% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 31 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .4 B ILL ION US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 32 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET US & Canada 52% EMEA 35% Asia 13% REGION 33 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% Packaging 32% Consumer 27% Healthcare 8% Industrial 14% Building & Construction 5% Telecommunications 3% Energy 1% Defense 1% Asia (18% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET Packaging 27% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 10% Energy 5% Defense 8% EMEA (37% of sales)Transportation 11% Packaging 13% Consumer 24% Healthcare 12% Industrial 15% Building & Construction 13% Energy 5% Defense 5% US & Canada (40% of sales) Transportation 7% Packaging 56% Consumer 23% Healthcare 4% Industrial 7% Building & Construction 4% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% 34 PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of May 31, 2023 Note: Avient reflects 2023 estimated revenue of $3,400 and estimated run-rate CAPEX of $110M. 36 3 2 3 3 4 4 3 3 4 5 5 6 8 9 A vi en t K W R P P G F U L A V Y R P M F M C H U N C E H X L E C L A S H E M N S C L FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of May 31, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

All Rights Reserved 2024 Non-PFAS additives EXISTING EVOLVING Non-PFAS pipette tips Non-PFAS polymer processing aids Non-PFAS flame retardants Meeting tough flame retardancy regulations Non-PFAS medical tubing Non-PFAS solvent barrier Oil and solvent resistant Copyright © . All Rights Reserved 2024 Technology hybridization EXISTING EVOLVING Marine composite panels UV resistance Insulators Composite utility poles Fire-retardant composite panels Building & construction composite panels Next gen fire-retardant / UV resistant materials Fire-retardant, UV resistant composite utility polesFire retardants Copyright © . All Rights Reserved 2024 49 Composites for electrification and energy BUILD NEW PLATFORMS OF SCALE • Increasing electrification demands, expanding grid • Established Avient portfolio in electrical infrastructure • Demand driven by aging electrical infrastructure and grid hardening incentives (e.g. 170 million wood poles over 50 years old in North America) • Creating opportunities in all infrastructure components • Avient differentiation is with operational velocity, manufacturing capability and added functionality with flame retardancy, UV resistance etc. $8B ADDRESSABLE MARKET AVIENT TECHNOLOGIES, SOLUTIONS Cross arms Turbine blade stiffeners Utility poles Insulator rods Copyright © .

Requirements: Excellent clarity, scratch resistance and exceptional toughness for visualization of medicant levels Solution: Avient Distribution HC Portfolio: Acrylic, copolyester, PC 2. Requirements: Excellent clarity, scratch resistance and exceptional toughness Solution: Avient Distribution HC Portfolio: Acrylic, copolyester, PC, clarified PP Visual Identification Use colors and additives to differentiate and identify your brand, product or batch.

They offer a more sustainable alternative to standard polyolefin grades while achieving equivalent performance including good stiffness, durability, impact resistance and UV stability. KEY CHARACTERISTICS Formulated with bio-based resin and/or 10–50% filler from renewable plant sources, Maxxam BIO formulations: • Reduce product carbon footprint • Achieve equivalent performance to standard polyolefin formulations • Provide good stiffness, durability, impact resistance and UV stability • Deliver good surface finish and are easy to color • Enable customized performance characteristics depending on application need • Offer food contact compliance MARKETS AND APPLICATIONS Maxxam BIO formulations are suitable for use across many industries and applications where traditional polyolefin materials are used, including: • Transportation Interior Applications - Decorative profiles, trunk side liners, pillars, T-cup • Industrial - Structural parts, furniture • Consumer - Household goods, personal care items, packaging, office supplies, food contact applications • Electrical and Electronic – Housings, buttons, junction boxes SUSTAINABILITY BENEFITS • Formulated with bio-based resin and/or 10–50% natural filler • Utilize natural filler from renewable plant sources including olive seed based powder and cellulose fiber • Offer a lower product carbon footprint compared to traditional petroleum-based feedstock • Can be recycled at end of life PRODUCT BULLETIN CHARACTERISTICS UNITS Maxxam BIO MX5200-5036 Natural FD Maxxam BIO MX5200-5030 Natural FD Maxxam BIO MX5200-5030 Natural FD X1 Maxxam BIO MX5200-5001 RS HS Natural Maxxam BIO MX5200-5033 RS HS Natural Maxxam BIO MX5200-5034 RS HS Natural Maxxam BIO MX5200-5035 RS HS Natural Filler/Reinforcement Unfilled Unfilled Unfilled 30% Glass Fiber 10% Mineral 20% Mineral 30% Mineral Density (ISO 1183) g/cm 0.90 0.90 0.90 1.12 0.96 1.03 1.12 Tensile Modulus (ISO 527-1) @ 23°C MPa 1500 1000 1000 6400 1350 1650 2100 Tensile Stress (ISO 527-2) @ 23°C MPa 27.0 20.0 20.0 75.0 13.0 14.0 15.0 Tensile Strain at Break (ISO 527-2) @ 23°C % 5 50 50 3.0 50 37 18 Charpy Notched (ISO 179) kJ/m 5 20 25 10 12 10 10 CHARACTERISTICS UNITS Maxxam BIO MX5200-5023 RS HS HI Natural 70 Maxxam BIO MX5200-5025 RS HS Natural 70 Maxxam BIO MX5200-5004 RS HS Natural 70 Maxxam BIO MX5200-5003 RS Natural 70 Maxxam BIO MX5200-5009 RS HS Natural 70 Maxxam BIO MX5200-5024 RS HS Natural 70 Maxxam BIO MX5200-5022 RS HS Natural 70 Filler/Reinforcement 15% Olive Seed Based 25% Olive Seed Based 30% Olive Seed Based/ 10% Mineral 35% Olive Seed Based/ 5% Mineral 15% Olive Seed Based/ 17% Glass Fiber/ Mineral 20% Olive Seed Based/ 20% Glass/ Mineral 10% Olive Seed Based/ 20% Mineral Density (ISO 1183) g/ccm 1.00 1.15 1.10 1.07 1.09 1.25 1.10 Tensile Modulus (ISO 527-1) @ 23°C MPa 1750 2000 2700 2500 3800 3500 4100 Tensile Stress at Break (ISO 527-2) @ 23°C MPa 21.0 20.0 30.0 20.0 40.0 35.0 42.0 Tensile Strain at Break (ISO 527-2) @ 23°C % 24 5 3 5 3 4 2 Notched Izod (ISO 180) kJ/m 15 7 3 2 5 15 7 MAXXAM BIO POLYOLEFINS – BIO-BASED RESIN – TECHNICAL PERFORMANCE MAXXAM BIO POLYOLEFINS – OLIVE SEED BASED FILLER – TECHNICAL PERFORMANCE CHARACTERISTICS UNITS Maxxam BIO MX5200-5029 NF HI UV Black X1 Maxxam BIO MX5200-5032 NFS UV Natural Maxxam BIO MX5200-5020 NF/NFS UV Natural X1​ Maxxam BIO MX5200-5016 NF Natural Filler/Reinforcement 10% Cellulose Fiber 20% Cellulose Fiber 30% Cellulose Fiber 40% Cellulose Fiber Density (ISO 1183) g/ccm 0.95 1.00 1.02 1.07 Tensile Modulus ISO 527-1) @ 23°C MPa 1550 1750 2640 3600 Tensile Stress at Break (ISO 527-2) @ 23°C MPa 33 30 48 55 Tensile Strain at Break (ISO 527-2) @ 23°C % 8 12 9 4 Charpy Notched Impact Strength (ISO 179/1eA) kJ/m2 5 6 5 5 Charpy Unnotched Impact Strength (ISO 179/1eU) kJ/m2 33 49 38 30 MAXXAM BIO POLYOLEFINS – CELLULOSE FIBER FILLER – TECHNICAL PERFORMANCE Copyright © 2023, Avient Corporation.

HAMMERHEAD™ MARINE COMPOSITE PANELS APPLICATION & INSTALLATION GUIDE PRODUCT DESCRIPTION FEATURE BENEFIT Exceptional strength-to-weight ratio Lightweight yet strong structural performance and increased payloads Resistance to UV light, chemicals, moisture degradation and rot Resistance to harsh marine conditions Tough and impact resistant Durability and long product life Dimensionally stable Consistent performance in extreme temperature and humidity fluctuations Strong adhesive properties Easy bonding to various materials FEATURE BENEFIT Ready-to-install Fewer parts & reduced scrap Large format Improved aesthetics with seamless designs Made via continuous-fiber manufacturing process Consistent quality in every panel PERFORMANCE ADVANTAGES MANUFACTURING ADVANTAGES Hammerhead™ Marine Composite Panels are made from continuous glass- fiber reinforced thermoplastic face sheets and polyester foam cores. Example: Deflection for 24 inch panel = Chart value *[12 / 24] FLEXURAL RIGIDITY COMPARISON BENDING RESISTANCE VS.

No. 0562.01) 11/30/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 733 East Water Street North Baltimore, OH 45872 Claire Holman Phone: (419) 257-1327 MECHANICAL Valid To: October 31, 2025 Certificate Number: 0562.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following automotive plastics tests: Test Method: Test Name: ASTM D412 Tensile ASTM D523 Specular Gloss ASTM D618 (A) Conditioning of Plastics ASTM D624 (Die C) Tear Strength ASTM D638 Tensile Properties ASTM D792 (A) Density and Specific Gravity by Displacement ASTM D1004 Initial Tear Resistance ASTM D1203 (A) Volatile Loss ASTM D1895 (A) Apparent Density, Bulk Factor, Pourability ASTM D1921 Particle Size (Sieve Analysis) ASTM D2240 Durometer Hardness (Shore A and D) ASTM E1331 Color by Spectrophotometry Using Hemispherical Geometry FMVSS 571.302 Flammability FORD BN-102-01 (A) Low Temperature Flexibility FORD BO-131-03 Interior Odor ISO 3795 Determination of Burning Behavior of Interior Materials SAE J323 (A) Cold Cracking (Mandrel Bend) SAE J1351 Hot Odor for Insulation Materials SAE J1545 Instrumental Color Difference Measurement DOC-058151 Angle of Repose 1 Laboratory Developed Method For the tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation.

Design and Manufacture of Custom PVC Plastisol and PVC Slush Mold Powder 65536-50633Certificate No: Page 33 of 53 ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

Engineered fiber thermoplastic composite tapes provide excellent strength-to- weight performance and creep resistance suitable for demanding applications.

KEY CHARACTERISTICS • Provides laser marking options of silicone materials • Eliminates the needs for etching and embossing • Faster and cleaner than pad printing • High contrast, permanent markings • Mechanical properties of the silicone matrix are maintained • Compatible with various types of lasers • Chemically resistant • Available in pre-colored or natural MARKETS AND APPLICATIONS Silcosperse LM Laser Marking additive dispersions are suitable for a variety of applications within industries such as: • Consumer Goods • Electronics • Healthcare • Industrial • Transportation • Wire & Cable Typical applications and purposes include: • Traceability, UPC bar-coding, branding • Unique Device Identification (UDI), medical device ID’s • Serialization for pharmaceutical packaging • Safety taggants & equipment • Automotive components • Wire & cable part numbers or gauge size www.avient.com Copyright © 2020, Avient Corporation.