a technology company with a product and services portfolio of personal systems, printers, and 3D printing solutions, since 2022. Wulfsohn EXECUTIVE COMPENSATION 76 PROXY STATEMENT 2023 | Annual Meeting of Shareholders MISCELLANEOUS PROVISIONS INTERNET AVAILABILITY OF PROXY MATERIALS In accordance with rules and regulations adopted by the Securities and Exchange Commission, we may furnish proxy materials by providing internet access to those documents, instead of mailing a printed copy of our proxy materials to each shareholder. MISCELLANEOUS 78 PROXY STATEMENT 2023 | Annual Meeting of Shareholders PROXY SOLICITATION Avient is making this proxy solicitation and will bear the expense of preparing, printing and mailing this notice and proxy statement.

Rutland is a leading producer of specialty inks and an innovator in textile screen printing solutions and services. On June 8, 2017, the Company completed the acquisition of Rutland Holding Company (Rutland), a leading producer of specialty inks and an innovator in textile screen printing solutions and services. Rutland is a leading producer of specialty inks and an innovator in textile screen printing solutions and services.

a technology company with a product and services portfolio of personal systems, printers, and 3D printing solutions, since 2022. Wulfsohn EXECUTIVE COMPENSATION 76 PROXY STATEMENT 2023 | Annual Meeting of Shareholders MISCELLANEOUS PROVISIONS INTERNET AVAILABILITY OF PROXY MATERIALS In accordance with rules and regulations adopted by the Securities and Exchange Commission, we may furnish proxy materials by providing internet access to those documents, instead of mailing a printed copy of our proxy materials to each shareholder. MISCELLANEOUS 78 PROXY STATEMENT 2023 | Annual Meeting of Shareholders PROXY SOLICITATION Avient is making this proxy solicitation and will bear the expense of preparing, printing and mailing this notice and proxy statement.

a market leader in sustainable, water-based inks technology for the textile screen printing industry. 

CÓDIGO DE CONDUCTA | 25 ÍNDICE INTRODUCCIÓN NUESTRO CÓDIGO DE CONDUCTA RESPETO POR TODOS HONESTIDAD EN EL TRABAJO INTEGRIDAD EN NUESTRO NEGOCIO RESPONSABILIDAD SOCIAL CORPORATIVA RECURSOS mailto:mailto:Global%2520Trade%2520Compliance%3Fsubject%3D?

UPPFÖRANDEKOD | 25 INNEHÅLLSFÖRTECKNING INTRODUKTION VÅR UPPFÖRANDEKOD RESPEKT FÖR ALLA ÄRLIGHET PÅ ARBETET INTEGRITET I VÅRA AFFÄRER BOLAGETS SOCIALA ANSVAR RESURSER mailto:mailto:Global%2520Trade%2520Compliance%3Fsubject%3D?

Employee Name (Please print) Signature Date Work Location Table of Contents A Message from the CEO Our Code of Conduct Guidelines for Ethical Behavior Personal Values Your Responsibilities Additional Responsibilities of Avient Supervisors and Managers Resolving Questions and Reporting Non-Compliance Situations Ethics Hotline Non Retaliation Code of Conduct Application Violations of the Code Respect for All Diversity and Inclusion Discrimination or Harassment Workplace Relationships Substance Abuse Physical Security and Workplace Violence Honesty at Work Accurate Information, Data and Records Accounting Integrity Company Communications Safeguarding and Use of Assets Proprietary and Confidential Information, Ideas and Intellectual Property Privacy, Personal Information and Data Protection Internet and E-mail Use Social Media and Social Networking Computer Security, Software Licensing and Copyrights Insider Information and Trading Political Contributions / Activities and Charitable Contributions Government Investigations and Inquiries Integrity in Our Business Fair Dealing Bribery and Kickbacks Agents and Consultants Competition Gifts and Hospitality Conflicts of Interest Self-Dealing International Trade Money Laundering Corporate Social Responsibility Sustainability Safety, Health and Environment Product and Service Safety Respecting Human Rights A Shared Commitment Resources and Contact Information Our Policies Internal Contacts—Ethics and Compliance Resources Ethics Hotline

ECCOH™ Low Smoke and Fume Non-Halogen Formulations Zodiac™ Aquarius™ Water Based Screen Printing Inks MagIQ™ Non-Woven Electret Plus Technology Example Products and Sustainable Outcomes HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 41 https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/edgetek-ld https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/complēt-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/polymer-additives/oxygen-scavengers/colormatrix-amosorb-low-haze https://www.avient.com/products/polymer-additives/processing-enhancement-additives/oncap-multi-purge-additives https://www.avient.com/products/polymer-additives/processing-enhancement-additives/oncap-ctr https://www.avient.com/products/polymer-additives/reheat-additives-pet/colormatrix-joule-reheat-additive-pet https://www.avient.com/products/thermoplastic-elastomers/onflex-thermoplastic-elastomers https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-fx-special-effect https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/syncure-crosslinked-polyethylene-formulations https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-pultruded-rods-tubes-custom-profiles https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-ir-sortable-black-recyclable-packaging https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/nymax-pir-and-resound-r-nd-recycled-nylon-formulations https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-naturals-colorants https://www.avient.com/products/thermoplastic-elastomers/resound-om-thermoplastic-elastomers https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/screen-printing-inks/zodiac-aquarius/aquarius-soft-base-ink https://www.avient.com/products/fiber-solutions/magiq-fiber-additives/magiq-non-woven-electret-plus Enabling A Circular Economy Circular Economy Highlighted Solutions: ColorMatrix™ Amosorb™ Oxygen Scavenger for PET Creates an active barrier against oxygen ingress to help enhance product protection and extend shelf life.

Instructions for voting by telephone and over the Internet are printed on the proxy cards. Proxy Solicitation We are making this proxy solicitation and will bear the expense of preparing, printing and mailing this notice and proxy statement.

Instructions for voting by telephone and over the Internet are printed on the proxy cards. Proxy Solicitation We are making this proxy solicitation and will bear the expense of preparing, printing and mailing this notice and proxy statement.