Microsoft Word - Terms and Conditions - Brazil (Clean 12-17-24) NAI-1524021340v5 TERMOS E CONDIÇÕES ESTES TERMOS E CONDIÇÕES REGEM A VENDA DE PRODUTOS A OUTRO ("COMPRADOR") PELA AVIENT CORPORATION E SUAS AFILIADAS (“VENDEDOR”). 1.

Microsoft Word - Terms and Conditions of Sale for Chile (English and Spanish Translation) TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1.

subject= http://Avient.com mailto:https://secure.ethicspoint.com/domain/media/en/gui/49178/index.html? CÓDIGO DE CONDUCTA | 17 ÍNDICE INTRODUCCIÓN NUESTRO CÓDIGO DE CONDUCTA RESPETO POR TODOS HONESTIDAD EN EL TRABAJO INTEGRIDAD EN NUESTRO NEGOCIO RESPONSABILIDAD SOCIAL CORPORATIVA RECURSOS http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/GlobalPrivacyandDataProtectionPolicies/tabid/1870/Default.aspx http://polynet/ethics/GlobalPrivacyandDataProtectionPolicies/tabid/1870/Default.aspx http://polynet/ethics/GlobalPrivacyandDataProtectionPolicies/tabid/1870/Default.aspx http://polynet/ethics/GlobalPrivacyandDataProtectionPolicies/tabid/1870/Default.aspx Información privilegiada y tráfico de información En Avient, es posible que esté al tanto de información sustancial relacionada con Avient o con alguna empresa con la que hacemos negocios que no se haya divulgado al público. subject= http://Avient.com/sustainability mailto:https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0?

LETTER TO SHAREHOLDERS March 27, 2024 Dear Shareholder: You are invited to attend and participate in the Avient Corporation 2024 Annual Meeting of Shareholders (the “Annual Meeting”), which will be held virtually via live webcast at 9:00 a.m. Please carefully review the proxy materials for the Annual Meeting, which will be held virtually via live webcast on Thursday, May 16, 2024 at 9:00 a.m. ATTENDANCE AND PARTICIPATION Our Annual Meeting will be conducted on the internet via live webcast.

We’ll provide step-by-step guidance and expertise to get you the solution you need. https://www.avient.com/restrictions-use-dispersions-products https://www.avient.com/restrictions-use-dispersions-products https://www.avient.com/restrictions-use-dispersions-products

The webcast can be viewed at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/edkwvu9r. For more information, visit www.avient.com/. http://www.avient.com/investors https://edge.media-server.com/mmc/p/edkwvu9r https://edge.media-server.com/mmc/p/edkwvu9r http://www.avient.com/investors https://www.avient.com/ 3 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.

All Rights Reserved. https://www.avient.com/products/polymer-additives/processing-enhancement-additives/colorant-chromatics-pvdf-processing-aids Slide 1: Wire & cable oem

All rights reserved. http://www.abs-qe.com/cert_validation PolyOne Corporation has been assessed by ABS Quality Evaluations,Inc. and found to be in conformance with the requirements set forth by: Certificate No: 55287

All rights reserved. http://www.abs-qe.com/cert_validation PolyOne Corporation has been assessed by ABSQuality Evaluations,Inc. and found to be in conformance with the requirements set forth by: Certificate No: 55421

All Rights Reserved. https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates