Dans la poursuite de ce qui précède, nous attendons de nos fournisseurs qu’ils : • Fournissent uniquement des métaux 3TG issus de zones sans conflit à Avient ; • S’engagent dans la diligence raisonnable des chaînes d’approvisionnement en suivant un cadre de diligence reconnu au niveau national ou international ; • Signalent (sur demande) à Avient leurs processus de diligence raisonnable et certifient que les métaux 3TG fournis à Avient par les pays limitrophes sont exempts de conflit ; et • Signalent immédiatement à Avient toute modification de la chaîne d’approvisionnement concernant l’origine des métaux 3TG ou le statut de conflit https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf • Respecter toutes les lois applicables régissant les exigences en matière de salaire et d’heures de travail, y compris la rémunération, les avantages sociaux et les heures supplémentaires.

A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. https://www.avient.com/investors/ https://edge.media-server.com/mmc/p/ky9b3iov https://www.avient.com/investors/ https://register.vevent.com/register/BIa7fc29ba31db4eec88eca2de2a3faa90 https://www.avient.com/investors/events-presentations https://www.avient.com/news-events 4 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. For more information, visit https://www.avient.com.

https://www.avient.com/investors https://edge.media-server.com/mmc/p/izyekkyu https://www.avient.com/investors https://register.vevent.com/register/BI3c8fe685f32648e0abfb1ac2c77a59d9 https://www.avient.com/investors/events-presentations 3 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. https://www.avient.com/news-events 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.

Homepage // News Center // Expanded reSound™ R TPE Portfolio from Avient Launches Globally, Over 80 Percent Recycled Content Available in EU These European grades include a blend of both post-industrial (PIR) and post-consumer recycled (PCR) content, and are available in 30A, 50A and 70A Shore hardness levels.

The amounts and values for the facility(ies) identified below are accurate, based on reasonable estimates using available data.  I also acknowledge that the data will be made public. lang=En&n=62DA6A44-1 http://healthycanadians.gc.ca/index-eng.php http://www.voyage.gc.ca/index-eng.asp http://www.servicecanada.gc.ca/eng/home.shtml http://www.jobbank.gc.ca/intro-eng.aspx http://actionplan.gc.ca/eng/index.asp http://www.canada.gc.ca/home.html

Sizes available: 0.50 mm – 5.00mm Splicing & respooling services available Additional up-jacketing available up to 17.00 mm

Polym Eng Sci. 2021;1–8. wileyonlinelibrary.com/journal/pen 1 mailto:zach.zander@avient.com http://creativecommons.org/licenses/by/4.0/ http://wileyonlinelibrary.com/journal/pen http://crossmark.crossref.org/dialog/? All samples were tested in duplicate (n = 2); the bar graph represents the average, and the open circles represent the log10-transformed raw data. Sci. 2021, 1. https://doi.org/10.1002/pen.25815 8 ZANDER ET AL.

In millions, except per share data) In millions, except per share data) In millions, except per share data)

The company also announced the release of its latest Sustainability Report, now available at www.avient.com/sustainability. For more information, visit https://www.avient.com. In millions, except per share data)

Room 201, Building 20, No. 200 JinSu Road, Shanghai Free Trade Zone, China, 200131 Design of Plastic Compounding Material Polyone - Suzhou, China EM Sector, 77 Shenggang Street, Suzhou Industrial Park, Suzhou, Jiangsu, China, 215024 Manufacture of Plastic Compounding Material