Certificate Number: 13132875 Certified Since: November 19, 2019 * Certificate Approval Date (Date Granted, Reduced, Extended, or Renewed): October 12, 2022 Current Certification Cycle Start Date: November 19, 2022 Current Certification Cycle Expiration Date: November 18, 2025 Rev: B This certification is subject to the organization maintaining its management system to the requirements of ISO 9001:2015 as well as the requirements of Platinum Registration, Inc. This certificate is the property of Platinum Registration, Inc. and must be returned upon request. To verify this certificate please call 303-639-9001 *Transferred to Platinum Registration, Inc. on November 1, 2019.

SUZHOU, China – PolyOne today announced that its ColorMatrix™ Ultimate UV390 light blocking technology is now approved for use in PET packaging for food and beverage in China. Caption: ColorMatrix™ Ultimate UV390 is now approved for use in China.

NYSE: POL), a leading global provider of specialized polymer materials, services and solutions, today held its 2016 annual meeting of shareholders, during which time all presented proposals before shareholders were approved. To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/polyone-shareholders-approve-all-proposals-at-the-2016-annual-meeting-robert-m-patterson-becomes-chairman-of-the-board-300267932.html

What Quality Certifications do you maintain? Refer to our website to view certifications: http://www.avient.com/company/policies-and- governance/global-iso-certificate-library Who is Avient’s assessment body/registrar? Annually, with exception of central certificates—at minimum every 3 years.

Please check our certificate library here. Supplier approval and supplier evaluation Procedures are in place to manage supplier approval as well as a supplier evaluation for new suppliers. Batch Certificates (CoC or CoA) are prepared as applicable.

and the applicable customer specific requirements Revision:1 For Bureau Veritas Certification Holding, Le Triangle de l'Arche, 8 Cours du Triangle - 92800 Puteaux - France None Bureau Veritas Certification Certificate N°: FR072877- IATF IATF Certificate N°: 442787 Date Of Expiration: 01-February-2025 Date Of Certification: 02-February-2022 PRODUCT(S) DELIVERED colour with additive concentrates for thermoplastic resins and speciality compounds obtained by mixing and extrusion PERMITTED EXCLUSION(S) SCOPE Design and manufacturing Bureau Veritas Certification certify that the Quality Management System of the above organisation has been audited and found to be in accordance with the requirements of Route de la Vavrette, 01250, TOSSIAT France PolyOne France Tossiat Awarded to Certificate of Approval REMOTE SUPPORT FUNCTION(S) (The official document is in English. Revision:1 For Bureau Veritas Certification Holding, Le Triangle de l'Arche, 8 Cours du Triangle - 92800 Puteaux - France Bureau Veritas Certification Certificate N°: FR072877- IATF IATF Certificate N°: 442787 Date Of Expiration: 01-February-2025 Date Of Certification: 02-February-2022 Route de la Vavrette, 01250, TOSSIAT France PolyOne France Tossiat Awarded to Appendix to the Certificate of Approval Name Address Scope AVIENT LUXEMBOURG ROUTE DE BASTOGNE, 19, 9836, POMMERLOCH Luxembourg Logistic, Supplier Management, Purchasing PolyOne Europe Logistics 7 rue Blériot, 4460, GRACE HOLLOGNE Belgium Warehousing Polyone Europe ul.

SUZHOU, China – ColorMatrix, a subsidiary of PolyOne Corporation and a global leader in liquid color and additives for plastics, today announced that its patented Joule™ RHB liquid infra-red absorption technology is now approved for use in PET beverage packaging in China. Joule RHB is approved for PET food contact applications in China up to a level of 20ppm, and for temperature conditions equal to the U.S.

Mulch films case study BIODEGRADABLE & COMPOSTABLE M U L C H F I L M S • Compliance with European Standard EN17033 or OK Compost • Black and white color standards available under different TÜV Austria certifications (OK Compost and more) • Full support for end-product certification for both EN13432 and EN17033 • Formulated with pigments tested and approved by certified body OnColor™ Bio-Colorants KEY REQUIREMENTS WHY AVIENT?

G1QCertificate Number: 82756 Certificate of Incorporation on Change Of Name For Registrar of Companies I hereby certify that CLARIANT PLASTICS & COATINGS (IRELAND) LIMITED having, by a Special Resolution of the Company, and with the approval of the Registrar of Companies, changed its name, is now incorporated as a LTD - Private Company Limited by Shares under the name AVIENT COLORANTS IRELAND LIMITED and I have entered such name on the Register accordingly.

Avient first highlighted this new certification this past week during ITMA 2023, the world’s largest annual international textile and garment technology exhibition in Milan, Italy, emphasizing its continuous efforts to help customers reduce their environmental impact and focus on a more sustainable future.  The Input Stream Management confirms that bluesign® approved chemical products and raw materials are used in all steps of the manufacturing process.  The Input Stream Management ensures that bluesign® approved chemical products and raw materials are used in all steps of the manufacturing process.