Strong past performance demonstrates that our strategy and execution are working • Megatrends align with our strengths • Innovation and services provide differentiation and competitive advantage • Strong and proven management team driving growth and performance • Addressable market exceeds $40 billion The New PolyOne: A Specialty Growth Company 2015 Target: $2.50 Adjusted EPS Page 14 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S.

PRIOR YEAR $790 $710 2022 2023 $107 $112 2022 2023 Sales Adjusted EBITDA $0.42 $0.47 2022 PF 2023 Adjusted EPS - 10% + 5% + 12% Sales Adjusted EBITDA Adjusted EPS 12 $112 $500 $0.47 $2.30 Q4 AND FULL YEAR 2023 GUIDANCE $710 $3,130 Sales Adjusted EBITDA Adjusted EPS 13 (in millions) (in millions) Guidance: Free Cash Flow $180 $180 Prior Guidance Guidance FREE CASH FLOW & INCREASED DIVIDEND 13th Consecutive Dividend Increase 0.16 0.26 0.42 0.58 0.79 0.85 0.99 1.03 2011 2013 2015 2017 2019 2021 2023 2024 14 S U S TAI NABI L I T Y DAY RE CAP SUSTAINABILITY AS A GROWTH DRIVERLONG-TERM REVENUE GROWTH DRIVERS 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other (GDP Growth) Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other (GDP growth) 0–2% Avient 6% 17 SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 8-12% Long Term Growth 50 90 2022 2030 Medical Plastics Market Size (in $Billions) 2020 2030 Recycled Plastics Virgin Plastics Growing Demand for Recycled Content Avient Sustainable Solutions 18 46 2023 2032 Global Offshore Annual Wind Installations (in Gigawatts) Sources: McKinsey, Bloomberg, Grand View Research SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 18 • Transformative acquisitions combined with divestitures of more cyclical businesses have improved margins over 400 bps since 2018 • 20% long-term margin goal to be driven by key growth drivers, with sustainable solutions playing a meaningful role 5.4% 11.5% 16.0% 2006 2018 2023E Recovery Growth Drivers Strategic Objective 20%+ +1%+ +3%+ ADJUSTED EBITDA MARGIN EXPANSION 19 • 6% annualized long-term sales growth leveraging sustainable solutions, composites, healthcare, and emerging regions • Expand EBITDA margins to 20% • Deliver annual EBITDA and EPS growth of 10% and 15% • Maintain asset-light, 80% free cash flow conversion profile and be valued as a specialty formulator • Continue fostering our Great Place to Work® culture CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 20 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Specialty Engineered Materials END MARKETS REGIONS 17% 14%13% Defense Packaging Telecom 54% 33% US & Canada Europe, Middle East Energy Copyright © . 2025 26 Avient 2024 regional sales, by end market US & CANADA 41% of sales EMEA 35% of sales ASIA 18% of sales LATIN AMERICA 6% of sales 22% Packaging TelecomEnergyDefenseHealthcareBuilding & TransportationIndustrialConsumer 26% 16% 31% 26% 1%1% 2% 61% Copyright © . 2025 27 NON-HYDROCARBON MATERIALS HYDROCARBON-BASED ~35% of the raw material basket including part of “Other raw materials” are hydrocarbon-based Raw material basket 16% 4% 4% Performance additives Pigments TiO2 Dyestuffs Styrenic block copolymers Polypropylene Nylon Polyethylene Other raw materials Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

The Compensation Committee reviews market data for director compensation to ensure that the Company’s director compensation is reasonable and competitive in relation to similar companies.

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

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

Etikai forródrót https://www.Avient.com/company/policies-and- governance/ethics-hotline Telefonon: 1-877-228-5410 7 mailto:%20ethics.officer%40avient.com%20? 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 Itupeva São Paulo, Brazília Telefonszám: +55 11 4593 9200 Európa Regionális Központ Pommerloch, Luxemburg 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 Telefonszám: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com Gyors hivatkozás: Mit TEGYEN és mit NE TEGYEN a trösztellenes területen Trösztellenes ellenőrzőlista Megtorlással szembeni védelem Az irányelv lehetséges megsértéseinek jelentése Következtetés Trösztellenes szempontból potenciálisan aggályos területek A trösztellenes szabályok megsértése Az USA trösztellenes jogszabályainak áttekintése A szabályzat áttekintése Avient etikai forródrót

Горячая линия по вопросам этики компании https://www.Avient.com/company/policies-and- governance/ethics-hotline телефону 1-877-228-5410 7 mailto:ethics.officer%40avient.com%20%20? 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. Поммерлох, Люксем- бург 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 Телефон: +352 269 050 35 Факс: +352 269 050 45 www.avient.com http://www.avient.com Краткий справочник: Что следует и не следует делать в рамках антимонопольной политики Контрольный список по соблюдению требований антимонопольного законодательства Защита от преследований Фиксация возможных нарушений Заключение Потенциальные проблемные области в сфере антимонопольного законодательства Нарушения антимонопольного законодательства Общий обзор Антимонопольного законодательства США Общие сведения о политике Горячая линия по вопросам этики компании Avient

$37.5B projected global colorants market size by 2025** 84.7% of consumers cite colors as the primary reason they buy a particular product* U S D © 2020 Avient, All Rights Reserved To learn more about polymer colorants and how you can improve your current color strategy, visit avientdistribution.com or call +1.844.4AVIENT https://www.avientdistribution.com/

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