Option Exercise Price ($) (e) Option Expiration Date (f) Market Value of Shares or Units of Stock That Have Not Vested ($) (h) Equity Incentive Plan Awards: Market or Payout Value of Unearned Shares, Units or Other Rights that Have Not Vested ($) (j) - - 14,650 (1) 465,284 - - - 25,724 (2) 816,994 - - - 8,384 (3) 266,276 - - - 24,306 (4) 771,959 - - - - 25,724 (9) 816,994 - - - 50,991 (10) 1,619,474 - - - 50,991 (10) 1,619,474 30,500 (12) 14.81 2/16/2021 - - 48,800 (13) 14.61 2/14/2022 - - 20,467 (14) 10,233 (14) 23.08 2/15/2023 - - 6,834 (15) 6,833 (15) 6,833 (15) 35.07 2/11/2024 - - 66,700 (16) 38.27 2/4/2025 - - - - 20,490 (5) 650,762 - - - 7,157 (3) 227,306 - - - 6,788 (4) 215,587 - 5,800 (15) 5,800 (15) 5,800 (15) 35.07 2/11/2024 - - 18,700 (16) 38.27 2/4/2025 - - - - 64,981 (1) 2,063,797 - - - 102,877 (6) 3,267,374 - - - 37,201 (3) 1,181,504 - 91,334 (14) 45,666 (14) 23.08 2/15/2023 - - 30,334 (15) 30,333 (15) 30,333 (15) 35.07 2/11/2024 - - - - 6,504 (1) 206,567 - - - 4,294 (3) 136,377 - - - 25,551 (7) 811,500 - - - 4,052 (4) 128,692 - - - - 25,551 (11) 811,500 9,134 (14) 4,566 (14) 23.08 2/15/2023 - - 3,467 (15) 3,467 (15) 3,466 (15) 35.07 2/11/2024 - - - 11,200 (16) 38.27 2/4/2025 - - - - 6,504 (1) 206,567 - - - 3,579 (3) 113,669 - - - 3,446 (4) 109,445 - 23,300 (13) 14.61 2/14/2022 - - 9,134 (14) 4,566 (14) 23.08 2/15/2023 - - 2,900 (15) 2,900 (15) 2,900 (15) 35.07 2/11/2024 - - 9,300 (16) 38.27 2/4/2025 - - - - 2,769 (8) 87,943 - - - 2,567 (8) 81,528 - - - 1,316 (8) 41,796 - - - 261 (8) 8,289 -- - -- -J.A.

More active tracking will be initiated in 2025. Assumptions made in use of the Net Zero Emissions (NZE) 2050 scenario include anticipated policy results achieved in the short term to long-term time horizon affecting the electricity and heat, industry, buildings, transport and other sectors across the period of 2025 to 2050. Assumptions made in use of the Announced Pledges Scenario (APS) includes anticipated policy results achieved in different regions in the short term to long-term time horizon affecting the power, industry, buildings, transport and other sectors across the period of 2025 to 2050.

Feb 17, 2025

Feb 17, 2025

Feb 07, 2025

Feb 07, 2025

Outstanding Equity Att wards at 2016 Fiscal Year-End Option Exercise Price ($) ((e)) Option Expiration Date ((f))ff Market Value of Shares or Units of Stock That Have Not Vested ($) ((h)) Equity Incentivtt e Plan Awards: Market or Payout Value of Unearned Shares, Units ot r Othertt Rights ttt hatt t Have Not Vested ($) ((jj)) - - 8,510 (1) 272,660 - - - 24,671 (2) 790,459 - - - 35,272 (3) 1,130,115 - - - - 51,756 (6) 1,658,262 - - - 51,756 (6) 1,658,262 30,500 (8) 14.81 2/16/2021 - - 48,800 (9) 14.61 2/14/2022 - - 30,700 (10) 23.08 2//15//2023 - - 13,667 (11) 6,833 (11) 35.07 2//11//2024 - - 66,700 (12) 38.27 2//4//2025 - - 105,200 (13) 24.98 2/10/2026 - - - 7,266 (1) 232,803 - - - 6,892 (2) 220,820 - 8,426 (3) 269,969 - 11,600 (11) 5,800 (11) 35.07 2/11/2024 - 18,700 (12) 38.27 2//4//2025 - - 25,150 (13) 24.98 2//10//2026 - - - - 4,360 (1) 139,694 - - - 25,935 (4) 830,957 - - - 4,114 (2) 131,813 - - - 5,026 (3) 161,033 - - - - 25,935 (7) 830,957 13,700 (10) 23.08 2/15/2023 - - 6,934 (11) 3,466 (11) 35.07 2/11/2024 - - 11,200 (12) 38.27 2/4/2025 - - 15,000 (13) 24.98 2//10//2026 - - - - 3,222 (1) 103,233 - - - 2,593 (5) 83,080 - - - 3,395 (2) 108,776 - - - 4,316 (3) 138,285 5,200 (11) 2,600 (11) 35.07 2/11/2024 - - 9,200 (12) 38.27 2/4/2025 - - 12,900 (13) 24.98 2//10//2026 - - - - 3,634 (1) 116,433 - 3,500 (2) 112,140 - 4,569 (3) 146,391 - 23,300 (9) 14.61 2//14//2022 - - 13,700 (10) 23.08 2/15/2023 - 5,800 (11) 2,900 (11) 35.07 2/11/2024 - - 9,300 (12) 38.27 2/4/2025 - 13,550 (13) 24.98 2//10//2026 - - 37,760 (1) 1,209,830 - 137,000 (10) 23.08 2//15//2023 - 60,667 (11) 30,333 (11) 35.07 2/11/2024 - - - - S.D.

Garratt 2/11/2019 — — — — 6,227 348,401 — — 2/10/2020 — — — — 6,596 369,046 — — 2/08/2021 — — — — 5,142 287,695 — — 2/04/2015 9,200 — 38.27 2/4/2025 — — — — 2/15/2017 13,250 — 34.10 2/15/2027 — — — — 2/14/2018 11,050 — 41.89 2/14/2028 — — — — 2/11/2019 12,133 6,067 31.54 2/11/2029 — — — — 2/10/2020 6,550 13,100 31.48 2/10/2030 — — — — 2/08/2021 — 20,150 42.27 2/8/2031 — — — — L.K. Rathbun 2/11/2019 — — — — 5,904 330,329 — — 2/10/2020 — — — — 6,441 360,374 — — 2/08/2021 — — — — 5,142 287,695 — — 2/11/2014 2,400 — 35.07 2/11/2024 — — — — 2/04/2015 2,500 — 38.27 2/4/2025 — — — — 2/10/2016 10,400 — 24.98 2/10/2026 — — — — 2/15/2017 10,100 — 34.10 2/15/2027 — — — — 2/14/2018 10,400 — 41.89 2/14/2028 — — — — 2/11/2019 11,433 5,717 31.54 2/11/2029 — — — — 2/10/2020 6,400 12,800 31.48 2/10/2030 — — — — 2/08/2021 — 20,150 42.27 2/8/2031 — — — — (1) Amounts in these columns represent stock-settled SARs that vest in one-third increments, with each one-third increment vesting on the later of (a) the first, second and third anniversary of the grant date, respectively and (b) the achievement of a stock price hurdle (based on Avientʼs closing stock price and sustained for thirty consecutive trading days) applicable to that increment.

Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31: Pension Benefits Health Care Benefits 2015 2014 2013 2015 2014 2013 Discount rate* 3.88% 4.83% 4.12% 3.75% 4.38% 3.71% Expected long-term return on plan assets* 6.87% 6.86% 8.41% —% —% —% Assumed health care cost trend rates at December 31: Health care cost trend rate assumed for next year N/A N/A N/A 6.88% 7.02% 7.39% Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) N/A N/A N/A 4.50% 4.50% 4.63% Year that the rate reaches the ultimate trend rate N/A N/A N/A 2027 2027 2025 *The mark-to-market component of net periodic costs is determined based on discount rates as of year end and actual asset returns during the year. The estimated future benefit payments for our pension and health care plans are as follows: (In millions) Pension Benefits Health Care Benefits 2016 $ 39.8 $ 1.2 2017 39.2 1.2 2018 39.1 1.2 2019 38.3 1.1 2020 38.3 1.0 2021 through 2025 180.8 4.3 We currently estimate that 2016 employer contributions will be $24.6 million to all qualified and non- qualified pension plans and $1.2 million to all healthcare benefit plans. POLYONE CORPORATION 69 Components of our deferred tax assets (liabilities) as of December 31, 2015 and 2014 were as follows: (In millions) 2015 2014 Deferred tax assets: Pension and other post-retirement benefits $ 29.7 $ 39.1 Employment costs 34.7 47.2 Environmental reserves 45.8 46.5 Net operating loss carryforwards 33.3 42.0 Foreign tax credit carryforwards 37.4 8.7 Other, net 22. 3 21.9 Gross deferred tax assets $ 203.2 $ 205.4 Valuation allowances (19.3) (23.6) Total deferred tax assets, net of valuation allowances $ 183.9 $ 181.8 Deferred tax liabilities: Tax and book basis differences associated with property, plant and equipment $ (60.3) $ (76.9) Tax and book basis differences associated with intangibles (135.8) (135.2) Other, net (7.2) (9.1) Total deferred tax liabilities $ (203.3) $ (221.2) Net deferred tax liabilities $ (19.4) $ (39.4) As of December 31, 2015, the Company had $37.4 million of U.S. foreign tax credit carryforwards that expire between 2016 and 2025.

The payment date will be a date in 2025 determined by the Compensation Committee (or its authorized delegate), which will occur no later than March 15, 2025. Garratt 2/10/2020 — — — — — 6,764 228,353 — — 2/08/2021 — — — — — 5,274 178,050 — — 2/14/2022 — — — — — 4,667 157,558 — — 2/04/2015 9,200 — — 38.27 2/4/2025 — — — — 2/15/2017 13,250 — — 34.10 2/15/2027 — — — — 2/14/2018 11,050 — — 41.89 2/14/2028 — — — — 2/11/2019 18,200 — — 31.54 2/11/2029 — — — — 2/10/2020 13,100 6,550 — 31.48 2/10/2030 — — — — 2/08/2021 6,716 13,434 — 42.27 2/08/2031 — — — — 2/14/2022 — — 16,000 52.64 2/14/2032 — — — — L.K. Rathbun 2/10/2020 — — — — — 6,605 222,985 — — 2/08/2021 — — — — — 5,274 178,050 — — 2/14/2022 — — — — — 4,667 157,558 — — 2/11/2014 2,400 — — 35.07 2/11/2024 — — — — 2/04/2015 2,500 — — 38.27 2/4/2025 — — — — 2/10/2016 10,400 — — 24.98 2/10/2026 — — — — 2/15/2017 10,100 — — 34.10 2/15/2027 — — — — 2/14/2018 10,400 — — 41.89 2/14/2028 — — — — 2/11/2019 17,150 — — 31.54 2/11/2029 — — — — 2/10/2020 12,800 6,400 — 31.48 2/10/2030 — — — — 2/08/2021 6,716 13,434 — 42.27 2/08/2031 — — — — 2/14/2022 — — 16,000 52.64 2/14/2032 — — — — (1) Amounts in these columns represent stock-settled SARs that vest in one-third increments, with each one-third increment vesting on the later of (a) the first, second and third anniversary of the grant date, respectively and (b) the achievement of a stock price hurdle (based on Avient’s closing stock price and sustained for thirty consecutive trading days) applicable to that increment.