LOADING DOCK SHELTERS R E I N F O R C I N G S T A Y S Replacement for steel or composite stays to provide reliable seal from external environment: • Withstand repeated flex and twisting, pass rigorous proprietary flexural testing requirements • Maintain performance in extreme temperatures • Enabled repeated twisting and flexing without failure, up to 90˚ bends, due to exceptional mechanical properties • Customized finishing to meet specific shape and edge surface requirements • Improved supply reliability with product manufactured in Montrose, CO Gordon Composites™ Thermoset Composite Springs KEY REQUIREMENTS WHY AVIENT?

Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Page 2 of 2 Appendix to Certificate Polyone - Suzhou, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Management (Shanghai) Co., Ltd.

CNSUZ3-SUH9-20240123104552 QUALITY MANAGEMENT SYSTEM\,, CERTIFICATE Certificate No. 00124Q30506R5S/3200 We hereby certify that Color Matrix Plastic Colorants (Suzhou) Co., Ltd Business Registration Number: 91320505799067336K Registered I Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Quality Management System has been awarded this certificate for compliance with the standard ISO 9001:2015 The Quality Management System Applies in the following area: Production Activities of Plastic Colorant & Additive (UV Blockers, Anti-Oxidation, Anti-Aging) Certified since: January 8, 2009 Valid from: January 16, 2024 Valid until: January 4, 2027 the expiry date of last certification cycle: January 4, 2024 the date of recertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC.

� ENVIRONMENTAL MANAGEMENT,_, ' J� - � Certificate No. 00124E30295R4S/3200 We hereby certify that Color Matrix Plastic Colorants (Suzhou) Co., Ltd Business Registration Number: 91320505799067336K Registered/ Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Environmental Management System has been awarded this certificate for compliance with the standard ISO 14001:2015 The Environmental Management System Applies in the following area: Production and Related Management Activities of Plastic Colorant & Additive (UV Blockers, Anti-Aging,Anti-Oxidation) Certified since: June 6, 2012 Valid from: January 17, 2024 Valid until: January 7, 2027 the expiry date of last certification cycle: January 7, 2024 the date ofrecertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC.

Englewood, Colorado 3. Englewood, Colorado 3. Lisa Kunkle, Senior Vice President, General Counsel and Secretary, and Co-Chair of LEAD by Women.

Wszelkie takie oświadczenia, próbki lub inne informacje Sprzedającego w odniesieniu do Specyfikacji, Produktów i korzystania z nich stanowią wyłącznie udogodnienie dla Kupującego i nie stanowią zapewnień ani oświadczeń co do ich działania. Kupujący rozpowszechni takie informacje w celu ostrzeżenia o możliwych zagrożeniach osób, co do których Kupujący może racjonalnie przewidzieć, że mogą być narażone na takie zagrożenia, w tym między innymi pracowników, agentów, wykonawców i klientów Kupującego. Kupujący podpisze na żądanie racjonalną umowę o zachowaniu poufności i zapewni, że jego pracownicy będą związani co najmniej tak samo restrykcyjnymi zobowiązaniami do zachowania poufności, jak te określone w niniejszych Warunkach. 23.

04621E14082R0S We hereby certify that the organization: Fiber-Line Asia Pacific (Changzhou) Co., Ltd.

GenericCertificate_NewLayout Certificate TH15/8915 The management system of Avient (Thailand) Co., Ltd. 79 Moo 11, Soi Kingthong, Kingkaew Road, Rachatewa, Bangplee, Samutprakarn, 10540, Thailand This document is an authentic electronic certificate for Client’ business purposes use only.

Occupational Health & Safety Management System Certificate of Approval This is to certify that the OHSMS of Avient Saudi Industries Co.

04624Q15809R1S We hereby certify that the organization: Fiber-Line Asia Pacific (Changzhou) Co., Ltd.