Fourth quarter and full year GAAP earnings per share (EPS) were $0.30 and $0.83, compared to $(0.19) and $0.90 from continuing operations in the prior year, respectively. We delivered year-over-year earnings growth, much of which came from margin improvement in Europe and prudent cost control by our teams. https://www.avient.com/news-events https://www.avient.com/ 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

Reporting Third Party Verification of Climate Change Score Report 2024 Climate Change Score Report 2023

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. Big or small, we earn customers, and we keep them. In 2021, we expect substantial earnings growth and strong cash flow generation as we emerge from the COVID-19 pandemic.

EH&S Governing/Reporting This role reports directly to the CEO. Chemical Release Reporting

January 2, 2018 In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. 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

Echevarria, vice president, Global Sourcing, will lead the company in its sourcing initiatives, reporting directly to Robert M. Echevarria earned a bachelor’s of science in managerial economics and marketing from Bentley University in Waltham, Massachusetts and a master’s of business administration from the University of Chicago, Booth School of Business in Chicago, Illinois.

The non-GAAP financial measures include: Adjusted Earnings Per Share, Net Debt / Adjusted EBITDA, and Adjusted EBITDA. Unless otherwise stated, Adjusted EBITDA figures included in this presentation exclude the impact of special items as defined in our quarterly earnings releases. Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,135 2016 2018 2020 2023 $51 $84 $212 $645 2016 2018 2020 2023 $108 $113 $231 $230 2016 2018 2020 2023 $265 $358 $726 $725 2016 2018 2020 2023 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 Adjusted EPS TOP -T IE R S US TAINABIL IT Y P E RF ORM ANCE AND RE COGNIT ION Industry Sustainability Standards ESG Ratings Performance 1 2 4 87th 94th percentile 5 Avient CDP Score: A- F E B R U A R Y 1 4 , 2 0 2 4 W E B C A S T P R E S E N T AT I O N DR.

The company reported third quarter sales of Earnings (loss) per share attributable to Diluted earnings per common share impact

Update: • Approximately 90% of Avient’s products met this criteria in 2020 Update: • 39% of our top suppliers have been assessed through the end of 2020. Learn more about our approaches to accomplishing these commitments throughout this report.