Microsoft PowerPoint - Avient Q4 Earnings and 2021 Outlook PRINT AVIENT CORPORATION F O U R T H Q U A R T E R 2 0 2 0 R E S U L T S A N D 2 0 2 1 F I N A N C I A L G U I D A N C E (NYSE: AVNT) F E B R U A R Y 9 , 2 0 2 1 D I S C L A I M E R 2 Forward-Looking Statements In this presentation, 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. Our free cash flow supports shareholder value creation through investing in R&D for organic growth, completing bolt-on acquisitions, and returning cash to shareholders via our dividend program and opportunistic share repurchases. 23 1.

Microsoft PowerPoint - AVNT Q2 2021 Earnings Presentation - Website AVIENT CORPORATION S E C O N D Q U A R T E R 2 0 2 1 R E S U L T S (NYSE: AVNT) J U L Y 3 0 , 2 0 2 1 D I S C L A I M E R 2 Forward-Looking Statements In this presentation, 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. Our free cash flow supports shareholder value creation through investing in R&D for organic growth, completing bolt-on acquisitions, and returning cash to shareholders via our dividend program and opportunistic share repurchases. 24 1.

We will build strong relationships with providers of leading-edge sustainable technologies. 25 35 45 55 R&D Spend U .S . These certifications are created and maintained via disciplined, sustainable processes that establish baseline expectations for our personnel, performance and remain evergreen. On a daily basis, plant personnel monitor our facilities via routine daily rounds.

We will build strong relationships with providers of leading-edge sustainable technologies. 25 35 45 55 R&D Spend U .S . These certifications are created and maintained via disciplined, sustainable processes that establish baseline expectations for our personnel, performance and remain evergreen. On a daily basis, plant personnel monitor our facilities via routine daily rounds.

Microsoft Word - Avient Announces Third Quarter 2024 Results 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Third Quarter 2024 Results • Third quarter sales increased 8% over the prior year quarter to $815 million supported by broad-based growth across all regions and most end markets • Third quarter GAAP EPS from continuing operations of $0.41 compared to $0.06 in the prior year quarter • Third quarter adjusted EPS of $0.65 exceeded guidance of $0.62 and increased 14% over prior year quarter, driven by organic revenue growth and margin expansion in both segments, as well as lower interest expense • 2024 full-year adjusted EPS guidance range narrowed to $2.63 to $2.67, from prior guidance range of $2.55 to $2.70; Revised guidance reflects 11% to 13% growth in adjusted EPS over the prior year • Increased dividend 5% to $1.08, on an annualized basis, representing the fourteenth consecutive annual increase CLEVELAND – 2024年10月31日 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, today announced its third quarter 2024 results. https://www.avient.com/investors https://edge.media-server.com/mmc/p/3u462yxq/ https://www.avient.com/investors https://register.vevent.com/register/BIfa0de3bdf9964987b4d7a1c21860e063 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. 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.

Microsoft Word - Compensation Committee Charter (REV 10-2019)3[1].docx AVIENT CORPORATION COMPENSATION COMMITTEE CHARTER Membership • The Committee will consist entirely of directors who meet the definition of “independent” as set forth in the Corporate Governance Standards of the New York Stock Exchange, including the additional independence requirements set forth in New York Stock Exchange Listed Company Manual Section 303A.02(a)(ii)

PIR content is derived from scrap reclaimed within the manufacturing process via skimmers and sieves.

Scope 1 and 2 carbon emissions can be reduced if sites are powered via renewable sources, such as wind or solar energy.

Microsoft PowerPoint - AVNT Q4 2021 Earnings Presentation (v17) - W PEERS x ESI AVIENT CORPORATION F O U R T H Q U A R T E R 2 0 2 1 R E S U L T S A N D 2 0 2 2 F I N A N C I A L G U I D A N C E (NYSE: AVNT) F E B R U A R Y 8 , 2 0 2 2 D I S C L A I M E R 2 Forward-Looking Statements In this presentation, 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. Our free cash flow supports shareholder value creation through investing in R&D for organic growth, completing bolt-on acquisitions, and returning cash to shareholders via our dividend program and opportunistic share repurchases. 27 1.

Il vostro supervisore o un qualsiasi manager Avient • Il Responsabile di etica aziendale via e-mail all’indirizzo ethics.officer@avient.com • Il Responsabile legale di Avient via e-mail all’indirizzo legal.officer@avient.com • Qualsiasi membro dell’Ufficio Legale • La linea di assistenza telefonica sull’etica Avient Linea di assistenza telefonica sull’etica Avient La Linea di assistenza telefonica sull’etica è disponibile a livello globale in oltre 20 lingue, 24 ore al giorno, 7 giorni alla settimana, per telefono e attraverso un sito Web. subject= http://avient.ethicspoint.com 5 Riferimento rapido: COSA SI PUÒ FARE E COSA NO, AI SENSI DELLE LEGGI ABAC COSA FARE • Sapere che Avient vieta qualsiasi forma di concussione e corruzione e non consente pagamenti agevolanti • Avere dimestichezza con gli aspetti rilevanti delle nostre Politiche ABAC e comunicarli ai subalterni e alle parti terze • Porre domande se le Politiche o le azioni da intraprendere non sono chiare • Segnalare tempestivamente violazioni, effettive o sospette, al vostro supervisore, all’Ufficio legale o alla Linea di assistenza telefonica sull’etica • Sapere che il “valore” non è necessariamente misurato in termini monetari • Sapere che le tangenti possono includere quanto segue: • Denaro e mezzi equivalenti (carte regali o voucher di regali) • Doni, intrattenimento e ospitalità che non hanno una chiara finalità commerciale o che vanno oltre le esigenze commerciali • Pagamento di spese di viaggio o vacanze • Pagare un funzionario pubblico per aggirare un requisito doganale applicabile o per accelerare un rimborso fiscale • Servizi, favori e prestiti personali • Offerte di lavoro o altri benefici a un familiare o un amico della persona influente • Contributi ai partiti politici e ai candidati • Donazioni di beneficenza e sponsorizzazioni • Altri elementi meno ovvi includono contributi in natura, opportunità di investimento e subappalti favorevoli o pilotati • Sapere che il divieto si applica nel caso tale bene vada a beneficio della persona direttamente o di un’altra persona, come un familiare, un amico o un socio in affari • Tenere libri, registri e conti in modo ragionevole e rendicontare accuratamente e correttamente le transazioni • Condurre la due diligence su agenti, distributori e altre terze parti prima dell’incarico e durante il rapporto e ottenere l’approvazione dell’Ufficio legale • Gestire correttamente e monitorare le attività commerciali condotte tramite terze parti COSA NON FARE • Offrire, promettere, pagare o autorizzare il pagamento di qualsiasi bene di valore a qualsiasi funzionario pubblico e/o dipendente del settore privato per aiutare Avient a ottenere o mantenere affari o assicurarsi qualche altro vantaggio commerciale improprio. Francisco Nakasato, 1700 13295-000 Itupeva San Paolo, Brasile Telefono: +55 11 4593 9200 Europa Sede regionale Pommerloch, Lussemburgo 19 Route de Bastogne Pommerloch, Lussemburgo, L-9638 Telefono: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com