Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 7071-1998-AQ-RGC-RvA Initial certification date: 28 April 1998 Valid: 30 March 2024 – 29 March 2027 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Page 2 of 2 Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Polymer (Tianjin) Company Limited No. 28#C, Jin Bin Hi-Tech Industrial Park, No. 156, Nan Hai Road, Tianjin Economic- Technological Development Area, Tianjin, China 300457 Manufacture of Colour and Additive Concentrates PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

Page 1 of 1 https://abs.zertic.com https://abs.zertic.com

添加率计算器 预计的乙醛消减率(%) 预计的Triple A使用率(%) 64 0.111 % 消减率计算器 开始的乙醛含量(ppm) 想要的乙醛含量(ppm) 想要的乙醛消减率(%) 0. 050 0.1 0.15 0.2 90 .04 .06 .080 20. 0.1 0.16 0.1821.0 41.0 0.2 % A A R ed uc ti o n % Triple A-1+ 邻氨基苯甲酰胺 乙 醛 消 减 率 嘉洛斯材料与标准竞争性材料在消减乙醛率和用量%方面的功效 对比 使用率 90 .04 .06 .08.020 0.1 0.16 0.180.140.12 0.2 乙 醛 消 减 率 % Triple A-1+ 5.8 4.5 22 (1) TRIPLE A™ 应用于医疗行业的嘉洛斯

MOVING HIGH PERFORMANCE FIBERS FORWARD LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

C 13832 a Avient S.à r.l., jednající skrze svou pobočku Avient S.à r.l. A 78870 (dále jen „Prodávající“). 1. Obchodní podmínky (1. prosinec 2024)

1616267 Certification Effective Date: April 1, 2021 Issue Date: March 30, 2021 Certificate Expiry Date: March 31, 2024 ________________________________________________________________________________ ISO 9001 Registered by: QMI-SAI Canada Limited (SAI Global), 20 Carlson Court, Suite 200, Toronto, Ontario M9W 7K6 Canada.

ZWOLSEWEG 1, 2994 LB, BARENDRECHT, NETHERLANDS.

To verify this certificate please call 303-639-9001 *Transferred to Platinum Registration, Inc. on November 1, 2019.

Zwolseweg 1, 2994 LB, Barendrecht, Netherlands.

ECert.pdf Page 1 of 2 Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.