Any translations of this document shall be used for reference only.) 1/2 Certificate of Approval AWARDED TO PolyOne France Tossiat Route de la vavrette, 01250, Tossiat - France IATF USI: LWZS4P 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 IATF 16949 - FIRST EDITION and the applicable customer specific requirements SCOPE Design and manufacturing PERMITTED EXCLUSION(S) None PRODUCT(S) DELIVERED colour with additive concentrates for thermoplastic resins and speciality compounds obtained by mixing and extrusion https://e-cer.bureauveritas.com/68LJQE0ZV0CO6I7YW0YSXOUMV9WWROQPHPI2AOHRRLFFVRAVTFVZGXKWIE3TOWLTTKEWCPQB9UNAPXHH6T0HXOMUEDVYPRPJLEXBBTKQYPBRICYOKY143TECQ5UMHGA3JX Date Of Certification: 11 December 2024 Date Of Expiration: 10 December 2027 IATF Certificate N°: 0558656 Bureau Veritas Certification Certificate No: FR094003 - IATF Revision: 1 For Bureau Veritas Certification Holding, Tour ALTO, 4 place des saisons, 92400 COURBEVOIE – France (The official document is in English. Any translations of this document shall be used for reference only.) 2/2 Appendix to the Certificate of Approval AWARDED TO PolyOne France Tossiat Route de la vavrette, 01250, Tossiat - France IATF USI: LWZS4P REMOTE SUPPORT FUNCTION(S) NAME ADDRESS SCOPE AVIENT LUXEMBOURG 19, Route de bastogne, 9638, Pommerloch - Luxembourg IATF USI: GAZS9A Purchasing, Logistics, Supplier Management PolyOne Europe Logistics 7 Rue bleriot, 4460, Grace-Hollogne - Belgium IATF USI: P4WA4Y Warehousing Polyone Poland Ul. wschdnia 6, 99-300, Kutno - Poland IATF USI: C4W5ZL Logistics https://e-cer.bureauveritas.com/68LJQE0ZV0CO6I7YW0YSXOUMV9WWROQPHPI2AOHRRLFFVRAVTFVZGXKWIE3TOWLTTKEWCPQB9UNAPXHH6T0HXOMUEDVYPRPJLEXBBTKQYPBRICYOKY143TECQ5UMHGA3JX 2024-12-13T10:07:11+0100 Authenticity and Integrity

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Inspection may include applicable internal systems, calibration programs, laboratory practices, and equipment pertaining to the Customer-specific product. 6.1.1 Adequate prior notice (30 days) must be given, with a proposed agenda. 6.1.2 The scope of the inspection is at the discretion of NEU. 6.1.3 Non-Disclosure Agreement and\or Visitor Confidentiality Agreement is required of Customer. 7.0 SUPPLIER CONTROL and REGULATORY RESPONSIBILTY 7.1 The control of suppliers and regulatory responsibility of the vendors and product supplied by NEU to the Customer are dependent on the specification and ownership of the components used to manufacture the product, as further outlined below. 7.1.1 Raw materials, components and suppliers developed or specified by NEU are controlled and monitored by NEU. 7.1.2 Raw materials, components and suppliers developed or specified by Customer are controlled and monitored by Customer. 7.1.2.1 NEU may survey suppliers specified by Customer on behalf of Customer to satisfy a Customer request for information. This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. 8.2 Proprietary Technology 8.2.1 NEU will notify the Customer of its intent to substitute a chemical (limited to CAS# change only) used in the manufacture of the compound(s), as well as changes affecting the Product Specifications agreed to by NEU. 8.3 Customer Specified Formulations 8.3.1 NEU will notify Customer of a vendor-notified change to the specified material or source. Upon notification from the NEU supplier, NEU will notify the Customer of the effect on the manufacture of the compound(s) (such as raw material availability, vendor name changes, vendor manufacturing location, and vendor nomenclature). 9.0 CUSTOMER FEEDBACK 9.1 NEU will use commercially reasonable efforts to (i) acknowledge receipt of Customer complaints within one business day; (ii) conduct an investigation and communicate a resolution to Customer within 30 days after receipt of the complaint.

MOLD DESIGN RECOMMENDATIONS Gates • Many different types of gates can be used such as pin, fan, tunnel, tab and edge gates. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Use of non-GAAP measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Using our “global reach with a local touch” model to win share and new business 3.

Use of non-GAAP measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Using our “global reach with a local touch” model to win share and new business 3.

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 performance and/or sales PolyOne Corporation Page 2 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures.  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources.

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 performance and/or sales Forward – Looking Statements Page 2 • This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. PolyOne’s chief operating decision makers use these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources.