29/6/2021 Formulario de Impresión de Constancia de Inscripción https://seti.afip.gob.ar/padron-puc-constancia-internet/ConsultaConstanciaAction.do 1/1 ADMINISTRACION FEDERAL DE INGRESOS PUBLICOS CONSTANCIA DE INSCRIPCION AVIENT ARGENTINA S.A. Esta constancia no da cuenta de la inscripción en: - Impuesto Bienes Personales y Exteriorización - Ley 26476: de corresponder, deberán solicitarse en la dependencia donde se encuentra inscripto. - Impuesto a las Ganancias: la condición de exenta, para las entidades enunciadas en los incisos b), d), e), f), g), m) y r) del Art. 20 de la ley, se acredita mediante el "Certificado de exención en el Impuesto a las Ganancias" - Resolución General 2681. - Aporte Solidario: de corresponder, deberá solicitarse en la dependencia donde se encuentra inscripto. - Responsable Deuda Ajena Aporte Solidario: de corresponder, deberá solicitarse en la dependencia donde se encuentra inscripto. Mes de inicio: 10/2015 Mes de cierre ejercicio comercial: 12 DOMICILIO FISCAL - AFIP Vigencia de la presente constancia: 29-06-2021 a 29-07-2021 Hora 11:48:03 Verificador 102744316377 Los datos contenidos en la presente constancia deberán ser validados por el receptor de la misma en la página institucional de AFIP http://www.afip.gob.ar. http://www.afip.gob.ar/

Normative base EN ISO 13485:2016 Medical devices – Quality Management System Reg. no. 46154 Validity 12.01.2022 – 11.01.2025 Issue 12.01.2022 Swiss Made Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland F.

AT 20-17 2 EN SAVOIR PLUS En France, avec l’extension des consignes de tri à l’ensemble des emballages en plastique, les centres de tri se modernisent, notamment en automatisant leur process et en s’équipant de séparateur optique fonctionnant avec la technologie proche infrarouge. Les résultats des essais réalisés en statique et en dynamique chez les deux Fabricants T.O. À Paris, le 17 juillet 2020 1 Disponible sur le site du COTREP : https://www.cotrep.fr/content/uploads/sites/3/2019/02/tri-p1-emballages-sombres-v01-2019.pdf https://www.cotrep.fr/content/uploads/sites/3/2019/02/tri-p1-emballages-sombres-v01-2019.pdf

AT 20-18 2 EN SAVOIR PLUS En France, avec l’extension des consignes de tri à l’ensemble des emballages en plastique, les centres de tri se modernisent, notamment en automatisant leur process et en s’équipant de séparateur optique fonctionnant avec la technologie proche infrarouge. Les résultats des essais réalisés en statique et en dynamique chez les deux Fabricants T.O. À Paris, le 17 juillet 2020 1 Disponible sur le site du COTREP : https://www.cotrep.fr/content/uploads/sites/3/2019/02/tri-p1-emballages-sombres-v01-2019.pdf https://www.cotrep.fr/content/uploads/sites/3/2019/02/tri-p1-emballages-sombres-v01-2019.pdf

AT 20-19 2 EN SAVOIR PLUS En France, avec l’extension des consignes de tri à l’ensemble des emballages en plastique, les centres de tri se modernisent, notamment en automatisant leur process et en s’équipant de séparateur optique fonctionnant avec la technologie proche infrarouge. Les résultats des essais réalisés en statique et en dynamique chez les deux Fabricants T.O. À Paris, le 17 juillet 2020 1 Disponible sur le site du COTREP : https://www.cotrep.fr/content/uploads/sites/3/2019/02/tri-p1-emballages-sombres-v01-2019.pdf https://www.cotrep.fr/content/uploads/sites/3/2019/02/tri-p1-emballages-sombres-v01-2019.pdf

OUR SUPPLIERS AND PARTNERS Avient is also committed to working with suppliers, agents, and distributors who uphold the same standards. We reserve the right to terminate the business relationship if a supplier fails to meet their obligations. Our Supplier Code of Conduct can be found at: https://www.avient.com/sites/default/files/2020-10/supplier-code-of-conduct.pdf Since it is incorporated by reference into our terms and conditions of purchase, our Supplier Code of Conduct drives interactions with our suppliers and our expectations for doing business, and generally aligns with International Labor Organization (ILO) standards. https://www.avient.com/company/policies-and-governance/ca-transparency-act-disclosure https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-traffickingstatement https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-traffickingstatement https://www.avient.com/sites/default/files/2020-10/supplier-code-of-conduct.pdf

D is t. ) K W R P P G A V Y F U L R P M G C P F M C H X L H U N E C L A S H E M N C E S C L Source: Peer data per Bloomberg market data as of October 25, 2021 Avient reflects 2021 estimated revenue of $4,750M and estimated CAPEX of $80M (excludes one-time synergy capture CAPEX of $20M) Avient Specialty Formulators Other Chemical/Specialty Companies Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $580M and estimated CAPEX of $80M (excludes one-time synergy capture CAPEX of $20M) Source: Peer data per Bloomberg market data as of October 25, 2021 86 92 85 82 79 77 74 89 83 82 80 79 79 78 78 72 33 A vi en t K W R P P G A V Y F U L R P M G C P F M C U N V R C E H X L B N R A S H E C L E M N H U N S C L A L B (12) Source: Peer data per Bloomberg market data as of October 25, 2021 Total Enterprise Value / 2021E EBITDA Our current valuation with updated guidance implies an EBITDA multiple that is below specialty formulator peers and the median of other selected chemical / specialty companies. With the Clariant Color business acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 24 Avient reflects 2021 estimated EBITDA of $580M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 11.0 18.3 16.3 15.4 14.5 11.6 11.1 36.2 28.0 24.9 13.0 11.5 11.3 10.0 9.2 8.8 7.7 6.7 A vi en t K W R P P G A V Y R P M F U L G C P A L B H X L E C L A S H F M C B N R S C L U N V R E M N C E H U N SUMMARY: WHY INVEST IN AVIENT?

Sauf stipulation contraire, les prix sont exprimés en Euro. 8. DATA PROTECTION Buyer hereby agrees that any data in relation with the business relationship between Buyer and Seller may be processed by Seller, in compliance with applicable laws and regulations. 15. TRADUCTION Les Conditions Générales de Vente sont rédigées en Anglais et en Français.

A full copy of Avient’s Code of Conduct is available in over 20 languages and can be found here: Avient’s Policy on Human Rights can be found here: https://www.avient.com/ https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/company/policies-and-governance-0/avients-human-rights-policy Page 2 of 3 Training To mitigate against the risk of non-compliance with our policy, Avient requires all associates to complete mandatory Code of Conduct training. Supplier due diligence ColorMatrix has a wide ranging supply chain that supports our European operations. In the Avient Supplier Code of Conduct (here), which is applicable to the suppliers of ColorMatrix, Avient prescribes that its suppliers should not use slavery or human trafficking in connection with any product supplied to Avient.

El Comprador deberá realizar todos los pagos en efectivo o su equivalente en efectivo al valor nominal en los fondos, dentro del plazo y en el lugar indicado en la factura del Vendedor. Buyer acknowledges that information in Seller’s marketing materials, technical data sheets and other descriptive publications distributed or published on its websites may vary from time to time without notice. Buyer acknowledges that Seller has furnished to Buyer Safety Data Sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product.