273138-2018-AQ-RGC-IATF IATF Certificate No: 0558323 Valid: 10 December 2024 – 09 December 2027 This is to certify that the management system of Polyone - Shenzhen Co., Ltd. ACCREDITED UNIT: DNV Business Assurance USA Inc., 1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com Page 2 of 2 Appendix to Certificate Polyone - Shenzhen Co., Ltd. China 201206 (USI: PKFHC3) Process Design, Product Design DNV PolyOne-Suzhou, China 77 Shenggang Street SIP, Suzhou, Jiangsu, China 215127 (USI: CF4943) Contract Review, Sales, Supplier Management DNV http://www.dnv.com

ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Copyright 2011-2023 ABS Quality Evaluations, Inc. Copyright 2011-2023 ABS Quality Evaluations, Inc.

In 2016, Avient - which, at the time, was operating as PolyOne - announced development of a lightweight, carbon fiber-reinforced underbody brace, which is offered as a performance upgrade for the C7 generation of General Motors’ popular Chevrolet Corvette sports car.                                              Image ©PolyOne Caption: Advanced composite underbody braces from PolyOne are available as a performance upgrade for all C7 Corvettes.

Thermoplastics are used in various applications, including PP, PS, ABS, copolyester, SAN, PC etc.. The substrates materials employed for overmolding were PP, ABS, PC/ABS, polyester, Nylon and POM. These TPEs have exhibited good adhesion on various substrates including PP, PS, HIPS, PMMA, PC, PET, ABS, PC/ABS and Copolyester.

ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Copyright 2011-2021 ABS Quality Evaluations, Inc. Copyright 2011-2021 ABS Quality Evaluations, Inc.

ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Copyright 2011-2020 ABS Quality Evaluations, Inc. Copyright 2011-2020 ABS Quality Evaluations, Inc.

ECert.QECertificate ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Copyright 2011-2019 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:

Better Together: PolyOne and Clariant Masterbatch Sustainability Report | 2019 6 Our Culture Core Values Collaboration. Malmö, Sweden 18. To support the transition to molded-in-color (MIC) parts, the customer specified Avient’s metallic-effect Smartbatch™ FX masterbatch colorants for two PC/ABS side panels on the center console of a compact SUV.

Better Together: PolyOne and Clariant Masterbatch Sustainability Report | 2019 6 Our Culture Core Values Collaboration. Malmö, Sweden 18. To support the transition to molded-in-color (MIC) parts, the customer specified Avient’s metallic-effect Smartbatch™ FX masterbatch colorants for two PC/ABS side panels on the center console of a compact SUV.

POLYONE V1847 BIO NATURAL PVC PolyOne DB5548 Red NP (P542) PolyOne DB5549 Trans Green NP