Microsoft Word - Avient Announces Registration Details for December 4th Investor Day _for Microsite 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 4th Investor Day CLEVELAND – November 4, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, will host an Investor Day for the investment community on Wednesday, December 4, 2024, beginning at 10:00 a.m. Ashish Khandpur, President and Chief Executive Officer of Avient Corporation. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com

Facility: Avient Corporation - Global Headquarters - Avon Lake, OH 33587 Walker Road Facility: Avient Corporation - Ahrensburg Kornkamp 50 22926 Ahrensburg, Schleswig-Holstein Germany Activity: Management of EMS, Responsible Care Corporate Support Activities in Sr. Gebze, Kocaeli 41448 Turkey Activity: Design and Manufacture of Colorants and Additives for Plastics Activity: Design and Manufacture of Colour and Additive Concentrates, Facility: Avient Corporation - Guangzhou, China 2#, Nanyunsan Rd, Huangpu District, Science City Guangzhou Hi-Tech Industrial Development Zone Guangzhou, Guangdong Province 510663 Facility: Avient Corporation - Guatemala City 27 Avenida 34-11, Zona 12 Complejo Parque Guatemala City 01012 Guatemala Facility: Avient Corporation - Binh Duong, Vietnam 03 Street 02, VSIP Thu n An, Binh Duong 820000 Vietnam Facility: Avient Corporation - Butterworth, Malaysia Lot 1232, MK. 15, Kawasan Industri Kecil & Sederhana Butterworth, Penang 14120 Malaysia Page 4 of 10 Facility: Avient Corporation - Kalol, India Kalol Works, Shed No.18-22 GIDC Estate Kalol, Gujarat 389330 Facility: Avient Corporation - Konstantynow Lódzkie, Poland ul. De Martorell, 124 Sant Andreu, Barcelona 8740 Facility: Avient Corporation - Santa Clara, Mexico Plásticos 28 int B102 Santa Clara Coatitla, Ecatepec de Morelos, Estado de México 55540 México Activity: Design and Manufacture of Colour and Additive Concentrates, Facility: Avient Corporation - Shanghai (Xinzhuang), China No. 88, Lane 4377 Jindu Road Minhang District Shanghai 201108 Facility: Avient Corporation - Shenzhen, China No. 1, Qihang Industry Park, Haoxiang Road Shajing Town, Baoan Shenzhen, Guangdong Province 518104 Facility: Avient Corporation - Rania, India Survey No.344/1-2-3 Rania Works, Sakarda Bhadarwa Road Rania, Gujarat 391780 Facility: Avient Corporation - Riyadh, Saudi Arabia 2nd Industrial City, Al-Kharj Road P.O.

Facility: Avient Corporation - Global Headquarters - Avon Lake, OH 33587 Walker Road Facility: Avient Corporation - Ahrensburg Kornkamp 50 22926 Ahrensburg, Schleswig-Holstein Germany Activity: Management of EHS, Responsible Care Corporate Support Activities in Sr. Gebze, Kocaeli 41448 Turkey Activity: Design and Manufacture of Colorants and Additives for Plastics Activity: Design and Manufacture of Colour and Additive Concentrates, Facility: Avient Corporation - Guangzhou, China 2#, Nanyunsan Rd, Huangpu District, Science City Guangzhou Hi-Tech Industrial Development Zone Guangzhou, Guangdong Province 510663 Facility: Avient Corporation - Guatemala City 27 Avenida 34-11, Zona 12 Complejo Parque Guatemala City 01012 Guatemala Facility: Avient Corporation - Binh Duong, Vietnam 03 Street 02, VSIP Thu n An, Binh Duong 820000 Vietnam Facility: Avient Corporation - Butterworth, Malaysia Lot 1232, MK. 15, Kawasan Industri Kecil & Sederhana Butterworth, Penang 14120 Malaysia Page 4 of 10 Facility: Avient Corporation - Kalol, India Kalol Works, Shed No.18-22 GIDC Estate Kalol, Gujarat 389330 Facility: Avient Corporation - Konstantynow Lódzkie, Poland ul. De Martorell, 124 Sant Andreu, Barcelona 8740 Facility: Avient Corporation - Santa Clara, Mexico Plásticos 28 int B102 Santa Clara Coatitla, Ecatepec de Morelos, Estado de México 55540 México Activity: Design and Manufacture of Colour and Additive Concentrates, Activity: Design and Manufacture of Colorants and Additives for Plastics Facility: Avient Corporation - Shanghai (Xinzhuang), China No. 88, Lane 4377 Jindu Road Minhang District Shanghai 201108 Facility: Avient Corporation - Shenzhen, China No. 1, Qihang Industry Park, Haoxiang Road Shajing Town, Baoan Shenzhen, Guangdong Province 518104 Facility: Avient Corporation - Rania, India Survey No.344/1-2-3 Rania Works, Sakarda Bhadarwa Road Rania, Gujarat 391780 Facility: Avient Corporation - Riyadh, Saudi Arabia 2nd Industrial City, Al-Kharj Road P.O.

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.

Board-level committee Avient’s Board recently collectively reviewed its role, and the roles of the Avient Board Committees, in sustainability and ESG. Yes, achieving this target will support Avient's achievement of Abs1. Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 85 In all of its activities, Avient puts high emphasis on environmental protection and safety.

Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 2 In all of its activities, Avient puts high emphasis on environmental protection and safety. Board-level committee Avient’s Board recently collectively reviewed its role, and the roles of the Avient Board Committees, in sustainability and ESG. Avient is fully aligned with the ACC’s position on climate.

How does Avient help reduce carbon footprint? The Avient PAC Committee, comprised of Avient PAC Members, meets, discusses key topics and decides the annual budget. Avient’s management presents the ERM analysis to Avient’s Board of Directors regularly.

How does Avient help reduce carbon footprint? The Avient PAC Committee, comprised of Avient PAC Members, meets, discusses key topics and decides the annual budget. Avient’s management presents the ERM analysis to Avient’s Board of Directors regularly.

It should be remembered that customers and suppliers of Avient also may be competitors of Avient Your supervisor or any Avient manager • The Corporate Ethics Officer via email at ethics.officer@avient.com • Avient’s General Counsel via email at legal.officer@avient.com • Any member of the Legal department • The Avient Ethics Hotline Avient Ethics Hotline The Ethics Hotline is available globally in over 20 languages, 24 hours a day, 7 days a week, by phone and through a website. Consult with the Avient Legal Department if you have any questions. 14.

En este Código, los “empleados de Avient” incluyen los empleados, directores, agentes, consultores y contratistas de Avient en todas las subsidiarias de Avient. ¿Es coherente con el Código y los valores de Avient? No lo reconocí y no llevaba una insignia de Avient.