Defining key criteria and guidelines for sustainability and safety of plastic packaging

Polyvinyl chloride (PVC) plasticizers, such as dioctyl phthalate (DOP), should not be used as carriers.

Read more about how automotive aftermarket parts are making the switch from metal to plastic by using long fiber thermoplastics

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  Our ability to realize anticipated savings and operational benefits from the realignment of assets, including the planned closure of certain manufacturing facilities;  The timing of closings and shifts of production to new facilities related to asset realignments and any unforeseen loss of customers and/or disruptions of service or quality caused by such closings and/or production shifts;  Separation and severance amounts that differ from original estimates and amounts for non-cash charges related to asset write-offs and accelerated depreciation realignments of property, plant and equipment, that differ from original estimates;  Our ability to identify and evaluate acquisition targets and consummate acquisitions;  The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies and retain relationships with customers of acquired companies including, without limitation, Spartech Corporation and Accella Performance Materials;  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 financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks;  Changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic materials in jurisdictions where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online in the industries in which we participate;  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 or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions and employee productivity goals;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  Our ability to continue to pay regular quarterly cash dividends and the amounts and timing of any future dividends;  The amount and timing of repurchases of our common shares, if any;  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise.

Attendance and Participation Our Annual Meeting will be conducted on the internet via live webcast. Board Practices • Our Board annually conducts an evaluation of its performance, which includes a peer evaluation of each Director PROXY STATEMENT 2025 | Annual Meeting of Shareholders 30 Code of Ethics, Code of Conduct and Corporate Governance Guidelines In accordance with applicable NYSE listing standards and SEC regulations, the Board has adopted a Code of Ethics, Code of Conduct and Corporate Governance Guidelines.

Como empresa de American Chemistry Council Responsible Care® y miembro fundador de Alliance to End Plastic Waste estamos aún más comprometidos a través de nuestra emblemática No Surprises PledgeSM (Promesa sin sorpresa) y nuestra Promesa de sostenibilidad. Specialization Globalization Operational Excellence Commercial Excellence Associates 3 Nuestro Código de conducta 4 Pautas de conducts ética El Código de conducta de Avient (“Código”) es una guía para la conducta empresarial: su finalidad es ayudar a garantizar que se protegen nuestros valores y se mantiene y mejora la reputación de Avient. Como empresa de American Chemistry Council Responsible Care® y miembro fundador de Alliance to End Plastic Waste, nos comprometemos además a través de nuestra No Surprises PledgeSM (Promesa sin sorpresas) y nuestra Promesa de sostenibilidad, y defendemos estos principios realizando nuestras actividades conforme a los valores personales de integridad, honestidad y respeto.

Plastic Piping System Flapper Valve - Case Study

Polyvinyl chloride (PVC) plasticizers, such as dioctyl phthalate (DOP), should not be used as carriers.

General Policy: The Board of Directors of Avient Corporation (the “Company”) has determined, consistent with the Company’s Code of Conduct, that it is the Company’s policy to comply with all applicable federal and state securities laws, including those relating to buying or selling securities of the Company. In the course of conducting the Company’s business, employees or representatives of the Company or any of its affiliates may become aware of material, non-public information regarding the Company, its subsidiaries and divisions, or other companies with which we do business (this so-called “Inside Information” is defined in Section 3 below).

You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.