Company: AVNT
Filing Date: 2025-03-27
Form Type: DEF 14A
Source: 0001122976-25-000019
Chunk: 40

Company: AVIENT CORP
Filing Date: 2025-03-27
Form: DEF 14A
Chunk 40
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 The number of common shares allocated to these individuals from both the Retirement Savings Plan and the Supplemental Retirement Benefit plan is provided by the plan administrator in a statement for the period ending February 28, 2025, based on the current market value of the applicable shares held by the individual under each plan. Additional common shares may have been allocated to the accounts of participants since the date that the last statements were received from the administrator.

(2) With respect to the Directors, beneficial ownership includes shares held under the Deferred Compensation Plan for Non-Employee Directors as follows: N. Green, 6,098 shares; W.R. Jellison, 42,337 shares; S.B. Lin, 45,469 shares; K.A. Mink, 30,629 shares; E. Nicolas, 19,201 shares; K.J. Preete, 42,932 shares; and W.A. Wulfsohn, 56,319 shares.

(3) Includes the number of shares that would be acquired if the individuals’ outstanding and exercisable stock-settled stock appreciation rights were exercised within 60 days of February 28, 2025 at $42.77, the closing market price of Avient’s common shares on February 28, 2025.

(4) Based on 91,532,542 common shares outstanding as of February 28, 2025.

(5) Based solely on information as of July 25, 2024, Mr. Garratt's retirement date.

<div align='center'>PROXY STATEMENT 2025 | Annual Meeting of Shareholders 41</div>

#### OWNERSHIP OF AVIENT SHARES
The following table shows information relating to all persons who are known by us to beneficially own more than five percent of our outstanding common shares based on information provided in Schedule 13Gs and 13Ds filed with the SEC (as of the dates indicated in the footnotes to the table):

| Name               |     | Address                                               |     | Number of Common Shares |     | % of Class(3) |
| BlackRock, Inc.    |     | 50 Hudson Yards New York, New York 10001(1)           |     |              11,172,204 |     | 12.2%         |
| The Vanguard Group |     | 100 Vanguard Boulevard Malvern, Pennsylvania 19355(2) |     |              10,368,900 |     | 11.3