C A R C O M P O N E N T M A N U FAC T U R E R A C O U S T I C A N D T H E R M A L M A N A G E M E N T S Y S T E M S • High rPET content without loss of tenacity • High volume production • Color options • Offered a chain extender that supports stable spinning and maintains fiber tenacity to help achieve targeted rPET content • Provided technical support for production scale-up • Proposed different color concentrates suitable for application and polymer grade Cesa™ Fiber Additives – chain extenders for recycled polyester (rPET) KEY REQUIREMENTS WHY AVIENT?

This includes three core themes that are top of mind for me: Profitable Organic Top-Line Growth While Expanding Margins on the Bottom Line We will intensify our efforts to deliver profitable organic revenue growth while expanding margins on the bottom line. The APM Acquisition enhances Avient's materials offerings of composites and engineered fibers. Indefinite-lived intangible assets primarily consist of the Dyneema, GLS, ColorMatrix, Gordon Composites, and Fiber-Line trade names.

OnForce™ Long Glass Fiber Reinforced Thermoplastics: developed for automotive foot pedals, providing high dimensional stability, rigidity and flexibility, cyclic fatigue strength, and long-term creep resistance as well as excellent chemical and UV resistance, shows good colorability (including silver) and ease of processing Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility 

Medical textile manufacturer MEDICAL TEXTILE MANUFACTURER A A M I S T A N D A R D G O W N S • Water repellent properties for nonwoven fabric • Fast and long-lasting water repellency • Usable in nonwoven SMS spunbond layer • Enhanced liquid repellency in spunbond layer • Eliminated the need for secondary water repellent coatings • Provided long lasting hydrophobic performance • Achieved IPA repellency grade 6 Cesa Fiber Additives Hydrophobic Solutions KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/sites/default/files/2023-11/Cesa Fiber Additives Hydrophobic for PP Nonwovens Product Bulletin.pdf Slide 1: Medical textile manufacturer

CARPET PRODUCER N Y L O N C A R P E T • Antimicrobial effectiveness for residential and hospital carpets • Suitable for Bulked Continuous Filament (BCF) processed polyamide (nylon) • Limited impact on color • Quick development to address growing market needs for hygienic surface coverings • Developed efficient antimicrobial solution adapted to BCF processing for high-quality yarns • Reduced risk of discoloration with a smartbatch alternative • Leveraged global capabilities to offer quick development, trials and production quantities • Cesa™ Fiber Additives – antimicrobial additives KEY REQUIREMENTS WHY AVIENT?

ECCOH™ LSFOH 6153/6154 UV Formulations Improved processing speeds & greater gel resistance for optical fiber cables ECCOH™ LSFOH 6153 UV and 6154 UV grades are low smoke, fume, non-halogen material solutions for optical fiber cables with increased processing speeds and greater resistance to chemicals such as gel water blocking compounds, used to protect optical fibers. KEY CHARACTERISTICS • Faster processing speeds (up to 1,000 m/min) at low wall thickness (100 µm) • Increased chemical resistance • Lower gel migration • ECCOH 6153 UV - optimized for Teroson • ECCOH 6154 UV - optimized for Unigel • High color rendition and compatibility with Avient masterbatch • High UV resistance • Very low shrinkage MARKET & APPLICATIONS Optical Fiber Cables including: • Stranded loose tubes – gel-filled/dry • Micro-modules • Tight buffer applications – gel-filled/dry STANDARD COMPLIANCE • IEC 60794 • NF XP C93-850-1-1:2020 • EN 50289-4-17:2016 • ISO 4892:2016 • ST/CNET/5843 (1998) PRODUCT BULLETIN GEL MIGRATION PERFORMANCE ECCOH LSFOH 6153/6154 UV grades offer greater gel migration performance compared to alternative ECCOH grades. Gel migration is measured using a quantitative internal method * 6151 can be supplied with UV protection * Values concluded from the simulation of materials rheological data and modelling standard extrusion tooling Pressure: can affect extruder performance, higher pressure gives a lower output at the same rpm Shear rate: has a relation with self-cleaning of the walls and mixing conditions Stress: can affect the surface of the product, less stress gives a better surface aspect MIGRATION OF GEL COMPOUND Gel Compound ECCOH™ 6151* ECCOH™ 6153 UV ECCOH™ 6154 UV Unigel Average Good Excellent Teroson Average Excellent Good Itcogel Average Good Excellent ECCOH™ 6151 ECCOH™ 6153 UV ECCOH™ 6154 UV ∆P (bars) 101 63 60 Shear Rate (1/s) 9 9 9 Stress (kPa) 127 79 75 Application example: Gel-filled stranded loose tube optical fiber cable www.avient.com Copyright © 2020, Avient Corporation.

Maintains line speeds: Anti-fog additives enable production of top-quality film at high output rates. Limits downtime: Downtime is a concern on lines with extra equipment such as film treating/coating machinery. Using OnCap anti-fog solutions is as simple as adding it to the resin at a production line’s feeder.

Examples include: • Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is a certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste. GUIDANCE ( T O TA L C O M PA N Y ) 11 14.8% 15.8% Guidance Actual Adjusted EBITDA Margin % Better-than-expected margins driven by: • Resilient demand for composites and sustainable solutions which improved mix of higher margin applications • Deceleration of raw material inflation • Cost reduction activities Q1 EBITDA BRIDGE ( T O TA L C O M PA N Y ) 12 $ millions CAI: Price / Mix 19) Inflation (4) SEM: Price / Mix 6) Inflation (4) Net Price Benefit 17) Wage and Energy Inflation (13) Cost Reductions 8) FX (6) Q1 2023 Actual $134) Adjusted EBITDA Q1 2022 Pro Forma $ 176) Demand (48) • Weak demand conditions in-line with previous expectations • Pricing continues to cover inflation of raw materials, wages and energy U.S. & Canada 40% EMEA 38% Asia 17% Latin America 5% Q1 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 18% Packaging 23% Healthcare 7% Industrial 16% Building and Construction 10% Defense 6%Telecommunications 4% Energy 5% END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $846M and $134M, respectively, include intercompany sales eliminations and corporate costs $537M $91M $310M $64M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $134M$846M (1) 13 Transportation 11% Q1 2 023 SA LES BY R EGI ON Y o Y C H A N G E ( E X C L . 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 17 DEFENSE Source: US Department of Defense, defense.gov, NATO17 Source: TRANSPORTATION • Increased EPA regulations requiring improved fuel efficiency, enabled in part by lower-weight vehicles • Automakers preparing for 2/3 of U.S.

All Rights Reserved 2024 42 Composite materials Engineered fibers Tapes, fabrics Laminates, panels Pultruded components Shapes Long-fiber thermoplastics Fiber optic cables Electrical infrastructure Ballistic protection Outdoor high performance Trucks, rail, RV Composite lumber 43Copyright © . All Rights Reserved 2024 51 Our competitive advantage Breadth and depth of specialty solutions Global footprint with localized customer intimacy Manufacturing and material formulation expertise Quality, regulatory, and sustainability • Engineered thermoplastics, advanced elastomers, additives, fibers, composites • Unidirectional tapes, fabrics, panels, pultrusions, shapes • Operations in Americas, Europe and Asia • Source materials globally, translate across regions • Deep application knowledge and design services • Core competencies in fiber, tape, composite lamination and pultrusion processes • Strong material science expertise to address needs • Strong regulatory and quality management systems • Industry accredited sites • Recognized sustainability ratings Copyright © . Top line growth with EBITDA margin expansion Building the Avient of the future Incentive plans aligned to strategy ...building upon our foundational strengths Copyright © .

REDUCED WEIGHT 40–50% weight reduction when switching from metal, portability SOLUTION: Long carbon fiber reinforced composites SUSTAINABILITY PIR/PCR content incorporation SOLUTION: Recycled content long fiber thermoplastics STRENGTH IN EXTREME ENVIRONMENTS High strength-to-weight ratio, high and low temperature performance SOLUTION: Long carbon fiber reinforced composites CORROSION RESISTANCE Metal replacement, eliminate secondary operations, slow moisture uptake SOLUTION: Moisture resistant long fiber reinforced nylons ELECTRIFYING STRENGTH Ignite a passion for exploration and push the boundaries of durability with long fiber thermoplastic technology for bikes, engineered to excel in extreme challenges! BATTERY RANGE EXTENSION Lightweighting SOLUTION: Long fiber reinforced polyketone (PK) thermoplastics © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-pke-formulations https://www.avient.com/products/long-fiber-technology/complet-pke-formulations https://www.avient.com/products/long-fiber-technology/complet-pke-formulations