QUALITY POLICY At Avient, we collaborate with customers to provide specialized and sustainable solutions, accepting material science challenges that can enable a circular economy and meet the needs of the present without compromising future generations to do the same. • We listen - To customers’ needs to deliver unique, innovative solutions • We do it right - The first time to provide defect-free materials • We deliver - A consistent product on time Our commitment to continuous improvement and operational excellence drives our actions and decision-making – all with the goal of making Avient the preferred provider of specialized materials, services, and solutions to customers around the world.

November 1, 2022 Nov. 1, 2022 Forward-looking statements give current expectations or forecasts of future events and are not guarantees of future performance.

Avient reported organic revenue growth of 1% year over year for the second quarter and expanded adjusted EBITDA margins 30 bps to 17.2%.  Forward-looking statements give current expectations or forecasts of future events and are not guarantees of future performance. Any forward-looking statement speaks only as of the date on which such statement is made, and we undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise.

Forward-looking statements give current expectations or forecasts of future events and are not guarantees of future performance. Investor Relations Contact: Joe Di Salvo, Vice President, Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

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