NORBERT MERKLEIN Vice President and General Manager EMEA of Color, Additives & Inks Norbert Merklein serves as Vice President and General Manager for the Europe, Middle East, and Africa (EMEA) region of Color, Additives & Inks at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world.

& Canada 50% EMEA 26% Asia 16% Latin America 8% 2020 SEGMENT, END MARKET AND GEOGRAPHY 25 GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 21%Industrial 15% Wire & Cable 6% Building & Construction 6% Electrical & Electronics 4% END MARKET REVENUE Transportation 10% Healthcare 15% All data reflects 2020 Pro forma for acquisition of the Clariant Masterbatch business. (1) The total company sales and EBITDA of $3,783M and $457M, respectively, include intercompany sales eliminations and corporate costs $2,043M $331M $709M $124M $1,110M $70M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $457M$3,783M (1) Packaging 35% Consumer 23% Healthcare 8% Industrial 14% Building & Construction 8% Transportation 7% Wire & Cable 3% Electrical & Electronics 2% C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION US & Canada 31% EMEA 40% Asia 22% Latin America 7% END MARKET REGION 26 2020 figures Pro forma for acquisition of the Clariant Masterbatch business 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 24% Healthcare 10% Packaging 6% Wire & Cable(1) 24% Electrical & Electronics 13% Transportation 11% Industrial 10% Building & Construction 2% 2020 REVENUE | $709 MILLION END MARKET US & Canada 58% EMEA 23% Asia 19% REGION 27 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling DI S TR IBU T I ON 2020 REVENUE | $1 .1 B ILL ION Healthcare 29% Consumer 25% Packaging 2% Industrial 20% Transportation 14% Electrical & Electronics 5% Building & Construction 4% Wire & Cable 1% US & Canada 82% Asia 3% Latin America 15% END MARKET REGION K E Y S U P P L I ER S 28 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 32% Consumer 27% Healthcare 12% Industrial 6% Wire & Cable 6% Building & Construction 4% Electrical & Electronics 9% Asia (16% of sales) Transportation 4% Packaging 34% Consumer 16%Healthcare 5% Industrial 17% Wire & Cable 10% Building & Construction 8% Electrical & Electronics 3% EMEA (26% of sales) Transportation 7% 2020 figures Pro forma for acquisition of the Clariant Masterbatch business 29 Transportation 10% Consumer 26% Healthcare 19% Packaging 13% Industrial 16% Wire & Cable 7% Building & Construction 5% Electrical & Electronics 4% US & Canada (50% of sales) Packaging 45% Consumer 29% Healthcare 6% Industrial 8% Building & Construction 3% Electrical & Electronics 2% Wire & Cable 1% LATAM (8% of sales) Transportation 6% Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Three Months Ended March 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results 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 Reconciliation to Consolidated Statements of Income Three Months Ended March 31, 2021 Operating income - GAAP $ 120.4 Special items in operating income 2.4 Adjusted Operating income $ 122.8 1 Business Segment Operations Three Months Ended March 31, Year Ended December 31, 2021 2020 2020 2019 2018 Sales: Color, Additives and Inks $ 609.3 $ 256.5 $ 1,502.9 $ 1,003.8 $ 1,046.5 Specialty Engineered Materials 216.5 185.3 708.8 745.7 645.8 Distribution 362.7 289.5 1,110.3 1,192.2 1,265.4 Corporate and eliminations (26.2) (19.8) (79.9) (79.0) (76.7) Sales $ 1,162.3 $ 711.5 $ 3,242.1 $ 2,862.7 $ 2,881.0 Gross margin: Color, Additives and Inks $ 197.5 $ 89.4 $ 484.4 $ 338.4 $ 353.4 Specialty Engineered Materials 64.7 52.6 207.6 200.2 171.7 Distribution 39.3 33.6 124.0 132.1 125.8 Corporate and eliminations 0.9 (4.1) (31.7) (13.5) (26.1) Gross margin $ 302.4 $ 171.5 $ 784.3 $ 657.2 $ 624.8 Selling and administrative expense: Color, Additives and Inks $ 108.7 $ 48.9 $ 303.6 $ 191.0 $ 194.9 Specialty Engineered Materials 30.5 30.3 113.2 116.5 99.4 Distribution 15.3 14.2 54.5 56.7 54.3 Corporate and eliminations 27.5 25.3 123.7 136.2 97.6 Selling and administrative expense $ 182.0 $ 118.7 $ 595.0 $ 500.4 $ 446.2 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 Earnings before interest, taxes, depreciation and amortization (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) Other income, net 1.5 1.6 24.3 12.1 (12.9) 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 % 2 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended March 31, Year Ended December 31, 2021 2020 2020 2019 2018 Sales: Color, Additives and Inks $ 609.3 $ 256.5 $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(1) — 279.4 540.4 1,118.6 1,209.8 Pro forma sales $ 609.3 $ 535.9 $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 88.8 $ 40.5 $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(1) — 23.0 45.0 72.9 80.3 Pro forma operating income $ 88.8 $ 63.5 $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 27.4 $ 10.9 $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(1) — 15.1 30.1 60.3 61.2 Pro forma depreciation & amortization $ 27.4 $ 26.0 $ 105.2 $ 103.0 $ 105.5 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 116.2 $ 51.4 $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(1) — 38.1 75.1 133.2 141.5 Pro forma EBITDA $ 116.2 $ 89.5 $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 19.1 % 16.7 % 16.2 % 15.2 % 15.3 % Three Months Ended March 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 $ 711.5 $ — $ 711.5 $ 279.4 $ 990.9 Operating income 52.8 9.7 62.5 23.0 85.5 Interest expense, net (9.4) — (9.4) (12.8) (22.2) Other income, net 1.6 (0.1) 1.5 — 1.5 Income taxes (11.9) (1.0) (12.9) (2.4) (15.3) Net income from continuing operations attributable to Avient shareholders $ 33.1 $ 8.6 $ 41.7 $ 7.8 $ 49.5 Weighted average diluted shares 86.7 Impact to diluted shares from January 2020 equity offering 6.1 Weighted average diluted shares 92.8 EPS $ 0.53 (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 3 Three Months Ended June 30, 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 $ 609.1 $ — $ 609.1 $ 261.1 $ 870.2 Operating income $ 38.0 $ 9.0 $ 47.0 $ 22.0 $ 69.0 Interest expense, net (16.2) — (16.2) (5.3) (21.5) Other income, net 9.5 (0.3) 9.2 — 9.2 Income taxes (7.9) 0.7 (7.2) (3.8) (11.0) Net income attributable to non controlling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 9.4 $ 32.4 $ 12.9 $ 45.3 Weighted average diluted shares 91.8 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 107.1 Pro forma adjusted EPS $ 0.42 (2) - 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, Reconciliation to Adjusted EBITDA 2020 2019 2018 Net income from continuing operations – GAAP $ 133.8 $ 75.7 $ 87.4 Income tax expense 5.2 33.7 14.4 Interest expense 74.6 59.5 62.8 Debt extinguishment cost — — 1.1 Depreciation and amortization from continuing operations 115.0 78.1 72.6 EBITDA $ 328.6 $ 247.0 $ 238.3 Special items, before tax 66.2 61.7 59.5 Interest expense included in special items (10.1) — — Accelerated depreciation included in special items (3.2) — (3.0) Adjusted EBITDA $ 381.6 $ 308.7 $ 294.8 4 Year Ended December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(3) 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 115.0 (3.2) 111.8 30.1 141.9 EBITDA from continuing operations $ 328.6 $ 52.9 $ 381.5 $ 75.1 $ 456.6 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 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 (3) - 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 First Quarter 2021 Earnings Presentation no recs.pdf AVNT First Quarter 2021 Earnings Presentation.pdf AVNT First Quarter 2021 Earnings Presentation.pdf AVNT First Quarter 2021 Earnings Presentation.pdf 4.29 127pm Q1 21 IR Deck Version non-GAAP Recs (002).pdf

Operating Income $3,783 $4,300 2020PF 2021E Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Previous Guidance Current Guidance $3,783 $4,650 2020PF 2021E $308 $410 2020PF 2021E $308 $430 2020PF 2021E $1.93 $2.80 2020PF 2021E $1.93 $3.00 2020PF 2021E (1) (1)(1) (1)(1) (1) (in millions) (in millions) $442 $457 $580 2019PF 2020PF 2021E $1.74 $1.93 $3.00 2019PF 2020PF 2021E FULL YEAR 2019 – 2021 ORGANIC GROWTH (TOTAL COMPANY) 16 Sales Adjusted EBITDA $3,981 $3,783 $4,650 2019PF 2020PF 2021E + 17% Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (1) (1) (in millions) (in millions) (1)(1) + 31% + 72% (1) (1) ($ in millions) 2021E Adjusted EBITDA 580$ Free Cash Flow 280$ Total Debt 1,860 Less: Cash (755) Net Debt 1,105$ 2021E Net Debt / Adjusted EBITDA 1.9x 17 BALANCE SHEET • Acquisition of Magna Colours completed on July 1 – expands sustainable solutions portfolio through water-based inks technology • Deleveraging to 1.9x net debt to adjusted EBITDA by the end of 2021 • Driven by record adjusted EBITDA performance and strong free cash flow generation from asset light business • Future cash deployment: M&A, opportunistic share repurchases and balance sheet / continued leverage reduction 3.5x 2.7x 1.9x 2019PF 2020PF 2021E Net Debt / Adjusted EBITDA (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition SUSTAINABILITY FOR A BETTER TOMORROW 18 • Revenue from sustainable solutions expected to grow 14% in 2021 as our innovation efforts and collaboration with customers continues to accelerate • Investments centered around innovation and global sustainability megatrends o Enabling a circular economy – Technologies that allow for increased use of post-consumer recycled (PCR) material and improve recyclability of plastics o Light-weighting – Composites and CAI applications to reduce weight and material requirements, which minimize energy and carbon emissions o Eco-Conscious – Health and human safety applications as well as Avient’s alternative materials to replace lead, PVC, halogens, BPA and other less eco-friendly options 18 2016 2017 2018 2019 2020PF** Bio-polymers Reduced Energy Use Human Health & Safety Sustainable Infrastructure VOC Reduction Recycle Solutions Eco-Conscious Lightweighting Revenue From Sustainable Solutions* 2016-2020 $405M $455M *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Masterbatch business $340M $550M $790M 18 19 Key Updates • Includes Clariant Masterbatch performance • Increases disclosures and ESG data • Provides performance updates on 2030 Sustainability Goals • Commits to operational carbon neutrality in 2050 and 100% renewable energy by 2050 (RE 100) • Announces Avient’s participation in U.N. APPENDIX Performance Additives 15% Pigments 15% TiO2 12% Dyestuffs 4%Polyethylene 10% Nylon 5% Polypropylene 4% Other Raw Materials 29% Styrenic Block Copolymer 6% ~1/3 hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 28 • In Q2 2021, several raw material markets experienced significant price inflation and tight inventory o Average cost of hydrocarbon based materials was up 45% year-over-year and 20% sequentially o Average cost of non-hydrocarbon based materials was up 10% year-over-year and 8% sequentially • Additionally, we experienced other supply chain challenges during Q2 related to raw material spot purchases, freight constraints and productivity loss as a result of these shortages Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2020 pro forma purchases, excludes Distribution business SEGMENT DATA U.S. & Canada 50% EMEA 26% Asia 16% Latin America 8% 2021 YTD SEGMENT, END MARKET AND GEOGRAPHY 30 GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 20% Industrial 16% Building and Construction 9% Telecommunications 4% Energy 2% END MARKET REVENUE (1) Total company sales and EBITDA of $2,398M and $320M, respectively, include intercompany sales eliminations and corporate costs All charts reflect YTD financials through June 30 $1,234M $228M $457M $87M $767M $48M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $320M$2,398M (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 .2 BILL ION US & Canada 31% EMEA 42% Asia 21% Latin America 6% END MARKET REGION 31 All charts reflect 2021 YTD financials through June 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% Industrial 12% Transportation 11% Building & Construction 10% Energy 7% 2021 YTD REVENUE | $457 MILLION END MARKET US & Canada 54% EMEA 26% Asia 20% REGION 32 All charts reflect 2021 YTD financials through June 30 DI S TR IBU T I ON Healthcare 27% Consumer 22% Packaging 5% 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 | $767 MILLION 33 All charts reflect 2021 YTD financials through June 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 11% Industrial 15% Building & Construction 5% Telecommunications 2% Energy 2% Asia (16% of sales) Transportation 8% Packaging 32% Consumer 13% Healthcare 5% Industrial 18% Building & Construction 11% Telecommunications 5% Energy 4% EMEA (26% of sales) Transportation 12% 34 Consumer 25% Healthcare 19% Packaging 11% Industrial 16% Building & Construction 10% Telecommunications 4% Energy 2% US & Canada (50% of sales) Transportation 13% Packaging 40% Consumer 33% Healthcare 4% Industrial 10% Building & Construction 5% Telecommunications 1% LATAM (8% of sales) Transportation 7% All charts reflect 2021 YTD financials through June 30 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Three Months Ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 108.1 $ 14.2 $ 122.3 Income from continuing operations before income taxes $ 89.8 $ 14.2 $ 104.0 Income tax expense - GAAP (20.4) — (20.4) Income tax impact of special items — (3.4) (3.4) Tax adjustments — 0.9 0.9 Net income attributable to noncontrolling interests (0.6) — (0.6) Net income from continuing operations attributable to Avient shareholders $ 68.8 $ 11.7 $ 80.5 Net income / EPS $ 0.74 $ 0.13 $ 0.87 Weighted-average diluted shares 92.4 92.4 92.4 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 Three Months Ended Year Ended December 31, Reconciliation to Pro Forma Adjusted EBITDA June 30, 2021 March 31, 2021 June 30, 2020 2020 2019 Net income from continuing operations – GAAP $ 69.4 $ 79.7 $ 23.4 $ 133.8 $ 75.7 Income tax expense 20.4 22.9 7.9 5.2 33.7 Interest expense 19.5 19.3 16.2 74.6 59.5 Depreciation and amortization from continuing operations 33.8 37.1 20.9 115.0 78.1 EBITDA $ 143.1 $ 159.0 $ 68.4 $ 328.6 $ 247.0 Special items, before tax 14.2 2.4 2.4 66.2 61.7 Interest expense included in special items — — (0.5) (10.1) — Depreciation and amortization included in special items 1.4 (0.5) (1.2) (3.2) — Adjusted EBITDA $ 158.7 $ 160.9 $ 69.1 $ 381.6 $ 308.7 Clariant MB pro forma adjustments(1) — — 37.0 75.1 133.2 Pro forma adjusted EBITDA $ 158.7 $ 160.9 $ 106.1 $ 456.7 $ 441.9 (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 1 Reconciliation of EBITDA by Segment Three Months Ended June 30, Six Months Ended June 30, Year Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 483.3 $ 1,502.9 $ 1,003.8 Specialty Engineered Materials 240.6 158.8 457.1 344.1 708.8 745.7 Distribution 404.4 238.8 767.1 528.3 1,110.3 1,192.2 Corporate and eliminations (34.2) (15.3) (60.4) (35.1) (79.9) (79.0) Sales $ 1,235.2 $ 609.1 $ 2,397.5 $ 1,320.6 $ 3,242.1 $ 2,862.7 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 37.3 17.0 71.5 94.4 83.7 72.3 Distribution 23.7 14.6 47.7 69.5 75.4 71.5 Corporate and eliminations (39.2) (25.9) (65.8) (155.4) (149.7) (123.7) Operating income $ 108.1 $ 38.0 $ 228.5 $ 189.3 $ 156.8 $ 178.6 Items below OI in Corporate: Other income, net $ 1.2 $ 9.5 $ 2.7 $ 24.3 $ 12.1 $ (12.9) Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 75.1 $ 42.7 $ 44.3 Specialty Engineered Materials 8.1 7.6 15.9 30.0 29.5 23.2 Distribution 0.2 0.1 0.4 0.7 0.5 0.7 Corporate and eliminations 0.2 2.6 2.0 9.2 5.4 4.4 Depreciation & Amortization $ 33.8 $ 20.9 $ 70.9 $ 115.0 $ 78.1 $ 72.6 EBITDA: Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 45.4 24.6 87.4 124.4 113.2 95.5 Distribution 23.9 14.7 48.1 70.2 75.9 72.2 Corporate and eliminations (39.0) (23.3) (63.8) (146.2) (144.3) (119.3) EBITDA $ 143.1 $ 68.4 $ 302.1 $ 328.6 $ 247.0 $ 238.3 EBITDA as a % of Sales: Color, Additives and Inks 17.9 % 18.9 % 18.5 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 18.9 % 15.5 % 19.1 % 17.6 % 15.2 % 14.8 % Distribution 5.9 % 6.2 % 6.3 % 6.3 % 6.4 % 5.7 % 2 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended June 30, Six Months Ended June 30, Year Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(1) — 261.1 — 540.4 1,118.6 1,209.8 Pro forma sales $ 624.4 $ 487.9 $ 1,233.7 $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(1) — 22.0 — 45.0 72.9 80.3 Pro forma operating income $ 86.3 $ 54.3 $ 175.1 $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(1) — 15.0 — 30.1 60.3 61.2 Pro forma depreciation & amortization $ 25.3 $ 25.6 $ 52.6 $ 105.2 $ 103.0 $ 105.5 EBITDA Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(1) — 37.0 — 75.1 133.2 141.5 Pro forma EBITDA $ 111.6 $ 79.9 $ 227.7 $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 17.9 % 16.4 % 18.5 % 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 Three Months Ended June 30, 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 $ 609.1 $ — $ 609.1 $ 261.1 $ 870.2 Operating income $ 38.0 $ 9.0 $ 47.0 $ 22.0 $ 69.0 Interest expense, net (16.2) — (16.2) (5.3) (21.5) Other income, net 9.5 (6.6) 2.9 — 2.9 Income taxes (7.9) 0.2 (7.7) (3.8) (11.5) Net income attributable to noncontrolling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 2.6 $ 25.6 $ 12.9 $ 38.5 Weighted average diluted shares 91.8 Pro forma adjusted EPS $ 0.42 (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 3 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 4 AVNT Q2 2021 Earnings Presentation - Website NEW.pdf AVNT Q2 2021 Earnings Presentation - Website.pdf Final - 7.19 1158am Q2 21 IR Deck Version v2

Three Months Ended December 31, Year Ended December 31, 2021 2020 2021 2020 Sales: Color, Additives and Inks $ 581.3 $ 525.8 $ 2,401.6 $ 1,502.9 Specialty Engineered Materials 228.2 190.6 918.9 708.8 Distribution 425.0 305.1 1,630.9 1,110.3 Corporate and eliminations (33.0) (24.5) (132.6) (79.9) Sales $ 1,201.5 $ 997.0 $ 4,818.8 $ 3,242.1 Gross margin: Color, Additives and Inks $ 164.5 $ 164.3 $ 727.5 $ 484.4 Specialty Engineered Materials 60.0 59.1 257.4 207.6 Distribution 36.5 32.4 155.8 124.0 Corporate and eliminations (7.9) (2.9) (41.1) (31.7) Gross margin $ 253.1 $ 252.9 $ 1,099.6 $ 784.3 Selling and administrative expense: Color, Additives and Inks $ 103.3 $ 106.8 $ 424.4 $ 303.6 Specialty Engineered Materials 31.2 28.7 125.4 113.2 Distribution 14.8 14.4 62.6 54.5 Corporate and eliminations 29.8 38.0 106.0 123.7 Selling and administrative expense $ 179.1 $ 187.9 $ 718.4 $ 595.0 Operating income: Color, Additives and Inks $ 61.2 $ 57.5 $ 303.1 $ 180.8 Specialty Engineered Materials 28.8 30.4 132.0 94.4 Distribution 21.7 18.0 93.2 69.5 Corporate and eliminations (37.7) (40.9) (147.1) (155.4) Operating income $ 74.0 $ 65.0 $ 381.2 $ 189.3 13 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance. Reconciliation of Pro Forma Adjusted Earnings per Share: Year Ended December 31, 2020 Net income from continuing operations attributable to Avient shareholders $ 132.0 Special items, after tax 24.8 Adjusted net income from continuing operations excluding special items 156.8 Clariant Color pro forma adjustments to net income from continuing operations(2) 20.7 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 177.5 Weighted average diluted shares 90.6 Pro forma impact to diluted shares from January 2020 equity offering(2) 1.5 Pro forma weighted average diluted shares 92.1 Adjusted EPS - excluding special items pro forma for Clariant Color acquisition $ 1.93 Year Ended December 31, 2020 Sales $ 3,242.1 Clariant Color pro forma adjustment to sales(2) 540.4 Pro forma sales $ 3,782.5 (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 15 Reconciliation of Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA) by Segment Three Months Ended December 31, Year Ended December 31, 2021 2020 2021 2020 Operating income: Color, Additives and Inks $ 61.2 $ 57.5 $ 303.1 $ 180.8 Specialty Engineered Materials 28.8 30.4 132.0 94.4 Distribution 21.7 18.0 93.2 69.5 Corporate and eliminations (37.7) (40.9) (147.1) (155.4) Operating income $ 74.0 $ 65.0 $ 381.2 $ 189.3 Items below OI in Corporate: Other income, net $ (5.4) $ 11.7 $ (1.3) $ 24.3 Depreciation & amortization: Color, Additives and Inks $ 26.4 $ 27.3 $ 105.7 $ 75.1 Specialty Engineered Materials 8.0 7.4 31.7 30.0 Distribution 0.2 0.3 0.8 0.7 Corporate and eliminations 3.6 2.8 7.7 9.3 Depreciation & Amortization $ 38.2 $ 37.8 $ 145.9 $ 115.1 EBITDA: Color, Additives and Inks $ 87.6 $ 84.8 $ 408.8 $ 255.9 Specialty Engineered Materials 36.8 37.8 163.7 124.4 Distribution 21.9 18.3 94.0 70.2 Corporate and eliminations (39.5) (26.4) (140.7) (121.8) EBITDA $ 106.8 $ 114.5 $ 525.8 $ 328.7 16 Reconciliation of Pro Forma Sales, Operating Income and EBITDA - Color, Additives and Inks Year Ended December 31, 2020 Sales: Color, Additives and Inks $ 1,502.9 Clariant Color pro forma adjustments(2) 540.4 Pro forma sales $ 2,043.3 Operating income: Color, Additives and Inks $ 180.8 Clariant Color pro forma adjustments(2) 45.0 Pro forma operating income $ 225.8 Depreciation & amortization: Color, Additives and Inks $ 75.1 Clariant Color pro forma adjustments(2) 30.1 Pro forma depreciation & amortization $ 105.2 EBITDA: Color, Additives and Inks $ 255.9 Clariant Color pro forma adjustments(2) 75.1 Pro forma EBITDA $ 331.0 (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 Three Months Ended December 31, Year Ended December 31, Reconciliation to EBITDA and Pro Forma Adjusted EBITDA: 2021 2020 2021 2020 Net income from continuing operations – GAAP $ 28.9 $ 74.7 $ 230.6 $ 133.8 Income tax expense (benefit) 22.2 (17.3) 74.0 5.2 Interest expense 17.5 19.3 75.3 74.6 Depreciation and amortization from continuing operations 38.2 37.8 145.9 115.1 EBITDA $ 106.8 $ 114.5 $ 525.8 $ 328.7 Special items, before tax 20.6 4.2 57.1 66.2 Interest expense included in special items — — (10.1) Depreciation and amortization included in special items (1.6) (0.7) (1.7) (3.2) Adjusted EBITDA $ 125.8 $ 118.0 $ 581.2 $ 381.6 Clariant Color pro forma adjustments(2) — — — 75.1 Pro forma adjusted EBITDA $ 125.8 $ 118.0 $ 581.2 $ 456.7 (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 17 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 NEWS RELEASE Attachment 1

& Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 41% 36% 18% 5% 7% 7% 23% 19% 9% 16% 10% 5% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 4 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. PY (TOTAL COMPANY) $790 $719 2022 2023 $107 $114 2022 2023 Sales Adjusted EBITDA (in millions) $0.42 $0.52 2022 2023 Adjusted EPS (in millions) - 9% + 7% + 24% Sales Adjusted EBITDA Adjusted EPS 15 Q4 2023 SEGMENT PERFORMANCE 16 CAI $491 $459 Sales (in millions) $70 $84 EBITDA SEM $301 $260 Sales $55 $49 EBITDA - 7% - 14%+20% - 11% 2022 2023 (in millions) Q4 EBITDA BRIDGE (TOTAL COMPANY) 17 $ millions CAI: Price / Mix 11 Deflation 14 SEM: Price / Mix 4 Deflation 9 Net Price Benefit 38 Cost Reductions 13 Wage Inflation (8) Other (2) Q4 2023 $114 Adjusted EBITDA Q4 2022 $ 107 Demand (34) • Demand was down, but less than in previous quarters, due to slowing pace of destocking • Positive net price benefit: o CAI – Pricing flat with favorable mix from uptick in packaging and consumer end markets and raw material deflation o SEM - Pricing flat with favorable mix from Composites and raw material deflation • Cost reductions primarily driven by reduced administrative costs and cost synergies 2024 G U I DAN CE 2024 GUIDANCE Full Year 2024 Guidance Adjusted EBITDA $505 to $535 million Adjusted EPS $2.40 to $2.65 Interest Expense $105 to $110 million Adjusted Effective Tax Rate 23% to 25% Capital Expenditures ~$140 million 19 Q1 Adjusted EPS of $0.68 AP P E N DI X 21 Performance Additives 15% Pigments 13% TiO2 9% Dyestuffs 2% Polyethylene 10%Nylon 5% Polypropylene 4% Styrenic Block Copolymer 4% Other Raw Materials 38% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 41% EMEA 36% Asia 18% Latin America 5% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 19% Packaging 23%Industrial 16% Building and Construction 9% Telecommunications 4% Energy 5% Defense 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) Transportation 10% Healthcare 7% 23 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2023 REVENUE | $2 .0 BILLION US & Canada 34% EMEA 37% Asia 21% Latin America 8% END MARKET REGION 24 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 BILLION US & Canada 52% EMEA 35% Asia 13% 25 Packaging 5% Consumer 16% Healthcare 6%Industrial 16% Transportation 12% Telecommunications 9% Energy 10% Defense 18% Building & Construction 8% END MARKET REGION SPECIALTY ENGINEERED MATERIALS Packaging 32% Consumer 26% Healthcare 9% Industrial 13% Building & Construction 6% Telecommunications 2% Energy 2% Defense 1% Asia (18% of sales) Transportation 9% 2023 AVIENT REGIONAL SALES Packaging 25% Consumer 13% Healthcare 5% Industrial 18% Building & Construction 9% Energy 5% Defense 8% EMEA (36% of sales)Transportation 13% Packaging 13% Consumer 22% Healthcare 10% Industrial 16% Building & Construction 12% Energy 6% Defense 8% US & Canada (41% of sales) Transportation 9% Packaging 59% Consumer 22% Healthcare 2% Industrial 8% Building & Construction 4% LATAM (5% of sales) Transportation 5% Telecommunications 4% Telecommunications 4% 26 BY END MARKET Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results. Free Cash Flow Calculation December 31, 2023 Cash provided by operating activities $ 201.6 Taxes paid on gain on sale of business 104.1 Adjusted cash provided by operating activities $ 305.7 Capital expenditures $ (119.4) Free cash flow $ 186.3 2 Three Months Ended December 31, Year Ended December 31, 2023 2022 2023 2022 Sales: Color, Additives and Inks $ 459.4 $ 490.8 $ 2,007.4 $ 2,355.0 Specialty Engineered Materials 259.8 300.8 1,138.2 1,044.4 Corporate (0.2) (1.2) (2.8) (2.5) Sales $ 719.0 $ 790.4 $ 3,142.8 $ 3,396.9 Operating income: Color, Additives and Inks $ 61.8 $ 44.3 $ 259.9 $ 301.0 Specialty Engineered Materials 29.4 35.2 142.5 140.1 Corporate (48.1) (79.1) (205.6) (197.8) Operating income $ 43.1 $ 0.4 $ 196.8 $ 243.3 Other expense, net: $ 4.3 $ (28.4) $ 5.8 $ (59.7) Depreciation & amortization: Color, Additives and Inks $ 22.2 $ 25.2 $ 98.3 $ 101.3 Specialty Engineered Materials 19.8 20.3 81.5 48.7 Corporate 2.2 3.1 9.0 12.5 Depreciation & amortization $ 44.2 $ 48.6 $ 188.8 $ 162.5 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 84.0 $ 69.5 $ 358.2 $ 402.3 Specialty Engineered Materials 49.2 55.5 224.0 188.8 Corporate (45.9) (76.0) (196.6) (185.3) Other expense, net $ 4.3 $ (28.4) $ 5.8 $ (59.7) EBITDA $ 91.6 $ 20.6 $ 391.4 $ 346.1 Special items in EBITDA 22.3 86.8 110.4 162.5 EBITDA - excluding special items $ 113.9 $ 107.4 $ 501.8 $ 508.6 APM pro forma adjustments - 8 months 2022* — — — 83.1 Pro forma EBITDA $ 113.9 $ 107.4 $ 501.8 $ 591.7 * Pro forma adjustment for January - August 2022 APM results (period before Avient ownership). 3 AVNT February IR Presentation_w_Non-GAAP Recs.pdf AVNT February IR Presentation.pdf Avient corporation�investor presentation DISCLAIMER Slide Number 3 Creating a world-class�sustainable organization Top-tier sustainability performance�and recognition Slide Number 6 Slide Number 7 Portfolio transformation Slide Number 9 END MARKET observations�(% of company sales) Regional observations�(% of company sales) Slide Number 12 Slide Number 13 Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Slide Number 18 Slide Number 19 Slide Number 20 Slide Number 21 Slide Number 22 2023 segment, end market and Geography Color, Additives & Inks Specialty Engineered Materials Slide Number 26 AVNT Q4 2023 Earnings Presentation.pdf AVNT Q4 2023 Earnings Presentation_For Website_with Non-GAAP.pdf IR Deck - AVNT-2023.12.31 (2.12.24 9PM Milestone February 12 0905 pm).pdf Attachment 3.26.24 - Public Lender Presentation Non-GAAP Attachments (005).pdf

WOON KEAT MOH Senior Vice President, President Color, Additives & Inks–Americas and Asia Woon Keat Moh (“Moh”) is senior vice president, president, Color, Additives & Inks, Americas and Asia regions for Avient Corporation, a premier provider of specialized and sustainable material solutions and services.

& 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

STRENGTH & FLEX Excellent Dimensional Stability, High Stiffness, Impact Resistance SOLUTION: Short & Long Fiber Formulations, Continuous Fiber Composite Tapes & Laminates DURABILITY Density, Stiffness, Strength SOLUTION: Short & Long Fiber Formulations SURFACE PROTECTION Performance Enhancements, Chemical Resistance SOLUTION: Scratch & Mar Resistance, UV Stable Additives TACTILE EXPERIENCE Soft Touch, Slip Resistance SOLUTION: Thermoplastic Elastomers METAL REPLACEMENT High Stiffness-to-Weight Ratio, Lightweighting, Buoyancy SOLUTION: Continuous Filament Winding Technology EXTREME PERFORMANCE Waterproof Seals & Closures SOLUTION: Thermoplastic Elastomers DYNAMIC COMFORT Durability, Customization, Shock Absorption SOLUTION: Thermoplastic Elastomers COLOR RESILIENCE Excellent Adhesion to Substrates, Weatherability SOLUTION: Plastisol Textile Inks FUNCTIONALITY High Stiffness, Structural Integrity, Metal Replacement SOLUTION: Short & Long Fiber Formulations, Continuous Fiber Composite Tapes & Laminates AESTHETIC APPEAL Custom Colors, Patterns & Tones SOLUTION: Custom Polymer Colorants, Specialty Additives RESILIENCE Weatherability, Longevity SOLUTION: Specialty Engineered Polymer Formulations For more on material solutions for outdoor equipment, visit avient.com/outdoor. STEM TO STERN OUTSTANDING FROM Explore the many ways polymers can help you innovate to meet evolving consumer demands and create thoughtfully designed paddlesports products that set your brand apart. https://www.avient.com/products/advanced-composites/short-long-fiber-formulations https://www.avient.com/products/advanced-composites/short-long-fiber-formulations https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/advanced-composites/short-long-fiber-formulations https://www.avient.com/products/advanced-composites/short-long-fiber-formulations https://www.avient.com/products/polymer-additives/performance-enhancement-additives/oncap-scratch-mar-resistance-additives https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives http://www.avient.com/products/thermoplastic-elastomers http://www.avient.com/products/thermoplastic-elastomers https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-continuous-filament-wound-tubes-poles https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-continuous-filament-wound-tubes-poles http://www.avient.com/products/thermoplastic-elastomers http://www.avient.com/products/thermoplastic-elastomers http://www.avient.com/products/thermoplastic-elastomers http://www.avient.com/products/thermoplastic-elastomers http://www.avient.com/products/screen-printing-inks http://www.avient.com/products/screen-printing-inks https://www.avient.com/products/engineered-polymer-formulations/structural-fiber-reinforced-formulations https://www.avient.com/products/engineered-polymer-formulations/structural-fiber-reinforced-formulations https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates http://www.avient.com/products/polymer-colorants http://www.avient.com/products/polymer-colorants http://www.avient.com/products/polymer-additives http://www.avient.com/products/engineered-polymer-formulations http://www.avient.com/products/engineered-polymer-formulations http://www.avient.com/products/engineered-polymer-formulations http://www.avient.com/outdoor http://www.avient.com/outdoor

DURABILITY Extended Life, Chemical Resistance, High & Low Temperature Performance, Flexibility, UV Stability, Tensile Strength SOLUTIONS: Cross-Linkable Formulations, UV & Light Blocking Additives, High-Temperature Crosslinked Formulations REGULATORY SPECIFICATIONS Quality Assurance, UL, CSA, CPR Compliant SOLUTIONS: Flame Retardants & Compliant Colorants, Product Authentication Technologies, Flame Retardant Engineered Polymers, LSFOH Flame Retardant Formulations PROCESSING EFFICIENCY Reduced Part Weight, High Extrusion Speeds, Ambient Curing SOLUTIONS: Cross-Linkable Formulations, Chemical Foaming Agents & Additives, Processing Enhancement Additives, Laser Marking Additives IMPROVED SAFETY Flame Performance, Property Protection, Heat & Chemical Resistance SOLUTIONS: Flame Retardant Engineered Polymers, Wire & Cable Colorants, Antimicrobial Additives, Electrical Performance Additives POWER CABLES https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives/cesa-light-additives https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/colorant-chromatics-crosslinked-formulations https://www.avient.com/products/polymer-additives/flame-retardants-and-compliant-solutions https://www.avient.com/products/polymer-additives/anti-counterfeiting/cesa-percept-authentication-technologies https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations https://www.avient.com/products/polymer-additives/foaming-agents https://www.avient.com/products/polymer-additives/processing-enhancement-additives https://www.avient.com/products/polymer-additives/laser-marking-additives https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-wire-cable https://www.avient.com/products/polymer-additives/repellant-antimicrobial-additives/cesa-withstand-antimicrobial-additives https://www.avient.com/products/polymer-additives/electrical-performance-additives DURABILITY & AESTHETICS Extended Life, High Material Flexibility, Chemical Resistance, UV Stability, Tensile Strength, Laser Markable Colors SOLUTIONS: Flame Retardant Engineered Polymers, Colorants for Wire & Cable, UV & Light Blocking Additives, Antimicrobial Additives, Laser Marking Additives FIRE SAFETY Flame & Fire Performance, Low Dripping, Property Protection, Heat & Chemical Resistance SOLUTIONS: Flame Retardant Additives, Flame Retardant Engineered Polymers REGULATORY SPECIFICATIONS BEAD, UL, CSA, and CPR Compliant, Quality Assurance SOLUTIONS: Engineered Fiber Products, Flame Retardants & Compliant Colorants, Product Authentication Technologies, Flame Retardant Engineered Polymers LOW SMOKE & FUME NON-HALOGEN (LSFOH) High Flame Retardancy, Low Smoke, Fume, Corrosiveness & Toxicity, Smoke Mitigation SOLUTIONS: LSFOH Flame Retardant Formulations, Non-Halogenated FR Additives DATA CABLES SPEED & EFFICIENCY Faster Deployment, Lower Labor & Manufacturing Cost, High Extrusion Speeds SOLUTIONS: Chemical Foaming Agents & Additives, Processing Enhancement Additives, Laser Marking Additives, Water Blocking & Absorbing Yarn, Ripcords for Fiber Optic Cable ELECTRIC & THERMAL MANAGEMENT Low-Dielectric Performance, FEP Alternative, Data Integrity, Data Performance SOLUTIONS: Flame Retardant Engineered Polymers, Flame Retardants & Compliant Colorants, Electrical Performance Additives LIGHTWEIGHTING Dielectric Strength Members, Weight Reduction SOLUTIONS: Chemical Foaming Agents & Additives, Synthetic Fiber Strength Members, Water Blocking & Absorbing Yarn HIGH-TEMPERATURE SOLUTIONS Pre-Colored Formulations, Laser Markable Colors, Standard & Custom Colors, Conductivity SOLUTIONS: High-Temperature Colorants & Pre-colored Solutions, High Temperature Marking Inks, Colorants & Additives, Conductive High-Temperature Formulations https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-wire-cable https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives https://www.avient.com/products/polymer-additives/repellant-antimicrobial-additives/cesa-withstand-antimicrobial-additives https://www.avient.com/products/polymer-additives/laser-marking-additives https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-flame-retardant-additives https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations https://www.avient.com/products/fiber-line-engineered-fiber-solutions/fiber-line-engineered-fiber-products https://www.avient.com/products/polymer-additives/flame-retardants-and-compliant-solutions https://www.avient.com/products/polymer-additives/anti-counterfeiting/cesa-percept-authentication-technologies https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-flame-retardant-additives https://www.avient.com/products/polymer-additives/foaming-agents https://www.avient.com/products/polymer-additives/processing-enhancement-additives https://www.avient.com/products/polymer-additives/laser-marking-additives https://www.avient.com/products/fiber-line-engineered-fiber-solutions/fiber-line-engineered-fiber-products/water-blocking-absorbing-yarn https://www.avient.com/products/fiber-line-engineered-fiber-solutions/fiber-line-engineered-fiber-products/ripcords-fiber-optic-cable https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations https://www.avient.com/products/polymer-additives/flame-retardants-and-compliant-solutions https://www.avient.com/products/polymer-additives/electrical-performance-additives https://www.avient.com/products/polymer-additives/foaming-agents https://www.avient.com/products/fiber-line-engineered-fiber-solutions/fiber-line-engineered-fiber-products/strength-members https://www.avient.com/products/fiber-line-engineered-fiber-solutions/fiber-line-engineered-fiber-products/water-blocking-absorbing-yarn https://www.avient.com/products/polymer-colorants/high-temperature-color-concentrates https://www.avient.com/products/printing-and-marking-inks/colorant-chromatics-marking-inks https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/colorant-chromatics-conductive-formulations-0 POWER CABLES SOLUTIONS AVIENT TECHNOLOGIES Cross-Linkable Formulations Syncure™ XLPE Cross-linkable Polyethylene Formulations ECCOH™ XL Cross-Linkable Formulations Colorant Chromatics™ Crosslinked Formulations UV & Light Blocking Performance UV & Light Blocking Additives ECCOH™ LSFOH UV Formulations Chemical Foaming Agents & Additives Excelite™ Chemical Foaming Additives Hydrocerol™ Chemical Foaming Agents Processing Enhancement Additives Cesa™ Processing Additives Laser Marking Additives Cesa™ Laser Additives Colorant Chromatics™ UV Laser Marking Technology Flame Retardants & Compliant Colorants Cesa™ Flame Retardant Additives OnColor™ UL 94 Colorants Product Authentication Technologies Cesa™ Percept™ Authentication Technologies Flame Retardant Engineered Polymers Syncure™ XLPE Cross-linkable Polyethylene Formulations ECCOH™ Low Smoke and Fume Non-Halogen Formulations ECCOH™ XL Cross-Linkable Formulations Wire & Cable Colorants OnColor™ Colorants for Wire & Cable Antimicrobial Additives Cesa™ WithStand™ Antimicrobial Additives Electrical Performance Additives Electrical Performance Additives https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/syncure-xlpe-cross-linkable-polyethylene-formulations https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-xl-cross-linkable-solutions https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/colorant-chromatics-crosslinked-formulations https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/polymer-additives/foaming-agents/excelite-chemical-foaming-additives https://www.avient.com/products/polymer-additives/foaming-agents/hydrocerol-chemical-foaming-agents https://www.avient.com/products/polymer-additives/processing-enhancement-additives https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-laser-additives https://www.avient.com/products/polymer-additives/laser-marking-additives/colorant-chromatics-uv-laser-marking-technology https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-flame-retardant-additives https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-ul-94-colorants https://www.avient.com/products/polymer-additives/anti-counterfeiting/cesa-percept-authentication-technologies https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/syncure-xlpe-cross-linkable-polyethylene-formulations https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-xl-cross-linkable-solutions https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-wire-cable https://www.avient.com/products/polymer-additives/repellant-antimicrobial-additives/cesa-withstand-antimicrobial-additives https://www.avient.com/products/polymer-additives/electrical-performance-additives DATA CABLES SOLUTIONS AVIENT TECHNOLOGIES Flame Retardant Engineered Polymers ECCOH™ Low Smoke and Fume Non-Halogen Formulations Maxxam™ FR Flame Retardant Polyolefin Formulations Maxxam™ SY Foamable Flame Retardant Formulations UV & Light Blocking Performance UV & Light Blocking Additives ECCOH™ LSFOH UV Formulations Chemical Foaming Agents & Additives Excelite™ Chemical Foaming Additives Hydrocerol™ Chemical Foaming Agents Processing Enhancement Additives Cesa™ CTR Additives Laser Marking Additives Cesa™ Laser Additives Colorant Chromatics™ UV Laser Marking Technology Ripcords for Fiber Optic Cable Fiber-Line™ Ripcords Water Blocking & Absorbing Yarn Swellcoat™ Water Blocking & Absorbing Yarn Flame Retardants & Compliant Colorants Cesa™ Flame Retardant Additives OnColor™ UL 94 Colorants Product Authentication Technologies Cesa™ Percept™ Authentication Technologies Engineered Fiber Products Fiber-Line™ Engineered Fibers Synthetic Fiber Strength Members Fiber-Line™ Synthetic Fiber Strength Members Antimicrobial Additives Cesa™ WithStand™ Antimicrobial Additives Colorants for Wire & Cable OnColor™ Colorants for Wire & Cable Electrical Performance Additives Cesa™ Conductive Additives Cesa™ Stat Antistatic Additives LSFOH Flame Retardant Formulations ECCOH™ Low Smoke and Fume Non-Halogen Formulations 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation. DATA CABLES SOLUTIONS AVIENT TECHNOLOGIES Non-Halogenated FR Additives Cesa™ Flame Retardant Additives Colorants & Additives Smartbatch™ Combination Colorants & Additives OnColor™ Colorants for Wire & Cable High-Temperature Colorants & Pre-Colored Solutions Colorant Chromatics™ ECTFE/ETFE Colorants Colorant Chromatics™ FEP Colorants Colorant Chromatics™ PEEK and PEI-Siloxane (SILTEM™ resin) Colorants & Pre-colored Solutions Colorant Chromatics™ PFA/MFA Colorants Colorant Chromatics™ PVDF Colorants Colorant Chromatics™ Reinforced Formulations High-Temperature Marking Inks Colorant Chromatics™ Marking Inks Conductive High-Temperature Formulations Colorant Chromatics™ Conductive Formulations https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/maxxam-fr-flame-retardant-polyolefin-formulations https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/maxxam-sy-foamable-flame-retardant-formulations https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/polymer-additives/foaming-agents/excelite-chemical-foaming-additives https://www.avient.com/products/polymer-additives/foaming-agents/hydrocerol-chemical-foaming-agents https://www.avient.com/products/polymer-additives/processing-enhancement-additives/cesa-ctr-additives https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-laser-additives https://www.avient.com/products/polymer-additives/laser-marking-additives/colorant-chromatics-uv-laser-marking-technology https://www.avient.com/products/fiber-line-engineered-fiber-solutions/fiber-line-engineered-fiber-products/ripcords-fiber-optic-cable https://www.avient.com/products/fiber-line-engineered-fiber-solutions/fiber-line-engineered-fiber-products/water-blocking-absorbing-yarn https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-flame-retardant-additives https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-ul-94-colorants https://www.avient.com/products/polymer-additives/anti-counterfeiting/cesa-percept-authentication-technologies https://www.avient.com/products/fiber-line-engineered-fiber-solutions/fiber-line-engineered-fiber-products https://www.avient.com/products/fiber-line-engineered-fiber-solutions/fiber-line-engineered-fiber-products/strength-members https://www.avient.com/products/polymer-additives/repellant-antimicrobial-additives/cesa-withstand-antimicrobial-additives https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-wire-cable https://www.avient.com/products/polymer-additives/electrical-performance-additives/cesa-conductive-additives https://www.avient.com/products/polymer-additives/processing-enhancement-additives/cesa-stat-antistatic-additives https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-flame-retardant-additives https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-combination-colorants-additives https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-wire-cable https://www.avient.com/products/polymer-colorants/fluoropolymer-color-concentrates/colorant-chromatics-ectfe/etfe-colorants https://www.avient.com/products/polymer-colorants/fluoropolymer-color-concentrates/colorant-chromatics-fep-colorants https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/colorant-chromatics-peek-and-pei-siloxane-colorants-pre-colored-solutions https://www.avient.com/products/polymer-colorants/fluoropolymer-color-concentrates/colorant-chromatics-pfa/mfa-colorants https://www.avient.com/products/polymer-colorants/fluoropolymer-color-concentrates/colorant-chromatics-pvdf-colorants https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/colorant-chromatics-reinforced-formulations-0 https://www.avient.com/products/printing-and-marking-inks/colorant-chromatics-marking-inks https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/colorant-chromatics-conductive-formulations-0

All Rights Reserved 2024 2 Jamie Beggs Summary and financials Ashish Khandpur Introduction and strategic overview Woon Keat Moh SEGMENT STRATEGY: Color, Additives & Inks Chris Pederson SEGMENT STRATEGY: Specialty Engineered Materials Q&AMike Mosley SPOTLIGHT: Building new platforms of scale in Advanced composites Copyright © . Healthcare Drug delivery devices Engineered materials for healthcare Functional additives for lightweighting Composites for Defense and law enforcement in Color, Additives and Inksin Color, Additives and Inks in Specialty Engineered Materials in Specialty Engineered Materials Copyright © . All Rights Reserved 2024 Color, Additives and Inks – strategic drivers Digital for operational excellence and growth Amplify innovation Portfolio prioritization Leadership, talent and culture for the Avient of the future 1.