One of the first steps is to observe and document the step-by-step use of the product by conducting a thorough task analysis. It is typically used for high-precision tasks such as writing, drawing and making incisions. Along with choosing durable materials, designing for high quality and efficient operation can play a role in product longevity.

CABLE GUARD C O M P O U N D A R C H E R Y B O W • Consistent quality that withstands extreme outdoor conditions • Dimensional stability to improve durability and extend product life • Lightweight material for easy customer handling • Strong, long-lasting quality • Maintained stiffness and straightness while upholding performance and aesthetic specifications • Provided dimensional stability necessary for outdoor applications • High strength-to-weight ratio enabled high performance without adding significant weight Glasforms™ Pultruded Carbon Fiber Rod KEY REQUIREMENTS WHY AVIENT?

AIRGUN BULLET MANUFACTURER B U L L E T C A S I N G • Reduce weight by replacing metal • Gunpowder free • Less shooting energy from 100 Joules to 20 Joules • Delivered a high-impact nylon formulation with equal performance and 80% less weight • Enabled improved shooting accuracy due to the stable coefficient of friction(COF) • Provided fast technical response and mold trial support Bergamid™ Polymer Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION LOW FRICTION + HIGH IMPACT LEARN MORE Copyright © 2023, Avient Corporation.

INCIPIO P H O N E C A S E • Customized a post-consumer recycle (PCR) grade formulated with 30% recycled content that delivered similar performance to a prime PC grade • Achieved high yield rate through strict quality control over recycled products • Offered RoHS and REACH compliant solution to support applications with regulatory requirements reSoundTM R PC Recycled Material WHY AVIENT? KEY REQUIREMENTS • Post-consumer recycled material to reduce carbon footprint • Maintain high transparent color even after using recycled PC • Stable color range and strict black spot control https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/resound-r-pc-recycled-polycarbonate-solutions

Dental tool oem DENTAL TOOL OEM D E N T A L E Q U I P M E N T • Outstanding resistance to cleaning agents • Excellent impact resistance • Excellent processing performance • Color consistency • Provided a variety of color design possibilities • Supplied food contact and biocompatible grades • Offered customizable high-performance solutions able to withstand multiple cleaning cycles with detergents • Enabled flexible MOQ and supply Colorant Chromatics Pre-colored Grey PSU KEY REQUIREMENTS WHY AVIENT? All Rights Reserved https://www.avient.com/products/polymer-colorants/high-temperature-color-concentrates/colorant-chromatics-pes/psu/ppsu-colorants Slide 1: Dental tool oem

CABLE MANUFACTURER C A B L E J A C K E T • Operating temperature from -40°C to 70°C • High gel resistance • Low shrinkage • Strippable for easy installation • Good flame retardancy • Developed a formulation with oil resistance as per the NEK 606 technical specification • Allowed our customer to use the same cable design in various climates due to its wide operating temperature range • Provided expertise to improve manufacturing efficiencies, helping the customer achieve higher processing speeds ECCOH LSFOH 5806 Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION HIGH CHEMICAL RESISTANCE LEARN MORE © 2024 Avient Corporation, All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations Cable manufacturer

FOOD PACKAGING MANUFACTURER C A N N I N G L I D S E A L S • Meet regulatory requirements for the application • Provide technical support including specific color, processing and molding recommendations • Deliver a high retort formulation to help preserve food quality and extend shelf life • Developed an FDA-compliant bio-derived plastisol to meet necessary regulatory specifications and help gain market share • Provided technical expertise throughout the design and manufacturing process • Offered a high retort solution with material strength and durability CORE™ Bio-based Vinyl Plastisols KEY REQUIREMENTS WHY AVIENT?

HYDROPONIC GROWING SYSTEM BRAND F L E X I B L E N E C K F O R L A M P • High flow performance capabilities • Beautiful finish • Soft touch • Supported the development process, from initial design to product launch, to meet the needs of both the molder and OEM • Delivered a TPE solution that enabled a 22” flow line with a wall thickness of 0.225” • Provided technical support and shared process best practices to minimize cosmetic defects Versalloy™ XL Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION HIGH FLOW + BEAUTIFUL FINISH LEARN MORE Copyright © 2020, Avient Corporation.

LEADING ANTENNA MANUFACTURER A N T E N N A C O M P O N E N T S • Extremely tight performance tolerance • Dielectric performance of 3 – 7Dk • Ability to utilize existing injection molding machinery • High mold flow index (MFI) • On demand material delivery • Provided technical support throughout the development of multiple, highly technical materials • Formulated high quality materials that aligned with stringent specification, at a cost effective price • Provided order flexibility, allowing customer to order on demand • Collaborated across the supply chain, enabling customer to take a premium solution to market that can reduce maintenance and construction costs for end users Custom PREPERM™ Low-Loss Dielectric Formulations KEY REQUIREMENTS WHY AVIENT?

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • Changes in laws and regulations regarding plastics in jurisdictions where we conduct business; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including Avient Protective Materials (APM); • An inability to raise or sustain prices for products or services; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; and • Other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation and any recessionary conditions Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 COMPOSITES PORTFOLIO D Y N E E M A ® E X P A N D S O U R E N G I N E E R E D F I B E R S A N D P A N E L S T E C H N O L O G Y LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 4 DEFENSE TELECOMMUNICATIONS ENERGY TRANSPORTATION Military • Law Enforcement First Responders Body Armor • Helmets Vehicle Protection Sustainable Infrastructure Offshore Wind Electrical Grid Protection EV Battery Components Commercial Laminates Body & Trim • Air Cargo and Railroad Car Panels 5G Applications Fiber Optic Cables Satellite Communications Connectors and Components 5 COMPOSITES SERVE DIVERSIFIED END MARKETS INDUSTRIAL Lifting Slings • Aquaculture High Pressure Pipe Conveyer Springs Q 2 P ER FO RM A N CE Q2 2023 PERFORMANCE VS. 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 15 Avient Confidential 16 • 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 16 …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 17 AP P EN D IX 20 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 July 21, 2023 Note: Avient reflects 2023 estimated revenue of $3,280 and estimated run-rate CAPEX of $110M. 22 3 2 3 3 4 4 3 3 4 5 5 7 8 8 A vi en t K W R P P G F U L R P M A V Y 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 July 21, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.