Page 3 WATER RESOURCES • ENVIRONMENTAL SERVICES • INDUSTRIAL HYGIENE  •  SAFETY  •  SUSTAINABILITY  Apex Companies, LLC • (800) 733‐2739 • www.apexcos.com  Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services. No member of the verification team has a business relationship with Avient, its Directors or Managers beyond that required of this assignment. Attestation: Scott Johnston, Lead Verifier Cody Lorentson, Technical Reviewer Principal Consultant Program Manager Apex Companies, LLC.

Corporate Responsibility • Provide oversight and guidance with regard to how the Board and management evaluate and integrate corporate responsibility and sustainability matters into the Company’s business strategy and decision-making, including overseeing risks relating to the Company's programs, policies, and practices on sustainability and environmental, social, and governance matters, by receiving regular updates from management, as well as reviewing reports on corporate responsibility and/or sustainability published by the Company. Any action that may be taken at a meeting of the Committee may be taken by written consent so long as the written consent is unanimously approved and filed with the Corporate Secretary. 4 • The Company’s General Counsel and Corporate Secretary will be the management liaison to the Committee

Corporate Responsibility Provide oversight and guidance with regard to how the Board and management evaluate and integrate corporate responsibility and sustainability matters into the Company’s business strategy and decision-making, including overseeing risks at a strategic level relating to the Company's programs, policies, and practices on sustainability and environmental, social, and governance matters, by receiving regular updates from management, as well as reviewing reports on corporate responsibility and/or sustainability published by the Company. The Company’s General Counsel and Corporate Secretary will be the management liaison to the Committee.

Over the years his responsibilities at Verbunt Chemie included: Product Development, Quality Management, and Purchasing. In 1998 he joined Bostik Findley, the world's 2nd largest adhesive manufacturer as R&D Manager Nonwovens Europe. In this position he was responsible for managing Bostik Findley's European Hot Melt Adhesive R&D, Product Development, and QC labs for the nonwoven market.

OnColor™ UL 94 colorants* for Electrical & Electronic (E&E) applications allow fast, cost-efficient project management combined with all the advantages of in-house coloration. All of this is backed by project management and technical support around the world through more than 100 facilities. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

Polyone de Mexico Manufacturing - TS 85585 Certificate of Registration QUALITY MANAGEMENT SYSTEM - IATF 16949:2016 This is to certify that: Polyone de Mexico Manufacturing S. de R.L. de C.V. Gama #650 Parque Industrial Santa Maria Ramos Azipe Coahuila 25900 Mexico operates a Quality Management System which complies with the requirements of IATF 16949:2016 for the following scope: Design and manufacture of thermoplastic compounds.

EXPECTATIONS FOR USE OF INFORMATION SYSTEMS Users shall: • Use all Information Systems consistent with their intended purpose, Avient business objectives, and the Code of Conduct; • Take necessary steps to prevent unauthorized access to and maintain security of Confidential Data; • Use only approved and secured methods when sharing Confidential Data and ensure recipients have authorization to receive Confidential Data and/or have obtained prior approval from User’s manager; and • Obtain approval from Avient’s Information Technology department before procuring, installing, connecting, using, or decommissioning software, systems, applications, or non- Avient devices to or from Information Systems, including, but not limited to, on premise and cloud-based systems. Users will immediately report violations of this Policy to the User’s manager, an Avient Human Resources manager, or the IT Department.

Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services. No member of the verification team has a business relationship with Avient, its Directors or Managers beyond that required of this assignment. Armstrong-Friberg, Lead Verifier Scott Johnston, Technical Reviewer ESG Program Manager Principal Consultant Apex Companies, LLC.

and the Distribution sale is expected to be completed in the fourth quarter.  The company intends to use the net proceeds from its Distribution sale to pay down its 2023 Senior Notes and a portion of the term loan. They are based on management's expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements.

They are based on management's expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. They use words such as "will," "anticipate," "estimate," "expect," "project," "intend," "plan," "believe," and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales.