Khandpur, Ph.D.: President and Chief Executive Officer, December 2023 to date. Beggs: Senior Vice President and Chief Financial Officer, August 2020 to date. SARs have contractual terms of ten years from the date of the grant.

Goff Director Date: 2014年2月13日 /S/ GORDON D. Harnett Director Date: 2014年2月13日 /S/ SANDRA BEACH LIN Sandra Beach Lin Director Date: 2014年2月13日 /S/ RICHARD A. Powell Director Date: 2014年2月13日 /S/ KERRY J.

Late payments will bear interest at the maximum percent permitted by applicable law, starting from the due date without further warning. If Buyer has a dispute with respect to an invoice, Buyer must notify Seller within seven (7) business days after the date of invoice. Any times or dates for delivery communicated by Seller (including those contained in Seller’s order confirmation) are estimates only and are not terms of the sale.

Newlin: Executive Chairman, May 2014 to date. Goff Director Date: 2015年2月13日 /S/ GORDON D. Harnett Director Date: 2015年2月13日 /S/ SANDRA BEACH LIN Sandra Beach Lin Director Date: 2015年2月13日 /S/ RICHARD A.

Patterson Name (a) Grant Date (b) Grant Date Fair Value of Stock and Option Awards ($) (j) EXECUTIVE COMPENSATION 47 upon the Named Executive Officer remaining in continuous employment through the payment date. McAlindon was employed by PolyOne from the original grant date of the award through 2015年6月15日 (the modification date). Option Expiration Date (column (f)) This column shows the expiration dates for each SAR reported in columns (b), (c) and (d).

Registration number 1019288451 TQ 0004 Status Valid Effective date of status 2017-08-01 Date viewed 2021-02-04 Business's name AVIENT CANADA ULC Business name SPARTECH PLASTIQUES Registration number to validate 1019288451TQ0004 Page 1 of 1Validate a QST Registration Number - Revenu Québec 2/4/2021https://entreprises.revenuquebec.ca/EntNa/SX/SX00/SX00.SXCLT20A.ValiderInscription/...

Delaware The First State Page 1 5799827 8100 Authentication: 202256240 SR# 20210072080 Date: 01-11-21 You may verify this certificate online at corp.delaware.gov/authver.shtml I, JEFFREY W. AND I DO HEREBY FURTHER CERTIFY THAT THE EFFECTIVE DATE OF THE AFORESAID CERTIFICATE OF AMENDMENT IS THE FIFTEENTH DAY OF JANUARY, A.D. 2021.

Garratt's retirement date. Garratt was employed by Avient from the original grant date of the award through 2024年7月22日 (the modification date). Garratt was employed by Avient from the original grant date of the award through 2024年7月22日 (the modification date).

Newlin: Executive Chairman, May 2014 to date. Goff Director Date: 2016年2月12日 /S/ WILLIAM R. Jellison Director Date: 2016年2月12日 /S/ SANDRA BEACH LIN Sandra Beach Lin Director Date: 2016年2月12日 /S/ RICHARD A.

Shareholders as of the close of business on 2022年3月15日, the record date for the Annual Meeting (the "Record Date"), may attend and participate in the Annual Meeting. The payment date will be a date in 2024 determined by the Compensation Committee (or its authorized delegate), which will occur no later than 2024年3月15日. On that date, a total of 91,424,445 common shares were outstanding.