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News Release - AVNT-2021.12.31-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Fourth Quarter and Full Year 2021 Results Financial Performance • Fourth quarter and full year sales increased 21% to $1.2 billion and 27% to $4.8 billion, respectively • Fourth quarter and full year GAAP EPS of $0.32 and $2.51 compared to $0.81 and $1.46 in the prior year • Fourth quarter and full year adjusted EPS increased 12% to $0.58 and 58% to $3.05, respectively • Initiates 2022 guidance of $5.1 billion in sales and $3.50 in adjusted EPS Milestone Achievements • Increased dividend on an annualized basis by 12% to $0.95; the 11th year in a row of an annual increase • Increased EBITDA contribution from Clariant acquisition from $133 to $205 million and reduced net debt to adjusted EBITDA to 2.2x, one year ahead of schedule • Joined the United Nations Global Compact, recognized as one of America’s Most Responsible Companies by Newsweek, and earned the company's third consecutive Great Place to Work® certification. The company noted that GAAP EPS includes special items (Attachment 3), which impacted EPS in 2021 and 2020. 2 “I am extremely pleased to finish the year with another record quarter and report the highest level of annual adjusted earnings we have ever achieved,” said Robert M. In addition, a recording of the audio will be available for one week, beginning at 11:00 a.m.

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