Sequeira joined Avient in May 2024, bringing nearly 25 years of experience in information technology to this role. Before joining Avient, Mr. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Beggs is Senior Vice President and Chief Financial Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Beggs joined Avient in August 2020 and has more than 20 years of experience in finance and business leadership roles in both public and private organizations with an emphasis on specialty materials and diverse end markets. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

JOHN MIDEA Senior Vice President, Global Operations and Process Improvement John Midea is Senior Vice President, Global Operations and Process Improvement at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Midea joined Avient in February 2015 and leads the company’s award-winning global operational excellence initiatives, including manufacturing process improvement, environmental health and safety, global sourcing and logistics, Lean Six Sigma training and deployment, and acquisition integration. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

SAFETY & HEALTH POLICY Avient Corporation believes that safety and health are the highest corporate priority. Avient strives to be the industry leader in safety and health by setting aggressive goals, measuring performance, and making necessary adjustments. Each Avient associate’s responsibility is to give the highest priority to safety and health, both on and off the job.

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.

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.

AVIENT RESPONSIBLE CARE POLICY Avient Corporation conducts its operations in a manner that is protective of the environment, and the health, safety and security of associates, customers, and all our stakeholders, including the communities in which we operate. It is Avient’s expectation that our stakeholders be equally committed to environmental responsibility. Each Avient associate’s responsibility is to give the highest priority to safety and health, both on and off the job.

Avient urges all shareholders to vote their proxies so that they can participate in the decisions at the annual meeting. Avient Stock Performance The following is a graph that compares the cumulative total shareholder returns for Avient’s common shares, the S&P 500 index and the S&P Mid Cap Chemicals index, with dividends assumed to be reinvested when received. President and Chief Executive Officer, Avient Corporation Committee: 3 Sandra B.