Patterson served in leadership roles at Novelis, Inc., an aluminum rolled products manufacturer, and SPX Corporation, a multi-industry manufacturer and developer, after starting his career at Arthur Andersen LLP.

Patterson served in leadership roles at Novelis, Inc., an aluminum rolled products manufacturer, and SPX Corporation, a multi-industry manufacturer and developer, after starting his career at Arthur Andersen LLP.

Wulfsohn 69 AVIENT CORPORATION [This page intentionally left blank] [This page intentionally left blank] [This page intentionally left blank] STOCK EXCHANGE LISTING Avient's Common Stock is listed on the New York Stock Exchange, Symbol: AVNT SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Equiniti Trust Company 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2615 or 1-651-450-4064 www.shareowneronline.com Additional information about Avient, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.avient.com or free of charge from: Investor Relations Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Phone: 1-440-930-1000 ANNUAL MEETING The annual meeting of Avient will be held virtually via live webcast at 9:00 a.m. Shareholders will be able to attend and participate in the annual meeting online, vote shares electronically, and submit questions during the annual meeting by visiting www.virtualshareholdermeeting.com/AVNT2024.

Zgłoszenia można dokonać online lub telefonicznie, korzystając z numerów wskazanych dla swojego kraju.

The system came online in February 2020.

Patterson served in leadership roles at Novelis, Inc., an aluminum rolled products manufacff turer, and SPX Corporation, a multi-industry manufacff turer and developer, afteff r starting his career at Arthur Andersen LLP.

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