Normative basis EN ISO 13485:2016 Medical devices – Quality Management System Page 1 of 3 Appendix of main certificate H61173 Central function Scope Norm / Revision Reg. no. Lewiston, ME, 04240 United States of America / 3 Appendix Page 2 of 3 The validity of this appendix depends on the validity of the main certificate. Validity Avient Colorants Singapore Pte Ltd 8 Third Chin Bee Road Jurong Industrial Estate Singapore 618684 Singapore / 3 Appendix Page 3 of 3 The validity of this appendix depends on the validity of the main certificate.

Página [1] de [3] CEDULA DE IDENTIFICACION FISCAL PME940105NT9 Registro Federal de Contribuyentes AVIENT DE MEXICO Nombre, denominación o razón social idCIF: 14091123986 VALIDA TU INFORMACIÓN FISCAL CONSTANCIA DE SITUACIÓN FISCAL Lugar y Fecha de Emisión TOLUCA , MEXICO A 08 DE JUNIO DE 2021 PME940105NT9 Datos de Identificación del Contribuyente: RFC: PME940105NT9 Denominación/Razón Social: AVIENT DE MEXICO Régimen Capital: SOCIEDAD ANONIMA DE CAPITAL VARIABLE Nombre Comercial: Fecha inicio de operaciones: 05 DE ENERO DE 1994 Estatus en el padrón: ACTIVO Fecha de último cambio de estado: 18 DE ENERO DE 1994 Datos de Ubicación: Código Postal:50233 Tipo de Vialidad: AVENIDA (AV.) Fijo Lada: 722 Número: 2790200 Página [2] de [3] Actividades Económicas: Orden Actividad Económica Porcentaje Fecha Inicio Fecha Fin 1 Otras industrias manufactureras 100 27/08/1999 Regímenes: Régimen Fecha Inicio Fecha Fin Régimen General de Ley Personas Morales 01/01/2014 Obligaciones: Descripción de la Obligación Descripción Vencimiento Fecha Inicio Fecha Fin Pago provisional mensual de ISR personas morales régimen general 05/01/1994 Declaración anual de ISR del ejercicio Personas morales. Si conoces algún posible acto de corrupción o delito presenta una queja o denuncia a través de: www.sat.gob.mx, denuncias@sat.gob.mx, desde México: 01 (55) 8852 2222, desde el extranjero: 1 844 28 73 803, SAT móvil o Página [3] de [3] www.gob.mx/sfp".

Microsoft PowerPoint - PolyOne Investor Presentation 5.4.20_v8 P E O P LE P RO D U CT S P LA N E T P E RF O R MAN C E JVs Performance Products & Solutions Distribution Specialty To be the world’s premier provider of specialized polymer materials, services and solutions To be the world’s premier provider of specialized polymer materials, services and sustainable solutions 2016 2017 2018 2019 Lightweighting Reduced Material Requirements Improved Recyclability Renewable Energy Applications Eco-conscious Bio-derived Content Reduced Energy Use VOC Reduction $275M $325M $355M $410M 14% Total Annual Growth 9% Organic Annual Growth PolyOne Corporation 33 Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016** 2017** 2018 2018*** Q1 2019*** 2019 Q1 2020 Net income from continuing operations attributable to PolyOne common shareholders Joint venture equity earnings, after tax Special items, before tax(1) Special items, tax adjustments(1) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 $ 87.7 $ 22.4 $ 75.5 $ 33.1 (19.0) (14.7) (3.7) — — — — — — — — — — — (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 58.7 12.2 61.7 9.6 (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) (25.1) (1.2) (5.9) (1.0) $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 $ 121.3 $ 33.4 $ 131.3 $ 41.7 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 80.4 78.2 77.7 86.7 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 $ 1.51 $ 0.43 $ 1.69 $ 0.48 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation. ** Pro forma for sale of Designed Structures and Solutions segment (DSS). *** Pro forma for sale of Performance Products and Solutions segment (PP&S). Reconciliation to Adjusted EPS Excluding Special Items and Impacts of February 2020 Equity Offering Three MonthsEnded March 31, 2020 Net income from continuing operations – GAAP $ 33.1 Special items, after tax(1) 8.6 After tax interest income earned on equity proceeds, included in Interest expense, net (0.7) Adjusted net income excluding special items and impact of interest income on equity proceeds $ 41.0 Diluted weighted-average shares used to compute earnings per common share 86.7 Weighted-average impact of 15.3 million shares issued in February 2020 equity offering (9.3) Diluted weighted-average shares excluding impact of shares issued in February 2020 equity offering 77.4 Adjusted EPS - excluding special items and the net impact of equity offering $ 0.53 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results.

– February 3, 2020 – At Medical Design and Manufacturing (MD&M) West next week, PolyOne is focusing on helping customers solve February 3, 2020 February 3, 2020

MANNHEIM, Germany – April 3, 2019 – This week at the Plastics in Automotive Engineering (PIAE) congress, PolyOne is presenting its deep portfolio April 3, 2019 April 3, 2019

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Specialization Globalization Operational Excellence Commercial Excellence Associates 3 4 Richtlijnen voor ethisch gedrag De Gedragscode van Avient (de ’Code’) is een richtlijn voor zakelijk gedrag. Wanneer u op zakenreis bent, wordt er van u verwacht dat u: 1. het reis- en entertainmentbeleid van Avient naleeft; 2. een voorkomen en gedrag aanhoudt die de reputatie en kernwaarden van Avient uitdragen; 3. alle wetten naleeft; en 4. alle gewone en passende zelf betaalde zakelijke onkosten meldt en documenteert. Ethiekhotline: https://www.Avient.com/company/policies-and-governance/ethics-hotline Telefoonnummer ethiekhotline: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Noord-Amerika Wereldwijd hoofdkantoor Avon Lake, Verenigde Staten 33587 Walker Road Avon Lake, OH, Verenigde Staten 44012 Gratis: +1-866-765-9663 Telefoon: +1-440-930-1000 Fax: +440 930 3064 Azië-Pacific Regionaal hoofdkantoor Shanghai, China 2F, blok C 200 Jinsu Road Pudong, 201206 Shanghai, China Telefoon: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Zuid-Amerika Regionaal hoofdkantoor Sao Paulo, Brazilië Av.

TÍTULO DO ESTABELECIMENTO (NOME DE FANTASIA) ******** PORTE DEMAIS CÓDIGO E DESCRIÇÃO DA ATIVIDADE ECONÔMICA PRINCIPAL 20.99-1-99 - Fabricação de outros produtos químicos não especificados anteriormente CÓDIGO E DESCRIÇÃO DAS ATIVIDADES ECONÔMICAS SECUNDÁRIAS 46.79-6-01 - Comércio atacadista de tintas, vernizes e similares 46.84-2-99 - Comércio atacadista de outros produtos químicos e petroquímicos não especificados anteriormente 46.63-0-00 - Comércio atacadista de Máquinas e equipamentos para uso industrial; partes e peças 28.66-6-00 - Fabricação de máquinas e equipamentos para a indústria do plástico, peças e acessórios 82.11-3-00 - Serviços combinados de escritório e apoio administrativo 64.63-8-00 - Outras sociedades de participação, exceto holdings 71.20-1-00 - Testes e análises técnicas 22.29-3-02 - Fabricação de artefatos de material plástico para usos industriais CÓDIGO E DESCRIÇÃO DA NATUREZA JURÍDICA 206-2 - Sociedade Empresária Limitada LOGRADOURO AV FRANCISCO NAKASATO NÚMERO 1700 COMPLEMENTO ******** CEP 13.295-000 BAIRRO/DISTRITO SAO ROQUE DA CHAVE MUNICÍPIO ITUPEVA UF SP ENDEREÇO ELETRÔNICO FABIANA.SILVA@POLYONE.COM TELEFONE (11) 4593-9279/ (11) 4593-9252 ENTE FEDERATIVO RESPONSÁVEL (EFR) ***** SITUAÇÃO CADASTRAL ATIVA DATA DA SITUAÇÃO CADASTRAL 08/04/2005 MOTIVO DE SITUAÇÃO CADASTRAL SITUAÇÃO ESPECIAL ******** DATA DA SITUAÇÃO ESPECIAL ******** Aprovado pela Instrução Normativa RFB nº 1.863, de 27 de dezembro de 2018. Página: 1/1

Carbon Footprint Infographic Downstream COMMON TERMINOLOGY Carbon Dioxide Equivalent (CO2e): A common way to measure and report greenhouse gas (GHG) emissions such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and sulphur hexafluoride (SF6) Emission Standards: The classification of emissions across the supply chain Scope 1: Direct emissions from sources that are owned or controlled by an organization (e.g., company-owned vehicles, process emissions, and on-site heating) Scope 2: Indirect emissions from purchased indirect sources, such as the production of electricity and steam for an organization’s use Scope 3: Indirect emissions from sources up and down the supply chain, including materials, transportation of goods, and the processing, use, and end-of-life treatment of sold products Cradle-to-Gate: Carbon impact of a product from raw materials and product manufacturing Cradle-to-Grave: Carbon impact and analysis across the entire life cycle of a product from raw materials to disposal © 2023 Avient • www.avient.com • 1.844.4AVIENT Raw Materials Supply Chain UNDERSTANDING CARBON FOOTPRINT CO2e Transportation End-of-Life Treatment Processing of Goods Use of Products Transportation Chemical Processing Cradle-to-Gate (B2B) Cradle-to-Grave (B2C) SCOPE 3 INDIRECT SCOPE 3 INDIRECT Electricity Steam Company Facilities Company-Owned Vehicles SCOPE 1 DIRECT SCOPE 2 INDIRECT Reporting CompanyUpstream

UV ORANGE 3 POM BLUEBIRD 3 16-4834TCX POM NOSTALGIA 3 17-1512TCX