Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”). Thereafter, Buyer automatically approves the invoice. 7. Buyer shall not (re-) export or (re-) transfer or disclose, directly or indirectly, any of the Products or Items supplied by Seller and/or any Items incorporating or processed from such Products, in breach of any Trade Control laws, or, in the event an export license or other approval is required from any governmental authority or agency, without first obtaining such license or approval.

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”). Thereafter, Buyer automatically approves the invoice. 7. Buyer shall not (re-) export or (re- ) transfer or disclose, directly or indirectly, any of the Products or Items supplied by Seller and/or any Items incorporating or processed from such Products, in breach of any Trade Control laws, or, in the event an export license or other approval is required from any governmental authority or agency, without first obtaining such license or approval.

Seller warrants good and clear title in Products and that the Product at the time of shipment, does not significantly deviate from the contractually agreed specifications or a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document is issued by seller, and other specifications signed by Seller (“Specifications”). Thereafter, Buyer automatically approves the invoice. 7. Buyer shall not (re-) export or (re-) transfer or disclose, directly or indirectly, any of the Products or Items supplied by Seller and/or any Items incorporating or processed from such Products, in breach of any Trade Control laws, or, in the event an export license or other approval is required from any governmental authority or agency, without first obtaining such license or approval.

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”). Thereafter, Buyer shall be deemed to have automatically approved the invoice. 7. Buyer shall not (re-) export or (re-) transfer or disclose, directly or indirectly, any of the Products or Items supplied by Seller and/or any Items incorporating or processed from such Products, in breach of any Trade Control laws, or, in the event an export license or other approval is required from any governmental authority or agency, without first obtaining such license or approval.

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”). Thereafter, Buyer automatically approves the invoice. 7. Buyer shall not (re-) export or (re- ) transfer or disclose, directly or indirectly, any of the Products or Items supplied by Seller and/or any Items incorporating or processed from such Products, in breach of any Trade Control laws, or, in the event an export license or other approval is required from any governmental authority or agency, without first obtaining such license or approval.

Certificate Avient Corporation S E s Certificate Of Conformance This is to certify that the Quality Management System of: Avient Corporation 33587 Walker Road, Building 428 Avon Lake OH 44012 United States has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 9001:2015 The Quality Management System is applicable to: Manufacture of plastic compounds, color and performance additives, engineered thermoplastics, vinyl resins, custom mixed plastic materials, custom and commodity colorants for plastics, polyurethane systems, and plasticizers with design and sampling support at Suwanee, GA, and purchasing, customer service, logistics, quality, design and sampling support at PolyOne Corporate Headquarters at Avon Lake, OH, and distribution of resins Certificate No: 31307 Certification Date: 12 OCT 1995 Effective Date: 11 JUL 2024 Expiration Date 07 OCT 2025 Revision Date: 17 JUL 2024 Dominic Townsend, President Page 1 of 4 S E s ISO 9001:2015 Certificate Of Conformance ANNEX Certificate No.: 31307 Avient Corporation At the below facilities The Manufacture of Pultruded and Filament wound components Pultrusion and CRTM 3943, Valley East Industrial Drive, Buildings 1,2,3,4 Birmingham - AL 35217 United The Manufacture of Pultruded and Filament wound components Pultrusion and Filament Wound Tubing 3968, Valley East Industrial Drive, Building 5 Birmingham - AL 35217 United States The Manufacture of Pultruded and Filament wound components Pultrusion 3950, Valley East Industrial Drive, Building 6 Birmingham - AL 3517 United States Corporation Management of QMS.

Evaluations are completed using the Avient Supplier Risk Matrix which identifies “high-”, “medium-” and “low-risk” suppliers based upon the following inputs: total business impact, supplier performance, and QMS profile (certification and self-assessment completion). Avient requires a Certification of Analysis (COA) and supplier specification documents for every shipment of raw material. Off-specification material shall not be delivered without prior written approval from Avient (except for Avient orders specifically of off-spec material).

Certificate Avient Corporation This is to certify that the Responsible Care Management System of: Avon Lake Corporate 33587 Walker Road Avon Lake OH 44012 United States (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: The Responsible Care Management System is applicable to: CORPORATE SUPPORT ACTIVITIES, DESIGN, MANUFACTURE AND DISTRIBUTION OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND PELLETS, SPECIALTY COMPOUNDS AND COLORANTS. Certification structure: MULTI-SITE Certification Date: 29 SEP 2023 Effective Date: 27 FEB 2025 Expiration Date: 27 SEP 2026 Revision Date: 05 MAR 2025 Dominic Townsend, President Page 1 of 5 Avon Lake Corporate Responsible Care Corporate Support Activities in Sr.

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”). Thereafter, Buyer automatically approves the invoice. 7. Buyer shall not (re-) export or (re- ) transfer or disclose, directly or indirectly, any of the Products or Items supplied by Seller and/or any Items incorporating or processed from such Products, in breach of any Trade Control laws, or, in the event an export license or other approval is required from any governmental authority or agency, without first obtaining such license or approval.

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product specification sheet, if any such document exists, and other specifications signed by Seller (“Specifications”). Thereafter, Buyer shall be considered as having tacitly approved the invoice. 7. Buyer shall not (re-) export or (re-) transfer or disclose, directly or indirectly, any of the Products or Items supplied by Seller and/or any Items incorporating or processed from such Products, in breach of any Trade Control laws, or, in the event an export license or other approval is required from any governmental authority or agency, without first obtaining such license or approval.