Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Avient offers UL 94 compliant concentrates and flame retardant solutions which meet the latest UL 94 and Glow Wire fire standards, while also considering technical requirements, coloration options and cost efficiency. Our representatives can suggest the most suitable standard or custom solution. 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information. Visit avient.com or connect with us now Property Unit Hammerhead Composite Panel (non-FR) Hammerhead FR Flame Retardant Panel Areal Weight (lb/sqft) 1.15 1.34 Thickness (in) 1.02 1.02 Max Force* (lbf) 447 508 Modulus* (ksi) 323 321 Flexural Rigidity* (lb*in^2) 85,000 84,000 R-Value (/in) 4 4 MECHANICAL PROPERTIES * ASTM D7249, 22” support span 4-point bend Hammerhead FR Flame Retardant Panel Panel Thickness 1 in. 4 in.

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

LoC No: 798019/2023 Page 1 of 1 Letter of Conformity Good Manufacturing Practices — Guidelines The Letter of Conformity is granted to Polyone Polymers India Private Limited Plot No. F -27, MIDC, Ranjangaon, Taluka – Shirur, Pune Maharashtra 412220 India Hold this Opinion Statement No. 798019/2023 The Organization has demonstrated that they have followed the guidelines provided for Good Manufacturing Practices as per the ICHQ7 guidelines in their organization for the following Business activity: Research and Development, Manufacture of Color additives, Concentrates and Specialty Formulations for intended use in pharma and other industries Theuns Kotze, Managing Director – IMETA Assurance Last Audit Date: 31.10.2023 BSI Group India Private Limited T: +91-4762-9000 (CIN U74899DL1999PTC101381 info.in@bsigroup.com The Mira Corporate Suites bsigroup.com/en-IN Plot 1&2, Ishwar Nagar, Mathura Road New Delhi-110065, India

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