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Jefferies and Company, Inc. Avient Company Officers Investor Contacts

The company reported first quarter sales of $829.0 million compared to $845.7 million in the prior year quarter. The question and answer session will follow the company’s presentation and prepared remarks. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 5 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

With the increase in sales experienced so far, the company is increasing its adjusted EPS expectation to The company anticipates it will end the year with approximately Investor Contacts

Ranked as one of America’s Most Responsible Companies by Newsweek, 100 Most Sustainable Companies by Barron’s, and recognized on the USA Today’s America’s Climate Leaders List Made strong progress in reducing company’s Scope 1 & 2 GHG emissions, reaching nearly 50% reduction in 2023 vs. 2019

The company will then host a conference call at The company adds value to global customers and improves sustainability through formulating materials, such as: Investor Contacts

Media contact Jennifer Huang Marketing Communications Manager, Asia PolyOne Corporation +86 21 50802923 jennifer.huang@avient.com Media Relations Contacts Company Officers

Media contact Media Relations Contacts Company Officers

Media contact Peter Bredenkamp Marketing Communications Specialist PolyOne ColorMatrix +44(0)7794 006170 peter.bredenkamp@avient.com Media Relations Contacts Company Officers

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