Certificate of Registration 9001:2015 MSP 9001:2015–MSP-ANAB-US (2.0) Page 1 of 2 Certificate of Registration of Quality Management System to ISO 9001:2015 The National Standards Authority of Ireland certifies that: Colorant Chromatics Ab Kroklundsvagen 346 AX-22 320 Odkarby Aland Finland has been assessed and deemed to comply with the requirements of the above standard in respect of the scope of operations given below: The Design, Manufacture and Sales of Fluoropolymer Color Concentrates and Compounds Additional sites covered under this multi-site certification are listed on the Annex (File No. 19.2540/C) Approved by: Geraldine LarkinChief Executive Officer Approved by: Lisa Greenleaf Operations Manager Registration Number: 19.2540/C Certification Granted: May 15, 1997 Effective Date: Oct 20, 2018 Expiry Date: Oct 19, 2021 National Standards Authority of Ireland, 20 Trafalgar Square, Nashua, New Hampshire, NH 03063, USA T +1 603 882 4412 9001:2015–MSP-ANAB-US (2.0) Page 2 of 2 Annex to Certificate Number: 19.2540/C Scope of Registration: The Design, Manufacture and Sales of Fluoropolymer Color Concentrates and Compounds Activity Location Central Management Group, Design, Manufacture Colorant Chromatics Kroklundsvagen 346 AX-22 320 Odkarby Aland Finland File No.: 19.2540/C Headquarters, Sales, Distribution Colorant Chromatics Europe B.V.

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Between 20–40 ppb of acetaldehyde in water is detectable by individuals with sensitive palettes. This additive technology can be implemented during PET processing without impact on production efficiency. 0 10 20 30 40 50 60 70 80 0.050 0.1 0.15 0.2 % A A Re du ct io n % Use Rate Anthranilamide 0 10 20 30 40 50 60 70 80 90 .04 .06 .08.020 0.1 0.16 0.180.140.12 0.2 % A A Re du ct io n % Triple A-1+ 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

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Review and approve corporate goals and objectives relevant to the Chief Executive Officer’s compensation; in conjunction with the evaluation conducted by the Board as described in the Company’s Corporate Governance Guidelines, evaluate the Chief Executive Officer’s performance in light of these goals and objectives; and determine and approve (or determine and approve, and recommend to the independent members of the Board for their determination and approval) the Chief Executive Officer’s compensation level based on this evaluation and comparable market data provided by the independent compensation consultant Review and approve the compensation of other executive officers of the Company, including benefits and perquisites, taking into consideration the Company’s performance, comparable market data, the performance of each executive officer, and such other factors as may, in the Committee’s discretion, be appropriate

Your supervisor or any Avient manager • The Corporate Ethics Officer via email at ethics.officer@avient.com • Avient’s General Counsel via email at legal.officer@avient.com • Any member of the Legal department • The Avient Ethics Hotline Avient Ethics Hotline The Ethics Hotline is available globally in over 20 languages, 24 hours a day, 7 days a week, by phone and through a website. Talk instead about “out competing,” “better serving customers,” “Avient’s value proposition,” and “attracting customers”. 20. ✓ Document the source and date of receipt of all competitors’ price lists and other competitive data contained in your files

Política global antissuborno e anticorrupção da Avient Data de emissão: 1º de julho de 2020 Nossa política global antissuborno e anticorrupção 1 Importância da conformidade 1 Nossa responsabilidade 1 O que é suborno? Seu supervisor ou um gerente da Avient • O diretor de ética corporativa pelo e-mail ethics.officer@avient.com • O diretor jurídico da Avient pelo e-mail legal.officer@avient.com • Qualquer membro do departamento jurídico • A linha direta de Ética da Avient Linha direta de ética da Avient A linha direta de ética está disponível mundialmente em mais de 20 idiomas, 24 horas por dia, 7 dias por semana, por telefone e por um site da internet. subject= mailto:legal.officer%40avient.com%20?

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