https://www.avient.com/investors https://edge.media-server.com/mmc/p/pyh3w2ip/ https://www.avient.com/investors https://register.vevent.com/register/BId7a8a09515a442e9b13c4d5558d927fe https://www.avient.com/investors/events-presentations 4 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. For more information, visit https://www.avient.com/. 5 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995.

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Scenario analysis No, but we anticipate using qualitative and/or quantitative analysis in the next two years https://6fefcbb86e61af1b2fc4-c70d8ead6ced550b4d987d7c03fcdd1d.ssl.cf3.rackcdn.com/cms/guidance_docs/pdfs/000/002/290/original/2020_CC_General_and_Sectors_weightings_V2_FINAL.pdf? 1588864063 https://6fefcbb86e61af1b2fc4-c70d8ead6ced550b4d987d7c03fcdd1d.ssl.cf3.rackcdn.com/cms/guidance_docs/pdfs/000/002/290/original/2020_CC_General_and_Sectors_weightings_V2_FINAL.pdf?

Scenario analysis No, but we anticipate using qualitative and/or quantitative analysis in the next two years https://6fefcbb86e61af1b2fc4-c70d8ead6ced550b4d987d7c03fcdd1d.ssl.cf3.rackcdn.com/cms/guidance_docs/pdfs/000/002/503/original/CDP-Climate-Change-Categories-Weightings.pdf? 1615802273 https://6fefcbb86e61af1b2fc4-c70d8ead6ced550b4d987d7c03fcdd1d.ssl.cf3.rackcdn.com/cms/guidance_docs/pdfs/000/002/503/original/CDP-Climate-Change-Categories-Weightings.pdf?

https://6fefcbb86e61af1b2fc4-c70d8ead6ced550b4d987d7c03fcdd1d.ssl.cf3.rackcdn.com/cms/guidance_docs/pdfs/000/002/303/original/SER-Methodology.pdf? 1589193748 https://cdn.cdp.net/cdp-production/cms/guidance_docs/pdfs/000/002/496/original/SER-Methodology.pdf?

Scenario analysis No, but we anticipate using qualitative and/or quantitative analysis in the next two years https://6fefcbb86e61af1b2fc4-c70d8ead6ced550b4d987d7c03fcdd1d.ssl.cf3.rackcdn.com/cms/guidance_docs/pdfs/000/002/503/original/CDP-Climate-Change-Categories-Weightings.pdf? 1615802273 https://6fefcbb86e61af1b2fc4-c70d8ead6ced550b4d987d7c03fcdd1d.ssl.cf3.rackcdn.com/cms/guidance_docs/pdfs/000/002/503/original/CDP-Climate-Change-Categories-Weightings.pdf?

OUR CODE OF INTEGRITY IN OUR CORPORATE SOCIAL CODE OF CONDUCT | 14 https://www.avient.com/company/policies-and-governance/it-systems-use-policy https://www.avient.com/company/policies-and-governance/it-systems-use-policy Proprietary and Confidential Information, Ideas and Intellectual Property Our competitive edge can easily be diminished if others gain access to Avient’s proprietary information, innovative ideas or intellectual property and use it to develop competing products or to gain positions with our customers. OUR CODE OF INTEGRITY IN OUR CORPORATE SOCIAL CODE OF CONDUCT | 17 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 Insider Information and Trading At Avient, you may become aware of material information relating to Avient or any company with which we do business that has not been disclosed to the public. OUR CODE OF INTEGRITY IN OUR CORPORATE SOCIAL CODE OF CONDUCT | 27 https://Avient.com/sustainability http://Avient.com/sustainability http://Avient.com/sustainability https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 Q: My supervisor asked me to follow a new waste disposal procedure, but I am not sure it is safe or even legal.

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