NYSE: AVNT) AVIENT CORPORATION I N V E S T O R M E E T I N G S M AY 2 0 2 2 DISCLAIMER Forward-Looking Statements In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. WHAT WE DO: MATERIAL SCIENCE CUSTOM FORMULATION SUSTAINABILITY FOR A BETTER TOMORROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales *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 Color business Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 6 AVIENT ESG RATINGS Sustainalytics 2021 ESG Risk Ranking RANK (1st = lowest risk) PERCENTILE (1st – lowest risk) Chemicals INDUSTRY 75/449 17th Specialty Chemicals SUBINDUSTRY 21/124 17th ISS March 2022 ESG Scores SCORE (1 = Best, 10 = Worst) Environmental 2 Social 1 Governance 4 777 F I RS T Q UART E R 2022 RE S U LT S $123 $136 $0.89 $0.99 Q1 2022 PERFORMANCE 9 $1,162 $1,294 (+ 14% excluding FX) Adjusted EPS (+ 15% excluding FX) (+ 16% excluding FX) (in millions) (in millions) Sales Adjusted Operating Income Q1 2022 SEGMENT PERFORMANCE 10 CAI $609 $650 SEM Distribution $89 $95 + 7% (+ 10% excluding FX) $363 $433 $24 $24 + 19% Flat $217 $245 $34 $40 + 7% (+ 11% excluding FX) + 13% (+ 17% excluding FX) + 18% (+ 20% excluding FX) Q1 2021 $1,162 $123 Sustainable Solutions 19 8% 7 Healthcare 32 21% 6 Composites (excl. OUR VALUATION VERSUS PEERS Avient Specialty Other 5.4 8.5 10.1 9.8 13.8 12.8 12.1 11.8 10.2 21.0 19.2 16.8 13.7 13.6 8.8 8.7 8.7 8.3 8.0 5.6 01 1) 01 6) 02 1) (T od ay ) PM PP AV VR C Historic Multiple APPENDIX Performance Additives 15% Pigments TiO2 Dyestuffs 3%Polyethylene Nylon 6% Polypropylene Other Raw Materials 30% Styrenic Block Copolymer ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 48 • Significant raw material price inflation and tight inventory continued in Q1 2022 o The average cost of hydrocarbon based materials was up 30% o The average cost of non-hydrocarbon based materials was up 20% • Additionally, we continued to experience other supply chain challenges during Q1 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 2021 purchases, excludes Distribution business SEGMENT DATA U.S. & Canada 50% Latin America 2021 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 23% 19% Building and END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $4,819M and $581M, respectively, include intercompany sales eliminations and corporate costs $2,402M $409M $919M $164M $1,631M $94M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $581M$4,819M 15% 34% Building & 1% Telecommunications C O L O R , A D D I T I V E S & I N K S 2021 REVENUE | $2 .4 BILLION 32% 40% Latin America END MARKET REGION 51 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 27% Building & 2021 REVENUE | $919 MILLION END MARKET 55% REGION 52 DI S T RI BU T I O N 26% 23% Building and 80% 3% Latin America END MARKET REGION K EY SU PPL IER S 2021 REVENUE | $1 .6 BILLION 53 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET 30% 26%Healthcare 14% Building & 2% Energy (16% of sales) 32% Building & (25% of sales) 54 19% Building & US & Canada (50% of sales) 38% 33% Building & LATAM (9% of sales) 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.

Investor Day POLYONE I N V E S T O R P R E S E N T A T I O N S E P T E M B E R 2 0 1 9 FORWARD LOOKING STATEMENTS PolyOne Corporation 2 In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 Injuries per 100 Workers Spartech Acquisition 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PolyOne Corporation 6 P O L Y O N E P O S T P P & S D I V E S T M E N T 2 0 1 8 R E V E N U E | $ 2 . 9 B I L L I O N Segment End Market Geography 17% Wire & Cable Building & Electrical & Color Additives & Inks 35% Distribution 43% Specialty Engineered 22% United States 53% Europe 19% Latin America 2009 2010 2011 2012 2013 2014 2015 2016* 2017* 2018 $2.43 P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S PolyOne Corporation 7 9 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 *Pro Forma for sale of DSS ROIC** 5.0% 14.1% Operating Income % of Sales Color, Additives & Inks 1.7% 15.1% Specialty Engineered Materials 1.1% 11.2% Performance Products & Solutions 4.3% 10.0% Distribution 2.6% 5.6% **ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period A D J U S T E D E P S E X P A N S I O N S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 8 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 5-7% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 531 710130 164 504 663 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 34% + 26% + 32% I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G G R O W T H Sustained revenue increases led by organic business $2.9 $2.9 $3.2 $3.5 2015 2016 2017 2018 Total + 9% Organic + 5% Revenue in billions of $ Total + 10% Organic + 7% Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 10 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 11 Investments in digital and dedicated inside sales to improve customer experience 110% increase in leads (from 6,000 to 12,700) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 24 Inside sellers $11M $109M Inside sales/digital revenue A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 12 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection I N N O V A T I O N PolyOne Corporation 13 Customization 55% M&A 30% Innovation Pipeline Innovation comes from Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years 35% $20 $56 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 14 Incremental development from existing base of technology New development adjacent to current New technology development outside of and with our current base Service adjacent markets and Create new markets, target new customer needs Service existing markets and Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives PlastiComp Fiber-Line I N N O V A T I O N P I P E L I N E PolyOne Corporation 15 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2017) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 8 2 44 0 4 Breakthrough Platform Derivative Number of Projects 10 5 17 5 10 47 Total Addressable Market ($ millions) - - $1,767 $315 $766 $2,848 F L A M E R E T A R D A N T P O L Y M E R S A D V A N C E D C O M P O S I T E S B A R R I E R M A T E R I A L S C O L O R A N T T E C H N O L O G I E S T H E R M O P L A S T I C E L A S T O M E R S I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 16 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 17 Polymer Composite Strength Design Flexibility Continuous Fiber Thermoset Short Glass Fiber Thermoplastics Continuous Fiber Long Glass Fiber Thermoplastics S T R A T E G I C I N V E S T M E N T H I S T O R Y Acquired Polystrand Installed LFT production Avon Lake Acquired Gordon Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets Long Fiber Thermoplastic (LFT) Installed LFT production Barbastro, Spain Acquired Glasforms Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2012 2015 20162009 2011 Acquired PlastiComp, specialty LFT producer PolyOne Corporation 2019 Acquired Fiber-Line, specialty fiber processor 18 C O M P O S I T E S I N T R A N S P O R T A T I O N PolyOne Corporation 19 W A T E R C R A F TR A I L H E A V Y T R U C K Bulkheads and Transoms Ceilings and Hatches Doors and Cabinetry Flooring Door Panels Side Walls Flooring & Side Panels Aerodynamic Fairings Seat and Bunk Reinforcements F I B E R - L I N E H I G H L I G H T S PolyOne Corporation 20 71% 1% 2018PF Sales by Market Fiber Optics Oil & Gas Estimated 2019 Sales: $100M • Abrasion resistance • Adhesion enhancement • Anti-microbial • Chemical resistance • Color • Conductivity • Fire retardant • Glow-in-the- dark • Process enhancement • UV inhibitor • Water swellable • Water repellency • Entangling • Extrusion • Pultrusion • Twisting • Winding • Braiding • Stranding High Performance Fiber and Polymers Suppliers Customer Value Coating Processing Fiber-Line Bare and Coated Fiber and Composite Rod Customers Fiber Processing Capabilities Polymer Formulation Capabilities P O L Y O N E A P P L I C A T I O N S I N F I B E R O P T I C C A B L E S PolyOne Corporation 21 1. Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating margins Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 25 Commercial Resources Operating Income ($ in millions) Operating Margins 243 340 $36 $96 20% Established Acquisitions (> 7 years) + 40% + 165% + 900 bps I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 26 Commercial Resources Operating Income ($ in millions) Operating Margins 138 181 251 $23 $25 $70 7% 8% 18-20% Recent Acquisitions PolyOne Corporation 27 Average Company Size # of Possibilities Rationale 250 • Local to regional footprint • Niche technology focus • Concentrated customer base $50M–$200M 150 • Regional to global footprint • 1–3 specialty technologies • Diversified customer base >$200M 30 • Global footprint with local service • Diverse specialty technologies • Highly diversified customer & market portfolio S T R O N G P I P E L I N E D R I V E N B Y F R A G M E N T E D M A R K E T $0 $150 $300 $450 $600 $750 $900 2011 2012 2013 2014 2015 2016 2017 2018 $890M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 1 . 2 B I L L I O N S I N C E 2 0 1 1 PolyOne Corporation $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.70 $0.78 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 3-Year Dividend Plan Cumulative Share Repurchases (In millions) Increasing Annual Dividend 28 6.3% 14.1% 16-17% 2009 2018 Updated Expectations R O I C D R I V E S S H A R E H O L D E R R E T U R N PolyOne Corporation 29 PolyOne Corporation 30 W H Y I N V E S T I N P O L Y O N E ?

Peel, PLI - 17 22 20 17 OM Max. Peel, PLI 12 19 23 20 19 reSound OM 5510 for PP reSound OM 5510-60N Room Temperature 70C Bio-derived Content (%) 50% 50% 50% 50% 50% 50% 50% Hardness, Shore A 60 60 60 60 60 60 60 Specific Gravity 0.89 0.89 0.89 0.89 0.89 0.89 0.90 50% Modulus, PSI 247 241 244 251 234 244 240 100% Modulus, PSI 343 333 338 339 321 331 326 Tensile Strength, PSI 625 621 647 610 633 662 642 Elongation, % 306 314 309 313 312 315 315 Tear Strength, PLI 109 108 113 113 111 117 115 reSound OM 5520-55N Room Temperature 70C Bio-derived Content (%) 49% 49% 49% 49% 49% 49% 49% Hardness, Shore A 54 54 55 55 54 55 56 Specific Gravity 0.95 0.95 0.96 0.96 0.95 0.96 0.96 50% Modulus, PSI 258 256 256 265 266 271 257 100% Modulus, PSI 353 355 357 362 373 379 367 Tensile strength, PSI 637 615 637 669 651 674 642 Elongation, % 319 315 319 333 313 319 315 Tear Strength, PLI 146 136 133 142 137 138 141 reSound OM 5510-45N Room Temperature 70C Bio-derived Content (%) 40% 40% 40% 40% 40% 40% 40% Hardness, Shore A 45 46 47 46 46 45 45 Specific Gravity 0.88 0.89 0.89 0.89 0.89 0.89 0.90 50% Modulus, PSI 153 158 154 162 137 136 133 100% Modulus, PSI 251 259 259 261 226 222 218 Tensile Strength, PSI 438 481 451 495 417 470 486 Elongation, % 215 240 211 243 204 227 238 Tear Strength, PLI 84 81 87 82 83 85 84 AGING – PROPERTY RETENTION • Tested at room temperature and 70° C for comparison • Hardness, tensile strength elongation and modulus showed great retention Overmolding onto PP Overmolding onto ABS RHEOLOGY Suitable for injection molding and overmolding 1.0 10 100 1000 10000 100000 10.0 100.0 1000.0 reSound OM 5510-30N reSound OM 5510-45N reSound OM 5510-60N reSound OM 5510-70N Shear Rate, 1/s Ca pi lla ry V is co si ty , P a* s 1.0 10 100 1000 10000 100000 10.0 100.0 1000.0 reSound OM 5520-55N Shear Rate, 1/s Ca pi lla ry V is co si ty , P a* s Capillary viscosity at 200°C Capillary viscosity at 200°C reSound OM 5510 for PP reSound OM 5520 for ABS www.avient.com Copyright © 2020, Avient Corporation.

C er ti fi ed M anagement System s by Switzerland Certificate The SQS herewith attests that the organisation named below has a management system that meets the requirements of the normative base mentioned. 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.

C er ti fi ed M anagement System s by Switzerland Certificate The SQS herewith attests that the organisation named below has a management system that meets the requirements of the normative basis mentioned. Avient Colorants USA LLC 17 Foss Rd.

All Rights Reserved 2025 4 Q1 2025 organic revenue growth - by region (3%) +2% +9% +17% Year-over-year revenue growth, excludes the impact of foreign exchange US & Canada Europe, Middle East & Africa Asia Latin America 5Copyright © . All Rights Reserved 2025 Avient 2024 sales B U S I N E S S S E G M E N T S E N D M A R K E T S R E G I O N S 63% 37% S E M C A I 23% 20% 15% 10% 10% 8% 7% 4% 3% Packaging Telecom Energy Defense Healthcare Building & construction Transportation Industrial Consumer 41% 35% 18% 6% US & Canada Latin America Asia Europe, Middle East and Africa 14Copyright © . All Rights Reserved 2025 Specialty Engineered Materials E N D M A R K E T S R E G I O N S 20% 17% 14%13% 9% 9% 7% 7% 4% Defense Packaging Telecom Building & construction Transportation Industrial Consumer 54% 33% 13% US & Canada Asia Europe, Middle East and Africa Energy Healthcare Copyright © .

AVIENT CORPORATION F I R S T Q U A R T E R 2 0 2 3 R E S U L T S (NYSE: AVNT) M AY 3 , 2 0 2 3 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. GUIDANCE 7 14.8% 15.8% Adjusted EBITDA Margin % Better-than-expected margins driven by: • Resilient demand for composites and sustainable solutions which improved mix of higher margin applications • Deceleration of raw material inflation • Cost reduction activities Q1 EBITDA BRIDGE 8 $ millions CAI: Price / Mix 19) Inflation (4) SEM: Price / Mix 6) Inflation (4) Net Price Benefit 17) Wage and Energy Inflation (13) Cost Reductions 8) FX (6) Q1 2023 Actual $134) Adjusted EBITDA Q1 2022 Pro Forma $ 176) Demand (48) • Weak demand conditions in-line with previous expectations • Pricing continues to cover inflation of raw materials, wages and energy U.S. & Canada 40% 38% 17% Q1 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 18% 23% Building and 6%Telecommunications END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $846M and $134M, respectively, include intercompany sales eliminations and corporate costs $537M $91M $310M $64M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $134M$846M (1) 9 Q1 2023 SALES BY REGION Yo Y C H A N G E ( E X C L . National Defense budget of $842 billion submitted to Congress in Q1 2023 • European NATO members annual defense spend expected to increase by up to 20%  Dyneema® is the world’s strongest fiber™  One of the highest strength to weight ratios of any material on Earth  Direct relationships with industry leading armor manufacturers  Resistant to most chemicals, UV, and moisture to handle any environment Avient Confidential 13 DEFENSE Source: US Department of Defense, defense.gov, NATO13 Source: TRANSPORTATION • Increased EPA regulations requiring improved fuel efficiency, enabled in part by lower-weight vehicles • Automakers preparing for 2/3 of U.S. vehicles to be 100% electric by 2032  Lightweight panels that establish both strength and stiffness resulting in decreased energy usage, lower emissions  Long-lasting Color applications to resist UV exposure, temperature fluctuations and exceed the stylistic requirements of global automakers 14 $130 $530 $0.60 $2.40 2023 GUIDANCE 15 Sales Adjusted EBITDA $845 $3,400 Adjusted EPS (in millions) (in millions) CASH FLOW / LEVERAGE 16 • Maintaining free cash flow and leverage guidance from February earnings call • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ millions) 2023E Cash Flow from Operating Activities 350$ Less: Run-Rate CapEx (110) CapEx for IT System Upgrade (25) CapEx for Restructuring (15) Total CapEx (150) Free Cash Flow 200$ Adjusted EBITDA 530$ Net Debt / Adjusted EBITDA 2.9x LONG-TERM REVENUE GROWTH DRIVERS Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Healthcare 8–10% Composites 10% Asia / LATAM 5% Other (GDP growth) 2–3% Avient 6.5% 17 Sustainable Solutions 32% Asia / LATAM Composites Other (GDP Growth) 39% • Virtual presentation to be held September 20, 2023 • The company will be conducting an investor-focused presentation around our sustainability solutions portfolio Avient Confidential 18 SUSTAINABILITY INVESTOR DAY 18 $340M $405M $455M $550M $790M $915M 2016 2017 2018 2019 2020PF** 2021 2022PF*** SUSTAINABILITY FOR A BETTER TOMORROW Revenue From Sustainable Solutions* 2016-2022 ($ in millions) Organic Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 19 *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 Color business ***2022 is Pro Forma for the acquisition of Avient Protective Materials and the divestiture of Distribution $1,175M Lightweighting Eco-Conscious Recycle Solutions VOC Reduction Sustainable Infrastructure Human Health & Safety Reduced Energy Use Bio-polymers SUSTAINABILITY NEEDS BY MARKET B&C • Eco-Conscious • Carbon footprint • Resource conservation • Carbon footprint • Bio based content • Eco-Conscious Automotive • Light weighting • Recycled Content • VOC reduction • Recycle Solutions • Carbon Footprint Packaging • Recycle Solutions • Food waste reduction Common Theme: CO2 Emission Goals Increasing Single-Use Plastic Regulation 20 INVESTING IN INNOVATION S U S T A I N A B I L I T Y P O R T F O L I O 21 AP P EN D IX 24 RAW MATERIAL 2022 ANNUAL PURCHASES Performance Additives Pigments 12% TiO2 Dyestuffs 2% Polyethylene Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials • Cost inflation decelerating, particularly for hydrocarbon-based raw materials 2022 pro forma results for the acquisition of Avient Protective Materials SEGMENT DATA U.S. & Canada 40% 37% 18% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 24% Building and END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) 9% 26 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .4 B ILL ION 34% 38% END MARKET REGION 27 34% 21% Building & 1% Energy 2% 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 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET 52% 35% REGION 28 19% 8%Industrial 9% Defense Building & 32% 27% 14% Building & 3% 1% Defense 1% (18% of sales) 9% 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET 27% 14% 17% Building & (37% of sales)Transportation 24% 12% Building & US & Canada (40% of sales) 56% 23% Building & 1% LATAM (5% of sales) 3% 29 PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Other Specialty / Note: Avient reflects 2023 estimated revenue of $3,400 and estimated run-rate CAPEX of $110M. 31 4 4 5 5 5 6 7 9 FREE CASH FLOW CONVERSION Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

ABS Quality Evaluations Certificate Of Conformance This is to certify that the Environment Management System of: PolyOne de Mexico Manufacturing S. Certificate No: 53068 Certification Date: 18 December 2015 Effective Date: 14 December 2018 Expiration Date: 17 December 2021 Issue Date: 14 December 2018 Alex Weisselberg, President Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

View PDF The SQS herewith attests that the organisation named below has a management system that meets the requirements of the normative base mentioned. 70 01 _1 /A pr il 20 22 /V er si on 2 .0 Certificate 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 Page 1 of 1 Validity 17. 12. 2023  – 16. 12. 2026 Issue 17. 12. 2023  A.Grisard, President SQS F.

Microsoft Word - Terms and Conditions of Sale for Hong Kong (12-17-24) TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. Seller has based any recommendations to Buyer upon information that Seller considers reliable, but Seller makes no warranty as to any results Buyer might obtain in Buyer’s use(s) for the Product. Terms and Conditions (December 17, 2024)