The amounts and values for the facility(ies) identified below are accurate, based on reasonable estimates using available data.

Seller has based any recommendations to Buyer upon information that Seller considers reliable, but Seller makes no warranty as to any results Buyer might obtain in Buyer’s use(s) for the Product. 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. El Comprador debe notificar por escrito al Vendedor cualquier reclamo con respecto al Producto (ya sea de origen contractual, por incumplimiento de la garantía, negligencia, responsabilidad objetiva, otros daños, y demás causas) dentro de los treinta (30) días de haber recibido la cantidad del Producto que constituye la base del reclamo o antes de la fecha de vencimiento del producto (en caso de existir), lo que ocurra primero.

Seller has based any recommendations to Buyer upon information that Seller considers reliable, but Seller makes no warranty as to any results Buyer might obtain in Buyer’s use(s) for the Product. Under penalty of forfeiture, 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. A pena di decadenza, l'Acquirente dovrà dare al Venditore notizia scritta dell'esistenza di un qualunque reclamo relativo al Prodotto (che sia fondato su violazioni contrattuali, violazioni di garanzie, negligenza, responsabilità oggettiva, responsabilità extracontrattuale, altre violazioni o altrimenti) entro il primo dei trenta (30) giorni successivi al ricevimento della quantità del Prodotto che costituisca la base del reclamo o dalla scadenza della relativa durata di conservazione, laddove applicabile.

Seller has based any recommendations to Buyer upon information that Seller considers reliable, but Seller makes no warranty as to any results Buyer might obtain in Buyer’s use(s) for the Product. 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) calendar days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. El Comprador debe notificar por escrito al Vendedor la existencia de cada reclamo relacionado con el Producto (ya sea conforme en el contrato, incumplimiento de garantía, negligencia, responsabilidad estricta, otro delito o de otro modo) dentro del plazo anterior al vencimiento de treinta (30) días calendario después de recibir la cantidad de Producto que sirve de base para el reclamo o al vencimiento del plazo de vida útil aplicable, si corresponde.

Seller has based any recommendations to Buyer upon information that Seller considers reliable, but Seller makes no warranty as to any results Buyer might obtain in Buyer’s use(s) for the Product. 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. Late payments will be subject to penalties based on Seller’s opportunity cost, which the parties agree for simplicity and convenience to fix at 10% of amounts owed for each year of delay, prorated for the actual period of the delay..

The data importer agrees to provide the minimum amount of information permissible when responding to a request for disclosure, based on a reasonable interpretation of the request. This is based on the understanding that laws and practices that respect the essence of the fundamental rights and freedoms and do not exceed what is necessary and proportionate in a democratic society to safeguard one of the objectives listed in Article 23(1) of Regulation (EU) 2016/679, are not in contradiction with these Clauses. b. The data importer agrees to provide the minimum amount of information permissible when responding to a request for disclosure, based on a reasonable interpretation of the request.

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: http://www.avient.com/ To find our facility locations: http://www.avient.com/contact/global-directory-and-contacts For more information about our management systems certifications, including ISO, go to: http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library Avient Governance (corporate policies and the Avient Code of Conduct): http://www.avient.com/investors/governance Financial reports: https://www.avient.com/investors Avient Sustainability Report: https://www.avient.com/company/sustainability http://www.avient.com/ http://www.avient.com/contact/global-directory-and-contacts http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library http://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.  Audits must be conducted during normal business hours.  Audits may require a signed Non-Disclosure Agreement (NDA) prior to the audit.

Employees or agents of the Company or any of its affiliates and members of their immediate families may not buy or sell Company securities, or securities of any other publicly-held company, while in possession of Inside Information, even if the decision to buy or sell is not based upon the Inside Information.

Director Compensation The Compensation Committee periodically reviews the form and amount of non- employee director compensation, including cash and equity-based compensation.

ECert - 2023-09-26T122339.151.pdf Page 1 of 10 Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.