Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is a certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste. Avient Specialty Other Specialty / 2023E(%) 31 79 87 81 79 76 73 90 77 76 75 73 64 59 33 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.89.

Avient Resources Avient Resources LFT Basics - Understanding Long Fiber Thermoplastics

Avient Resources Avient Resources LFT Basics - Understanding Long Fiber Thermoplastics

Avient Resources Avient Resources Polystrand™ Continuous Fiber Reinforced Thermoplastic Technologies - Product Bulletin

Avient Resources Avient Resources Long Fiber Thermoplastics for Brackets and Latches

Avient Resources Avient Resources Long Fiber Thermoplastics for Brackets and Latches

At Avient, we’ve built a culture of winning and how we do so is unique, lasting and difficult to replicate. Speed to market is essential today, and Avient plays a crucial role in our customers’ success. We are Avient.

Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”). Assess top 90% of supplier spend for alignment with Avient Sustainability objectives. We are Avient.

The use of a small amount of a dusting agent such as talc or calcium carbonate can minimize agglomeration during the grinding process.

Este é para certificar que o Sistema de Gestão da Qualidade da: Avient Itupeva - Brasil AVIENT BRASIL LTDA Av. Francisco Nakasato, 1700 Bairro São Roque das Chaves Itupeva, SP 13295-000 Brasil ISO 9001:2015 O Sistema de Gestão da Qualidade é aplicável a: Certificado No: 49862 Data de Expiração Anterior: 09 Abril 2020 Data de Aprovação Original: 16 Abril 2014 Data de Certificação: 13 Abril 2020 Data Efetiva: 06 Abril 2023 Data de Expiração: 09 Abril 2026 Data de Emissão: 06 Abril 2023 Dominic Townsend, Presidente DEVELOPMENT, PRODUCTION, SALES AND TECHNICAL ASSISTANCE OF LIQUID COLORANTS, COLORS CONCENTRATES AND ADDITIVES FOR THE PLASTICS, FIBERS AND RUBBER MARKET IN GENERAL DESENVOLVIMENTO, PRODUÇÃO, VENDAS E ASSISTÊNCIA TÉCNICA DE COLORANTES LÍQUIDOS, CONCENTRADOS DE CORES E ADITIVOS PARA O MERCADO DE PLÁSTICOS, FIBRAS E BORRACHAS EM GERAL.