This business applies materials science expertise to commercialize products and solutions for a variety of market segments, including automotive, automotive electrification, semiconductors, LCD and OLED displays, consumer electronics, data centers, 5G networks, and transportation safety and generated approximately For more information, visit https://www.avient.com.

For the viscosity data of a specific TPE, refer to the individual product technical data. For the viscosity data of a specific GLS TPE, refer to the individual product technical data. The insert should be molded in accordance with supplier recommendations (drying, adequate melt and mold temperatures).

As suppliers of these materials continue to develop innovations in chemistry and capabilities, the appeal of both TPEs and LSR will grow even stronger. CHECK OUT THIS BEGINNERS GUIDE TO TPES https://www.avient.com/idea/video-advances-overmolding https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center/beginners-guide Pr od uc t P er fo rm an ce Market Pricing ($/lb.) When looking to incorporate sustainable content into your TPE, the raw material cost may be more expensive than traditional materials for three reasons 1) supply chain maturity, 2) high demand, low supply, 3) location of source and supplier.

Our policy is to conduct business in a manner that complies with regulatory and other requirements while warranting the safety and health of our associates, customers, contractors, suppliers, and the communities in which we operate. It is the responsibility of each person at Avient, including contractors, suppliers, and visitors, to follow all security procedures, to remain aware of and report all possible security threats, to remain committed to working in a secure and safe manner, and to be prepared to respond to emergencies safely and effectively.

It is our policy to conduct business in a manner that ensures the safety and health of employees, customers, suppliers and the communities in which we operate. It is the responsibility of each person at Avient, including contractors, suppliers, and visitors, to follow all security procedures, to remain aware of and report all possible security threats, to remain committed to working in a secure and safe manner, and to be prepared to respond to emergencies safely and effectively.

In order to deliver the best blow molding performance, it is customary within the conversion industry to establish ‘recipe’ guidelines per resin/per supplier as different PET resin production technologies and different specific resin formulations can significantly influence the blow molding performance. As a major supplier of additives and colors to the plastics industry, ColorMatrix has, in the course of supporting its customers worldwide, developed best practice guidelines for its products which it provides as a free service.

2 /Ju n- 20 19 /V er si on 1 .0 Certificate Avient Colorants Singapore Pte Ltd 8 Third Chin Bee Road Jurong Industrial Estate 618684 Singapore Singapore Scope Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, infrastructure, Warehouse and Transport Normative base EN ISO 13485:2016 Medical devices – Quality Management System Reg. no. 45483 Validity 01. 03. 2022  – 28. 02. 2025 Issue 01. 03. 2022  A.Grisard, President SQS F.

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

Webcast Details The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/k7okojz2. http://www.avient.com/investors https://edge.media-server.com/mmc/p/k7okojz2 https://edge.media-server.com/mmc/p/k7okojz2 http://www.avient.com/investors 4 About Avient Avient Corporation (NYSE: AVNT), with 2021 revenues of $4.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. # # https://www.avient.com/ 5 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

Webcast Details The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/yrq7mgm9.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 7899765. http://www.avient.com/investors https://edge.media-server.com/mmc/p/yrq7mgm9 https://edge.media-server.com/mmc/p/yrq7mgm9 http://www.avient.com/investors 3 Full Year Comparisons Pro Forma for Acquisition of Clariant’s Color Business The company acquired Clariant’s color (“Clariant Color”) business on July 1, 2020 (the “Acquisition Date”). # # http://www.avient.com/ 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.