Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. Webcast Details Avient will host a webcast on Wednesday, November 2, 2022 at 8:00 a.m. To access Avient’s news library online, please visit www.avient.com/news # # # Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

It is our responsibility at Avient to deliver it. Prior to joining Avient, Ms. RESERVED] 16 AVIENT CORPORATION ITEM 7.

Gajewski joined Avient in July 2013 from AkzoNobel/PPG and has since taken on multiple roles with increasing responsibility within the Human Resources function, including HR Director for Avient’s Color, Additives & Inks business segment, and an international assignment with responsibility for the EMEA and India regions. Gajewski led Avient’s learning and organizational development programs, talent management and acquisition, as well as working as the HR Director for all global Corporate Functions. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Rose joined Avient in 2011 and has led communications aspects and initiatives during the company’s specialty portfolio and cultural transformation. He also serves as the Executive Sponsor of Avient’s United Way and Global Giving campaigns, as well as the company’s young professional network. Before his tenure at Avient, Mr.

Chính sách này áp dụng đối với Avient và các công ty con, bao gồm tất cả các quản lý, nhân viên, đại lý và các bên thứ ba khác làm việc thay mặt cho Avient. Để tuân thủ các Luật ABAC, tất cả các nhân viên Avient và bên thứ ba làm việc thay mặt Avient không 2 Bao gồm tất cả các viên chức chính phủ và/hoặc nhân viên khu vực tư nhân. Nhân viên Avient và các bên thứ ba cần tránh mọi hoạt động có thể dẫn đến hoặc gợi ý rằng Avient sẽ cho hoặc nhận thanh toán bôi trơn hoặc lại quả.

Avient müşterileri ve tedarikçilerinin de Avient’ın rakipleri olabileceği unutulmamalıdır Amiriniz veya herhangi bir Avient müdürü • Kurumsal Etik Yetkilisi e-posta: ethics.officer@avient.com • Avient Baş Hukuk Müşaviri e-posta: legal.officer@avient.com • Hukuk bölümünün herhangi bir üyesi • Avient Etik Yardım Hattı Avient Etik Yardım Hattı Etik Yardım Hattı dünya genelinde 20’den fazla dilde, haftanın 7 günü, günde 24 saat, telefonla ve web sitesi aracılığıyla hizmet verir. Herhangi bir sorunuz varsa Avient Hukuk Departmanına danışın. 14.

在本準則中， 「Avient 員工」包括跨 Avient 子公司的 Avient 員工、董事、代理 商、顧問與承包商。 Avient 主管與經理的其他職責 • 以身作則，為 Avient 的適當行為奠定基調。 Avient 禁止員工在酒精、非法藥物與其他管制物質的影 響下代表 Avient 工作。

在本准 则中，“Avient 员工”包括 Avient 所有子公司的员工、董事、代理 人、顾问和承包商。 Avient 主管和经理的其他责任 • 发挥榜样作用，为 Avient 的恰当行为确立基调。 Avient 禁止员工在酒精、毒品和其他管制物品的影响下 代表 Avient 开展工作。

ABS Quality Evaluations This is to certify that the Environmental Management System of: Avient Corporation Avient Corporation HQ 33587 Walker Road Avon Lake, OH 44012 U.S.A. All rights reserved. 65537Certificate No: Facility: Avient Corporation - Lomagna, Italy Via Piave 12 23871, Lomagna, Lecco Italy Facility: Avient Corporation - Lomas de Zamora, Argentina AV . Facility: Avient Corporation - McHenry, IL 921 Ridgeview Drive McHenry, IL 60050 U.S.A.

ABS Quality Evaluations This is to confirm that the Environmental, Health, Safety and Security Management System of: Avient Corporation Avient Corporation HQ 33587 Walker Road Avon Lake, OH 44012 U.S.A. All rights reserved. 65536Certificate No: Facility: Avient Corporation - Lomagna, Italy Via Piave 12 23871, Lomagna, Lecco Italy Facility: Avient Corporation - Lomas de Zamora, Argentina AV . Facility: Avient Corporation - McHenry, IL 921 Ridgeview Drive McHenry, IL 60050 U.S.A.