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WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 10 Facility: Avient Corporation - Albany 4 Rothwell Ave, PO Box 300-009 Albany Industrial Estate Auckland 0632 New Zealand Facility: Avient Corporation - Avon Lake (SEM) 554 Moore Road Activity: Design and Manufacture of Colorants and Additives for Plastics Activity: Design and Manufacture of Specialty Engineered Thermoplastics Facility: Avient Corporation - Barbastro Pol.

WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 10 Facility: Avient Corporation - Albany 4 Rothwell Ave, PO Box 300-009 Albany Industrial Estate Auckland 0632 New Zealand Facility: Avient Corporation - Avon Lake (SEM) 554 Moore Road Activity: Design and Manufacture of Colorants and Additives for Plastics Activity: Design and Manufacture of Specialty Engineered Thermoplastics Facility: Avient Corporation - Barbastro Pol.

• The Committee will consist entirely of directors who the Board has determined have no material relationships with the Company, either directly or as a partner, shareholder, or officer of an organization that has a relationship with the Company, and: o who meet the definition of “independent” as set forth in the Corporate Governance Standards of the New York Stock Exchange; and o qualify as “non-employee directors” for the purposes of Rule 16b-3 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). • Each Committee member will serve at the pleasure of the Board for such term as the Board may decide or until such Committee member is no longer a Board member.

WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 10 Facility: Avient Corporation - Albany 4 Rothwell Ave, PO Box 300-009 Albany Industrial Estate Auckland 0632 New Zealand Facility: Avient Corporation - Avon Lake (SEM) 554 Moore Road Activity: Design and Manufacture of Colorants and Additives for Plastics Activity: Design and Manufacture of Specialty Engineered Thermoplastics Facility: Avient Corporation - Barbastro Pol.

news library online, please visit www.avient.com/news. View original content:http://www.prnewswire.com/news-releases/polyone-announces-first-quarter-2020-results-301044225.html SEARCH INVESTOR NEWS

New York City We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. SEARCH INVESTOR NEWS

Demand conditions were robust in the quarter, in particular for composite technologies and new business gains in healthcare applications. We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. SEARCH INVESTOR NEWS

2030 Sustainability Goals, along with other news and information on ESG matters.  View original content to download multimedia:https://www.prnewswire.com/news-releases/avient-announces-second-quarter-2022-results-301593200.html SEARCH INVESTOR NEWS

In July 2020, following our transformational acquisition of Clariant Color, we branded the collective enterprise as Avient —a new name, for a new kind of materials company. In the past five years, the Governance and Corporate Responsibility Committee has identified and recommended four new independent Directors. In the past five years, the Governance and Corporate Responsibility Committee has identified and recommended four new independent Directors.