A sample of A-list companies from your Activity Group: AmorePacific Corporation Beiersdorf AG Borregaard ASA CDP SCORE REPORT - CLIMATE CHANGE 2023 Avient received an A- which is in the Leadership band. Leadership (A/A-): Implementing current best practices Management (B/B-): Taking coordinated action on climate issues Awareness (C/C-): Knowledge of impacts on, and of, climate issues Disclosure (D/D-): Transparent about climate issues UNDERSTANDING YOUR SCORE REPORT ACTIVITY GROUP PERFORMANCE Chemicals A- Your CDP score Average performance B C C Chemicals North America Global Average *Please note that the peer group average scores are compiled with only investor- requested company scores Avient Region North America Country/Area United States of America Questionnaire Chemicals Activity Group Chemicals The CDP Score Report allows companies to understand their score and indicate which categories require attention to reach higher scoring levels.

These advanced, customizable formulations are ISO 10993 compliant, compatible with gamma, autoclave, or EtO sterilization, and come in pre- colored or natural grades. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. STANDARD COLORS FOR BIOPHARMACEUTICAL APPLICATIONS GLASS FILL COLOR PRODUCT NAME 10% Bright White HC8910-0004 RS 20% HC8910-0017 RS 33% HC8910-0018 RS 10% Cool Gray 1C HC8910-0005 RS 20% HC8910-0006 RS 10% Cool Gray 3C HC8910-0007 RS 20% HC8910-0008 RS 10% Warm Gray 1 C HC8910-0009 RS 20% HC8910-0010 RS 10% TPX 12-0703 Tan HC8910-0011 RS 20% HC8910-0012 RS 10% 542C Blue HC8910-0013 RS 20% HC8910-0014 RS 10% 301C Blue HC8910-0015 RS 20% HC8910-0016 RS Colors may vary from actual color shown

Copyright © 2023, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

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. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. The company noted the following segment highlights: The Color, Additives and Inks segment delivered record operating income of $89 million during the first quarter, a 40% increase over the prior year. About Avient Avient Corporation (NYSE: AVNT), with 2020 pro forma revenues of $3.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Number: BC1228188 CERTIFICATE OF CHANGE OF NAME BUSINESS CORPORATIONS ACT I Hereby Certify that POLYONE CANADA ULC changed its name to AVIENT CANADA ULC on January 15, 2021 at 12:13 PM Pacific Time.

Due to the variation in scrap streams, they are colored black to deliver lot-to-lot consistency, but additional color options are also possible. Copyright © 2023, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

เคารพเสรีภาพของลูกค้าของคุณ โดยไม่กำ�หนดข้อจำ�กัด ดา้นราคา อาณาเขต ลูกคา้หรอืเรือ่งทั่วไปตอ่ความสามารถของ ลูกคา้ของคณุในการขายตอ่ผลิตภัณฑ์ของ Avient โดยไม่ไดร้บั อนุญาตจากฝ่ายกฎหมายของ Avient ล่วงหน้า 10. ดำ�เนินการปรกึษากับฝ่ายกฎหมายของ Avient ก่อนเลิกจ้าง ตวัแทน ผู้จำ�หน่ายหรอืผู้จัดจำ�หน่าย 12. เวน้แตค่ณุไดร้บัอนุญาตล่วงหน้าจากฝ่ายกฎหมายของ Avient ที่จะทำ�การตกลงเช่นน้ัน ห้ามม ิให้พยายามที่จะรบัข้อตกลงจาก ลูกคา้ที่จะซือ้ข้อกำ�หนดทัง้หมดของผลิตภัณฑ์ที่เฉพาะเจาะจง จาก Avient เท่าน้ัน ซ่ึงจะทำ�ธุรกิจกับ Avient แตผู่้เดยีว หรอืจะ ไม่ซือ้ หรอืมิฉะน้ันจะรบัผลิตภัณฑ์ที่มีการแข่งขัน นอกจากน้ี ห้ามมิ ให้เรยีกรอ้งให้ลูกคา้ซือ้ผลิตภัณฑ์หรอืบรกิารหน่ึงเพื่อเป็น เงือ่นไขในการขายผลิตภัณฑ์หรอืบรกิารอื่นของคณุ โดยไม่ไดร้บั การอนุญาตจากฝ่ายกฎหมายของ Avient 13.

REPÚBLICA FEDERATIVA DO BRASIL CADASTRO NACIONAL DA PESSOA JURÍDICA NÚMERO DE INSCRIÇÃO 02.166.983/0001-66 MATRIZ COMPROVANTE DE INSCRIÇÃO E DE SITUAÇÃO CADASTRAL DATA DE ABERTURA 03/10/1997 NOME EMPRESARIAL AVIENT BRASIL LTDA.

This Antitrust Policy supplements the Competition section of Avient’s Code of Conduct. This Antitrust Policy applies to everyone at Avient and its subsidiaries, divisions and joint ventures including all officers, employees and agents or other third parties acting on Avient’s behalf anywhere in the world. Consult with the Avient Legal Department if you have any questions. 14.