executive director, Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com; or Media: Kyle G.

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

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include 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; the current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows including without any limitation, any supply chain and logistics issues; the speed and strength of growth in the global 5G infrastructure market; our ability to achieve the strategic and other objectives relating to the acquisition of Clariant's Masterbatch business, including any expected synergies; changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; fluctuations in raw material prices, quality and supply, and in energy prices and supply; 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; an inability to achieve the anticipated financial benefit from initiatives related to acquisition and integration working capital reductions, cost reductions and employee productivity goals; our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; information systems failures and cyberattacks; our ability to consummate and successfully integrate acquisitions; and 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.

McAlindon Senior Vice President, President of Designed Structures and Solutions Fernando Sanchez Global Director of Marketing Global Color and Additives Craig M. Patricia Hubbard Global Technical Director Specialty Engineered Materials PolyOne Corporation Page 6 Agenda Time Topic Presenter 8:00-8:15 AM Welcome and Introduction Robert M. Patricia Hubbard Director Global Technology NEU™ View Medical Devices & Catheters 5) Sustainable Solutions Michael A.

Esta Política es de aplicación para Avient y sus filiales, incluidos todos los directores, empleados y agentes u otros terceros que actúen en nombre de Avient. Para los fines de las leyes contra el soborno, los funcionarios gubernamentales incluyen a: • Directores y empleados de un gobierno (federal, estatal o local), departamento o agencia • Cualquier persona que actúe con carácter oficial para algún gobierno, departamento o agencia, o en nombre de este/a. • Partidos políticos, funcionarios de partidos políticos y candidatos a puestos públicos. • Funcionarios y empleados de empresas del gobierno/ estatales empresas comerciales gubernamentales/ estatales, incluidas las entidades bajo propiedad parcial Índice 3 • Directores y empleados de organizaciones públicas internacionales como Naciones Unidas. Puede hacerse responsable a Avient como empresa y a los empleados y directores individuales por pagos inapropiados realizados por un agente u otro intermediario si existe conocimiento real o razones para saber que se pagará un soborno.

The term “Control” means the holding of 50% or more of the common voting stock or ordinary shares in such entity or any other comparable equity or interest with respect to such entity, the right to appoint or discharge more than 50% of the directors, the right to share in more than 50% of the profits of such entity, or the possession of sufficient authority to direct or cause the direction of management of such entity. Indemnification and Liability 13.1 Supplier will indemnify, defend, and hold harmless Avient, its officers, directors, employees, agents, successors, assigns, customers and other vendors, and their respective present and future directors, officers, employees and agents from and against all liabilities, damages, claims, losses, costs, fees, expenses, penalties and injuries of any kind or nature (including court costs and reasonable attorneys’ and experts’ fees), arising out of or resulting in any way from: 1) Any breach by Supplier or a Supplier contractor/agent of any representation, warranty or obligation under the Agreement; 2) Any product liability and/or Avient Terms and Conditions of Purchase for Goods and/or Services product safety issue(s) related to the Goods; 3) Personal injury or death related to the Goods and/or Services hereunder; 3) Any loss or damage to property attributable to the Goods or Services; 4) Any negligent act, omission or willful misconduct of Supplier or a or Supplier contractor/agent; and 5) The failure of Supplier’s Goods or Services to comply with all international, state, federal and local laws, rules and regulations. This indemnification shall be in addition to the warranty obligations of Supplier. 13.2 As to all Goods supplied hereunder, Supplier will indemnify, defend, and hold harmless Avient and its officers, directors, employees, agents, successors, assigns, customers and other vendors, and their respective present and future directors, officers, employees and agents from and against any and all liabilities, claims, losses actions, damages, costs, fees, expenses, penalties and injuries of any kind or nature (including court costs and reasonable attorneys’ and experts’ fees) arising out of any third party claim that as-shipped by Supplier, such Goods infringe any patent, copyright or other intellectual property right of another person in the country of delivery. 13.3 Supplier is fully liable for the correct and timely payment of all taxes and levies indebted in connection to the performance of the Agreement and will indemnify Avient against all claims and damages relating to its obligations concerning taxes, contributions and any claims of third parties, including the applicable government of the country at issue. 13.4 Supplier shall indemnify Avient for any costs, duties, fees, taxes, losses, and damages, including court costs and reasonable attorneys' and experts' fees, which may be incurred by Avient for any actual or alleged violation of the U.S. customs laws with respect to the Goods. 13.5 In no event shall Avient have liability or indemnity obligations to Supplier for indirect, consequential, special, exemplary, punitive or moral damages. 14.

Board of Directors

McAlindon Senior Vice President, President of Designed Structures and Solutions Fernando Sanchez Global Director of Marketing Global Color and Additives Craig M. Patricia Hubbard Global Technical Director Specialty Engineered Materials PolyOne Corporation Page 6 Agenda Time Topic Presenter 8:00-8:15 AM Welcome and Introduction Robert M. Patricia Hubbard Director Global Technology NEU™ View Medical Devices & Catheters 5) Sustainable Solutions Michael A.

This technology offers manufacturing efficiencies versus other crosslinking methods: • Reduction in logistics management: No secondary steps after manufacturing; no need for E-beam radiation for effective crosslinking • Rapid ambient curing: Typically in less than 15 days depending on the climatic condition, wall thickness and catalyst level • No additional capital investment: The material can be processed on a conventional extrusion line • Easy handling: ECCOH XL 8001 is used with 2.5–5% of catalyst masterbatch • No pre-drying: No need to pre-dry the material if it is stored correctly PRODUCT BULLETIN KEY CHARACTERISTICS Avient’s ECCOH line of highly flame retardant, non-halogenated materials limits the emission of corrosive gases when burning.

In this Code, “Avient associates” includes Avient associates, directors, agents, consultants and contractors across all Avient subsidiaries. Any waiver of this Code for executive officers or directors may be made only by the board of directors or a board committee. You are expected to report any threatening or potentially violent situations, including any concerns for your personal safety, to a Director of Human Resources or security immediately.