Purpose Innovator of materials solutions to help our customers succeed, while enabling a sustainable world Strategic Approach Intersecting high growth markets and secular trends with our technologies to create product platforms of scale Foundational Strengths Strategic Drivers Unwavering customer focus Global reach with a local touch Diverse technology portfolio Commercial excellence, financial rigor & prudence Culture of safety and sustainability Catalyze the core Build new platforms of scale Portfolio prioritization Amplify Innovation Digital for operational excellence & growth Leadership, talent and culture for the Avient of the future Growing at GDP+ Growing at 10% plus CAGR Our Purpose and Strategic Framework Dear Avient Shareholders, 2024 was a positive year for Avient where our primary focus was on organic revenue growth and margin expansion. THIS PAGE IS NOT PART OF AVIENT’S FORM 10-K FILING THIS PAGE IS NOT PART OF POLYONE’S FORM 10-K FILINGTHIS PAGE IS NOT PART OF POLYONE’S FORM 10-K FILINGTHIS PAGE IS NOT PART OF AVIENT’S FORM 10-K FILING Reconciliation of Non-GAAP Financial Measures (Unaudited) (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. Environmental, Health and Safety 4.

They are fully bio-compatible per ISO 10993 standards to provide ultra-high-heat resistance and performance without compromising safety.  About Avient  Avient Announces Quarterly Dividend...

Avient provides traditional and customizable material solutions for common and specialty medical tubing uses. Medical-grade thermoplastic elastomers that meet various regulatory requirements, such as ISO 10993 and USP Class VI

1/2 IATF 16949 - First Edition (The official document is in English. Any translations of this document shall be used for reference only.) Any translations of this document shall be used for reference only.)

Date Of Certification: 11 December 2024 Date Of Expiration: 10 December 2027 IATF Certificate N°: 0558656 Bureau Veritas Certification Certificate No: FR094003 - IATF Revision: 1 For Bureau Veritas Certification Holding, Tour ALTO, 4 place des saisons, 92400 COURBEVOIE – France (The official document is in English. Any translations of this document shall be used for reference only.) 1/2 Certificate of Approval AWARDED TO PolyOne France Tossiat Route de la vavrette, 01250, Tossiat - France IATF USI: LWZS4P Bureau Veritas Certification certify that the Quality Management System of the above organisation has been audited and found to be in accordance with the requirements of IATF 16949 - FIRST EDITION and the applicable customer specific requirements SCOPE Design and manufacturing PERMITTED EXCLUSION(S) None PRODUCT(S) DELIVERED colour with additive concentrates for thermoplastic resins and speciality compounds obtained by mixing and extrusion https://e-cer.bureauveritas.com/68LJQE0ZV0CO6I7YW0YSXOUMV9WWROQPHPI2AOHRRLFFVRAVTFVZGXKWIE3TOWLTTKEWCPQB9UNAPXHH6T0HXOMUEDVYPRPJLEXBBTKQYPBRICYOKY143TECQ5UMHGA3JX Date Of Certification: 11 December 2024 Date Of Expiration: 10 December 2027 IATF Certificate N°: 0558656 Bureau Veritas Certification Certificate No: FR094003 - IATF Revision: 1 For Bureau Veritas Certification Holding, Tour ALTO, 4 place des saisons, 92400 COURBEVOIE – France (The official document is in English. Any translations of this document shall be used for reference only.) 2/2 Appendix to the Certificate of Approval AWARDED TO PolyOne France Tossiat Route de la vavrette, 01250, Tossiat - France IATF USI: LWZS4P REMOTE SUPPORT FUNCTION(S) NAME ADDRESS SCOPE AVIENT LUXEMBOURG 19, Route de bastogne, 9638, Pommerloch - Luxembourg IATF USI: GAZS9A Purchasing, Logistics, Supplier Management PolyOne Europe Logistics 7 Rue bleriot, 4460, Grace-Hollogne - Belgium IATF USI: P4WA4Y Warehousing Polyone Poland Ul. wschdnia 6, 99-300, Kutno - Poland IATF USI: C4W5ZL Logistics https://e-cer.bureauveritas.com/68LJQE0ZV0CO6I7YW0YSXOUMV9WWROQPHPI2AOHRRLFFVRAVTFVZGXKWIE3TOWLTTKEWCPQB9UNAPXHH6T0HXOMUEDVYPRPJLEXBBTKQYPBRICYOKY143TECQ5UMHGA3JX 2024-12-13T10:07:11+0100 Authenticity and Integrity

www.avient.com Copyright © 2024, Avient Corporation. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

PRODUCT BULLETIN VERSAFLEX™ GP 2810-40N AM VERSAFLEX™ CE 3120-65* AM ONFLEX™ LO 7120-45 AM Applications Personal care grips Consumer packaging Consumer electronics Charging stations HVAC seals Cup holder mats Color Natural Natural Natural Durometer, Shore A 45 66 45 Specific Gravity (kg/m3) 0.87 1.14 1.13 Tensile Strength (PSI) 650 1200 585 Elongation % 700 600 685 Modulus @ 300% |(PSI) 260 585 300 Injection Moldable Yes Yes Yes OM Substrate PP PC, ABS, PC/ABS, COPE PP TECHNICAL PROPERTIES *UL listing does not apply; testing can be completed if required by the customer Copyright © 2021, Avient Corporation. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

CC_Score_Report_2021 ACTIVITY GROUP PERFORMANCE Trading, wholesale, distribution, rental & leasing Your company is amongst 49% of companies that reached Management level in your Activity Group A sample of A-list companies from your Activity Group: Grupo Logista Hyundai Glovis Co Ltd Avient received a B which is in the Management band. Leadership (A/A-): Implementing current best practices Management (B/B-): Taking coordinated action on climate issues Awareness (C/C-): Knowledge of impacts on, and of, climate issues Disclosure (D/D-): Transparent about climate issues UNDERSTANDING YOUR SCORE REPORT Avient Region North America Country United States of America Questionnaire Chemicals Activity Group Trading, wholesale, distribution, rental & leasing The CDP Score Report allows companies to understand their score and indicate which categories require attention to reach higher scoring levels. To find out more about category weightings for each sector, please download the ‘CDP Scoring Categories and Weighting’ documents.

Users shall store any personal files, notes, pictures, and emails in a separate and clearly identifiable folder labelled “PERSONAL EMAIL” or “PERSONAL FILES” such that Personal Data is always separate and readily distinguishable within Information Systems from Avient Data or otherwise Confidential Data. By using Avient’s Information Systems, Users acknowledge the potential auditing, interception, or disclosure of data contained on or passing through Information Systems. Global ISO Certificate Library

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...