Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, breach of statutory duty, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. i) If Buyer is in default of performance of its obligations towards Seller and fails to provide adequate assurance of Buyer’s performance before the date of scheduled delivery; or (ii) if Seller has reasonable doubts with respect to Buyer’s performance of its obligations and Buyer fails to provide to Seller adequate assurance of Buyer’s performance before the date of scheduled delivery and in any case within thirty (30) days of Seller’s demand for such assurance; or (iii) if Buyer becomes insolvent or unable to pay its debts as they mature, or goes into liquidation or any bankruptcy proceeding shall be instituted by or against Buyer or if a trustee or receiver or administrator is appointed for all or a substantial part of the assets of Buyer or if Buyer makes any assignment for the benefit of its creditors; or (iv) in case of non- compliance of Buyer with any law, statute ordinance, regulation, code or standard (“Laws and Standards”), then Seller may by notice in writing to Buyer, without prejudice to any of its other rights: (a) demand return and take repossession of any delivered Products which have not been paid for and all costs relating to the recovery of the Products shall be for the account of Buyer; and/or (b) suspend its performance or terminate its order confirmation for pending delivery of Products unless Buyer makes such payment for Products on a cash in advance basis or provides adequate assurance of such payment for Products to Seller.

We thank you for your understanding, and we look forward to serving your needs. 3 Table of contents A Message from our Global Quality Manager ...............................................................2 Avient Corporation: Overview ............................4 Avient Policy for Customer Audits ......................5 Management Responsibility ...............................6 Product Liability Insurance .............................6 Ethics - Code of Conduct.................................6 Modern Slavery Statement .............................6 Conflict Mineral Policy ....................................6 Technical Data Sheets.....................................6 Safety Data Sheets..........................................6 Regulatory Requests and Certificates (FDA certificate, Absence declaration, REACH, SDS) ........................................6 Safety Performance ........................................6 Environmental Performance...........................6 Energy Management ......................................6 Business Continuation Plan.............................6 Preventive - Predictive Maintenance..............6 Financial Report..............................................6 Quality Management..........................................7 3rd Party Certification ......................................7 Complaint Handling ........................................7 Continuous Improvement ...............................7 Traceability .....................................................7 Record Retention............................................7 IT Security.........................................................8 Firewall .........................................................8 Critical Data ..................................................8 IT Disaster Recovery .....................................8 IT Systems of Use Policy ...............................8 Annex 1 - Special dispositions related to ISO 13485 certification for Mevopur .......................9 Change control .............................................9 Validation .....................................................9 Control of documents and records ...............9 Supplier approval and supplier evaluation ...9 Traceability ...................................................9 Material management ..................................9 Release of finished products.........................9 Control of Non-conforming products, complaints handling, recall and CAPA..........9 Annex 2 – special dispositions related to ISO 22000 certification............................................10 Change..........................................................10 HACCP ..........................................................10 Control of documents and records ...............10 Material management ..................................10 Supplier approval and supplier evaluation ...10 Traceability ...................................................10 Release of finished products.........................10 Control of Non-conforming products, complaints handling, recall and CAPA..........10 4 Avient Corporation: Overview The Avient website is your home base for information about the company: https://www.avient.com/ To find our facility locations: https://www.avient.com/contact/global-directory-and-contacts For more information about our management systems certifications, including ISO, go to: https://www.avient.com/company/sustainability/environmental/global-iso-certificate-library Avient Governance (corporate policies and the Avient Code of Conduct): https://www.avient.com/investors/governance Financial reports: https://www.avient.com/investors Avient Sustainability Report: https://www.avient.com/company/sustainability https://www.avient.com/ https://www.avient.com/contact/global-directory-and-contacts https://www.avient.com/company/sustainability/environmental/global-iso-certificate-library https://www.avient.com/investors/governance https://www.avient.com/investors https://www.avient.com/company/sustainability 5 Avient Policy for Customer Audits Avient may permit audits of facilities, subject to:  Advanced notice and an audit agenda provided at least thirty (30) days in advance or as agreed by the Avient location to be audited for a routine audit Standard handling time frame: 1 Business Day to confirm receipt and r .ecord it in our system 15 Business days to analyze problem, provide root cause and action plan. 30 days to close complaint https://www.avient.com/company/sustainability/environmental/global-iso-certificate-library 8 The overall processing times may vary depending on the complexity of the issue and resources needed.

Buyer must give Seller written notice of the existence of each claim involving the Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of the Product forming the basis for the claim or applicable shelf-life expiration, if any. ขอ้จาํกดัความรบัผิด ผูซ้ื7 อจะตรวจสอบสินคา้โดยพลนัหลงัจากไดร้บัสินค้ าวา่มีความเสียหาย ความชาํรุด นํ7าหนักขาดตกบกพรอ่ง และสินคา้ไม่เป็นไปตามที(กาํหนดหรอืไม่ ผูซื้7 อตอ้งแจง้เป็นหนังสอืแก่ผูข้ายใน การเรียกรอ้งแต่ละครั7งเกี(ยวกบัสินคา้ (ไม่วา่จะเป็นการเรียกรอ้งตามสญัญา การผิดการรบัประกนั ความประมาทเลินเล่อ ความรบัผิดโดยสิ7 นเชงิ ละเมิด หรือโดยประการอื(นใด) ภายในสามสิบ (30) วนัหลงัจากไดร้บัสินคา้ตามจาํนวนที(ใชเ้ป็นฐานในการเรียกรอ้ง หรือเมื(อครบกาํหนดระยะเวลาการเก็บสินคา้ดงักล่าว (หากมี) แลว้แต่วา่ระยะเวลาใดจะเกิดขึ7 นก่อน ผูซ้ื7 อเป็นผูร้บัความเสี(ยงทั7งปวงเกี(ยวกบัก ารละเมิดสิทธิบตัรจากการที(ผูซื้7 อนําสินคา้ไปใชร่้วมกบัทรพัยสิ์นอื(น หรือในกระบวนการใดๆ ตลอดจนการละเมิดสิทธิใดๆ ที(เกดิจากการที(ผูข้ายปฏิบติัตามแบบ ขอ้กาํหนดเฉพาะ หรือคาํสั (งการของผูซื้7 อ และผูซื้7 อจะตอ้งแกต่้าง ชดใชค้วามเสียหาย และคุม้ครองผูข้ายใหป้ลอดพน้จากการเรียกรอ้งใดๆ ดงักล่าว ความรบัผิดทั)งหมดของผูข้ายที�มีต่อผูซื้) อสาํหรบัคา่เสียหาย ไม่ว่าจะเกิดจากการผิดการรบัประกนั หรือสาเหตอืุ�นใด และภายใตส้ญัญานี) หรือโดยประการอื�นใด จะไม่เกินราคาซื) อสินคา้ส่วนที�ผูซื้) อเรียกรอ้งคา่เสียหายนั)น ทั)งนี) คูส่ญัญาแตล่ะฝ่ายไม่ตอ้งรบัผิดตอ่คูส่ญัญาอีกฝ่ายหนึ�งสาํหรบัคา่เสียหาย ที�เกี�ยวขอ้ง คา่เสียหายที�เป็นผลตามมา ค่าเสียหายเชิงลงโทษ หรือค่าเสียหายพิเศษใดๆ - 2 - 3.

ISO 9001:2015 The Quality Management System is applicable to: Certificate No: 65799 Certification Date: 01 October 2020 Effective Date: 25 September 2023 Expiration Date: 30 September 2026 Revision Date: 26 September 2023 Dominic Townsend, President DESIGN AND MANUFACTURE OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND SPECIALTY COMPOUNDS This certificate may be found on the ABS QE Website (www.abs-qe.com). Ltd. 30, Hsing Pang Road Taoyuan 33068 Taiwan Facility: Avient Colorants Thailand Ltd.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. i) If Buyer is in default of performance of its obligations towards Seller and fails to provide adequate assurance of Buyer’s performance before the date of scheduled delivery; or (ii) if Seller has reasonable doubts with respect to Buyer’s performance of its obligations and Buyer fails to provide to Seller adequate assurance of Buyer’s performance before the date of scheduled delivery and in any case within thirty (30) days of Seller’s demand for such assurance; or (iii) if Buyer becomes insolvent or unable to pay its debts as they mature, or goes into liquidation or any bankruptcy proceeding shall be instituted by or against Buyer or if a trustee or receiver or administrator is appointed for all or a substantial part of the assets of Buyer or if Buyer makes any assignment for the benefit of its creditors; or (iv) in case of non- compliance of Buyer with any law, statute ordinance, regulation, code or standard (“Laws and Standards”), then Seller may by notice in writing to Buyer, without prejudice to any of its other rights: (a) demand return and take repossession of any delivered Products which have not been paid for and all costs relating to the recovery of the Products shall be for the account of Buyer; and/or (b) suspend its performance or rescinds, partly or completely its order confirmation for pending delivery of Products in accordance with Section 6:265 DCC unless Buyer makes such payment for Products on a cash in advance basis or provides adequate assurance of such payment for Products to Seller.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. i) If Buyer is in default of performance of its obligations towards Seller and fails to provide adequate assurance of Buyer’s performance before the date of scheduled delivery; or (ii) if Seller has reasonable doubts with respect to Buyer’s performance of its obligations and Buyer fails to provide to Seller adequate assurance of Buyer’s performance before the date of scheduled delivery and in any case within thirty (30) days of Seller’s demand for such assurance; or (iii) if Buyer becomes insolvent or unable to pay its debts as they mature, or goes into liquidation or any bankruptcy proceeding shall be instituted by or against Buyer or if a trustee or receiver or administrator is appointed for all or a substantial part of the assets of Buyer or if Buyer makes any assignment for the benefit of its creditors; or (iv) in case of non- compliance of Buyer with any law, statute ordinance, regulation, code or standard (“Laws and Standards”), then Seller may by notice in writing to Buyer, without prejudice to any of its other rights: (a) demand return and take repossession of any delivered Products which have not been paid for and all costs relating to the recovery of the Products shall be for the account of Buyer; and/or (b) suspend its performance or terminate its order confirmation for pending delivery of Products unless Buyer makes such payment for Products on a cash in advance basis or provides adequate assurance of such payment for Products to Seller.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. i) If Buyer is in default of performance of its obligations towards Seller and fails to provide adequate assurance of Buyer’s performance before the date of scheduled delivery; or (ii) if Seller has reasonable doubts with respect to Buyer’s performance of its obligations and Buyer fails to provide to Seller adequate assurance of Buyer’s performance before the date of scheduled delivery and in any case within thirty (30) days of Seller’s demand for such assurance; or (iii) if Buyer becomes insolvent or unable to pay its debts as they mature, or goes into liquidation or any bankruptcy proceeding shall be instituted by or against Buyer or if a trustee or receiver or administrator is appointed for all or a substantial part of the assets of Buyer or if Buyer makes any assignment for the benefit of its creditors; or (iv) in case of non- compliance of Buyer with any law, statute ordinance, regulation, code or standard (“Laws and Standards”), then Seller may by notice in writing to Buyer, without prejudice to any of its other rights: (a) demand return and take repossession of any delivered Products which have not been paid for and all costs relating to the recovery of the Products shall be for the account of Buyer; and/or (b) suspend its performance or terminate its order confirmation for pending delivery of Products unless Buyer makes such payment for Products on a cash in advance basis or provides adequate assurance of such payment for Products to Seller.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. If (i) Buyer is in default of performance of its obligations towards Seller and fails to provide adequate assurance of Buyer’s performance before the date of scheduled delivery; or (ii) Seller has reasonable doubts with respect to Buyer’s performance of its obligations and Buyer fails to provide to Seller adequate assurance of Buyer’s performance before the date of scheduled delivery and in any case within thirty (30) days of Seller’s demand for such assurance; or (iii) Buyer becomes insolvent or unable to pay its debts as they mature, or goes into liquidation or should any insolvency or bankruptcy proceeding be instituted by or against Buyer or should a trustee, receiver, resolution professional, administrator or similar officer be appointed for all or a substantial part of the assets of Buyer, or should Buyer make any assignment for the benefit of its creditors; or (iv) in case of non-compliance of Buyer with any law, statute ordinance, regulation, code or standard (“Laws and Standards”), then Seller may by notice in writing to Buyer, without prejudice to any of its other rights: (a) demand return and take repossession of any delivered Products which have not been paid for and all costs relating to the recovery of the Products shall be to the account of Buyer; and/or (b) suspend its performance or terminate its order confirmation for pending delivery of Products unless Buyer makes such payment for Products on a cash in advance basis or provides adequate assurance of such payment for Products to Seller.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf- life expiration, if any. If (i) Buyer is in default of performance of its obligations towards Seller and fails to provide adequate assurance of Buyer’s performance before the date of scheduled delivery; or (ii) if Seller has reasonable doubts with respect to Buyer’s performance of its obligations and Buyer fails to provide to Seller adequate assurance of Buyer’s performance before the date of scheduled delivery and in any case within thirty (30) days of Seller’s demand for such assurance; or (iii) if Buyer becomes insolvent or unable to pay its debts as they mature, or goes into liquidation or any bankruptcy proceeding shall be instituted by or against Buyer or if a trustee or receiver or administrator is appointed for all or a substantial part of the assets of Buyer or if Buyer makes any assignment for the benefit of its creditors; or (iv) in case of non-compliance of Buyer with any law, statute ordinance, regulation, code or standard (“Laws and Standards”), then Seller may by notice in writing to Buyer, without prejudice to any of its other rights: (a) demand return and take repossession of any delivered Products which have not been paid for and all costs relating to the recovery of the Products shall be for the account of Buyer; and/or (b) suspend its performance or terminate its order confirmation for pending delivery of Products unless Buyer makes such payment for Products on a cash in advance basis or provides adequate assurance of such payment for Products to Seller.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. If (i) Buyer is in default of performance of its obligations towards Seller and fails to provide adequate assurance of Buyer’s performance before the date of scheduled delivery; or (ii) if Seller has reasonable doubts with respect to Buyer’s performance of its obligations and Buyer fails to provide to Seller adequate assurance of Buyer’s performance before the date of scheduled delivery and in any case within thirty (30) days of Seller’s demand for such assurance; or (iii) if Buyer becomes insolvent or unable to pay its debts as they mature, or goes into liquidation or any bankruptcy proceeding shall be instituted by or against Buyer or if a trustee or receiver or administrator is appointed for all or a substantial part of the assets of Buyer or if Buyer makes any assignment for the benefit of its creditors; or (iv) in case of non- compliance of Buyer with any law, statute ordinance, regulation, code or standard (“Laws and Standards”), then Seller may by notice in writing to Buyer, without prejudice to any of its other rights: (a) demand return and take repossession of any delivered Products which have not been paid for and all costs relating to the recovery of the Products shall be for the account of Buyer; and/or (b) suspend its performance or terminate its order confirmation for pending delivery of Products unless Buyer makes such payment for Products on a cash in advance basis or provides adequate assurance of such payment for Products to Seller.