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.

IATF 16949:2016 The Quality Management System is applicable to: Certificate No: 58976 Effective Date: 08 February 2019 Expiration Date: 09 August 2022 Revision Date: 17 November 2020 IATF No: 0349837 Dominic Townsend, President DESIGN AND MANUFACTURE OF THERMOPLASTIC COMPOUNDS (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 2 ABS Quality Evaluations Avient Corporation IATF 16949:2016 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

IATF 16949:2016 The Quality Management System is applicable to: Certificate No: 39032 Effective Date: 14 August 2018 Expiration Date: 13 August 2021 Issue Date: 17 August 2018 IATF No: 0322936 Alex Weisselberg, President MANUFACTURE, DESIGN AND SUPPLY OF PROPRIETARY THERMOPLASTIC COMPOUNDS, INCLUDING THE SUPPLY OF TOLL COMPOUNDING SERVICES (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 2 ABS Quality Evaluations PolyOne Corporation IATF 16949:2016 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

Certificate NEU Specialty Engineered Materials Certificate Of Conformance This is to certify that the Quality Management System of: NEU Specialty Engineered Materials 15 Corporate Drive North Haven CT 06473 United States has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 13485:2016 The Quality Management System is applicable to: Compounding, Prototype Services and Supply of Thermoplastics for the Medical Device Industry.

We also invested to begin thermoplastic elastomer production in Brazil, another important regional market where we’ve identified opportunities to grow and serve customers. Thermoplastics offer versatility and a wide range of applications. Garratt worked for DuPont Dow Elastomers (a global manufacturer of engineered thermoset rubber and thermoplastic elastomer materials) in market development and product management positions, culminating in a regional commercial leadership role for Europe, the Middle East and Africa.

2http://www.aerosil.com/product/aerosil/en/industries/plastics-thermoplastics/pages/default.aspx   Long- and short- can be used in thermoplastic compounds for lightweight, high-end reinforcement. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl-t-long-fiber-reinforced-structural-thermoplastics

2http://www.aerosil.com/product/aerosil/en/industries/plastics-thermoplastics/pages/default.aspx   Long- and short- can be used in thermoplastic compounds for lightweight, high-end reinforcement. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl-t-long-fiber-reinforced-structural-thermoplastics

2http://www.aerosil.com/product/aerosil/en/industries/plastics-thermoplastics/pages/default.aspx   Long- and short- can be used in thermoplastic compounds for lightweight, high-end reinforcement. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl-t-long-fiber-reinforced-structural-thermoplastics

2http://www.aerosil.com/product/aerosil/en/industries/plastics-thermoplastics/pages/default.aspx   Long- and short- can be used in thermoplastic compounds for lightweight, high-end reinforcement. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl-t-long-fiber-reinforced-structural-thermoplastics

2http://www.aerosil.com/product/aerosil/en/industries/plastics-thermoplastics/pages/default.aspx   Long- and short- can be used in thermoplastic compounds for lightweight, high-end reinforcement. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl-t-long-fiber-reinforced-structural-thermoplastics