Company: AVNT
Filing Date: 2025-06-17
Form Type: 11-K
Source: 0001122976-25-000044
Chunk: 10

Company: AVIENT CORP
Filing Date: 2025-06-17
Form: 11-K
Chunk 10
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     | $            | 678,156,323 |     | $ | 628,370,038 |

The following is a reconciliation of the net increase in net assets available for benefits per the financial statements to net income per the Form 5500 for the year ended December 31, 2024:

|                                                                                |     | December 31, 2024 |            |
|:-------------------------------------------------------------------------------|:----|:------------------|-----------:|
| Net increase in net assets available for benefits per the financial statements |     | $                 | 49,809,281 |
| Change in contributions receivable                                             |     |                   |    -22,996 |
| Net income per the Form 5500                                                   |     | $                 | 49,786,285 |

<div align='center'>10

Avient Retirement Savings Plan

EIN: 34-1730488 Plan Number: 001

Schedule H, Line 4(a) - Schedule of Delinquent Participant Contributions</div>

#### Year Ended December 31, 2024
| Participant Contributions Transferred Late to Plan |     |                                     |     | Total that Constitutes Nonexempt Prohibited Transactions |     |                         |     |                                          |     | Total Fully Corrected 
       Under  VFCP and 
          PTE 2002- 51 |
| Plan Year                                          |     | Check Here if Late Participant Loan 
 Repayments are Included:            |     | Contributions                                            
 Not Corrected                                            |     | Contributions Corrected 
 Outside   VFCP          |     | Contributions Pending Correction in VFCP |     |                       |
| 2022                                               |     |                                     |     | $—                                                       |     | $—                      |     | $—                                       |     |                $6,064 |
| 2023                                               |     | X                                   |     | $—                                                       |     | $—                      |     | $—                                       |     |                $4,271 |

<div align='center'>11

Avient Retirement Savings Plan

EIN: 34-1730488 Plan Number: 001

Schedule H, Line 4(i) - Schedule of Assets

(Held at End of Year)</div>

#### Year Ended December 31, 2024
| (a) |     | (b)Identity of Issuer, Borrower,Lessor or Similar Party                   
 Real-Time Traded Stock Fund:                                              |     | (c)Description of Investment                  |