Examples include: • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

which impacted Color, Additives and Inks (Color) and Specialty Engineered Materials (SEM), and a decline in construction related sales, which primarily impacted Performance Products and Solutions (PPS) in Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation

Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 8,800 associates and is certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste.

Thermoplastic composites include base resins, but are combined with a structural element such as glass, carbon or polymer fibers to enhance strength, rigidity and structure. Polymer formulations and structures have advantages over metals, wood, rubber, glass and other traditional materials, which have resulted in the replacement of these materials across a wide spectrum of applications. Continuous development drives associates to reach their full potential and we strive to fill at least half of all open manager roles and higher with internal promotions.

With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 20 Avient reflects 2021 estimated EBITDA of $560M O U R VA LUATI O N V E R S U S P E E R S Avient Specialty Formulators Other Chemical/Specialty Companies 10.2 17.7 16.0 14.9 14.6 11.6 11.1 26.7 24.0 22.8 14.3 12.7 11.5 11.2 11.1 11.0 10.3 10.1 9.5 9.4 8.3 7.0 A vi e n t K W R A V Y R P M P P G G C P F U L A L B H X L E C L IF F F M C B N R A S H G R A F O E S C L E M N U N V R C E K R A H U N Median: 11.1xMedian: 14.8x S U M M A RY: W H Y I N V E S T I N AV I E N T ?

Various techniques as appropriate to the situation but generally including: Correlation & regression analysis, pareto charting, fish-bone diagrams, Pp/Ppk/Cpk analysis, Control Charting, Statistical Studies of uncertainty in test results due to process, sampling and test variability (R&R), Uncertainty budgeting, Round-robin testing of control samples, proficiency testing, DFMEA & FMEA, Control plans, Process mapping & value stream mapping, Lean Six Sigma techniques, 5S, Formal Vendor Evaluation programs, tracking of vendor performance, vendor audits, customer visits, customer surveys, customer focus groups, etc. 6.

Edgetek™ BIO Natural Filled Formulations PP Inhaler Roll Cap

In October, we divested our PP&S segment which consisted predominately of the legacy Geon® vinyl business for $775 million.

With the Clariant Color business acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 24 Avient reflects 2021 estimated EBITDA of $580M O U R VA LUATI O N V E R S U S P E E R S Avient Specialty Formulators Other Chemical/Specialty Companies 11.0 18.3 16.3 15.4 14.5 11.6 11.1 36.2 28.0 24.9 13.0 11.5 11.3 10.0 9.2 8.8 7.7 6.7 A vi e n t K W R P P G A V Y R P M F U L G C P A L B H X L E C L A S H F M C B N R S C L U N V R E M N C E H U N S U M M A RY: W H Y I N V E S T I N AV I E N T ?

Continuous development drives associates to reach their full potential and we strive to fill at least half of all open manager roles and higher with internal promotions. Khandpur to fill the vacancy created by the retirement of former Chairman, President and Chief Executive Officer Robert M. CORPORATE GOVERNANCE 28 PROXY STATEMENT 2024 | Annual Meeting of Shareholders BOARD LEADERSHIP STRUCTURE Pursuant to our Corporate Governance Guidelines, the Board selects the Chairman of the Board and Chief Executive Officer and determines from time to time whether the positions are to be combined and filled by one person or separated and filled by two persons.