BELT & HOSE REINFORCEMENT FIBERS PROCESSES PRODUCTS MOVING HIGH PERFORMANCE FIBERS FORWARD This data is provided for informational purposes only, and does not constitute a specification. Uranusweg 3 8938 AJ Leeuwarden The Netherlands +31(0) 58 216 75 99 info@fiber-line.com ABOUT FIBER-LINE® NOTICE: The information and data contained herein do not constitute sales specifications.

TECHNICAL PROPERTIES(1) TEST METHOD Complēt LGF30-PKE NAT Complēt LGF40-PKE NAT Complēt LGF50-PKE NAT Physical Density/Specific Gravity ASTM D792 1.47 1.54 1.66 Mechanical Tensile Strength (Yield) ASTM D638 21,100 psi 24,700 psi 26,400 psi Tensile Modulus(2) ASTM D638 1,150,000 psi 1,570,000 psi 2,150,000 psi Flexural Modulus(3) ASTM D790 1,120,000 psi 1,480,000 psi 2,030,000 psi Flammability (non-PFAS options available) Flame Rating @ 1.5 mm UL 94 V-0 V-0 — COLD IMPACT PERFORMANCE Ft -lb /in Data based on single lot of lab-generated samples. Values are not to be construed as specifications. ■ Notched 23C ■ Unnotched 23C ■ Unnotched -30C■ Notched -30C 0 5 10 15 20 25 Complēt LGF30-PKE NAT Complēt LGF40-PKE NAT Complēt LGF50-PKE NAT Izod Impact Notched ASTM D256/Unnotched ASTM D4812 4.1 4.7 5.4 18.9 19.5 19.919.1 19.8 20.1 4.0 4.6 5.0 (1) Data based on single lot of lab generated samples.

Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 43 Capex / Revenue 2022E (%) AVIENT IS ASSET LIGHT Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 2 3 4 3 3 5 5 7 7 8 11 Av ie nt Av ie nt P F FU L KW R PP G R PM AV Y FM C H U N H XL EC L EM N C E AS H SC L Source: Peer data per Bloomberg market data as of April 21, 2022. Source: Peer data per Bloomberg market data as of April 21, 2022 86 82 86 86 84 78 77 89 86 81 80 76 76 76 67 67 11 (12) Av ie nt Av ie nt P F FU L KW R PP G R PM AV Y FM C U N VR BN R H U N H XL EC L C E AS H EM N SC L AL B 12% 18% 16% 15% 15% 14% 14% 28% 28% 26% 25% 22% 21% 19% 16% 12% 9% 9% Av ie nt T od ay Av ie nt P F AV Y PP G KW R FU L R PM C E AL B FM C AS H EC L EM N H XL H U N SC L BN R U N VR Median: 21%Median: 15% 2022 EBITDA MARGINS VS. Financials are pro forma for the acquisition of Dyneema® and potential divestiture of Distribution Avient Specialty Formulators Other Specialty / Chemical Companies 45 Source: Peer data per Bloomberg market data as of April 21, 2022 Total Enterprise Value / NTM EBITDA With the Dyneema and Clariant Color business acquisition and divestment of the PP&S business, along with the proposed sale of our Distribution business, our exposure is now concentrated in less-cyclical and high-growth markets.

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. BOTTOM PANEL LEG LENGTH BREAK STRENGTH (LBS) Hammerhead™ with 5.3 lb/ft3 Core Density 2 in 420 Hammerhead™ with 8.4 lb/ft3 Core Density 2 in 332 Marine Plywood 2 in 984 Glass/Polyester with Balsa Core 2 in 1298 Hammerhead™ with 5.3 lb/ft3 Core Density - ITW Plexus MA420 Adhesive NA 501 Hammerhead™ with 8.4 lb/ft3 Core Density - ITW Plexus MA420 Adhesive NA 1156 Hammerhead™ with 8.4 lb/ft3 Core Density - Crestomer 1152PA Adhesive NA 1530 Hammerhead™ with 8.4 lb/in3 Core Density - Crestomer M1-30 Adhesive NA 1471 ADHESIVE DESCRIPTION ADHESIVE GRADE MANUFACTURER AVERAGE BOND STRENGTH (PSI) STANDARD DEVIATION FAILURE MODE BEST ADHESION 2k Urethane 75421 Lord 2281 184 Substrate Cohesive 2k Acrylic SA1-705 GRY1 AccraLock 2211 78 Substrate 2k Acrylic Plexus MA420 ITW 2171 262 Substrate 2k Acrylic SA10-05 Blk1 AccraLock 2102 138 Substrate 2k Urethane 75451 Lord 2047 68 Cohesive 2k Acrylic SA1-705 GRY 1:2 AccraLock 1966 68 Substrate 2k Acrylic Scotchweld 8010 3M 1907 61 Adhesive Cyanoacrylate Gorilla Glue Gorilla Glue 1885 432 Cohesive 2k Acrylic Crestabond PP-04 Scott Bader 1873 281 Substrate 2k Acrylic SA10-05 Blk 10:2 AccraLock 1779 127 Cohesive 2k Urethane 75422 Lord 1716 190 Cohesive Adhesive 2k Urethane 75452 Lord 1535 98 Adhesive 2k Methacrylate Polyfuse Icon Containment 1610 98 Adhesive INTERMEDIATE ADHESION 2k Acrylic FA10-05 Blk C010817 AccraLock 724 58 Cohesive 2k Acrylic FA10-05 Blk1 AccraLock 722 44 Cohesive 2k Epoxy Loctite Epoxy Instant Mix Loctite 508 81 Adhesive 2k Epoxy Gorilla Glue Epoxy Gorilla Glue 341 198 Adhesive NOT RECOMMENDED 2k Epoxy Loctite Epoxy Marine Loctite 0 0 No bond ADHESIVE SELECTION Brands identified are owned by the manufacturers of the adhesive products. 1 surface sanded with 220 grit scuff prep 2 surface primed with 459T FASTENER TYPE BENEFITS CONSIDERATIONS Through-Bolting Best mechanical locking system Need back side access to panel Screw-In Anchor Highest pullout strength Requires pilot hole Cup Washer Spreads compressive load Requires relief hole; For substructure and hard point attachment Wide Grip (Bulb-Style) Rivet Ease of use—no installation torque limitations For lower load attachments Sheet Metal or Wood Screw Readily available, low cost Penetrate both skins for improved pullout Shoulder Washer Limits compressive load Requires relief hole; For substructure and hard point attachment For more information on installation, adhesives, and fasteners for specific applications, please contact Avient.

Wire & cable manufacturer WIRE & CABLE MANUFACTURER A E R O N A U T I C D A T A T R A N S M I S S I O N C A B L E S • Permanent contrast marking meeting aerospace industry standards SAE AS4373F and EN-3475-706 • Benign marking that, compared to infrared (IR) laser marking, will not damage the jacket surface • Elevated temperature performance in corrosive environments, maintaining dielectric properties under continuous service • No vital optical fiber or data transmission cable interference • Demonstrated fluorinated ethylene propylene (FEP) application expertise incorporating laser marks • Provided formulation expertise in PTFE alternatives • Delivered a high-quality product with no clumping during the extrusion process • Offered a proven array of specific aeronautic colors • Provided commercial, technical, and operational support KEY REQUIREMENTS APPEARANCE + PERFORMANCE WHY AVIENT?

It’s why we win. 11 474 644 925 107 147 212 467 616 858 2014 2018 2020PF R&D / Technical Marketing Sales Commercial Resources + 36% + 37% + 32% + 44% + 44% + 39% Headcount figures are Pro forma for the sale of Designed Structures and Solutions (DSS) and Performance Products and Solutions (PP&S) segments and the acquisition of the Clariant Masterbatch business. 2020PF data as of October 31, 2020. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 17 Capex / Revenue 2021E (%) Source: Bloomberg market data as of November 9, 2020 AVIENT IS ASSET LIGHT Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 3 3 3 6 3 4 5 5 5 5 5 6 6 7 7 9 24 A v ie n t A v ie n t (E x c l. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA Source: Bloomberg market data as of November 9, 2020 Median: 82% Median: 73% HIGH FREE CASH FLOW CONVERSION 83 86 85 85 80 78 58 88 83 81 79 77 76 73 73 72 72 67 64 63 60 6 A v ie n t K W R R P M P P G F U L A V Y G C P F M C IF F U N V R B N R E M N E C L C E H X L F O E A S H G R A H U N K R A S C L A L B Net Debt / 2021E EBITDA (1) We typically operate at 2.5–3.0x net debt to EBITDA.

Continue fostering our Great Place to Work® culture Strategic ObjectivesStrategic Objectives Long Term Growth Rates Growth DriversGrowth Drivers $340 $455 $790 $1,175 2016 2018 2020 2022 $51 $84 $212 $668 2016 2018 2020 2022 $108 $113 $231 $293 2016 2018 2020 2022 $265 $358 $726 $830 2016 2018 2020 2022 8-12% 10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable GrowthProfitable Growth Great Place to WorkGreat Place to Work 5.4% 11.5% 16.2% 2006 2018 2022 EBITDA Margins $0.14 $2.67 $3.04 2006 2018 2022 Adjusted EPS 2022 data is pro forma for acquisition of Avient Protective Materials and Distribution divestiture TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards 90th percentile 87th ESG Ratings Performance 2 2 5 5 Innovation is the lifeblood of a specialty company. Global Compact • Highlights ESG Performance, including ratings, awards, and certifications • Features increased carbon emissions disclosures, including Climate Change Scenario Analysis and Scope 3 emissions data • Outlines Sustainable Supplier Program, designed to enable supplier evaluation & collaboration • Reflects Great Place To Work® culture focused on safety, employee engagement and advancing diversity, equity and inclusion 2022 SUSTAINABILITY REPORT 19 Avient Confidential 20 • Virtual presentation to be held September 20, 2023 • Leadership will be conducting an investor-focused presentation around our sustainable solutions portfolio • Deep dive into how we enable customers to achieve their sustainability goals SUSTAINABILITY DAY 20 …are Growing at Twice the Rate as Conventional Products Sustainably-Branded Products… STAKEHOLDER INFLUENCE DRIVES DEMAND Consumers Are demanding recyclability and eco- conscious products Governments Are mandating changes through legislation, taxes, and regional accords Brand Owners Have committed to ambitious goals to achieve sustainability metrics 21 AP P EN D IX 24 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 2022 pro forma results for the acquisition of Avient Protective Materials RAW MATERIAL BASKET PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of August 17, 2023 Note: Avient reflects 2023 estimated revenue of $3,280 and estimated run-rate CAPEX of $110M. 26 3 2 3 3 4 4 3 4 5 5 7 7 9 10 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 E C L A S H H X L E M N S C L FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of August 17, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. Avient reflects 2023 adjusted EBITDA guidance of $525M and estimated run-rate CAPEX of $110M. 2023E (%) 27 79 89 83 83 78 75 90 81 76 72 68 63 53 11 A vi en t K W R F U L P P G A V Y R P M F M 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 August 17, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $525M and closing share price of $37.07.

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