Per Carlsson, Manufacturing and Operations CUSTOMER TESTIMONIALS Avient Corporation 71 50 90 0 20 40 60 80 100 2022 2030 Medical Plastics Market Size PRESERVE – TAKEAWAY Protecting Human Life and Enabling Connectivity Drives Growth Projections Examples Covered Today 56% Other Applications 44% 2022 $525M (in $ Bi lli on s) 8% CAGR 34% CAGR 5G Infrastructure Market Size 12 92 0 10 20 30 40 50 60 70 80 90 100 2023 2024 2025 2026 2027 2028 2029 2030 (in $ Bi lli on s) Source: Grand View Research Source: Global Data Summary Jamie Beggs Senior Vice President and Chief Financial Officer Avient Corporation 72 OUR SUSTAINABILITY REPORT Avient Corporation 73 Avient Corporation 74 2030 SUSTAINABILITY GOALS Avient Corporation 75 PERFORMANCE AND RECOGNITION 1 2 5 ESG Ratings Performance ESG Awards and Certifications top 13% 94th percentile Avient Corporation 76 SUSTAINABILITY INNOVATION AWARDS Ultra-Low Carbon Footprint TPE Innovation Award, Finalist: Plastics Industry Association PCR Colorants + Additives Sustainable Packaging Innovation, Finalist: U.S.

At this show, Avient will feature colorants and additives to enhance product performance and sustainability and highlight industry certifications and collaborations, including: Avient Sustainable Fiber Additives: include bluesign® SYSYEM PARTNER colorants and recycled fiber solutions with Global Recycle Standard (GRS) certifications, and biodegradable fiber solutions with EN13432 certifications. GRS 4.0 Standard Certification: is an international, voluntary, full-product standard that sets requirements for third-party certification of recycled content, chain of custody, social and environmental practices, and chemical restrictions.

Certain facilities have also received official certification to the ISO 14001 International Environmental Management System. At present, multiple Avient facilities hold ISO 14001 Certification. Global ISO Certificate Library

Our key development opportunities include nomination-based leadership programs (such as NextGen, Emerging Leaders and Elevate), foundational leadership training for all current or aspiring people managers, called Core Leadership, and LSS training at a variety of levels, where individuals can be certified for job-specific LSS programs, up through Master Black Belt certification. We are proud to share that our associates feel we are a Great Place to Work® and, in 2023, we received our fifth certification. The “People” metric considered both (1) the results of our 2023 Great Places to Work® employee engagement survey (and whether the results resulted in certification by Great Places to Work and an improvement over the prior year’s scores), and (2) the percentage of employees who participated in a safety activity during the year.

We are proud that our employees feel we are a Great Place to Work®, and in 2024, we received our sixth certification. Pursuant to the policy, any nominee for election as a Director of the Board who receives a greater number of votes “withheld” from his or her election than votes “for” his or her election in an election of Directors that is not a contested election is expected to tender his or her resignation as a Director to the Board promptly following the certification of the election results. The employee engagement metric considered the results of our 2024 Great Places to Work® employee engagement survey (and whether the results resulted in certification by Great Places to Work and an improvement over the prior year’s scores).

UL) is an independent product safety certification organization that has been testing products, developing testing protocols and writing safety standards for over a century.  CSA International is an independent product safety certification organization that helps achieve compliance with US and Canadian standards.  Global ISO Certificate Library

Latin America Manufacturing Certificate Bulletin (Portuguese) Latin America Manufacturing Certificate Bulletin (Spanish) Manufacturing certificate overview for plants in Latin America (Spanish language version)

Caption: Avient Corporation today announced the ISO 13485:2016 certification of its production site in Taoyuan, Taiwan (near Taipei). ISO 13485 certification is the culmination of two years’ work to create a completely segregated, dedicated healthcare operation similar to other MEVOPUR plants. The certification of this fourth MEVOPUR site provides further proof of our commitment to the healthcare industry and to helping our customers achieve their product safety requirements.”

We are proud to share that our associates feel we are a Great Place to Work® and, in 2022, we received our fourth certification and the highest scores in the history of our Company. m) “Evidence of Award” means an agreement, certificate, resolution or other type or form of writing or other evidence approved by the Compensation Committee that sets forth the terms and conditions of the awards granted under this Plan. Unless otherwise directed by the Compensation Committee, (i) all certificates representing shares of Restricted Stock will be held in custody by the Company until all restrictions thereon will have lapsed, together with a stock power or powers executed by the Participant in whose name such certificates are registered, endorsed in blank and covering such shares, or (ii) all shares of Restricted Stock will be held at the Company’s transfer agent in book entry form with appropriate restrictions relating to the transfer of such shares of Restricted Stock.

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