Platform operating income mix percentage 2005Y* 2006* 2008Y* 2010Y* 2013Y Global Specialty Engineered Materials $ 0.4 $ 3.9 $ 17.6 $ 49.7 $ 57.2 Global Color, Additives and Inks 4.3 8.9 28.1 37.7 104.0 Designed Structures and Solutions - - - - 33.4 Specialty Platform $ 4.7 $ 12.8 $ 45.7 $ 87.4 $ 194.6 Performance Products and Solutions 75.7 64.2 31.3 54.0 56.0 Distribution 19.5 19.2 28.1 42.0 63.3 SunBelt Joint venture 91.9 102.9 28.6 18.9 - Corporate (51.5) 34.5 (425.1) (27.7) (82.4) Operating income (loss) GAAP $ 140.3 $ 233.6 $ (291.4) $ 174.6 $ 231.5 Less: Corporate operating expense 51.5 (34.5) 425.1 27.7 82.4 Operating income excluding Corporate $ 191.8 $ 199.1 $ 133.7 $ 202.3 $ 313.9 Specialty platform operating mix percentage 2% 6% 34% 43% 62% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. Reconciliation to Condensed Consolidated Balance Sheets 2013 Short-term debt and current portion of long-term debt $ 12.7 Long-term debt 976.2 Less cash and cash equivalents (365.2) Net debt $ 623.7 Adjusted EBITDA 2013 Income before income taxes $ 151.0 Interest expense, net 63.5 Depreciation and amortization 108.8 Special items in EBITDA 31.7 Adjusted EBITDA $ 355.0 2 Platform sales and operating income (OI) 2006Y* 2013Y Global Specialty Engineered Materials sales $ 345.3 $ 615.5 Global Color, Additives and Inks sales 531.8 852.3 Designed Structures and Solutions sales - 597.4 Specialty Platform sales 877.1 2,065.2 Performance Products and Solutions sales 1,166.2 773.2 PolyOne Distribution sales 732.8 1,075.2 Corporate and eliminations (153.7) (142.4) Total sales $ 2,622.4 $ 3,771.2 Global Specialty Engineered Materials OI $ 3.9 $ 57.2 Global Color, Additives and Inks OI 8.9 104.0 Designed Structures & Solutions OI - 33.4 Specialty Platform OI 12.8 194.6 Performance Products and Solutions OI 64.2 56.0 PolyOne Distribution OI 19.2 63.3 Sunbelt Joint Venture OI 102.9 - Corporate and eliminations (4.6) (52.4) Special items in OI 39.1 (30.0) Operating income GAAP 233.6 231.5 Sunbelt equity income (107.0) - Special items in OI (39.1) 30.0 Adjusted operating income $ 87.5 $ 261.5 Global Specialty Engineered Materials - OI % of sales 1.1% 9.3% Global Color, Additives and Inks - OI % of sales 1.7% 12.2% Designed Structures & Solutions - OI % of sales - 5.6% Specialty platform OI - % of sales 1.5% 9.4% PP&S operating OI - % of sales 5.5% 7.2% Distribution OI - % of sales 2.6% 5.9% PolyOne OI adjusted - % of sales 3.3% 6.9% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. Appendix At a Glance�Global Specialty Engineered Materials At a Glance�Global Color, Additives, and Inks At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Establish Lean Six Sigma As Way of Life Application Examples Slide Number 24 2012 Range Rover Evoque Interior Slide Number 26 Slide Number 27 Metal Replacement Solutions High-Barrier Packaging Containers Aerospace Applications Sidoti Reconciliation of Non-GAAP.pdf Section 1

PREPERM materials are used in a wide range of industries Whether you operate in the field of telecom and 5G, automotive or industrial radars, or satellite communications, we have a solution for you. Copyright © 2022, Avient Corporation. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

Copyright © 2020, Avient Corporation. MAJOR AUTOMOTIVE OEM R O O F R A C K • Impact resistance • UV stability over time • Color match to specific black color • Developed a supply chain agreement to ensure reliable supply and mitigate risk • Provided just-in-time delivery to help the customer keep working capital low and maximize warehouse space • Provided a product that supports sustainability to potentially enhance the marketplace appeal of the customer’s end product Nymax™ REC Recycled Nylon Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION IMPACT + UV STABILITY LEARN MORE Copyright © 2024, Avient Corporation.

Accordingly, our revised full-year guidance for adjusted EBITDA is now $515 million to $540 million, from our previous range of $510 million to $535 million. Our revised range for adjusted EPS is between $2.55 to $2.70, from our previous range of $2.50 to $2.65." Examples include: • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

Questa politica si applica ad Avient e alle sue controllate, inclusi tutti i funzionari, dipendenti, agenti e altre terze parti che agiscono per conto di Avient. Gli esempi includono, a titolo esemplificativo ma non esaustivo: • Contributi in natura • Opportunità di investimento • Posizioni in joint venture • Subappalti favorevoli o pilotati 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. Lavorare con agenti, distributori e altre terze parti Avient a volte può avvalersi di un agente, un distributore, un consulente o di un altro intermediario per sostenere le sue attività d’impresa, o può partecipare con i business partner in una joint venture o in altra struttura d’impresa.

Voorbeelden omvatten, maar zijn niet beperkt tot: • bijdragen in natura; • beleggingskansen; • posities in joint ventures; • gunstige of gestuurde subcontracten. Werken met vertegenwoordigers, distributeurs en andere derden Avient kan van tijd tot tijd een vertegenwoordiger, distributeur, consulent of andere tussenpersoon gebruiken om z’n bedrijfsactiviteiten te ondersteunen, of kan samen met zakelijke partners een joint venture of andere bedrijfsstructuur aangaan. Rode vlaggen Avient kan ook aansprakelijk worden gesteld volgens ABAC- wetgeving voor de acties van onze vertegenwoordigers en andere derden (inclusief joint venture-partners).

Globalna polityka przeciwdziałania łapownictwu i korupcji Avient Data wydania: 1 lipca 2020 r. Przykłady: • darowizny rzeczowe, • możliwości inwestycyjne, • stanowiska w spółkach joint venture, • zatrudnianie podwykonawców na warunkach innych niż rynkowe. Praca z agentami, dystrybutorami i innymi podmiotami zewnętrznymi Od czasu do czasu firma Avient może wykorzystywać agentów, dystrybutorów, konsultantów i innych pośredników w celu wspierania swojej działalności lub może współpracować z partnerami biznesowymi w ramach spółek joint venture bądź innych struktur biznesowych.

Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

Diese Richtlinie gilt für Avient und seine verbundenen Unternehmen, einschließlich aller Führungskräfte, Mitarbeiter, Vertreter und sonstigen Drittparteien, die im Namen von Avient handeln. Dies gilt beispielsweise für: • Sachleistungen • Anlagemöglichkeiten • Positionen in Joint-Ventures • vorteilhafte oder gelenkte Unterverträge Das Verbot gilt unabhängig davon, ob der Vorteil der betreffenden Person direkt oder einer anderen Person verschafft wird, wie z. Zusammenarbeit mit Vertretern, Vertriebspartnern und anderen Drittparteien Von Zeit zu Zeit kann Avient die Leistungen eines Vertreters, Vertriebspartners, Beraters oder eines anderen Vermittlers zur Unterstützung seiner geschäftlichen Aktivitäten in Anspruch nehmen oder sich zusammen mit Geschäftspartnern an einem Joint Venture oder einer anderen Geschäftsstruktur beteiligen.

Case Study Learn about Avient's urethane paste colorants (PEP & ET) Case Study (Snapshot)