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Our Code of Conduct and Ethics Hotline are available at: https://www.polyone.com/company/policies-and- governance ETHICS REPORTS: Confidential, Discreet, No Retaliation Do you have an ethics concern? Governance 102–18 Governance structure Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.polyone.com/investors/governance 102–20 Executive-level responsibility for economic, environmental, and social topics Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement https://www.polyone.com/investors/governance 102–22 Composition of the highest governance body and its committees Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.polyone.com/investors/governance 102–23 Chair of the highest governance body Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–18 https://www.polyone.com/investors/governance 102–24 Nominating and selecting the highest governance body Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 21–22 https://www.polyone.com/investors/governance Sustainability Report | 2018 85 GRI Standard Disclosure Title PolyOne Disclosures 102–25 Conflicts of interest Performance—Board of Directors Code of Conduct https://www.polyone.com/investors/governance 102–26 Role of highest governance body in setting purpose, values, and strategy Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.polyone.com/investors/governance 102–27 Collective knowledge of highest governance body Performance—Board of Director PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 9–12 https://www.polyone.com/investors/governance 102–28 Evaluating the highest governance body's performance Performance—Board of Directors PolyOne 2018 Annual Report and Proxy Statement Page 22 https://www.polyone.com/investors/governance 102–29 Identifying and managing economic, environmental, and social impacts Performance—Board of Directors https://www.polyone.com/investors/governance 102–30 Effectiveness of risk management processes Performance—Board of Directors Proxy Statement Page 18 https://www.polyone.com/investors/governance 102–31 Review of economic, environmental, and social topics Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.polyone.com/investors/governance 102–32 Highest governance body's role in sustainability reporting Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.polyone.com/investors/governance 102–33 Communicating critical concerns Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Page 19 Code of Conduct https://www.polyone.com/investors/governance 102–34 Nature and total number of critical concerns PolyOne 2018 Annual Report—Form 10-K Page 51–52 102–35 Renumeration Policies PolyOne Notice of 2019 Annual Meeting of Shareholders and Proxy Statement GRI Content Index 86 Sustainability Report | 2018 GRI Standard Disclosure Title PolyOne Disclosures 102–36 Process for determining renumeration PolyOne Proxy Statement 102–37 Stakeholders' involvement in renumeration PolyOne Proxy Statement 102–38 Annual total compensation ratio PolyOne Proxy Statement 102–39 Percentage increase in annual total compensation ratio PolyOne Proxy Statement 5. Code of Conduct https://www.polyone.com/investors/governance GRI 206: Anti-competitive Behavior 206–1 Legal actions for anti-competitive behavior, anti-trust, and monopoly practices No legal actions were brought against PolyOne for anti-competitive behavior, anti-trust, or monopoly practices in 2018.

subject= https://secure.ethicspoint.com/domain/media/en/gui/49178/index.html http://Avient.com https://secure.ethicspoint.com/domain/media/en/gui/49178/index.html Se prohíben las represalias Avient no tolerará represalias contra cualquier persona que, de buena fe, pida asesoramiento, presente una inquietud, denuncie una mala conducta o comparta información para una investigación relacionada con una sospecha de incumplimiento del Código de conducta. CÓDIGO DE CONDUCTA | 27 ÍNDICE INTRODUCCIÓN NUESTRO CÓDIGO DE CONDUCTA RESPETO HACIA TODOS HONESTIDAD EN EL TRABAJO INTEGRIDAD DE NUESTRO NEGOCIO RESPONSABILIDAD SOCIAL CORPORATIVA RECURSOS https://www.avient.com/company/sustainability/sustainability-report https://www.avient.com/company/sustainability/sustainability-report http://Avient.com/sustainability. https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 Preguntas y respuestas P: Mi supervisor me ha pedido que siga un nuevo procedimiento de eliminación de residuos, pero no sé con certeza si es seguro o incluso legal. ÍNDICE INTRODUCCIÓN NUESTRO CÓDIGO DE CONDUCTA RESPETO HACIA TODOS HONESTIDAD EN EL TRABAJO INTEGRIDAD DE NUESTRO NEGOCIO RESPONSABILIDAD SOCIAL CORPORATIVA RECURSOS CÓDIGO DE CONDUCTA | 30 http://avient.ethicspoint.com http://avient.ethicspoint.com http://avient.ethicspoint.com http://avient.ethicspoint.com Norteamérica Sede mundial de Avon Lake, Estados Unidos 33587 Walker Road Avon Lake, OH, United States 44012 Llamada gratuita: +1 866 765 9663 Teléfono: +1 440 930 1000 Fax: +1 440 930 3064 Asia Pacífico Sede regional de Shanghái (China) 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, China Teléfono: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Sudamérica Sede regional en São Paulo (Brasil) Av.