Composite ballistic panels provide several advantages, including: Homes 4% Government Buildings 40% Office Buildings 16% Banks 25% Other 25% Where are ballistic composite panels used? ThermoBallistic™ thermoplastic panels can be thermoformed and shaped, ideal for indoors where they offer design flexibility and easy installation. Thermoset and Thermoplastic Panels: What’s the Difference?

Avient’s portfolio of colorants and additives, thermoplastic elastomers (TPEs), and specialty engineered polymers helps customers meet performance demands, comply with medical and pharmaceutical regulations, and accelerate speed to market. 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 

Revenue of $705 million compared to $729 million in the prior year quarter, as growth from acquisitions and composites partially offset weak demand Continuing operations Continuing operations

E L E C T R I C H A I R C L I P P E R S HAIRSTYLING APPLIANCE MANUFACTURER • Regulatory – UL rated flame retardancy • High stiffness and impact resistance • Excellent surface appearance • Colorability/color matching – specific black color • Provided color matching expertise to match glass fiber reinforced formulation to specific customer requirement • Enabled customer to diversify into a new market with a new design of hair clipper for consumers • Developed material quickly - three months from brief to production Bergamid™ A700 glass reinforced flame retardant formulation KEY REQUIREMENTS WHY AVIENT?

Bergamid-Racing Wheel-Application snapshot_0429 CONSUMER ELECTRONICS BRAND G E A R O F R A C I N G W H E E L • Achieve high strength and abrasion resistance • Deliver smooth, quiet functionality and minimize backlash for improved control • Delivered glass fiber reinforced nylon formulation to meet the requirements for high strength and abrasion resistance • Offered local service and support, which helped to accelerate production • Provided stable supply despite the nylon shortage issues in the market Bergamid™ Polymer Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION REINFORCEMENT + ABRASION RESISTANCE LEARN MORE Copyright © 2022, Avient Corporation.

Compared to our prior adjusted EPS expectations, raw material deflation as well as improving mix from composites and sustainable solutions positively impacted the quarter and more than offset weaker demand conditions.” 2 “Sequentially, we’ve seen modest improvement in Asia, but demand across other regions remains sluggish, particularly in Europe, as consumers remain cautious with continued inflation and rising interest rates,” Mr. We have remained consistent in our view all year that to the extent demand conditions weakened further, we would be able to offset that with strength in composites, improving margins and cost reductions.” Rose Vice President, Marketing and Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended June 30, Six Months Ended June 30, 2023 2022 2023 2022 Sales $ 824.4 $ 891.0 $ 1,670.1 $ 1,783.2 Operating Income 62.3 100.1 119.4 202.3 Net income from continuing operations attributable to Avient shareholders 22.1 62.8 42.9 127.2 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.24 $ 0.69 $ 0.47 $ 1.39 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.24 $ 0.68 $ 0.47 $ 1.38 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Our expanding portfolio of offerings includes colorants, advanced composites, functional additives, engineered materials, and Dyneema®, the world's strongest fiber™.

Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Continuing operations Continuing operations

Second quarter acquisition of PlastiComp complements composites portfolio to drive future growth Continuing operations Continuing operations

Examples include: • Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high- performance materials that require less plastic • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation • Breakthrough technologies that minimize wastewater, improve the recyclability of materials and advance a circular economy • Composite solutions to support accelerated growth of 5G / fiber-optic infrastructure investment as the world demands greater and faster connectivity Avient employs approximately 8,400 associates and is certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste. Operational Excellence Empowers us to respond to the voice of the customer with relentless continuous improvement. We will do so though our investments and focus on sustainable solutions for high-growth markets, including healthcare, consumer, packaging and composites/5G.