This certificate may be found on the ABS QE Website (www.abs-qe.com). ABS Quality Evaluations, Inc. 16855 Northchase Drive, Houston, TX 77060, U.S.A. Copyright 2011-2018 ABS Quality Evaluations, Inc.

ECert (3).pdf ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Copyright 2011-2023 ABS Quality Evaluations, Inc. Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by:

ECert (75).pdf ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Copyright 2011-2021 ABS Quality Evaluations, Inc. Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by:

ECert (5).pdf ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Copyright 2011-2023 ABS Quality Evaluations, Inc. This certificate may be found on the ABS QE Website (www.abs-qe.com).

You can check the integrity of this document and validate the signature in Adobe at the top of your screen. You can check the integrity of this document and validate the signature in Adobe at the top of your screen.

Microsoft Word - 55453- PolyOne Corporation RCMS 2013 Option 2.docx ABS Quality Evaluations Letter Of Conformity Page 1 of 1 This is to confirm that the Environment, Health, Safety and Security Management System of: PolyOne Corporation 33587 Walker Road Avon Lake, OH 44012 U.S.A. has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: RCMS®:2013 (Option 2) The Environment, Health, Safety and Security Management System is applicable to: Responsible Care Management System activities and corporate supported processes associated with the design and manufacture of plastic compounds, colorants, thermoplastic elastomer compounds, color concentrates and compounding of thermoplastic products.

Information that Avient considers as confidential and will not communicate through questionnaires:  Building and facilities figures  Workforce effective  Organization charts  Shift organization  Unions affiliations  Customers  Suppliers  Procedures  Work instructions  Quality Manuals  FMEA/CCP  Control plans https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/company/sustainability/sustainability-report/people/human-rights https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/company/policies-and-governance-0/global-iso-certificate-library https://www.avient.com/resources/safety-data-sheets https://www.avient.com/resources/technical-data-sheets https://www.avient.com/company/sustainability/people/safety https://www.avient.com/company/sustainability/sustainability-report/planet/energy-ghg-emissions https://www.avient.com/investors/investor-news? Avient Colorants Sweden AB in Malmoe and Avient Colorants USA LLC in Lewiston, Maine are Medical Centers of Competence with an external ISO 13485 certification. Validation Avient Colorants Sweden AB and Avient Colorants Lewiston, ME follow the Global Harmonization Task Force guideline GHTF/SG3/N99-10 to define the procedure for process validation.

Developed to meet these challenges, Edgetek ET8900 CR thermoplastics show improved chemical resistance to common consumer disinfectants compared to PC/ABS, PC/PET and PC/PBT. ACTIVE INGREDIENTS RESISTANCE RATING Clorox® Disinfecting Wipes 5813-79 Quaternary ammonium +++++ +++++ +++++ ++ +++ ++++ Formula 409® Heavy Duty Degreaser N/A Lauramine oxide, ethanolamine +++++ +++++ +++++ + ++ +++ Lysol® All-Purpose Cleaner 777-66 Quaternary ammonium +++++ +++++ +++++ + + ++ $$$ $$$ $$$$ $ $$$ $ MATERIAL COMPARISON WITH COMMON CONSUMER DISINFECTANTS P AB S P PE T P PB T E 90 0 CR E 90 0 H I C R E 92 0 C RCRITERIA FOR RESISTANCE RATING + strength and elongation at yield retention between 90-110% + strength and elongation at yield retention between 75-125% + no statistically significant reduction in elongation at break (p < 0.05) + visual observation score of 4 or better (minor/no crazing, no cracks) + samples survived disinfectant exposure in strain jig Lysol® is a trademark of Reckitt Benckiser LLC Formula 409® is a trademark of The Clorox Company Clorox® is a trademark of The Clorox Company An independent, A2LA-accredited lab tested the following polymers with various disinfectants to help customers choose the material suitable for their specific application requirements. Improved Chemical Resistance $$$$ $$$ $$ $ FR PC/ABS FR PC/PET FR PC/PBT Edgetek™ CR

Our advanced fiber colorant technology is critical to helping these manufacturers address sustainability, production flexibility, and speed-to-market goals to stay on top of these trends."

Responsible Care is our industry's commitment to working and performing with safety and sustainability as top priorities," said