Ashish Khandpur President and CEO December 18, 2023

Müller, CEO SQS 66 60 _2  / J un e 20 19  / V er si on 2 .0 Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland A.

Müller, CEO SQS 66 60 _2  / J un e 20 19  / V er si on 2 .0 Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland A.

Midea previously was President and CEO Resco Products and President and COO at Ennis Traffic Solutions.

Guangzhou, China 56. And 42% of our Board and 64% of our CEO's direct reports are female or racially diverse. Minority CEO Direct Reports 64% Diversity by Level—Female + U.S.

The high level of attention, engagement and collaboration among member CEOs has been instrumental in AEPW’s very first year. PolyOne’s best days are ahead, and it remains an honor to serve all of our many stakeholders as Chairman, President and CEO of this great company! Patterson Chairman, President and CEO 74424.indd main_16 3/16/20 12:26 PM 4424_NARc5.indd 17 3/17/20 12:52 PM 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 [THIS PAGE INTENTIONALLY LEFT BLANK] STOCK EXCHANGE LISTING PolyOne's Common Stock is listed on the New York Stock Exchange, Symbol: POL.

Additionally, 52% of our facilities are certified to ISO 14001, 56% to Responsible Care 14001 and ISO 45001, and 10% of our high energy sites are certified to ISO 50001. Our CEO is ultimately accountable to our Board, and our Board also has determined that it has responsibility for overseeing the actions of the CEO (and management) in these areas. Additionally, 52% of our facilities are certified to ISO 14001, 56% to Responsible Care 14001 and ISO 45001, and 10% of our high energy sites are certified to ISO 50001.

Khandpur, Ph.D. 56 2023 No Sandra Beach Lin 66 2013 Yes M M Kim Ann Mink, Ph.D. 64 2017 Yes M M Ernest Nicolas 46 2021 Yes M M Kerry J. In the case of the CEO, compensation information for Mr. Executive Compensation - Tables CEO Pay Ratio Pay Versus Performance 15.

Sweden Filial Address: Drottninggatan 56 411 07 GÖTEBORG County and municipality: Västra Götaland, Göteborg Note: MANAGING DIRECTOR 630516 Palm, Christoph, Gruss Strooss 35, L-9991 WEISWAMPACH, LUXEMBURG AUDITORS 556053-5873 Ernst & Young Aktiebolag, Box 7850, 103 99 STOCKHOLM Represented by: 850807-5135 PRINCIPALLY RESPONSIBLE AUDITOR 850807-5135 Edman, Mikael Thomas Gunnar, c/o Ernst & Young AB, 401 82 GÖTEBORG SIGNATORY POWER Signatory power alone by Palm, Christoph FINANCIAL YEAR Registered financial year: 0101 - 1231 DATE OF REGISTRATION OF CURRENT AND PREVIOUS BUSINESS NAMES 2021-11-29 Avient S.à r.l., Sweden Filial 2018-08-28 PolyOne S.à.r.l., Sweden Filial INFORMATION ABOUT THE FOREIGN COMPANY B226205 Avient S.á.r.l. 19, Route de Bastogne L-9638 Pommerloch LUXEMBURG Registered office of the foreign company: Pommerloch Name of the register in which the foreign company is registered: 3 (3) RCS, Registre de Commerce, Luxembourg Business Register LUXEMBURG Foreign company's financial year: 0101 - 1231 The above information is an extract from the Trade and Industry Register Bolagsverket, the Swedish Companies Registration Office.

CEO Letter Message from the CEO Avient 2022 Annual Report—Form 10-K Pages 56-57