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.

Attention is drawn to the limitation of liability, indemnification and jurisdictional clauses contained therein.

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Exclusive Limited Warranty. Exclusive Remedy and Limitation of Liability. Buyer acknowledges that the use of Product may be subject to requirements or limitations under Laws and Standards.

Exclusive Limited Warranty. Exclusive Remedy and Limitation of Liability. Buyer acknowledges that the use of Product may be subject to requirements or limitations under Laws and Standards.

Более подробная информация о нашем вкладе в соответствии с каждым из приведенных выше принципов представлена в Отчете об устойчивом развитии, с которым можно ознакомиться по ссылке Avient.com/sustainability. Поскольку мы являемся компанией-участницей программы Responsible Care® («Ответственная забота») Американского химического совета и одним из сооснователей Альянса по ликвидации пластиковых отходов, мы несем дополнительную ответственность, выраженную в наших принципах No Surprises PledgeSM (работы без неожиданностей) и Sustainability Promise (неистощительного развития). http://Avient.com/sustainability 25 Профилактика травм вне работы не менее важна.

TEL:+31(0)102922689. www.dnvgl.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, 156 Nan Hai Road, Tianjin Economic-Technological, Tianjin, China, 300457 Manufacture of Masterbatch PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

+358 (0)29 509 5000 registry@prh.fi Page: 1 (2) Business ID: 2046676-4 Date and time of creating the document: 01.12.2020 08:37:55 TRANSLATION OF THE EXTRACT FROM THE TRADE REGISTER, ELECTRONIC 01.12.2020 08:37:54 the details in the register Identifiers Name Avient Finland Oy Business ID 2046676-4 Entered in the register 31.03.2007 Company type Limited company Contact details: Postal address Äyritie 8 E 01510 Vantaa Street address Äyritie 8 E 01510 Vantaa Email tina.ahlquist@clariant.com Telephone 0106808500 Fax 0106808509 Name details Name Avient Finland Oy Auxiliary company name Drycolor Registered office Vantaa Share capital Share capital 169.000,00 € Number of shares 1 000 pcs Nominal value of a share 169,00 € Financial period Financial period 01.01 - 31.12 Financial statements The last financial statements submitted 01.01.2019 - 31.12.2019 Representation Page: 2 (2) Business ID: 2046676-4 Statutory representation: Under the law, the Board of Directors represents the company.

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.

Limited Warranty. Limitation of Liability. Ordering & Limits.