• Complēt™ long glass, long carbon, and hybrid fiber solutions available in a wide array of engineering polymer matrices, including PA66, PA6, ETPU, PPA, PPS, PES, PEI, PK, and PEEK • OnForce™ long glass fiber reinforced polypropylenes • Full suite of design and engineering services that include structural design and fiber orientation consultations and modeling, CAE analysis, prototyping, and more STRENGTH-TO-WEIGHT RATIO OF LFT VS METALS m eg ap as ca l gram /cubic centim eter 250 200 150 100 50 0 9.00 8.00 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 Zam ak 3 Stainless Steel 304 Titanium #2 Com plēt LCF40-PP Com plēt LGF60-TPU OnForce LGF50-PP Alum inum A380 M agnesium AZ91D Com plēt LCF50-PA66 Com plēt LGF60-PA66 Com plēt LCF50-TPU Specific Strength Density Metal Long Glass Fiber Long Carbon Fiber 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.

Product/Service Overview Product/Service Overview How TPEs provide sensory enhancement in surface feel and texture

About PolyOne  PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Net cash (used) provided by investing activities Net cash provided (used) by financing activities

These customizable thermoplastics provide stable and controlled dielectric performance, plus ultra-low transmission loss at mmWave frequencies up to 220 GHz. Ideal applications include antennas, base stations, resonators, lenses, automotive radar, IoT (Internet of Things) devices, and service providers’ equipment that directly serves end-users, such as routers and modems. 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.

The hotline is operated by an external professional service company and ensures anonymity. In 2024, we launched a third-party risk system to proactively monitor supply chain resiliency across our supplier base, which would provide Avient with notification of public disclosures. Our procurement and compliance teams will continue to focus on identifying and addressing any potential risks in our supply chain and the business will continue to provide awareness and training to all of its employees.

Product/Service Overview Product/Service Overview Maxxam™ FR Polypropylene Solutions provide cost savings and improve data processing capabilities

By using the PCR Color Prediction Service, L’Oréal was able to efficiently address these challenges.  L’Oréal’s Redken launch would not have been possible without this service.”   Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

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. Management believes this provides comparability of the performance of the combined businesses. A reconciliation of these measures to their most directly comparable GAAP measures is provided in the tables below.

Committed financing for the acquisition is being provided by Morgan Stanley and J.P. To participate in the audio-only portion of the call, dial 1-844-835- 7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 4774915. To listen to this recording, dial 1-855-859- 2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 4774915.

The Avient Color and Additives team for LATAM will showcase sustainable solutions and services for consumer goods and packaging at the ABRE Sustainability Forum in São Paulo, Brazil.   Avient will highlight solutions and services for lightweighting, recycling, biopolymers, and more, including:   Avient Corporation provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world.