Buyer acknowledges that Seller has furnished to Buyer Safety Data Sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product.

 Strong past performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion 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 16 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 17 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 attributable to Avient common shareholders and diluted adjusted earnings per share (EPS) attributable to Avient common shareholders, excluding special items, to assess performance and facilitate comparability of results.

VERHALTENSKODEX | 17 UNSER EHRLICHKEIT BEI INTEGRITÄT IN SOZIALE VERANTWORTUNG 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 Insiderinformationen und- handel Es kann sein, dass Sie bei Avient Kenntnis von erheblichen Informationen mit Bezug zu Avient oder zu einem Unternehmen, mit dem wir in Geschäftsbeziehung stehen, erhalten, die nicht der Allgemeinheit gegenüber offengelegt wurden. VERHALTENSKODEX | 21 UNSER EHRLICHKEIT BEI INTEGRITÄT IN SOZIALE VERANTWORTUNG https://www.avient.com/company/policies-and-governance/global-policy-anti-bribery-and-anti-corruption https://www.avient.com/company/policies-and-governance/global-policy-anti-bribery-and-anti-corruption Beauftragte und Berater Wir müssen gewährleisten, dass Beauftragte, Berater und sonstige Stellvertreter, die im Namen von Avient handeln, keine Bestechungszahlungen oder Kickbacks anbieten oder erhalten oder sich an einem sonstigen illegalen oder unethischen Verhalten beteiligen. VERHALTENSKODEX | 27 UNSER EHRLICHKEIT BEI INTEGRITÄT IN SOZIALE VERANTWORTUNG http://Avient.com/sustainability https://www.avient.com/company/sustainability/sustainability-report https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 F: Mein Vorgesetzter bat mich, ein neues Abfallentsorgungsverfahren zu befolgen, aber ich bin nicht sicher, dass es sicher oder überhaupt legal ist.

https://www.avient.com/products/polymer-additives/processing-enhancement-additives/colorant-chromatics-pvdf-processing-aids Slide 1: Wire & cable oem

https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-combination-colorants-additives Slide 1: Consumer packaged goods company

https://www.avient.com/products/polymer-additives/processing-enhancement-additives/cesa-stat-antistatic-additives Slide 1: Flexible packaging company

http://www.abs-qe.com/cert_validation PolyOne Corporation has been assessed by ABS Quality Evaluations,Inc. and found to be in conformance with the requirements set forth by: Certificate No: 55287

http://www.abs-qe.com/cert_validation PolyOne Corporation has been assessed by ABSQuality Evaluations,Inc. and found to be in conformance with the requirements set forth by: Certificate No: 55421

http://www.abs-qe.com/cert_validation