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Avient Announces Second Quarter 2025 Results... Avient Announces Quarterly Dividend... Avient To Hold Second Quarter 2025 Conference Call...

Count on Avient to deliver exceptional performance with polymer color and additive solutions for OEMs, processors and converters who are focused on essential healthcare applications. Select from an already approved range of color concentrates, or let us develop custom formulations based on your needs. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Park, China (Shanghai) Pilot Free Trade Zone, Shanghai, China 201203 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: GB/T 19001-2016 / ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Colour and Additive Concentrates http://www.dnv.com/assurance Certificate no.: 7071-1998-AQ-RGC-RvA Place and date: Shanghai, 20 March 2024 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Page 2 of 2 Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Polymer (Tianjin) Company Limited No. 28#C, Jin Bin Hi-Tech Industrial Park, No. 156, Nan Hai Road, Tianjin Economic- Technological Development Area, Tianjin, China 300457 Manufacture of Colour and Additive Concentrates PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. Park, China (Shanghai) Pilot Free Trade Zone, Shanghai, China 201203 Design and Manufacture of Colour and Additive Concentrates http://www.dnv.com/assurance

AUTOMOTIVE MIRROR & CAMERA MANUFACTURER C A B L E G R O M M E T • Electrically conductive AVIENT SOLUTION EMI-SHIELDING LEARN MORE Copyright © 2023, Avient Corporation.

TAKE THE HEAT FLEX, RETURN, REPEAT PROCESSED & RAW FOOD PHARMACEUTICAL PRODUCTS FORESTRY PRODUCTS RECYCLED MATERIALS MINED/QUARRIED ROCK, ORE, COAL, SAND POWDER AGRICULTURAL PRODUCTS Avient composite springs are tested to 1.5+ million cycles with no loss of spring rate. 1.5+ MILLION CYCLES Avient composite springs maintain performance levels even in high temperature applications up to 300°F. 300° FAHRENHEIT • Composites are up to 70% lighter than steel. • Composites resist corrosion; steel rusts easily unless it is painted or coated. 70% LIGHTER TRADITION OF EXCELLENCE Based on the proven performance of Gordon Glass™, the material of choice in composite archery bow limbs since 1953, our thermoset composite springs deliver unmatched strength & deflection for the most demanding applications. Avient’s Gordon Composites™ materials are sourced from US suppliers and proudly manufactured in Montrose, Colorado. To learn more, download our Composite Springs Product Selection & Installation Guide or contact Avient at +1.844.4AVIENT or visit www.avient.com.

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MAJOR W&C PRODUCER L O W - V O L T A G E W I R E J A C K E T & I N S U L A T I O N • Flame retardance • Heat resistance up to 125°C • Long term insulation resistance (LTIR) • Cold temperature resistance • Offered singular formulation capable of meeting UL-44, UL-4703, UL-1277 and CSA 22.2 listing specifications • Delivered economical solution suitable for multiple end-use commercial and residential applications • Provided on-site technical support to optimize production quality and speed Syncure™ XLPE Cross-linkable Polyethylene Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION REGULATORY COMPLIANCE LEARN MORE Copyright © 2021, Avient Corporation. All Rights Reserved. https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/syncure-xlpe-cross-linkable-polyethylene-formulations