Imerys, “Specialty Carbons for Polymer Compounds” http://www.imerys-graphite-and-carbon.com/wordpress/wp-app/uploads/2014/04/Polymer_compounds1.pdf 2http://cameo.mfa.org/wiki/Metallic_fiber

Imerys, “Specialty Carbons for Polymer Compounds” http://www.imerys-graphite-and-carbon.com/wordpress/wp-app/uploads/2014/04/Polymer_compounds1.pdf 2http://cameo.mfa.org/wiki/Metallic_fiber

Imerys, “Specialty Carbons for Polymer Compounds” http://www.imerys-graphite-and-carbon.com/wordpress/wp-app/uploads/2014/04/Polymer_compounds1.pdf 2http://cameo.mfa.org/wiki/Metallic_fiber

Segment Highlights At a Glance: Color, Additives & Inks At a Glance: Specialty Engineered Materials At a Glance: Designed Structures & Solutions At a Glance: Performance Products & Solutions At a Glance: Distribution Application Examples Luxury Packaging�with Gravitech Density Modified Polymers Medical Device Housings�with Chemically Resistant Engineered Polymers Printed Circuit Boards�with Thermally Conductive Polymers Color & Design Services Outdoor Applications Fiber Colorants�Solutions for clothing, apparel, footwear, automotive & sporting goods Slide Number 34 Metal Replacement Solutions High-Barrier Packaging Containers Investor Presentation - November 2016 r4 (2).pdf Investor Presentation - November 2016

Three Months Ended March 31, 2023 Three Months Ended March 31, 2022 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 20.8 $ 0.23 $ 64.4 $ 0.70 Special items, after tax 22.3 0.24 6.4 0.07 Amortization expense, after-tax 15.1 0.16 $ 10.8 $ 0.12 Adjusted net income / EPS $ 58.2 $ 0.63 $ 81.6 $ 0.89 Three Months Ended March 31, Reconciliation of Pro Forma Sales 2023 2022 Sales $ 845.7 $ 892.2 APM pro forma adjustments — 94.9 Pro forma sales $ 845.7 $ 987.1 1 Three Months Ended March 31, Reconciliation to EBITDA and Adjusted EBITDA: 2023 2022 Net income from continuing operations – GAAP $ 21.3 $ 64.7 Income tax expense 7.7 20.0 Interest expense, net 28.8 16.9 Depreciation and amortization 50.5 37.6 EBITDA from continuing operations $ 108.3 $ 139.2 Special items, before tax 27.3 6.7 Depreciation and amortization included in special items (1.8) (2.1) Adjusted EBITDA $ 133.8 $ 143.8 Pro forma APM adjustments — 32.0 Pro forma adjusted EBITDA $ 133.8 $ 175.8 Pro forma adjusted EBITDA as a % of sales 15.8 % 17.8 % Three Months Ended March 31, 2023 2022 Sales: Color, Additives and Inks $ 537.0 $ 649.5 Specialty Engineered Materials 309.7 243.1 Corporate (1.0) (0.4) Sales $ 845.7 $ 892.2 Operating income: Color, Additives and Inks $ 65.6 $ 94.5 Specialty Engineered Materials 43.1 38.3 Corporate (51.6) (30.6) Operating income $ 57.1 $ 102.2 Depreciation & amortization: Color, Additives and Inks $ 25.8 $ 26.0 Specialty Engineered Materials 21.2 7.8 Corporate 3.5 3.8 Depreciation & Amortization $ 50.5 $ 37.6 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 91.4 $ 120.5 Specialty Engineered Materials 64.3 46.1 Corporate (48.1) (26.8) Other income (expense), net 0.7 (0.6) EBITDA $ 108.3 $ 139.2 2 AVNT Q1 2023 Earnings Presentation v2 AVNT Q1 2023 Earnings Presentation 5.2 221pm IR Deck - AVNT-2023.03.31 (002).pdf

& Canada 51% EMEA 25% Asia 16% Latin America 8% 2021 YTD SEGMENT, END MARKET AND GEOGRAPHY 29 GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 19% Industrial 16% Building and Construction 10% Telecommunications 4% Energy 2% END MARKET REVENUE (1) Total company sales and EBITDA of $3,617M and $455M, respectively, include intercompany sales eliminations and corporate costs All charts reflect YTD financials through September 30 $1,820M $321M $691M $127M $1,206M $72M Sales Adjusted EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $455M$3,617M (1) Transportation 12% Healthcare 14% Packaging 34% Consumer 21% Healthcare 7% Industrial 16% Building & Construction 10% Transportation 9% Energy 2% Telecommunications 1% C O L O R , A D D I T I V E S & I N K S 2021 YTD REVENUE | $1 .8 BILL ION US & Canada 31% EMEA 42% Asia 21% Latin America 6% END MARKET REGION 30 All charts reflect 2021 YTD financials through September 30 S P E C I A LT Y E N G I N E E R E D M AT E R I A L S Consumer 28% Healthcare 10% Packaging 6% Telecommunications 16% Transportation 12% Industrial 11% Building & Construction 10% Energy 7% 2021 YTD REVENUE | $691 MILLION END MARKET US & Canada 55% EMEA 25% Asia 20% REGION 31 All charts reflect 2021 YTD financials through September 30 DI S TR IBU T I ON Healthcare 26% Consumer 22% Packaging 6% Industrial 20% Transportation 16% Building and Construction 8% Energy 1% Telecommunications 1% US & Canada 81% Asia 4% Latin America 15% END MARKET REGION K E Y S U P P L I ER S 2021 YTD REVENUE | $1 .2 BILL ION 32 All charts reflect 2021 YTD financials through September 30 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET Packaging 30% Consumer 27% Healthcare 12% Industrial 14% Building & Construction 5% Telecommunications 2% Energy 2% Asia (16% of sales) Transportation 8% Packaging 31% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 12% Telecommunications 5% Energy 4% EMEA (25% of sales) Transportation 12% 33 Consumer 25% Healthcare 19% Packaging 10% Industrial 17% Building & Construction 10% Telecommunications 4% Energy 2% US & Canada (51% of sales) Transportation 13% Packaging 42% Consumer 33% Healthcare 3% Industrial 10% Building & Construction 5% Telecommunications 1% LATAM (8% of sales) Transportation 6% All charts reflect 2021 YTD financials through September 30 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Three Months Ended September 30, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 78.7 $ 20.0 $ 98.7 Income from continuing operations before income taxes $ 61.1 $ 19.9 $ 81.0 Income tax expense - GAAP (8.5) — (8.5) Income tax impact of special items — (4.6) (4.6) Tax adjustments — (3.6) (3.6) Net income attributable to noncontrolling interests 0.3 — 0.3 Net income from continuing operations attributable to Avient shareholders $ 52.9 $ 11.7 $ 64.6 Net income / EPS $ 0.57 $ 0.13 $ 0.70 Weighted-average diluted shares 92.2 92.2 92.2 Three Months Ended September 30, 2020 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 33.5 $ 40.4 $ 73.9 Income from continuing operations before income taxes $ 5.3 $ 50.0 $ 55.3 Income tax expense - GAAP (2.7) — (2.7) Income tax impact of special items — (12.7) (12.7) Tax adjustments — 3.0 3.0 Net income attributable to noncontrolling interests (0.9) — (0.9) Net income from continuing operations attributable to Avient shareholders $ 1.7 $ 40.3 $ 42.0 Net income / EPS $ 0.02 $ 0.44 $ 0.46 Weighted-average diluted shares 91.9 91.9 91.9 1 Three Months Ended September 30, Three Months Ended Nine Months Ended Year Ended December 31, Reconciliation to Pro Forma Adjusted EBITDA 2021 2020 June 30, 2021 September 30, 2021 2020 2019 2018 Net income from continuing operations – GAAP $ 52.6 $ 2.6 $ 69.4 $ 201.7 $ 133.8 $ 75.7 $ 87.4 Income tax expense 8.5 2.7 20.4 51.8 5.2 33.7 14.4 Interest expense 19.0 29.7 19.5 57.8 74.6 59.5 62.8 Debt extinguishment cost — — — — — — 1.1 Depreciation and amortization from continuing operations 36.8 36.5 33.8 107.7 115.0 78.1 72.6 EBITDA $ 116.9 71.5 $ 143.1 $ 419.0 $ 328.6 $ 247.0 $ 238.3 Special items, before tax 19.9 50.0 14.2 36.5 66.2 61.7 59.5 Interest expense included in special items — (9.6) — — (10.1) — — Depreciation and amortization included in special items (0.9) (1.3) 1.4 (0.1) (3.2) — (3.0) Adjusted EBITDA $ 135.9 $ 110.6 $ 158.7 $ 455.4 $ 381.6 $ 308.7 $ 294.8 Clariant MB pro forma adjustments(1) — — — — 75.1 133.2 141.5 Pro forma adjusted EBITDA $ 135.9 $ 110.6 $ 158.7 $ 455.4 $ 456.7 $ 441.9 $ 436.3 (1) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 2 Reconciliation of EBITDA by Segment Three Months Ended September 30, Nine Months Ended September 30, Year Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 586.6 $ 493.8 $ 1,820.3 $ 1,502.9 $ 1,003.8 $ 1,046.5 Specialty Engineered Materials 233.6 174.1 690.7 708.8 745.7 645.8 Distribution 438.8 276.9 1,205.9 1,110.3 1,192.2 1,265.4 Corporate and eliminations (39.2) (20.3) (99.6) (79.9) (79.0) (76.7) Sales $ 1,219.8 $ 924.5 $ 3,617.3 $ 3,242.1 $ 2,862.7 $ 2,881.0 Operating income: Color, Additives and Inks $ 66.8 $ 50.5 $ 241.9 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 31.7 24.7 103.2 94.4 83.7 72.3 Distribution 23.8 17.5 71.5 69.5 75.4 71.5 Corporate and eliminations (43.6) (59.2) (109.4) (155.4) (149.7) (123.7) Operating income $ 78.7 $ 33.5 $ 307.2 $ 189.3 $ 156.8 $ 178.6 Items below OI in Corporate: Other income, net $ 1.4 $ 1.5 $ 4.1 $ 24.3 $ 12.1 $ (12.9) Depreciation & amortization: Color, Additives and Inks $ 26.6 $ 26.3 $ 79.2 $ 75.1 $ 42.7 $ 44.3 Specialty Engineered Materials 7.9 7.5 23.8 30.0 29.5 23.2 Distribution 0.2 0.2 0.6 0.7 0.5 0.7 Corporate and eliminations 2.1 2.5 4.1 9.2 5.4 4.4 Depreciation & Amortization $ 36.8 $ 36.5 $ 107.7 $ 115.0 $ 78.1 $ 72.6 EBITDA: Color, Additives and Inks $ 93.4 $ 76.8 $ 321.1 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 39.6 32.2 127.0 124.4 113.2 95.5 Distribution 24.0 17.7 72.1 70.2 75.9 72.2 Corporate and eliminations (41.5) (56.7) (105.3) (146.2) (144.3) (119.3) EBITDA $ 116.9 $ 71.5 $ 419.0 $ 328.6 $ 247.0 $ 238.3 EBITDA as a % of Sales: Color, Additives and Inks 15.9 % 15.6 % 17.6 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 17.0 % 18.5 % 18.4 % 17.6 % 15.2 % 14.8 % Distribution 5.5 % 6.4 % 6.0 % 6.3 % 6.4 % 5.7 % 3 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Year Ended December 31, 2020 2019 2018 Sales: Color, Additives and Inks $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(1) 540.4 1,118.6 1,209.8 Pro forma sales $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(1) 45.0 72.9 80.3 Pro forma operating income $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(1) 30.1 60.3 61.2 Pro forma depreciation & amortization $ 105.2 $ 103.0 $ 105.5 EBITDA Color, Additives and Inks $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(1) 75.1 133.2 141.5 Pro forma EBITDA $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 16.2 % 15.2 % 15.3 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 4 Year Ended December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) Other income, net 24.3 (17.6) 6.7 — 6.7 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 Weighted average diluted shares 90.6 Impact to diluted shares from January 2020 equity offering 1.5 Pro forma weighted average diluted shares 92.1 Pro forma adjusted EPS $ 1.93 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition Year Ended December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (59.5) — (59.5) (33.4) (92.9) Other income, net 12.1 (10.0) 2.1 — 2.1 Income taxes (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 77.7 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 93.0 Pro forma adjusted EPS $ 1.74 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 5 AVNT Q3 2021 Earnings Presentation.pdf AVNT Q3 2021 Earnings Presentation.pdf Final 10.27 606pm Q3 21 IR Deck Version v1.pdf

Reconciliation of Pro Forma Adjusted Earnings per Share: Three Months Ended March 31, 2020 Net income from continuing operations attributable to Avient shareholders $ 33.1 Special items, after tax (Attachment 3) 8.6 Adjusted net income from continuing operations excluding special items 41.7 Clariant MB pro forma adjustments to net income from continuing operations(2) 7.8 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 49.5 Weighted average diluted shares 86.7 Pro forma impact to diluted shares from January 2020 equity offering 6.1 Pro forma weighted average diluted shares 92.8 Adjusted EPS - excluding special items pro forma for Clariant MB acquisition $ 0.53 Year Ended December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted Avient Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) Other income, net 24.3 (17.6) 6.7 — 6.7 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 Weighted average diluted shares 90.6 Impact to diluted shares from January 2020 equity offering 1.5 Pro forma weighted average diluted shares 92.1 Pro forma adjusted EPS $ 1.93 (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 14 Year Ended December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(3) Pro Forma Adjusted Avient Sales $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (59.5) — (59.5) (33.4) (92.9) Other income, net 12.1 (10.0) 2.1 — 2.1 Income taxes (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 77.7 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 93.0 Pro forma adjusted EPS $ 1.74 (3) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 15 Reconciliation of EBITDA by Segment Three Months Ended March 31, Year Ended December 31, 2021 2020 2020 2019 2018 Operating income: Color, Additives and Inks $ 88.8 $ 40.5 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 34.2 22.3 94.4 83.7 72.3 Distribution 24.0 19.4 69.5 75.4 71.5 Corporate and eliminations (26.6) (29.4) (155.4) (149.7) (123.7) Operating income $ 120.4 $ 52.8 $ 189.3 $ 156.8 $ 178.6 Items Below OI in Corporate Other income, net $ 1.5 $ 1.6 $ 24.3 $ 12.1 $ (12.9) Depreciation & Amortization: Color, Additives and Inks $ 27.4 $ 10.9 $ 75.1 $ 42.7 $ 44.3 Specialty Engineered Materials 7.8 7.5 30.0 29.5 23.2 Distribution 0.2 0.1 0.7 0.5 0.7 Corporate and eliminations 1.7 1.4 9.2 5.4 4.4 Depreciation & Amortization $ 37.1 $ 19.9 $ 115.0 $ 78.1 $ 72.6 EBITDA Color, Additives and Inks $ 116.2 $ 51.4 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 42.0 29.8 124.4 113.2 95.5 Distribution 24.2 19.5 70.2 75.9 72.2 Corporate and eliminations (24.9) (28.0) (146.2) (144.3) (119.3) EBITDA $ 159.0 $ 74.3 $ 328.6 $ 247.0 $ 238.3 EBITDA as a % of Sales: Color, Additives and Inks 19.1 % 20.0 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 19.4 % 16.1 % 17.6 % 15.2 % 14.8 % Distribution 6.7 % 6.7 % 6.3 % 6.4 % 5.7 % 16 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended March 31, Year Ended December 31, 2020 2020 2019 2018 Sales: Color, Additives and Inks $ 256.5 $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(4) 279.4 540.4 1,118.6 1,209.8 Pro forma sales $ 535.9 $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 40.5 $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(4) 23.0 45.0 72.9 80.3 Pro forma operating income $ 63.5 $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 10.9 $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(4) 15.1 30.1 60.3 61.2 Pro forma depreciation & amortization $ 26.0 $ 105.2 $ 103.0 $ 105.5 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 51.4 $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(4) 38.1 75.1 133.2 141.5 Pro forma EBITDA $ 89.5 $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 16.7 % 16.2 % 15.2 % 15.3 % Three Months Ended March 31, Year Ended December 31, Reconciliation to Adjusted EBITDA: 2021 2020 2020 2019 2018 Net income from continuing operations – GAAP $ 79.7 $ 33.1 $ 133.8 $ 75.7 $ 87.4 Income tax expense 22.9 11.9 5.2 33.7 14.4 Interest expense 19.3 9.4 74.6 59.5 62.8 Debt extinguishment cost — — 1.1 Depreciation and amortization from continuing operations 37.1 19.9 115.0 78.1 72.6 EBITDA $ 159.0 $ 74.3 $ 328.6 $ 247.0 $ 238.3 Special items, before tax 2.4 9.6 66.2 61.7 59.5 Interest expense included in special items — — (10.1) — — Accelerated depreciation included in special items (0.5) — (3.2) — (3.0) Adjusted EBITDA $ 160.9 $ 83.9 $ 381.6 $ 308.7 $ 294.8 Reconciliation of Pro Forma Sales: Three Months Ended March 31, 2020 Sales $ 711.5 Clariant MB pro forma adjustment to sales(4) 279.4 Pro forma sales $ 990.9 (4) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) 17 Avient Announces Record First Quarter 2021 Results; Increases Full Year Guidance.pdf NEWS RELEASE 4.29 232pm News Release (002).pdf

Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Avient Investor Presentation - Jefferies Industrials Conference August 2020.pdf August 2020 investor non-GAAP reconciliation.pdf August 2020 investor non-GAAP

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A reconciliation of these measures to their most directly comparable GAAP measures is provided in the tables below. 1 Reconciliation of EBITDA by Segment Three Months Ended December 31, Year Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 581.3 $ 525.8 $ 2,401.6 $ 1,502.9 $ 1,003.8 $ 1,046.5 Specialty Engineered Materials 228.2 190.6 918.9 708.8 745.7 645.8 Distribution 425.0 305.1 1,630.9 1,110.3 1,192.2 1,265.4 Corporate and eliminations (33.0) (24.5) (132.6) (79.9) (79.0) (76.7) Sales $ 1,201.5 $ 997.0 $ 4,818.8 $ 3,242.1 $ 2,862.7 $ 2,881.0 Operating income: Color, Additives and Inks $ 61.2 $ 57.5 $ 303.1 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 28.8 30.4 132.0 94.4 83.7 72.3 Distribution 21.7 18.0 93.2 69.5 75.4 71.5 Corporate and eliminations (37.7) (40.9) (147.1) (155.4) (149.7) (123.7) Operating Income $ 74.0 $ 65.0 $ 381.2 $ 189.3 $ 156.8 $ 178.6 Items Below Operating Income in Corporate: Other income, net $ (5.4) $ 11.7 $ (1.3) $ 24.3 $ 12.1 $ (12.9) Depreciation & amortization: Color, Additives and Inks $ 26.4 $ 27.3 $ 105.7 $ 75.1 $ 42.7 $ 44.3 Specialty Engineered Materials 8.0 7.4 31.7 30.0 29.5 23.2 Distribution 0.2 0.3 0.8 0.7 0.5 0.7 Corporate and eliminations 3.6 2.8 7.7 9.3 5.4 4.4 Depreciation & Amortization $ 38.2 $ 37.8 $ 145.9 $ 115.1 $ 78.1 $ 72.6 EBITDA: Color, Additives and Inks $ 87.6 $ 84.8 $ 408.8 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 36.8 37.8 163.7 124.4 113.2 95.5 Distribution 21.9 18.3 94.0 70.2 75.9 72.2 Corporate and eliminations (39.5) (26.4) (140.7) (121.8) (132.2) (132.2) EBITDA $ 106.8 $ 114.5 $ 525.8 $ 328.7 $ 247.0 $ 238.3 EBITDA as a % of sales: Color, Additives and Inks 15.1 % 16.1 % 17.0 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 16.1 % 19.8 % 17.8 % 17.6 % 15.2 % 14.8 % Distribution 5.2 % 6.0 % 5.8 % 6.3 % 6.4 % 5.7 % 2 Reconciliation of Pro Forma Sales, Operating Income and EBITDA - Color, Additives and Inks Year Ended December 31, 2020 2019 2018 Sales: Color, Additives and Inks $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant Color pro forma adjustments(1) 540.4 1,118.6 1,209.8 Pro forma sales $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 180.8 $ 147.4 $ 158.5 Clariant Color pro forma adjustments(1) 45.0 72.9 80.3 Pro forma operating income $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 75.1 $ 42.7 $ 44.3 Clariant Color pro forma adjustments(1) 30.1 60.3 61.2 Pro forma depreciation & amortization $ 105.2 $ 103.0 $ 105.5 EBITDA Color, Additives and Inks $ 255.9 $ 190.1 $ 202.8 Clariant Color pro forma adjustments(1) 75.1 133.2 141.5 Pro forma EBITDA $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 16.2 % 15.2 % 15.3 % Three Months Ended December 31, Year Ended December 31, Reconciliation to Adjusted EBITDA: 2021 2020 2021 2020 2019 Net income from continuing operations – GAAP $ 28.9 $ 74.7 $ 230.6 $ 133.8 $ 75.7 Income tax expense (benefit) 22.2 (17.3) 74.0 5.2 33.7 Interest expense 17.5 19.3 75.3 74.6 59.5 Depreciation and amortization from continuing operations 38.2 37.8 145.9 115.0 78.1 EBITDA $ 106.8 $ 114.5 $ 525.8 $ 328.6 $ 247.0 Special items, before tax 20.6 4.2 57.1 66.2 61.7 Interest expense included in special items — — — (10.1) — Depreciation and amortization included in special items (1.6) (0.70) (1.7) (3.2) — Adjusted EBITDA $ 125.8 $ 118.0 $ 581.2 $ 381.6 $ 308.7 Clariant Color pro forma adjustments(1) — 33.4 — 75.1 133.2 Pro forma adjusted EBITDA $ 125.8 $ 113.1 $ 581.2 $ 456.7 $ 441.9 Free Cash Flow Calculation December 31, 2021 Cash provided by operating activities 233.8 Capital expenditures (100.6) Free cash flow $ 133.2 3 Net Debt Calculation December 31, 2021 Total long-term debt, net $ 1,850.3 Unamortized discount and debt issuance cost 14.4 Short-term and current portion of long term debt 8.6 Total debt $ 1,873.3 Cash (601.2) Net debt $ 1,272.1 Three Months Ended December 31, 2021 Reconciliation of Adjusted Earnings per Share: Avient Special Items Adjusted Avient Sales $ 1,201.5 $ — $ 1,201.5 Operating income $ 74.0 $ 11.2 $ 85.2 Interest expense, net (17.5) — (17.5) Other income, net (5.4) 9.4 4.0 Income taxes (22.2) 3.4 (18.8) Net income from continuing operations attributable to Avient shareholders $ 29.8 $ 24.0 $ 53.8 Weighted average diluted shares 92.1 Adjusted EPS - excluding special items $ 0.58 Reconciliation of Adjusted EBITDA from continuing operations: Operating income and other income, net $ 68.6 $ 20.6 $ 89.2 Depreciation and amortization 38.2 (1.6) 36.6 EBITDA from continuing operations $ 106.8 $ 19.0 $ 125.8 EBITDA as a % of sales 10.5 % Three Months Ended December 31, 2020 Reconciliation of Adjusted Earnings per Share: Avient Special Items Adjusted Avient Sales $ 997.0 $ — $ 997.0 Operating income $ 65.0 $ 14.6 $ 79.6 Interest expense, net (19.3) — (19.3) Other income, net 11.7 (10.4) 1.3 Income taxes 17.3 (30.9) (13.6) Net income from continuing operations attributable to Avient shareholders $ 74.2 $ (26.7) $ 47.5 Weighted average diluted shares 92.1 Adjusted EPS - excluding special items $ 0.52 Reconciliation of Adjusted EBITDA from continuing operations: Operating income and other income, net $ 76.7 $ 4.2 $ 80.9 Depreciation and amortization 37.8 (0.7) 37.1 EBITDA from continuing operations $ 114.5 $ 3.5 $ 118.0 EBITDA as a % of sales 11.8 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 4 Year Ended December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Items Adjusted Avient Clariant Color Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) Other income, net 24.3 (17.6) 6.7 — 6.7 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 Weighted average diluted shares 90.6 Impact to diluted shares from January 2020 equity offering 1.5 Pro forma weighted average diluted shares 92.1 Pro forma adjusted EPS $ 1.93 Reconciliation of Pro Forma Adjusted EBITDA from continuing operations: Operating income and other income, net $ 213.6 $ — $ 56.1 $ 269.7 $ 45.0 $ — $ 314.7 Depreciation and amortization 115.1 (3.2) 111.9 30.1 142.0 EBITDA from continuing operations $ 328.7 $ 52.9 $ 381.6 $ 75.1 $ 456.7 EBITDA as a % of sales 12.1 % Year Ended December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Items Adjusted Avient Clariant Color Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (59.5) — (59.5) (33.4) (92.9) Other income, net 12.1 (10.0) 2.1 — 2.1 Income taxes (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 77.7 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 93.0 Pro forma adjusted EPS $ 1.74 Reconciliation of Pro Forma Adjusted EBITDA from continuing operations: Operating income and other income, net $ 168.9 $ — $ 61.7 $ 230.6 $ 72.9 $ — $ 303.5 Depreciation and amortization 78.1 — 78.1 60.3 138.4 EBITDA from continuing operations $ 247.0 $ 61.7 $ 308.7 $ 133.2 $ 441.9 EBITDA as a % of sales 11.1 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 5 Three Months Ended March 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 120.4 $ 2.4 $ 122.8 Income from continuing operations before income taxes $ 102.6 $ 2.4 $ 105.0 Income tax expense - GAAP (22.9) — (22.9) Income tax impact of special items — (0.9) (0.9) Tax adjustments — 1.1 1.1 Net income attributable to noncontrolling interests (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 79.3 $ 2.6 $ 81.9 Net income / EPS $ 0.86 0.03 $ 0.89 Weighted-average diluted shares 92.2 92.2 92.2 Year Ended December 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 381.2 $ 47.8 $ 429.0 Income from continuing operations before income taxes $ 304.6 $ 57.1 $ 361.7 Income tax expense - GAAP (74.0) — (74.0) Income tax impact of special items — (13.0) (13.0) Tax adjustments — 5.9 5.9 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 Net income / EPS $ 2.51 0.54 $ 3.05 Weighted-average diluted shares 92.1 92.1 92.1 Three Months Ended December 31, 2019 Year Ended December 31, 2019 Reconciliation of pro forma sales, operating income, and EBITDA: CAI Clariant Color Pro Forma Adjustments(1) Pro Forma CAI CAI Clariant Color Pro Forma Adjustments(1) Pro Forma CAI Sales $ 226.7 $ 263.5 $ 490.2 $ 1,003.8 $ 1,118.6 $ 2,122.4 Operating income $ 27.2 $ 13.2 $ 40.4 $ 147.4 $ 72.9 $ 220.3 EBITDA $ 37.9 $ 28.3 $ 66.2 $ 190.1 $ 133.2 $ 323.3 EBITDA as a % of sales 13.5 % 15.2 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 6 Year Ended December 31, 2020 Reconciliation of pro forma sales, operating income, and EBITDA: CAI Clariant Color Pro Forma Adjustments(1) Pro Forma CAI Sales $ 1,502.9 $ 540.4 $ 2,043.3 Operating income $ 180.8 $ 45.0 $ 225.8 EBITDA $ 255.9 $ 75.1 $ 331.0 EBITDA as a % of sales 16.2 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 7 AVNT Q4 2021 Earnings Presentation.pdf AVNT Q4 2021 Earnings Presentation.pdf 2.7.22 632pm IR Deck - AVNT-2021.12.31.pdf