A2LA Cert. Accredited Laboratory A2LA has accredited AVIENT CORPORATION North Baltimore, OH for technical competence in the field of Mechanical Testing This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system (refer to joint ISO-ILAC-IAF Communiqué dated April 2017).

SUSTAINABILITY Avient’s color and additive manufacturing sites comply with ISO standards such as ISO 9001:2015 QMS, ISO 14001:2015 Environmental Management System and ISO 45001:2018*. EU) 10/2011, FDA (USA), GB9685-2016 (China) • Heavy metal declaration as per Dir. 94/62/EC and CONEG • Declaration against RoHS (2011/65/EU and amendments) • REACH (Reg. EC) 1907/2006 and amendments) • UL94 file for MB (QMQS.E73454) and formulations (QMQS.E103015) • “Toys declaration” Directive 2009/48/EC • Waste Electrical & Electronic Equipment (WEEE) * Contact us for more detailed information about our ISO certifications.

质量管理体系认证认证 证书编号：04624Q15809R1S 兹证明: 法博莱恩纱线（常州）有限公司 统一社会信用代码：91320412MA1NMF5W4P 质量管理体系符合: GB/T 19001-2016 / ISO 9001:2015 标准 证书覆盖范围: 纺织品（纱线）、玻璃制品（纱线）的包覆加工 注册地址/实际地理地址：江苏省常州西太湖科技产业园兰香路 8 号研发车间 5 厂房 颁证日期：2024-10-26 有效期至：2027-10-25 初次颁证日期：2021-10-28 证书编号 受审核方 组织机构代码 认证范围 注册地址 生产办公地址 注册日期 有效期至 初次颁证日期 二维码

 Audits are at the discretion of Avient and may be limited in content/scope. 6 Management Responsibility The following information describes minimum requirements in place at all ISO 9001 certified manufacturing facilities identified at http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library Some additional certified management systems are described in the annex to this document. page=19 7 Quality Management 3rd Party Certifications All manufacturing facilities are certified to the ISO 9001 standard. Avient Colorants Sweden AB in Malmoe and Avient Colorants USA LLC in Lewiston, Maine are Medical Centers of Competence with an external ISO 13485 certification.

Varies by Site; refer to ISO Cert http://www.avient.com/company/policies-and- governance/global-iso-certificate-library How often are 3rd party audits conducted? Procedures for requirements within ISO 9001 sites defined by business unit and Approved Corporate : Template/Form Document #: DOC-01879 Revision: 8 Document Owners: Brian Hoar Effective Date: May 13, 2022 Title: QF-02 Quality Standard Response Page 14 of 19 Only the electronic version of this document in ETQ is the controlled version of the document. IATF and ISO 13485 managed within ETQ Reliance.

A2LA Cert. No. 0962.01) 09/05/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 80 North West Street Norwalk, OH 44857 Craig Polta Phone: 419 660 4278 MECHANICAL Valid To: September 30, 2025 Certificate Number: 0962.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following tests on plastics: Test Method(s) Test Name ASTM D256; ISO 180 Notched Izod ISO 179 (1eA) Determination of Charpy Impact ASTM D523 Gloss ASTM D618 (Method A) Conditioning of Test Specimens ASTM D792 (Method A) Specific Gravity ASTM D1238 (Method B) Melt Flow Rate ASTM D3012 Thermal Oxidative Stability ASTM D3641 Injection Molding Test Specimens FMVSS 302 Flammability ASTM E1331; SAE J1545 Spectrophotometric Color Difference SAE J1885 (Rev. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system (refer to joint ISO-ILAC-IAF Communiqué dated April 2017).

No. 1, Qihang Industry Park, Haoxiang Road, Shajing Town, Baoan, Shenzhen, Guangdong, China 518104 has been found to conform to the Quality Management System standard: GB/T 19001-2016 / ISO 9001:2015 This certificate is valid for the following scope: Development and Manufacture of Masterbatch, Pigment Concentration, Plastisol; Manufacture of Plastic Compounding Material http://www.dnv.com/assurance 证书制作地点及日期: 证书认可签发机构: 上海, 2024年10月 10日 DNV - Business Assurance 中国上海市长宁区虹桥路1591号9号楼A座 邮编: 200336 电话: +86 21 32799000 朱海明 管理代表 未履行认证协议中规定条款会导致此证书失效，获证组织必须定期接受监督审核并经审核合格此证书方继续有效。 获得认可的单位: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance 本证书信息可在国家认证认可监督管理委员会官方网站（WWW.CNCA.GOV.CN） 上查询 管理体系认证证书 证书号码: 3033-2006-AQ-RGC-RvA 首次签发日期: 2018年11月 07日 有效期限: 2024年11月 08日 – 2027年11月 07日 兹证明 普立万聚合体（深圳）有限公司 中国广东省深圳市宝安区沙井镇蚝乡路启航工业园1号 518104 统一社会信用代码：9144030076498189X0 质量管理体系符合 : GB/T 19001-2016 / ISO 9001:2015标准 此证书对下列范围有效: 色母粒，色浆，增塑溶胶的开发和制造；塑料改性材料的制造 http://www.dnv.com/assurance WWW.CNCA.GOV.CN）上查询

Purchasing, Customer Service, Logistics, Quality, Design and Sampling; Corporate HQ, Management of QMS Activity: Manufacture of Engineered Thermoplastics Page 3 of 7 ABS Quality Evaluations Avient Corporation ISO 9001:2015 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. Activity: Manufacture of Colorants for Plastics Activity: Manufacture of thermoplastic compounds Page 4 of 7 ABS Quality Evaluations Avient Corporation ISO 9001:2015 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. Activity: Manufacturing, Shipping and Receiving Activity: Compound and supply of thermoplastics for the medical device industry Page 5 of 7 ABS Quality Evaluations Avient Corporation ISO 9001:2015 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

9279-0334 CERT. CX-6054-A CERT.

CX-6171-A CERT. CX-6182-B CERT.