We are strongly committed to safety as evidenced by our record-low injury incidence rate of 0.51 per 100 full-time workers per year in 2018 and 0.69 in 2017. We elected to recognize the resulting tax on the global intangible low-taxed income (GILTI) as a period expense in the period the tax is incurred. We elected to recognize the resulting tax on the global intangible low-taxed income (GILTI) as a period expense in the period the tax is incurred.

In 2024, we had our safest year ever with a record low recordable incident rate. We determined the number of shares to be granted each quarter by dividing the applicable dollar value by the arithmetic average of the high and low stock price on the last trading day of the applicable quarter and rounding to a whole share as partial shares are not issued. COMPENSATION DISCUSSION AND ANALYSIS PROXY STATEMENT 2025 | Annual Meeting of Shareholders 43 2024 Company highlights include: • Full-year sales grew 3% to $3.24 billion, compared to $3.14 billion in 2023, which translates to 4% sales growth if the impact of foreign exchange is excluded; • Full-year GAAP earnings per share ("EPS") from continuing operations of $1.84 in 2024, compared to $0.83 in 2023, an increase of 122%; • Adjusted EPS increased 13% to $2.66 in 2024, compared to adjusted EPS of $2.36 in 2023(1); • Increased our dividend on an annualized basis by 5% to $1.08; the 14th consecutive year of annual increase; • Our safest year ever, with a record low recordable incident rate; • Certified again as an ACC Responsible Care® organization for outstanding environmental, health, safety and security performance; and • Received our 6th consecutive certification as a Great Place to Work® by the Great Place to Work Institute. (1) Adjusted EPS is a financial measure that is not presented in accordance with generally accepted accounting principles ("GAAP").

We determined the number of shares to be granted each quarter by dividing the applicable dollar value by the arithmetic average of the high and low stock price on the last trading day of each quarter and rounding to a whole share as partial shares are not issued. The main objectives of our executive compensation programs are to: Attract, motivate and help retain a highly qualified and successful management team to lead PolyOne in setting and effectively executing upon our strategic goals and objectives; Foster a pay-for-performance culture by rewarding the achievement of specified strategic operating and financial objectives that maximize shareholder value; and POL Potential misalignment: Low performance/ high pay Potential misalignment: High performance/ low pay COMPENSATION DISCUSSION AND ANALYSIS Help ensure our goals and objectives are aligned with the interests of our shareholders by recognizing and rewarding business results and the growth of our stock price through incentive programs.

What made our performance particularly rewarding was that we delivered in the midst of an unforeseen U.S. recession, a 50-year low in housing starts, and an extremely challenging economic environment throughout much of Europe. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES The following table sets forth the range of the high and low sale prices for our common shares, $0.01 par value per share, as reported by the New York Stock Exchange, where the shares are traded under the symbol “POL,” for the periods indicated: 2012 Quarters 2011 Quarters Common share price: Fourth Third Second First Fourth Third Second First High $21.00 $17.53 $14.85 $15.48 $12.25 $16.61 $15.51 $14.98 Low $15.72 $13.65 $12.39 $11.58 $ 9.54 $ 9.96 $12.81 $12.42 As of January 18, 2013, there were 2,097 holders of record of our common shares. Volume declines of 13.3% were associated with the slowdown in the global economy and elimination of certain low margin customer accounts.

We believe that we are in material compliance with all applicable requirements. 6 AVIENT CORPORATION We are strongly committed to safety as evidenced by our low injury incidence rate of 0.58 per 100 full-time workers per year in 2023 and 0.51 in 2022. The international and global equity common collective funds have broadly diversified investments across economic sectors and focus on low volatility, long-term investments. We recognize tax on global intangible low-taxed income (GILTI) and the deduction of foreign-derived intangible income (FDII) as a period expense in the period in which the tax is incurred.

We are strongly committed to safety as evidenced by our low injury incidence rate of 0.51 per 100 full-time workers per year in 2022 and 0.55 in 2021. We recognize the resulting tax on global intangible low-taxed income (GILTI) and the deduction of foreign-derived intangible income (FDII) as a period expense in the period in which the tax is incurred. The international and global equity common collective funds have broadly diversified investments across economic sectors and focus on low volatility, long-term investments.

We are strongly committed to safety as evidenced by our low injury incidence rate of 0.55 per 100 full-time workers per year in 2021 and 0.5 in 2020. We recognize the resulting tax on global intangible low-taxed income (GILTI) and the deduction of foreign-derived intangible income (FDII) as a period expense in the period in which the tax is incurred. The international and global equity common collective funds have broadly diversified investments across economic sectors and focus on low volatility, 55 AVIENT CORPORATION long-term investments.

MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES The following table sets forth the range of the high and low sale prices for our common shares, $0.01 par value per share, as reported by the New York Stock Exchange, where the shares are traded under the symbol “POL,” for the periods indicated: 2016 Quarters 2015 Quarters Common share price: Fourth Third Second First Fourth Third Second First High $ 34.68 $ 38.34 $ 38.41 $ 31.30 $ 36.24 $ 39.89 $ 41.20 $ 40.72 Low $ 28.77 $ 31.25 $ 29.74 $ 22.35 $ 28.97 $ 29.09 $ 36.33 $ 34.41 As of February 1, 2017, there were 2,010 holders of record of our common shares. The international and global equity common collective funds have broadly diversified investments across economic sectors and focus on low volatility, long-term investments.

MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES The following table sets forth the range of the high and low sale prices for our common shares, $0.01 par value per share, as reported by the New York Stock Exchange, where the shares are traded under the symbol “POL,” for the periods indicated: 2011 Quarters 2010 Quarters Fourth Third Second First Fourth Third Second First Common share price: High $12.25 $16.61 $15.51 $14.98 $13.99 $12.59 $11.89 $10.65 Low $ 9.54 $ 9.96 $12.81 $12.42 $11.58 $ 7.38 $ 8.38 $ 6.93 As of February 10, 2012, there were 2,237 holders of record of our common shares. Organic sales declined 1.8% as improved mix and increases in market pricing associated with raw material inflation were more than offset by volume declines associated with the slowdown in the global economy and elimination of certain low margin customer accounts.

MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES The following table sets forth the range of the high and low sale prices for our common shares, $0.01 par value per share, as reported by the New York Stock Exchange, where the shares are traded under the symbol “POL,” for the periods indicated: 2015 Quarters 2014 Quarters Common share price: Fourth Third Second First Fourth Third Second First High $36.24 $39.89 $41.20 $40.72 $39.28 $43.34 $42.47 $38.38 Low $28.97 $29.09 $36.33 $34.41 $32.01 $34.78 $36.02 $32.81 As of February 1, 2016, there were 2,110 holders of record of our common shares.