The conference agenda and registration details can be found on the TCC website.  

AS9100 Certication DEKRA CERTIFICATE Certificate Number: 131789.01 The Aerospace Quality Management System and implementation of: Fiber-Line, LLC With Central Functions At: 3050 Campus Drive Hatfield, PA 19440 United States The certification has been performed in accordance with the requirements of AS9104/1:2012, including its implementation, and meets the requirements of the standard: AS9100D (Based on and including ISO 9001:2015) Scope: The value added design and development of synthetic fiber products for use in public and private sectors. Certification Structure: Single Certificate Expiry: April 26, 2027 Certificate Issued: April 27, 2024 Certified Since: April 27, 2018 Dr. Onus Managing Director DEKRA Certification, Inc. 1945 The Exchange SE #300 Atlanta, GA 30339 USA (215) 997-4519 https://www.dekra.us/en/audits/ DEKRA Certification Inc. is an accredited Aerospace Registration Management Program Certification Body, under the ICOP scheme.

质量管理体系认证认证 Certificate No.：04624Q15809R1S We hereby certify that the organization: Fiber-Line Asia Pacific (Changzhou) Co., Ltd. Unified social credit code: 91320412MA1NMF5W4P is in conformity with Quality Management System Standard: GB/T 19001-2016 / ISO 9001:2015 The certificate is valid to the following product(s)/service: Coating Processing of Textile (Yarn) and Glass Products (Yarn) Registration Address/ Physical Address: R&D Workshop 5, No. 8, Lanxiang Road, West Taihu Science and Technology Industrial Park, Changzhou City, Jiangsu Province, P.

MSC Certificate Place and date: For the issuing office: Shanghai, 10 October 2024 DNV - Business Assurance Building 9, No. 1591 Hongqiao Road, Changning District, Shanghai, China 200336 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. 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

16824-8#ISO 9001 Certificaat Fiber-Line International B.V. Franken Managing Director Registration number 1682418.1 Start date certificate 2910112024 Certificate valid until 2910112027 Date of first certificate 2910112009 Certificate for the quality management system according to NENNENNENNEN1111ENENENEN1111ISOISOISOISO 9001:9001:9001:9001:2015201520152015 The certification body TÜV NORD Nederland hereby confirms that the certification 1682418.12910112024 took place in accordance with its certification regulations for the organisations 29101120272910112009 FiberFiberFiberFiber1111Line International B.V.Line International B.V.Line International B.V.Line International B.V. The certification is subject to annual evaluation by TÜV NORD Nederland.

Quality Management System Certificate of Approval This is to certify that the QMS of Avient Saudi Industries Co. Limited PO Box 2137, Jeddah 22758 Saudi Arabia Has been assessed and found to meet the requirements of ISO 9001:2015 This certificate is valid for the following scope of operations: Production and Supply of Color and Additive Master Batches Authorised by: Stan Wright Director Date of Certificate Issue: 17 October 2022 Certificate Valid Until: 29 September 2025 Recertification audit before 30 August 2025. SN Registrars (Holdings) Limited Certificate Number: DAS 65732900/31/Q Rev: 003 Registration House, 22b Church Street, Rushden, Northamptonshire, NN10 9YT, UK Tel: +44 (0) 1933 381859 Email: enquiries@snregistrars.com Web: www.snregistrars.com Company number: 07659067 mailto:enquiries@snregistrars.com http://www.snregistrars.com/

SCCertificateRebrandA4Portrait CERTIFICATE OF REGISTRATION This is to certify that the management system of: Fiber-Line, LLC Main Site: 280 Performance Drive SE Hickory North Carolina 28602 United States has been registered by Intertek as conforming to the requirements of: ISO 9001:2015 The management system is applicable to: Manufacture of textile components to cable manufacturers. Certificate Number: CERT-0116814 Initial Certification Date: 24 November 2010 Date of Certification Decision: 25 March 2024 Issuing Date: 25 March 2024 Valid Until: 31 March 2027 Calin Moldovean President, Business Assurance Intertek Testing Services NA, Inc. dba Intertek, 4700 Broadmoor SE Suite 200 Kentwood, Michigan 49512, United States In the issuance of this certificate, Intertek assumes no liability to any party other than to the Client, and then only in accordance with the agreed upon Certification Agreement. This certificate’s validity is subject to the organization maintaining their system in accordance with Intertek’s requirements for systems certification.

AS9100 Certication DEKRA CERTIFICATE Certificate Number: 131789.01 The Aerospace Quality Management System and implementation of: Fiber-Line, LLC With Central Functions At: 3050 Campus Drive Hatfield, PA 19440 United States The certification has been performed in accordance with the requirements of AS9104/1:2012, including its implementation, and meets the requirements of the standard: AS9100D (Based on and including ISO 9001:2015) Scope: The value added design and development of synthetic fiber products for use in public and private sectors. Certification Structure: Single Certificate Expiry Date: April 26, 2024 Certificate Issue Date: April 27, 2021 Certified Since: April 27, 2018 Dr. Onus Managing Director DEKRA Certification, Inc. 1120 Welsh Road, Suite 210 North Wales, PA 19454 USA (215) 997-4519 www.dekra.us/en/audits DEKRA Certification Inc. is an accredited Aerospace Registration Management Program Certification Body, under the ICOP scheme.

in aggregate principal amount of senior notes due 2030 (the "notes") in an offering exempt from the registration requirements of the Securities Act of 1933 (the "Securities Act").

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. Please access www.cqc.com.cn for checking validity of the certificate. This certificate and its relevant information can query in the website of Certification and Accreditation Administration of the People's Republic of China ( www.cnca.gov.cn)