MAXXAM™ NHFR NON-HALOGEN FLAME RETARDANT POLYOLEFINS PRODUCT SELECTION GUIDE Maxxam™ NHFR Polyolefins – Homopolymers Disclaimer: The technical data provided here reflects the characteristic values of flame-retardant polypropylene materials and is not intended as a product specification. We also provide options for custom formulations using recycled polypropylene (PP) and polyethylene (PE). 1.844.4AVIENT www.avient.com Copyright © 2025, Avient Corporation. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.

MESA™ Stain Colorants COLOR SELECTOR MESA™ POOL COLORANTS PROVIDE STRIKING, CONSISTENT COLOR that can be relied on for a beautiful, lasting finish in any pool. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. To provide comparable financial results, the Company references “pro forma” financial metrics, which include the business results of CMB for periods prior to the Acquisition Date. Management believes this provides comparability of the performance of the combined businesses.

The report provides an update on Avient's contributions and impact in creating a more sustainable future, including progress that the company has made towards its 2030 goals. Webcast Details Avient will provide additional details on its 2024 second quarter and 2024 full-year outlook during its webcast scheduled for 8:00 a.m. The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as adjusted EPS and adjusted EBITDA, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort.

FLEXCART OPTIONS The table below provides some guidance on the choice of optional components. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment. Avient can provide support and assistance on every aspect of liquid color and additive processing.

FLEXCART™ NANO METERING SYSTEM The FlexCart Nano system is the smallest version of the FlexCart systems, providing a compact metering unit suited for very short production runs and small laboratory/pilot plant systems. Avient can provide support and assistance on every aspect of liquid color and additive processing. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.

Microsoft PowerPoint - PolyOne Investor Presentation 5.4.20_v8 P E O P LE P RO D U CT S P LA N E T P E RF O R MAN C E JVs Performance Products & Solutions Distribution Specialty To be the world’s premier provider of specialized polymer materials, services and solutions To be the world’s premier provider of specialized polymer materials, services and sustainable solutions 2016 2017 2018 2019 Lightweighting Reduced Material Requirements Improved Recyclability Renewable Energy Applications Eco-conscious Bio-derived Content Reduced Energy Use VOC Reduction $275M $325M $355M $410M 14% Total Annual Growth 9% Organic Annual Growth PolyOne Corporation 33 Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results. On January 28, 2020, prior to the issuance of the additional shares, the Company provided guidance for adjusted EPS for the first quarter of 2020.

Avient’s chemically compatible Versaflex™ PKG thermoplastic elastomers provide a wide range of tactile finishes and surface textures and are REACH SVHC compliant. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.

With on-time delivery as a standard and additional technical assistance when needed, Avient experts can provide support in selecting the best material for your application. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.

TRILLIANT™ XR Thermoplastics for Radiation Shielding Trilliant™ XR thermoplastic solutions provide a radiation-shielding alternative to the use of lead in healthcare imaging equipment. These machines have traditionally been manufactured using lead to provide such protection. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.