$3.2B $526M 80+ 100+ 2011 63% 2024 sales by business segment Specialty Engineered Materials SEM Color, Additives & Inks CAI 2024 sales by end market 41% 35% 18% 2024 sales by region US, Canada LATAM EMEA PACKAGING 23% CONSUMER INDUSTRIAL TRANSPORTATION BUILDING & CONSTRUCTION HEALTHCARE DEFENSE ENERGY TELECOM 3% 2024 SALES 2024 ADJ. Color, Additives & Inks END MARKETS REGIONS 34% 21% 11% Packaging Telecom 1%Energy 1% 34% US & Canada Latin America Europe, Middle East Construction 25Copyright © . Three Months Ended December 31, 2024 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 48.3 $ 0.52 $ 27.8 $ 0.30 Special items, after-tax (18.0) (0.20) 5.4 0.06 Amortization expense, after-tax 14.8 0.17 15.0 0.16 Adjusted net income / EPS $ 45.1 $ 0.49 $ 48.2 $ 0.52 Year Ended December 31, 2024 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 169.5 $ 1.84 $ 75.8 $ 0.83 Special items, after-tax 15.9 0.17 79.3 0.86 Amortization expense, after-tax 59.5 0.65 61.5 0.67 Adjusted net income / EPS $ 244.9 $ 2.66 $ 216.6 $ 2.36 Three Months Ended Year Ended Reconciliation to EBITDA and Adjusted EBITDA: 2024 2023 2024 2023 Net income from continuing operations – GAAP $ 48.5 $ 27.6 $ 170.7 $ 76.3 Income tax expense (benefit) 14.8 (7.0) 54.1 11.0 Interest expense 25.5 26.8 105.6 115.3 Depreciation and amortization from continuing operations 45.4 44.2 179.7 188.8 EBITDA from continuing operations $ 134.2 $ 91.6 $ 510.1 $ 391.4 Special items, before tax (23.9) 22.4 20.1 114.6 Interest expense included in special items — (0.1) (2.3) (2.3) Depreciation and amortization included in special items (0.3) — (1.5) (1.9) Adjusted EBITDA $ 110.0 $ 113.9 $ 526.4 $ 501.8 Adjusted EBITDA as a percent of sales 14.7 % 15.8 % 16.2 % 16.0 % Three Months Ended Year Ended 2024 2023 2024 2023 Sales: Color, Additives and Inks $ 467.7 $ 459.4 $ 2,046.5 $ 2,007.4 Specialty Engineered Materials 279.7 259.8 1,196.8 1,138.2 Corporate (0.9) (0.2) (2.9) (2.8) Sales $ 746.5 $ 719.0 $ 3,240.4 $ 3,142.8 Gross margin: Color, Additives and Inks $ 152.6 $ 148.3 $ 681.1 $ 631.2 Specialty Engineered Materials 84.2 78.1 374.9 341.8 Corporate 22.7 (17.5) 0.7 (80.5) Gross margin $ 259.5 $ 208.9 $ 1,056.7 $ 892.5 Selling and administrative expense: Color, Additives and Inks $ 92.8 $ 86.5 $ 384.9 $ 371.3 Specialty Engineered Materials 49.6 48.7 207.7 199.3 Corporate 31.5 30.6 134.8 125.1 Selling and administrative expense $ 173.9 $ 165.8 $ 727.4 $ 695.7 Operating income: Color, Additives and Inks $ 59.8 $ 61.8 $ 296.2 $ 259.9 Specialty Engineered Materials 34.6 29.4 167.2 142.5 Corporate (8.8) (48.1) (134.1) (205.6) Operating income $ 85.6 $ 43.1 $ 329.3 $ 196.8 Depreciation and amortization: Color, Additives and Inks $ 21.9 $ 22.2 $ 87.5 $ 98.3 Specialty Engineered Materials 21.0 19.8 82.1 81.5 Corporate 2.5 2.2 10.1 9.0 Depreciation and amortization $ 45.4 $ 44.2 $ 179.7 $ 188.8 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 81.7 $ 84.0 $ 383.7 $ 358.2 Specialty Engineered Materials 55.6 49.2 249.3 224.0 Corporate (6.3) (45.9) (124.0) (196.6) Other income, net 3.2 4.3 1.1 5.8 EBITDA from continuing operations $ 134.2 $ 91.6 $ 510.1 $ 391.4 Special items, before tax (23.9) 22.4 20.1 114.6 Interest expense included in special items — (0.1) (2.3) (2.3) Depreciation and amortization included in special items (0.3) — (1.5) (1.9) Adjusted EBITDA $ 110.0 $ 113.9 $ 526.4 $ 501.8 2 Year Ended December 31, Adjusted Free Cash Flow Calculation 2024 2023 Cash provided by operating activities $ 256.8 $ 201.6 Taxes paid on gain on sale of business — 104.1 One-time payout associated with deferred compensation plans 20.8 — Adjusted cash provided by operating activities $ 277.6 $ 305.7 Capital expenditures (121.9) (119.4) Adjusted free cash flow $ 155.7 $ 186.3 Three Months Ended March 31, 2024 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 49.4 $ 0.54 Special items, after-tax 5.5 0.06 Amortization expense, after-tax 14.9 0.16 Adjusted net income / EPS $ 69.8 $ 0.76 3 AVNT February Investor Presentation_2_25.pdf Avient Investor Presentation - February 2025_w_Non-GAAP.pdf Avient February 2025 Investor Presentation_w_non-GAAP.pdf Non-GAAP- IR Deck - AVNT-2024.12.31 2.06.25 12PM.pdf Attachment

Further, the team developed a custom colorant that matched the automaker’s interior color specs, and then developed the final product so that the armrest could be molded in color.

Our Cesa™ Laser Marking Additives not only contain a laser marking additive but also deliver a part’s color and can include other additives such as those for scratch or UV resistance. The activation changes the molecular structure of these additives, causing a color change that provides the vivid contrast of laser marking. The mark can be white or dark in color.

FINGERPRINT DETECTOR H O U S I N G • Metallic effect • In-mold labeling replacement • Overmold on PC • Chemical resistance • Achieved metallic effects without secondary step of painting • Customized colors to achieve desired aesthetics of the design • Improved cost-effectiveness • Provided live technical support from concept to production Artisan™ AR7300-8001 M Silver Formulation KEY REQUIRMENTS WHY AVIENT ? https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/artisan-pre-colored-thermoplastics-paint-replacement

The company noted the following segment highlights: The Color, Additives and Inks segment delivered record operating income of $89 million during the first quarter, a 40% increase over the prior year. Sales: Color, Additives and Inks $ 609.3 $ 256.5 Specialty Engineered Materials 216.5 185.3 Distribution 362.7 289.5 Corporate and eliminations (26.2) (19.8) Sales $ 1,162.3 $ 711.5 Gross margin: Color, Additives and Inks $ 197.5 $ 89.4 Specialty Engineered Materials 64.7 52.6 Distribution 39.3 33.6 Corporate and eliminations 0.9 (4.1) Gross margin $ 302.4 $ 171.5 Selling and administrative expense: Color, Additives and Inks $ 108.7 $ 48.9 Specialty Engineered Materials 30.5 30.3 Distribution 15.3 14.2 Corporate and eliminations 27.5 25.3 Selling and administrative expense $ 182.0 $ 118.7 Color, Additives and Inks $ 88.8 $ 40.5 Specialty Engineered Materials 34.2 22.3 Distribution 24.0 19.4 Corporate and eliminations (26.6) (29.4) Operating income $ 120.4 $ 52.8 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 116.2 $ 51.4 Specialty Engineered Materials 42.0 29.8 Distribution 24.2 19.5 Corporate and eliminations (24.9) (28.0) Other income, net 1.5 1.6 EBITDA $ 159.0 $ 74.3 12 Attachment 7 Reconciliation of Non-GAAP Financial Measures (Unaudited) 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: Three Months Ended 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 December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Adjusted Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted 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 December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Adjusted Clariant MB Pro Forma Adjustments(3) Pro Forma Adjusted 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 Year Ended December 31, 2021 2020 2020 2019 2018 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 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 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

Color, Color and More Color Manufacturers of equipment and apparel agree—a crisp pop of bright color adds just the right amount of visual interest needed to grab attention. Help them customize with materials that fit a wide variety of needs—from colors and patterns to textures and soft touch materials—and keep you ahead of the pack

Avient Colorants Germany GmbH Hohenrhein 1 56112 Lahnstein Germany Scope Production of Color Concentrates and Compounds Normative base ISO 50001:2018 Energy Management System Reg. no. 46089 Validity 17. 12. 2020 – 16. 12. 2023 Issue 12. 04. 2021 Swiss Made Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland sqs.ch F.

MEDICAL CONTRACT MANUFACTURER A U T O - I N J E C T O R H O U S I N G • Excellent chemical and wear resistance • Excellent impact resistance • Specific color matching based on customer’s needs • Outstanding durability to extend product life • Customized a chemically resistant formulation to offer an impact-modified alternative to traditional competitors in the market • Provided technical support for material selection, part & tool design, and process development to accelerate commercialization • Delivered custom color matching to meet all key requirements Custom Trilliant™ HC Healthcare Thermoplastic KEY REQUIREMENTS WHY AVIENT?

RECREATIONAL EQUIPMENT MANUFACTURER P L A Y G R O U N D E Q U I P M E N T • Protection from harsh elements and weathering • Coating solution to protect children against metal abrasions • Range of bright colors • Formulated without phthalates • Provided vinyl coating solutions to protect against the effects of harsh weather, and to protect children from potential scrapes and scratches • Incorporated antimicrobial and UV additives to resist mold growth • Offered brightly colored, non-phthalate plastisol formulations CORE™ Non-Phthalate Plastisols KEY REQUIREMENTS WHY AVIENT?

TIER 1 SUPPLIER V E H I C L E H V A C S Y S T E M • Rapidly develop formulations for 7 types of thermoplastic • Help Tier 1 meet VW requirements for anti-static solutions • Able to quickly develop 7 SmartBatch (color + effect additive) solutions, for 7 types of thermoplastic • Avient formulated the TPE used in the air vents for this HVAC system SmartBatch™ Combination Colorants and Additives, Cesa™ Stat Additives, and OnFlex™ TPE KEY REQUIREMENTS WHY AVIENT?