Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • Disruptions or inefficiencies in our supply chain, logistics, or operations; • Changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Demand for our products and services; • Production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including the implementation of a cloud-based enterprise resource planning system, S/4HANA; • Other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation, geopolitical conflicts and any recessionary conditions; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2023, under Item 1A, “Risk Factors.” • New growth opportunities in prefabricated / modular construction - driven by lightweighting, waste reduction, and energy efficiency • Avient differentiation is with operational velocity, manufacturing capability and added functionality with flame retardancy vital to this space $20B ADDRESSABLE MARKET Ballistic-resistant Composite lumber reinforcement Functional panels - interiors and exteriors Fire-retardant thermoplastic panels Copyright © . 2024 49 • Increasing electrification demands, expanding grid • Established Avient portfolio in electrical infrastructure • Demand driven by aging electrical infrastructure and grid hardening incentives (e.g. 170 million wood poles over 50 years old in North America) • Creating opportunities in all infrastructure components • Avient differentiation is with operational velocity, manufacturing capability and added functionality with flame retardancy, UV resistance etc Top line growth with EBITDA margin expansion Building the Avient of the future Incentive plans aligned to strategy ...building upon our foundational strengths Copyright © . 2024 56 ….while enabling a sustainable world Enabling customers to advance the circular economy Solutions to increase recycled content and minimize plastic waste Shrinking carbon footprint and decreasing emissions Solutions to reduce weight and energy consumption Making our planet a better place for all Solutions to preserve and protect natural resources and human life ENABLERS AND OUTCOMES Copyright © . 2024 57 ...and doing our part INDUSTRY SUSTAINABILITY STANDARDS ESG * RATINGS PERFORMANCE 17th INDUSTRY SUSTAINABILITY STANDARDS ESG * RATINGS PERFORMANCE 17th Copyright © . 2024 58 GDP + 1.

Cesa™ Nox Additives Cesa Nox antioxidant solutions help plastics maintain shine and transparency while preventing yellowing, surface cracking, and odors often caused by oxidation and heat aging.

CAUSE AND EFFECT DIAGRAM Methods Machines Materials Manpower energy saving during SBM Maintenance instructions Operating instructions Operator Job spec NIR Lamps SBM Type/Design vPET reheat content vPET formulation rPET blend/quality Temperature recording Temperature measurement probe External temperature Inappropriate Manual Training New Alignment Same Throughput Too many tasks Time conflict Age/intensity variable Set up conditions Configuration - When starting to process a new resin, first run through new preforms for 15 minutes at ‘standard’ conditions to establish steady state conditions prior to any process optimization - Slowly start to reduce preform blowing temperatures until failures are present (visible pearl internal wall or pearl feet) - Increase blowing temperatures until defects are eliminated - QC check bottle quality for acceptance versus established tolerances - Change the power consumption profile in the ovens for early heat and longer sink times but ensure overall temperatures do not exceed cold crystallization temperature - Repeat temperature reduction stage and then defect elimination stage to test if further optimization is possible - Recheck QC bottle quality for acceptance versus established tolerances - Log all process parameters and create new specific ‘recipe’ for future use

Fearon Age: 60 Director Since: 2004 Lead Director of our Board since May 14, 2015. Patterson Age: 43 Director Since: 2014 President and Chief Executive Officer of PolyOne since May 2014. Since our transformation began in 2006, our earnings per share has grown at a compounded annual growth rate of 36%.

The tool will increase the upcycling of PCR and will help to achieve pledged PCR usage rates. This represents an 87% participation rate in the CSR survey. Workforce Health & Safety (1) Total recordable incident rate (TRIR) and (2) fatality rate for (a) direct employees and (b) contract employees RT-CH-320a.1 1.

Of those collected, 81% of the suppliers reported an EcoVadis medal rating in their overall scorecard evaluation.

Manufactured continuously, at a much higher rate than standard filament winding

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