The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/p4owuchb. Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Summary of Special Items (Unaudited) (In millions, except per share data)

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For more information, visit https://www.avient.com/. In millions, except per share data) In millions, except per share data)

Please verify this organization’s acceptance status by using the CPSC’s searchable database, located at http://www.cpsc.gov/cgi-bin/labsearch/. http://www.cpsc.gov/cgi-bin/labsearch/ For the tests to which this accreditation applies, please refer to the laboratory’s Chemical Scope of Accreditation.

12950 Worldgate Drive, Suite 800, Herndon, VA 20170-6007 USA A Member of the BSI Group of Companies. https://pgplus.bsigroup.com/CertificateValidation/CertificateValidator.aspx? Americas Headquarters: BSI Group America Inc., 12950 Worldgate Drive, Suite 800, Herndon, VA 20170-6007 USA A Member of the BSI Group of Companies. https://pgplus.bsigroup.com/CertificateValidation/CertificateValidator.aspx?

Please verify this organization’s acceptance status by using the CPSC’s searchable database, located at http://www.cpsc.gov/cgi-bin/labsearch/. http://www.cpsc.gov/cgi-bin/labsearch/ For the tests to which this accreditation applies, please refer to the laboratory’s Chemical Scope of Accreditation.

Characteristic GlasArmor Thermoset Panels ThermoBallistic Thermoplastic Panels Steel Concrete Performance-to-Weight            Bullet Resistance – Pistols           Bullet Resistance – Rifles    NA1     Temperature Performance        2         UV Resistance       3         Electrical Conductivity              Flame Retardance    5   4         Ease of Installation             1 Ballistic resistance to rifle fire can be achieved by layering ThermoBallistic and GlasArmor panels – contact Avient 2 ThermoBallistic panels made with polypropylene resin systems 3 UV resistance is achieved using surface polymeric films 4 Flame retardant additives can be incorporated upon request under some circumstances 5 Fire rated for 1-hour per ASTM E-119-09c when tested in an interior wall system Compare the different materials used for ballistic protection https://go.avient.com/BallisticProtection? ga_5ZFGRMWVZK*MTczMTMzNDQ3Mi4yLjEuMTczMTMzNDQ4OC40NC4wLjA avient.com/contact-0 https://www.avient.com/sites/default/files/2023-01/GlasArmor%20Ballistic%20Resistant%20Panels%20Case%20Study.pdf

The webcast can be viewed at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/edkwvu9r. For more information, visit www.avient.com/. # # # http://www.avient.com/investors https://edge.media-server.com/mmc/p/edkwvu9r https://edge.media-server.com/mmc/p/edkwvu9r http://www.avient.com/investors https://www.avient.com/ 4 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.

In reviewing competitive market data for 2022, we drew from two independent sources. The second independent source of data that we used to augment the peer proxy analysis was the Consultant’s analysis of competitive market data relating to other applicable general industries. The CEO makes his recommendations in conjunction with the marketplace data.

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