Outstanding Equity Att wards at 2016 Fiscal Year-End Exercise Price ((e)) 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. Nikrant - - - - -- - - - - - -2 900 35 07 2/11/2024 - -- Shares or Units ot f Stock That Have Not Vested ((gg)) Options (#) Unexercisable ((c)) Options (#) Exercisable ((b)) - - - -- - 3 500 112 140 - - - -- - 4 569 146 391 Equity Incentivtt e Plan Awards: Unearned Options ((d)) Equity Incentivtt e Plan Awards: Unearned Shares, Units ot r Othertt Rights ttt hatt t Have Not Vested ((i)) Option Awards - 105 200 - - - ((a)) Stock Awards J.V. Patterson has remained in continuous employment with the Company, then the remaining 50,000 performance shares shall become non-forff feitable and fully vested on May 15, 2024.

The payment date will be a date in 2024 determined by the Compensation Committee (or its authorized delegate), which will occur no later than March 15, 2024. 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. Patterson has remained in continuous employment with the Company, then the remaining 50,000 performance shares shall become non-forfeitable and fully vested on May 15, 2024.

Per Carlsson, Manufacturing and Operations Avient Corporation 71 80 2022 2030 Medical Plastics Market Size PRESERVE – TAKEAWAY Protecting Human Life and Enabling Connectivity Drives Growth Projections Examples Covered 56% Other Applications 44% 2022 $525M (in $ Bi lli s) 8% CAGR 34% CAGR 5G Infrastructure Market Size 12 92 10 70 80 2023 2024 2025 2026 2027 2028 2029 2030 (in $ Bi lli s) Source: Grand View Research Source: Global Data Summary Senior Vice President and Chief Financial Officer Avient Corporation 72 OUR SUSTAINABILITY REPORT Avient Corporation 73 Avient Corporation 74 2030 SUSTAINABILITY GOALS Avient Corporation 75 PERFORMANCE AND RECOGNITION 1 2 5 ESG Ratings Performance ESG Awards and Certifications top 13% 94th percentile Avient Corporation 76 SUSTAINABILITY INNOVATION AWARDS Ultra-Low Carbon Footprint TPE Innovation Award, Finalist: PCR Colorants + Additives Sustainable Packaging Innovation, Finalist: U.S.

Conditions générales de vente (1er décembre 2024)

Modalités et conditions (1er novembre 2024)

10/01/2024, 04:45 pm Avient 2024 CDP Corporate Questionnaire 2024 Word version Important: this export excludes unanswered questions This document is an export of your organization’s CDP questionnaire response. Terms of disclosure for corporate questionnaire 2024 - CDP . Avient plans to assess 75% of suppliers for sustainability alignment in 2024.

Terms and Conditions (1 April 2024) 2024أبریل 1(الشروط والأحكام(

For fatty foods and over 8% alcohol; conditions D–G) Dynaflex™ G2780C 84A Translucent PE 0.9 (Aqueous foods; Versaflex™ FFC 2882-50 50A Translucent PP 0.9 (Aqueous foods; EU 10/2011 N/A FFC 2882-70 70A Translucent PP 0.88 (Aqueous foods; EU FFC 2882-87 87A Translucent PP 0.88 (Aqueous foods; EU FFC 3882-70 70A Natural PETG, ABS, PC 1.1 (Aqueous foods; EU OM 9100 Series 30–50A Translucent PC/ABS 0.9 FDA 177.1210 N/A N/A Copyright © 2024, Avient Corporation.

The amendments in ASU 2020-04 are effective through December 31, 2022; however, ASU 2022-06, Reference Rate Reform: Deferral of the Sunset Date of Topic 848 has extended the effective date through December 31, 2024. We expect finite-lived intangibles amortization expense for the next five years as follows: (In millions) 2023 2024 2025 2026 2027 Expected Amortization Expense $ 76.3 $ 75.8 $ 75.8 $ 75.1 $ 72.9 46 AVIENT CORPORATION Note 5 — EMPLOYEE SEPARATION AND RESTRUCTURING COSTS We are engaged in a restructuring program associated with our integration of the Clariant Color Acquisition. We expect that the full restructuring plan will be implemented through 2024 and anticipate that we will incur approximately $75.0 million of charges in connection with the restructuring plan.