1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com 管理体系认证证书 证书号码: 273138-2018-AQ-RGC-IATF IATF证书号码: 0558323 有效期限: 2024年12月 10日 – 2027年12月 09日 兹证明 普立万聚合体（深圳）有限公司 中国广东省深圳市宝安区沙井镇蚝乡路启航工业园1号 518104 统一社会信用代码：9144030076498189X0(USI: C5M65R) 外部支持场所： 见附页 质量管理体系符合 : IATF 16949:2016 此证书对下列范围有效: 塑料改性材料的设计和制造 豁免：无 http://www.dnv.com 证书号码: 273138-2018-AQ-RGC-IATF IATF证书号码: 0558323 证书制作地点及日期: Katy, TX, 2024年12月 10日 未履行认证协议中规定条款会导致此证书失效，获证组织必须定期接受监督审核并经审核合格此证书方继续有效。 获得认可的单位: DNV Business Assurance USA Inc., 1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com 页 2 / 2 证书附页 普立万聚合体（深圳）有限公司 外部支持场所： 场所名称 场所地址 外部支持场所活动 认证机构 普立万企业管理（上海）有限公司 中国上海浦东金桥经济开发技术区 金苏路200号C幢2楼 201206(USI: PKFHC3) 产品设计，过程设计 DNV 普立万聚合体（苏州）有限公司 中国江苏省苏州工业区胜港街77号 215127(USI: CF4943) 合同评审，销售，供应商管理 DNV http://www.dnv.com

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 PolyOne 2018 Annual Report—Form 10-K https://www.polyone.com/investors/governance 102–20 Executive-level responsibility for economic, environmental, and social topics 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 PolyOne 2018 Annual Report—Form 10-K https://www.polyone.com/investors/governance 102–23 Chair of the highest governance body 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 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 85 102–25 Conflicts of interest https://www.polyone.com/investors/governance 102–26 Role of highest governance body in setting purpose, values, and strategy PolyOne 2018 Annual Report—Form 10-K 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 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 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 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 PolyOne 2018 Annual Report—Form 10-K https://www.polyone.com/investors/governance 102–33 Communicating critical concerns PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Page 19 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 86 Sustainability Report | 2018 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. Sustainability Report | 2018 87 102–50 Reporting period This report covers the period of January 1, 2018 through December 31, 2018. 102–51 Date of most recent report This is PolyOne's first Sustainability Report. 102–52 Reporting cycle At minimum biennial 102–53 Contact point for questions regarding the report https://www.polyone.com/content/contact-us 102–54 Claims of reporting in accordance with the Standards This report has been prepared in accordance with the GRI Standards: Core Option. 102–55 GRI content index Appendix—GRI Index 102–56 External assurance Currently, we do not peruse external assurance/ verification of our Sustainability Report.

CÓDIGO DE CONDUTA | 17 NOSSO CÓDIGO DE HONESTIDADE NO INTEGRIDADE EM RESPONSABILIDADE RECURSOS http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/CorporatePolicies/CyberandDataIncidentResponsePolicy/tabid/2729/Default.aspx http://polynet/ethics/CorporatePolicies/CyberandDataIncidentResponsePolicy/tabid/2729/Default.aspx Informações privilegiadas e transações com informações privilegiadas Na Avient, você pode ficar ciente de informações importantes não divulgadas ao público, relacionadas à Avient ou a qualquer empresa com a qual fazemos negócios. CÓDIGO DE CONDUTA | 21 NOSSO CÓDIGO DE HONESTIDADE NO INTEGRIDADE EM RESPONSABILIDADE RECURSOS https://www.avient.com/company/policies-and-governance/global-policy-anti-bribery-and-anti-corruption https://www.avient.com/company/policies-and-governance/global-policy-anti-bribery-and-anti-corruption Agentes ou consultores Devemos assegurar que agentes, consultores e outros representantes atuando em nome da Avient não ofereçam ou recebam subornos ou propinas, nem se envolvam em qualquer outra conduta ilegal ou antiética. CÓDIGO DE CONDUTA | 27 NOSSO CÓDIGO DE HONESTIDADE NO INTEGRIDADE EM RESPONSABILIDADE RECURSOS 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 P: Meu supervisor me pediu para seguir um novo procedimento de descarte de resíduos, mas não tenho certeza se é seguro ou mesmo legal.

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