Nutritional components in dairy products are photosensitive, making them susceptible to light degradation • Light protection in dairy packaging helps maintain product integrity and extend shelf life A LIGHT BLOCKING SOLUTION THAT PROVIDES: • Light blocking and whiteness in PET dairy packaging • Protection from 2 weeks up to 12 months shelf life • Compatibility with monolayer and multilayer PET preforms • Full compatibility with rPET • Food contact approved (region dependent) • Low TiO₂ levels to increase recyclability, aligning with the emergence of white recycle streams PASTEURIZED MILK Typical shelf life 5–10 days WHITE COLOR LACTRA ESL LACTRA SX or LACTRA 4 EXTENDED SHELF LIFE MILK Typical shelf life 2 weeks–3 months UHT MILK & PRODUCTS Typical shelf life 4–12 months Lightweighting/CO2 reduction Reduced LDR – material & cost savings Improved processing performance BENEFITS OF COLORMATRIX™ LACTRA™ Improved bottle performance Compatibility with rPET Helps to Protect Performance Energy efficiency Whiteness 85–92 L* 30% less life cycle emissions Increased machinery life cycle due to reduced wear & tear 80–100% light blocking performance © 2024, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012

Toluca 2000 Toluca, Estado de México 50233 México IATF 16949:2016 The Quality Management System is applicable to: Certificate No: 63431 Effective Date: 25 February 2022 Expiration Date: 24 February 2025 Revision Date: 25 February 2022 IATF No: 0444538 Dominic Townsend, President DESIGN AND MANUFACTURE OF COLOR CONCENTRATES (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 2 ABS Quality Evaluations Avient de México, S.A. de C.V.

Three Months Ended September 30, Nine Months Ended September 30, 2022 2021 2022 2021 Sales: Color, Additives and Inks $ 565.6 $ 586.6 $ 1,864.2 $ 1,820.3 Specialty Engineered Materials 258.2 231.7 743.6 685.3 Corporate and eliminations (0.5) (0.3) (1.3) 2.9 Sales $ 823.3 $ 818.0 $ 2,606.5 $ 2,508.5 Gross margin: Color, Additives and Inks $ 161.3 $ 172.1 $ 546.8 $ 563.0 Specialty Engineered Materials 66.9 61.4 201.3 192.6 Corporate and eliminations (32.8) (17.9) (37.4) (28.3) Gross margin $ 195.4 $ 215.6 $ 710.7 $ 727.3 Selling and administrative expense: Color, Additives and Inks $ 92.7 $ 105.3 $ 290.1 $ 321.1 Specialty Engineered Materials 35.5 31.4 96.4 94.2 Corporate and eliminations 26.6 26.1 81.3 82.4 Selling and administrative expense $ 154.8 $ 162.8 $ 467.8 $ 497.7 Operating income: Color, Additives and Inks $ 68.6 $ 66.8 $ 256.7 $ 241.9 Specialty Engineered Materials 31.4 30.0 104.9 98.4 Corporate and eliminations (59.4) (44.0) (118.7) (110.7) Operating income $ 40.6 $ 52.8 $ 242.9 $ 229.6 Depreciation & amortization: Color, Additives and Inks $ 24.2 $ 26.6 $ 76.1 $ 79.2 Specialty Engineered Materials 12.9 7.9 28.4 23.8 Corporate and eliminations 2.7 2.1 9.2 4.1 Depreciation & Amortization $ 39.8 $ 36.6 $ 113.7 $ 107.1 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 92.8 $ 93.4 $ 332.8 $ 321.1 Specialty Engineered Materials 44.3 37.9 133.3 122.2 Corporate and eliminations (56.7) (41.9) (109.5) (106.6) Other (expense) income, net (32.3) 1.6 (31.3) 4.3 EBITDA $ 48.1 $ 91.0 $ 325.3 $ 341.0 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.

& Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 40% 37% 18% 5% 6% 8% 24% 20% 10% 15% 9% 4% 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. WHAT WE DO: WE ARE A FORMULATOR CUSTOM FORMULATION 6 N OVE MBE R 2 , 2023 W E BCAS T P RE S E N TAT I O N Complementary technologies and customer relationships offer opportunity to advance commercial strategy Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications AVIENT PROTECTIVE MATERIALS FIRST YEAR 8 Composites comprises over half of Specialty Engineered Materials, compared to 9% in 2016 Proven history of success in areas such as outdoor high performance, defense and sustainable solutions Composites 44% 56% 2023E Sales Collaboration & InnovationComposites as a % of SEM People & Culture Talented, passionate, and creative associates drive continued integration success and allow two cultures to come together as one Avient Lightweight Protective Laminates: PROJECTILE PROTECTION Dyneema® Fiber Solutions Cushioning + Fit + Comfort: LONG-TERM WEAR reSound™ Versaflex™ Thermoplastic Elastomers Strength + Durability + Light-Weighting: SOLID MOUNTING BRACKETS Nymax™ Bergamid™ Complēt™ Engineered Materials Durability + Lubricity: HELMET LATCHES Lubri-One™ Internally Lubricated Polymers Color Consistency and Weatherability CUSTOMIZED SPECIFICATIONS Avient Color and Additive Solutions Antennae Performance FAST, RELIABLE CONNECTIONS PREPERM™ Low-Loss Dielectric Thermoplastics AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES Wired Connections CONSTANT COMMUNICATION Syncure™ Cross-linkable Wire & Cable Formulations9 10 AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES 10 Q 3 P E RFO RMAN CE 15.4% 16.3% 2022 PF 2023 Results vs. Avient 2011, 2018 and 2021 multiples reflect trailing 12 months EBITDA at December 31. 28 EV / 2023E EBITDA 6.5 8.5 11.0 10.8 16.1 15.5 14.1 14.0 10.3 21.0 19.0 14.3 12.1 11.8 11.7 11.5 9.7 20 11 20 18 20 21 20 23 R PM AV Y PP G KW R FU L EC L H XL SC L C E FM C AS H H U N EM N Avient Historic Multiple Avient Specialty Formulators Other Specialty / Chemical Companies AP P E N DI X 30 Performance Additives 16% Pigments 12% TiO2 10% Dyestuffs 2% Polyethylene 11% Nylon 6% Polypropylene 5% Styrenic Block Copolymer 5% Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 2022 pro forma results for the acquisition of Avient Protective Materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 40% EMEA 37% Asia 18% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 20% Packaging 24% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 32 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2022 REVENUE | $2 .4 BILLION US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 33 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% COLOR, ADDITIVES & INKS 2022 PRO FORMA REVENUE | $1 .3 BILLION US & Canada 52% EMEA 35% Asia 13% 34 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% END MARKET REGION SPECIALTY ENGINEERED MATERIALS Packaging 32% Consumer 27% Healthcare 8% Industrial 14% Building & Construction 5% Telecommunications 3% Energy 1% Defense 1% Asia (18% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES Packaging 27% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 10% Energy 5% Defense 8% EMEA (37% of sales)Transportation 11% Packaging 13% Consumer 24% Healthcare 12% Industrial 15% Building & Construction 13% Energy 5% Defense 5% US & Canada (40% of sales) Transportation 7% Packaging 56% Consumer 23% Healthcare 4% Industrial 7% Building & Construction 4% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% 35 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.

Three Months Ended September 30, Nine Months Ended September 30, 2024 2023 2024 2023 Sales: Color, Additives and Inks $ 521.5 $ 486.5 $ 1,578.8 $ 1,548.0 Specialty Engineered Materials 294.6 267.9 917.1 878.4 Corporate (0.9) (0.7) (2.0) (2.6) Sales $ 815.2 $ 753.7 $ 2,493.9 $ 2,423.8 Gross margin: Color, Additives and Inks $ 172.8 $ 156.8 $ 528.5 $ 482.9 Specialty Engineered Materials 89.0 78.3 290.7 263.7 Corporate (0.4) (39.8) (22.0) (63.0) Gross margin $ 261.4 $ 195.3 $ 797.2 $ 683.6 Selling and administrative expense: Color, Additives and Inks $ 97.3 $ 92.3 $ 292.1 $ 284.8 Specialty Engineered Materials 52.6 48.0 158.1 150.6 Corporate 34.3 20.7 103.3 94.5 Selling and administrative expense $ 184.2 $ 161.0 $ 553.5 $ 529.9 Operating income: Color, Additives and Inks $ 75.5 $ 64.5 $ 236.4 $ 198.1 Specialty Engineered Materials 36.4 30.3 132.6 113.1 Corporate (34.7) (60.5) (125.3) (157.5) Operating income $ 77.2 $ 34.3 $ 243.7 $ 153.7 Depreciation & amortization: Color, Additives and Inks $ 21.9 $ 24.6 $ 65.6 $ 76.1 Specialty Engineered Materials 20.7 20.5 61.1 61.6 Corporate 2.5 1.3 7.6 6.8 Depreciation & amortization $ 45.1 $ 46.4 $ 134.3 $ 144.5 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 97.4 $ 89.1 $ 302.0 $ 274.2 Specialty Engineered Materials 57.1 50.8 193.7 174.7 Corporate (32.2) (59.2) (117.7) (150.7) Other (expense) income, net (0.3) 1.0 (2.1) 1.5 EBITDA from continuing operations $ 122.0 $ 81.7 $ 375.9 $ 299.7 Special items, before tax 9.7 43.2 44.0 92.2 Interest expense included in special items (1.3) (2.2) (2.3) (2.2) Depreciation & amortization included in special items (0.4) — (1.2) (1.9) Adjusted EBITDA $ 130.0 $ 122.7 $ 416.4 $ 387.8 12 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.

They also add important characteristics, such as SWELLCOAT® water-blocking, water repellence, adhe- sion, color, and wear and UV-resistance to these and many other applications.

No. 0514.01) 12/11/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION – ANALYTICAL SOLUTIONS 33587 Walker Road Avon Lake, OH 44012 Stephanie Mims Phone: 440 930 3499 MECHANICAL Valid To: September 30, 2025 Certificate Number: 0514.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following rubber and plastics tests: Test Description Test Method or Standard Brittleness Temperature (Impact) ASTM D746; ISO 812 Charpy Impact ISO 179-1 Color Determination by Spectrophotometer ASTM D2244, E1331; ISO 7724 Conditioning of Plastics for Testing ASTM D618; ISO 291 Deflection Temperature Under Flexural Load ASTM D648; ISO 75-1, -2 Durometer Hardness (Shore A and D) ASTM D2240; ISO 7619-1 Flexural Properties ASTM D790; ISO 178 Flow Rate (Extrusion Plastometer) ASTM D1238 (Procedures A and B); ISO 1133 Impact Resistance (Izod) ASTM D256; ISO 180 Instrumented Impact ASTM D3763; ISO 6603-2 Specific Gravity/Density ASTM D792 (Method A); ISO 1183-1 Specular Gloss ASTM D523; ISO 2813 Tackiness of Interior Materials BO 061-01 Tear Resistance ASTM D624, D1004; ISO 34 Tensile Properties ASTM D412 (Method A), D638, D882; ISO 37, 527-1, -2, -3, -4, -5 Xenon-Arc Exposure Testing ASTM D2565, G155; SAE J1885 (Withdrawn January 2008), J1960 (Withdrawn January 2008), J2412, J2527; BO-116-01 For the tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation.

In addition, the company will provide an update on the integration of the Clariant Color business, including future synergy capture, and a financial overview.

KEY CHARACTERISTICS • Part design freedom • Reduced tooling cost • Controlled laser transmission rate and weld width • Minimum heat affected zone • Gas tight weld line with no weld flash • Multiple color options MARKETS & APPLICATIONS Bergamid Laser Welding Solutions can meet the demanding technical requirements of laser welding for a range of markets & applications, including: • Automotive • Medical Devices • Consumer Goods • Houseware Applications PRODUCT BULLETIN www.avient.com Copyright © 2022, Avient Corporation.

It helps customers broaden their product portfolio under the same ISBM mold to differentiate their offerings.SmartBatch Frost Collection enables packaging customers to develop a soft, touchable, cool, and icy appearance, and give more design freedom with a wide range of color options.