https://www.avient.com/products/polymer-additives/repellant-antimicrobial-additives/cesa-withstand-antimicrobial-additives Slide 1: Medical gown manufacturer

https://www.avient.com/products/vivo-formulations-healthcare/neusoft-thermoplastic-polyurethanes Slide 1: Medical device Manufacturer

https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl%C4%93t-long-fiber-reinforced-structural-thermoplastics

https://www.avient.com/products/vinyl-formulations/vinyl-plastisols-organosols/core-non-phthalate-plastisols

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/? Sci. 2021, 1. https://doi.org/10.1002/pen.25815 8 ZANDER ET AL. https://www.gupta-verlag.com/magazines/pu-magazine-international/02-2020 https://www.gupta-verlag.com/magazines/pu-magazine-international/02-2020 https://doi.org/10.1002/pen.25815 Microbial susceptibility of various polymers and evaluation of thermoplastic elastomers with antimicrobial additives 1 INTRODUCTION 2 EXPERIMENTS 3 RESULTS AND DISCUSSION 4 CONCLUSIONS Endnote REFERENCES

Predecessors MA Hanna and The Geon Company, over 100 years. 2.0 Management System Registrations For more information regarding our Management System certifications, please refer to our website at http://www.polyone.com/company/sustainability/environmental/global-iso-certificate-library 3.0 Audit PolyOne is open to permitting an audit of PolyOne facilities, subject to: • Advanced notice of minimum thirty (30) days, or as otherwise specified by individual facility’s audit governance Refer to PolyOne Internet site – About Us > Locate Us http://www.polyone.com/en- us/Pages/default.aspx Who can answer questions about PolyOne conformance to various “Right-to-Know” legislation (such as California Proposition 65)? PolyOne management will decide any future considerations for ISO 14001 registration. 8.0 Credit References Please contact your customer service representative to request specific references and related information. 9.0 Sustainability and No Surprises Pledge View policies at www.polyone.com http://www.polyone.com/en-us/docs/Documents/PolyOne%20No%20Surprises%20Pledge.pdf

https://www.avient.com/news 4 Pro Forma for Acquisition of Avient Protective Materials business (APM) On September 1, 2022, the company acquired DSM’s Protective Materials business, the foundation of which is the renowned technology and globally admired brand of Dyneema®, the World’s Strongest Fiber™. https://www.avient.com/investors https://edge.media-server.com/mmc/p/a8tcrg4m https://www.avient.com/investors https://register.vevent.com/register/BI125445d5780d4c898d63ec3c1fa53045 https://www.avient.com/investors/events-presentations 5 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. 6 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.

https://www.avient.com/investors https://edge.media-server.com/mmc/p/fqwbh5zv https://www.avient.com/investors https://register.vevent.com/register/BI3f68f18c2b10416fa722221e3f01ea50 http://www.avient.com/investors/events-presentations 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. http://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. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com http://www.avient.com/news 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended September 30, Nine Months Ended September 30, 2022 2021 2022 2021 Sales $ 823.3 $ 818.0 $ 2,606.5 $ 2,508.5 Operating Income 40.6 52.8 242.9 229.6 Net (loss) income from continuing operations attributable to Avient shareholders (27.4) 33.7 99.8 143.3 Basic (loss) earnings per share from continuing operations attributable to Avient shareholders $ (0.30) $ 0.37 $ 1.09 $ 1.57 Diluted (loss) earnings per share from continuing operations attributable to Avient shareholders $ (0.30) $ 0.37 $ 1.08 $ 1.56 Senior management uses comparisons of adjusted net income attributable to Avient shareholders and diluted adjusted earnings per share (EPS) attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

subject= http:// http://avient.com Non ritorsione Avient non tollererà ritorsioni nei confronti di chi, in buona fede, chiede consiglio, solleva un dubbio, segnala cattive condotte o fornisce informazioni durante un’indagine su una sospetta violazione del codice di condotta. CODICE DI CONDOTTA | 17 IL NOSTRO CODICE INTEGRITÀ NELLA RESPONSABILITÀ 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 trading e informazioni privilegiate In Avient, potreste venire a conoscenza di informazioni sostanziali su Avient o su altre aziende con cui facciamo affari che non sono state divulgate al pubblico. subject= http://avient.com/sustainability https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 D: il mio supervisore mi ha chiesto di seguire una nuova procedura di smaltimento dei rifiuti ma non sono certo che sia sicura o addirittura legale.

Horká linka pro etiku https://www.Avient.com/company/policies-and- governance/ethics-hotline telefonu 1-877-228-5410 6 mailto:ethics.officer%40avient.com? subject= http://avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1. Francisco Nakasato, 1700 13295-000 Itrevea Sao Paulo, Brazílie Telefonní číslo: +55 11 4593 9200 Evropa Regionální centrála Pommer- loch, Lucembursko 19 Route de Bastogne Pommer- loch, Lucembursko, L-9638 Telefonní číslo: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com Rychlé rady: Antimonopolní zásady CO DĚLAT a CO NEDĚLAT Antimonopolní kontrolní seznam Ochrana před odvetou Hlášení možných porušení Závěr Oblasti potenciálně dotčené antimonopolní problematikou Porušení antimonopolních zákonů Een Overzicht van de Amerikaanse Přehled antimonopolních zákonů USA Přehled zásad Horká linka pro etiku společnosti Avient