Las year we broke ground on a new manufacturing and R facility in Chuzhou, China, in the Anhui province.

La Mirada, California 7. La Porte, Texas 8. La Porte, Indiana (38 Manufacturing Plants) (1) Facility is not included in manufacturing plants total as it is also included as part of another segment. (2) There are two manufacturing plants located at Suzhou, China. (3) Facility is not included in manufacturing plants total as it is a design center/lab. (4) There are two manufacturing plants located at Shanghai, China 13POLYONE CORPORATION 14 ITEM 3.

Lin’s extensive senior executive experience, including as a Chief Executive Offiff cer, leading glob la businesses in multiple industries provides her with valuab ele skills to serve on our Board. 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.

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.

Feb 18, 2025

Läs vår globala policy för affärsutgifter som finns tillgänglig på The Loop, under People & Departments, Ethics & Corporate Policies. Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brasilien Telefon: +55 11 4593 9200 Europa Regionalt huvudkontor Pommerloch, Luxemburg 19 Route de Bastogne Pommerloch, Luxemburg, L-9638 Telefon: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com Bekräftelse om efterlevnad av avients uppförandekod Instruktioner: Läs, underteckna och återsänd detta dokument till personalavdelningen.

Feb 10, 2025

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. We delivered record results in 2021 against a backdrop of unprecedented challenges, including the ongoing pandemic, substantial raw material inflation, supply chain disruptions, and la...

Louvain-La-Nueve, Belgium 49. La Porte, Texas 7. La Porte, Indiana 30.

Feb 10, 2025