All rights reserved. 38223Certificate No: 0313794IATF No: Facility: 1260 Carden Farm Drive Clinton, TN 37716 Activity: Warehousing & Distribution Facility: Avon Lake Engineered Materials Producer Services Division Suppor 33587 Walker Road Avon Lake, OH 44012 Facility: 33587 Walker Road Avon Lake, OH 44012 Activity: Logistics, Purchasing, Customer Service & Strategic Planning Activity: Logistics, Purchasing, Customer Service & Strategic Planning

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CLEVELAND – PolyOne Corporation (NYSE: POL), a premier global provider of specialized polymer materials, services and solutions, today announced additional realignment actions to better serve customers and to increase utilization of its manufacturing assets in North America. Under the leadership of our Producer Services team located in Texas, we look forward to expanding our capabilities in Mexico with improved customer service, quality and delivery.” PolyOne Corporation, with 2012 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and solutions.

Oversee and maintain a competitive executive officer compensation program in order to attract and retain qualified executives and to provide incentives to executive officers that reward pay for performance in attaining the Company’s goals and objectives In consultation with appropriate officers of the Company, oversee (or provide for the oversight of) regulatory compliance with respect to compensation matters, including with respect to applicable tax laws The Company must provide for appropriate funding, as determined by the Committee, for payment of reasonable compensation to a compensation consultant, independent legal counsel or any other adviser retained by the Committee

Oversee and maintain a competitive executive compensation program to attract and retain qualified executive officers and to provide incentives that reward pay for performance in attaining the Company’s goals and objectives In consultation with appropriate officers of the Company, oversee (or provide for the oversight of) regulatory compliance with respect to compensation matters, including with respect to applicable tax laws The Company must provide for appropriate funding, as determined by the Committee, for payment of reasonable compensation to a compensation consultant, independent legal counsel or any other adviser retained by the Committee.

Avient does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA, Adjusted Earnings Per Share and Adjusted Tax Rate, to the most comparable GAAP financial measures on a forward- looking basis because Avient is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation. Management believes this provides comparability of the performance of the combined businesses.

Avient does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA, Adjusted Earnings Per Share and Free Cash Flow, to the most comparable GAAP financial measures on a forward-looking basis because Avient is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation. Management believes this provides comparability of the performance of the combined businesses.

Transcend Healthcare Colorants are available with low minimum order quantities and full technical and customer service support. 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.

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 plēt LCF40-PP plēt LGF60-TPU OnForce LGF50-PP Alum inum A380 M agnesium AZ91D plēt LCF50-PA66 plēt LGF60-PA66 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.