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

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

Reporting 2020* Reportable Releases (above permitted limits)

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.

The payout was earned based on the Company’s adjusted EPS performance over four equally-weighted performance periods as noted below. 2020–2022 Cash-Settled Performance Units Performance Measure: Adjusted EPS Performance Periods Weighting Target Result Payout % January 1, 2020 – December 31, 2020 25% $1.83 $1.90 158% January 1, 2021 – December 31, 2021 25% $1.98 $3.05 200% January 1, 2022 – December 31, 2022 25% $1.89 $2.93 200% January 1, 2020 – December 31, 2022 25% $5.70 $7.88 200% Total Attainment 189% Adjusted EPS (threshold, target and maximum levels, and results) with respect to the incentives described above was calculated with adjustments for acquisitions, divestitures and special items pursuant to the PROXY SUMMARY 10 PROXY STATEMENT 2023 | Annual Meeting of Shareholders terms of the 2020-2022 long-term incentive program (the “2020-2022 Long-Term Incentive Program”) and as approved by the Compensation Committee. Performance Period Weighting January 1, 2022 through December 31, 2022 25% January 1, 2023 through December 31, 2023 25% January 1, 2024 through December 31, 2024 25% January 1, 2022 through December 31, 2024 25% The attainment level for the cash-settled performance units will be certified at the end of the total three- year performance period. COMPENSATION DISCUSSION AND ANALYSIS 70 PROXY STATEMENT 2023 | Annual Meeting of Shareholders 2020 – 2022 Cash-Settled Performance Units—Performance Measure: Adjusted EPS* Performance Periods Weighting Threshold Target Maximum Result Payout % January 1, 2020 – December 31, 2020 25% $1.76 $1.83 $1.96 $1.90 158% January 1, 2021 – December 31, 2021 25% $1.83 $1.98 $2.27 $3.05 200% January 1, 2022 – December 31, 2022 25% $1.66 $1.89 $2.36 $2.93 200% January 1, 2020 – December 31, 2022 25% $5.25 $5.70 $6.59 $7.88 200% Total Attainment 189% * All financial measures (performance measures and results) reported in the table above were calculated with adjustments for acquisitions, divestitures and special items (as noted on Appendix A) pursuant to the terms of the program and as approved by the Compensation Committee.

Senior Vice President and Chief Financial Officer, May 2008 to January 2011. Senior Vice President, Commercial Development, May 2006 to January 2010. The market approach is used to estimate fair value by applying sales and earnings multiples (derived from comparable publicly- traded companies with similar investment characteristics of the reporting unit) to the reporting unit’s operating performance.

January 5, 2024 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

January 6, 2023 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

Event Type: Earnings Conference Call Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More