Increased data and transparency in key ESG areas, such as environmental data, safety performance and employee demographics

Strong past performance demonstrates that our  strategy and execution are workinggy g • Megatrends align with our strengths • Innovation and services provide differentiation  and competitive advantage • Strong and proven management team driving  growth and performancegrowth and performance The New PolyOne: A Specialty Growth Company $2015 Target: $2.50 Adjusted EPS Page 16 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.

Specialty Engineered Materials END MARKETS REGIONS 17% 14%13% Defense Packaging Telecom 54% 33% US & Canada Europe, Middle East Energy Copyright © . 2025 22 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 23 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.

Design and Safety At the same time, manufacturers also need to consider product safety and regulatory compliance. Overview of how Avient serves wire & cable customers, highlighting both power and data cables technologies

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Leading-edge, fire safety performance solutions for your applications. Overview of how Avient serves wire & cable customers, highlighting both power and data cables technologies

Occupational Safety & Health These safety engagement activities can range from submitting a safety suggestion, identifying a hazard, to leading a safety meeting or helping a customer with a safety issue. These programs incorporate improvements to safety leadership, behavioral safety, various safety suggestion mechanisms, internal and external audit systems, and measurable performance indicators.

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Static charges that build up on the surface of plastic products can attract dust and dirt, cause sheet and film to cling, and cause stacked products to stick together.   This static build-up can cause the resulting parts, film, or sheet to cling to one another or stick to the mold or tool. Overview of how Avient serves wire & cable customers, highlighting both power and data cables technologies

Overview of how Avient serves wire & cable customers, highlighting both power and data cables technologies Solid and liquid CFA solutions for sheet/profile extrusion CFAs for WPC Sheet and Decking