PP FR 8-6 LMS-1000

PP FR 8-6 LMS-1000

PP FR 8-6 LMS-1000

PP FR 8-6 LMS-1000

PP FR 8-6 LMS-1000

Avient earned its highest marks in the environmental category, thanks to our initiatives around waste recycling, emission reduction, and use of renewable energy. Year Ended December 31, 2020 Year Ended December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items(1) Adjusted Avient Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted Avient Avient Special Items(1) Adjusted Avient Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted Avient Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) (59.5) — (59.5) (33.4) (92.9) Other income, net 24.3 (17.6) 6.7 — 6.7 12.1 (10.0) 2.1 — 2.1 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 90.6 77.7 Impact to diluted shares from January 2020 equity offering 1.5 15.3 Pro forma weighted average diluted shares 92.1 93.0 Pro forma adjusted EPS $ 1.93 $ 1.74 Year Ended December 31, 2021 Reconciliation of Adjusted Earnings per Share: Avient Special Items(1) Adjusted Avient Sales $ 4,818.8 $ — $ 4,818.8 Operating income $ 381.2 $ 47.8 $ 429.0 Interest expense, net (75.3) — (75.3) Other income, net (1.3) 9.3 8.0 Income taxes (74.0) (7.1) (81.1) Net income attributable to noncontrolling interests 0.2 — 0.2 Net income from continuing operations attributable to Avient shareholders $ 230.8 $ 50.0 $ 280.8 Weighted average diluted shares 92.1 Adjusted EPS - excluding special items $ 3.05 (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; settlement gains or losses and mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results. (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2021 102 This report contains forward-looking statements.

Common shares represented by a properly signed proxy card will be voted in accordance with the choices marked on the card. If no choices are marked, the shares will be voted FOR the: (1) election of twelve Director nominees to our Board; (2) approval, on an advisory basis, of Named Executive Officer compensation; (3) approval, on an advisory basis, of the frequency of future advisory votes to approve Named Executive Officer compensation; (4) approval of the amendment and restatement of the Avient Corporation 2020 Equity and Incentive Compensation Plan; and (5) ratification of the appointment of Ernst & Young LLP ("EY") as our independent registered public accounting firm for the fiscal year ending December 31, 2023. Year Ended December 31, 2022 2021 2020 Net income from continuing operations attributable to Avient shareholders $ 82.8 $ 151.8 $71.0 Special items, after tax(1) 116.2 50.0 24.8 Amortization expense, after-tax 49.0 44.9 33.6 Adjusted net income / EPS $ 248.0 $ 246.7 $ 129.4 Diluted Shares 92.2 92.1 90.6 Adjusted EPS attributable to Avient common shareholders from continuing operations $ 2.69 $ 2.68 $ 1.43 (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; settlement gains or losses and mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

Adjusted EBITDA is calculated as follows: As of December 31, 2019 Sales Operating Income Depreciation & Amortization Adjusted EBITDA Legacy Color, Additives and Inks $ 1,003.8 $ 147.4 $ 43.2 $ 190.6 Specialty Engineered Materials 745.7 83.7 29.5 113.2 Distribution 1,192.2 75.4 0.5 75.9 Corporate and Eliminations (79.0) (149.7) 4.9 (144.8) Total $ 2,862.7 $ 156.8 $ 78.1 $ 234.9 Special items, before tax (1) 61.7 Other income, net 12.1 Net income attributable to non-controlling interests (0.2) Legacy Avient Total $ 2,862.7 $ 156.8 $ 78.1 $ 308.5 Clariant Masterbatch $ 1,123.1 $ 65.9 $ 24.3 $ 90.2 Special items, before tax (1) 43.3 Net income attributable to non-controlling interests (0.6) Clariant Masterbatch Total $ 1,123.1 $ 65.9 $ 24.3 $ 132.9 Avient Pro Forma Total $ 3,985.8 $ 222.7 $ 102.4 $ 441.4 (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures, including adjustments related to contingent consideration; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to- market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non- recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

Adjusted EBITDA is calculated as follows: As of December 31, 2019 Sales Operating Income Depreciation & Amortization Adjusted EBITDA Legacy Color, Additives and Inks $ 1,003.8 $ 147.4 $ 43.2 $ 190.6 Specialty Engineered Materials 745.7 83.7 29.5 113.2 Distribution 1,192.2 75.4 0.5 75.9 Corporate and Eliminations (79.0) (149.7) 4.9 (144.8) Total $ 2,862.7 $ 156.8 $ 78.1 $ 234.9 Special items, before tax (1) 61.7 Other income, net 12.1 Net income attributable to non-controlling interests (0.2) Legacy Avient Total $ 2,862.7 $ 156.8 $ 78.1 $ 308.5 Clariant Masterbatch $ 1,123.1 $ 65.9 $ 24.3 $ 90.2 Special items, before tax (1) 43.3 Net income attributable to non-controlling interests (0.6) Clariant Masterbatch Total $ 1,123.1 $ 65.9 $ 24.3 $ 132.9 Avient Pro Forma Total $ 3,985.8 $ 222.7 $ 102.4 $ 441.4 (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures, including adjustments related to contingent consideration; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to- market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non- recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

This publication contains information developed by Sustainalytics (www.sustainalytics.com). (2) The use by Avient of any MSCI ESG Research LLC or its affiliates (“MSCI”) data, and the use of MSCI logos, trademarks, service marks of index names herein, do not constitute a sponsorship, endorsement, recommendation, or promotion of Avient by MSCI.