Conformément à notre respect fondamental pour toutes les personnes, nous ne tolérons aucune forme de harcèlement sexuel. Conformément à notre respect fondamental pour toutes les personnes, nous ne tolérons aucune forme de harcèlement sexuel. De plus, à moins qu’une délégation en bonne et due forme ne soit en place, seuls les dirigeants de la société peuvent signer les contrats.

Avient Terms and Conditions of Purchase for Goods and/or Services These Terms and Conditions of Purchase for Goods and/or Services (“Terms of Purchase”) apply to and form an integral part of all requests for proposal, quotations and Purchase Orders. Definitions In this document, “Agreement” means the binding contract formed as described in clause 2. Avient’s approval of Supplier's material or design shall not relieve the Supplier of the warranties set forth herein. 5.4 In the event of a breach of Supplier’s warranties herein, in addition to Avient’s other remedies at law or in equity, Supplier shall, at Avient’s option, immediately either replace the quantity of Goods forming the basis for the breach or refund the purchase price therefore.

1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures, including adjustments related to contingent consideration; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non- recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures, including adjustments related to contingent consideration; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non- recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets.2 AVI ENT: WHO WE A RE 36 24 9 35 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 100+ manufacturing plants Key Financial Data 2023E Sales $3.45 billion 2023E EBITDA $530 million 2023E EPS $2.40 100% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 3 Guidance as of February 15, 2023 Webcast W H O W E A R E – V I S I O N , S T R AT E G Y, C U LT U R E 4 Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Entsprechend unserem fundamentalen Respekt für alle Individuen dulden wir keine Form von sexueller Belästigung. Bestechung und Schmiergelder Unter keinen Umständen ist es akzeptabel, eine Form von Bestechung, Schmiergeld oder Anreiz anzubieten, zu gewähren, anzunehmen oder zu verlangen. Aus diesem Grund verbieten wir jede Form von Kinderarbeit im Zusammenhang mit der Geschäftstätigkeit von Avient.

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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; • 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; • 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; • 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; • Any material adverse changes in the equity and assets of Koninklijke DSM N.V.’s protective materials business (“the Dyneema Business”); • Our ability to achieve the strategic and other objectives relating to the acquisition of the Dyneema Business and the possible sale of the Distribution business segment; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2021 and our Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2022 under Item 1A, “Risk Factors.”

Conformément à notre respect fondamental pour tous les individus, nous ne tolérons aucune forme de harcèlement sexuel. Corruption et commissions clandestines En aucun cas, il n’est acceptable d’offrir, de donner, d’accepter ou de solliciter une forme quelconque de pots- de-vin, de commissions clandestines ou de paiements incitatifs. À cette fin, nous interdisons l’utilisation de toute forme de travail des enfants dans le cadre des activités d’Avient.

Alle Bestellungen und Bestellungsannahmen bedürfen der Schriftform (einschließlich der elektronischen Form). Im Falle eines Mangels hat der Käufer das Recht auf Nacherfüllung in Form der Lieferung eines mangelfreien Produkts. Alle Bestellungen und Bestellungsannahmen bedürfen der Schriftform (einschließlich der elektronischen Form).