Exposure to finishing operations: One time exposure to elevated temperatures of up to 400°F (204°C) for 15 to 20 minutes, typical for the application of coatings, have no effect on the performance of the composite springs.

Microsoft PowerPoint - AVNT Mar 2023 Earnings Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) M A R C H 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. EPS (1) $0.14 $2.67 $3.04 2006 2018 2022PF TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards 90th percentile 84th ESG Ratings Performance 3 1 4 14 PEOPLE C U L T U R E I S E V E R Y T H I N G Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $17 million raised since 2010 Diversity & Inclusion 15 2022 RE SU LT S Q4 EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 17 $ millions CAI: Price / Mix 42 Inflation (20) SEM: Price / Mix 14 Inflation (10) Net Price Benefit 26 Wage and Energy Inflation (13) Clariant Color Integration Synergies 4 Incentives, Other Employee Costs 21 FX (10) Q4 2022 $107 Adjusted EBITDA Q4 2021 $ 132 Demand (50) Russia Import Sales (3) • Demand contraction especially prevalent in EMEA and Asia • Pricing continues to cover inflation of raw materials, wages and energy PROVEN TRACK RECORD OF STRONG AND IMPROVING FREE CASH FLOW GENERATION 18 • Periods of economic weakness have driven higher levels of cash generation due to working capital management • Anticipate continued strong free cash flow generation and conversion despite global uncertainty 78% 78% 80% 80% 81% 78% 84% 83% 80% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 2014 2015 2016 2017 2018 2019 2020 2021 2022 0 50 100 150 200 250 300 350 400 F re e C as h F lo w C o n ve rs io n F re e C as h F lo w FCF $ AVNT FCF Conversion % S&P FCF Conversion % Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. 2020 is pro forma for Clariant Color and 2022 is pro forma for Avient Protective Materials. $600 $592 2021 2022 $3.02 $3.04 2021 2022 FULL YEAR 2022 PERFORMANCE (TOTAL COMPANY PRO FORMA) 19 Sales Adjusted EBITDA $3,712 $3,653 2021 2022 -2% Adjusted EPS -1% + 1% (in millions) (in millions) (+4% excluding FX) (+5% excluding FX) (+9% excluding FX) FULL YEAR 2022 SEGMENT PERFORMANCE 20 CAI $2,402 $2,355 Sales ($ in millions) $409 $402 EBITDA SEM Pro Forma $1,308 $1,300 Sales $278 $272 EBITDA (+4% excluding FX) - 2% -1% (+5% excluding FX) - 2% (+4% excluding FX) - 2% (+2% excluding FX) PRO FORMA FULL YEAR EPS BRIDGE 21 Pro Forma 2021 Adjusted EPS 3.02$ Foreign Currency (0.23) Russia Import Sales (0.07) Outdoor High Performance (0.13) Color, Additives and Inks 0.18 Specialty Engineered Materials 0.24 Corporate Costs / Other 0.03 Pro Forma 2022 Adjusted EPS 3.04$ FULL YEAR EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 22 $ millions CAI: Price / Mix 247 Inflation (176) SEM: Price / Mix 121 Inflation (77) Net Price Benefit 115 Wage and Energy Inflation (47) Clariant Color Integration Synergies 23 Incentives, Other Employee Costs 43 FX (34) Full Year 2022 $592 Adjusted EBITDA Full Year 2021 $ 600 Demand (99) Russia Import Sales (9) • Demand primarily impacted by China lockdowns, 4th quarter industrywide destocking and declining consumer sentiment • Pricing outpaced inflation of raw materials, wages and energy 2023 G U IDA N CE $125 $530 Q1 FY $0.55 $2.40 Q1 FY 2023 GUIDANCE 24 Sales Adjusted EBITDA $845 $3,450 Q1 FY Adjusted EPS (in millions) (in millions) CASH FLOW / BALANCE SHEET 25 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ 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 K E Y G R O W T H D R I V E R S A N D T R A N S F O R M E D P O R T F O L I O GROWTH DRIVERS: PROVEN SUCCESS 27 (1) Pro forma for the acquisition of Avient Protective Materials (APM) COMPOSITES $51 $84 $212 $668 2016 2018 2020 2022 Long Term Growth Rate 10% Organic CAGR 10% HEALTHCARE $108 $113 $231 $293 2016 2018 2020 2022 Long Term Growth Rate 8-10% Organic CAGR 11% ASIA/EMERGING REGIONS $265 $358 $726 $830 2016 2018 2020 2022 Long Term Growth Rate 5% Organic CAGR 12% $340 $455 $790 2016 2018 2020 2022 $1,175 SUSTAINABLE SOLUTIONS Long Term Growth Rate 8-12% Organic CAGR 11% (1) (1)(1) (Sales in $ millions) #1 Color Formulator Dyneema® - World’s Strongest Fiber™ #1 in Composites applications for outdoor high performance #1 in Performance Inks Customized solutions 140+ PhDs on staff Rapid development of innovative products Extensive patent (2,500+) portfolio 33% Vitality Index Better-positioned toward stable, high-growth end markets Consumer, packaging, healthcare and defense comprise nearly 60% of sales Agnostic to raw materials, helping all customers achieve their goals Broad portfolio of diversified sustainable solutions 90%+ of our innovation pipeline invested in sustainable solutions Long-term growth rate well above GDP with expectations of 8-12% LEVERAGING OUR TRANSFORMED PORTFOLIO 28 Healthcare 8% Packaging 24% Consumer 20% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% 2022 PF $3.65B sales Defense 6% Leading Positions Sustainable SolutionsDiversified IndustriesSpecialty Formulator (1) 2022 Pro forma for the acquisition of Avient Protective Materials (2) 2020 Pro forma for the acquisition of Clariant Color (1)(2) (1) $340M $455M $790M 2016 2018 2020PF 2022PF $1,175M P EE R C O M PAR IS O N S AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of February 13, 2023 Note: Avient reflects 2023 estimated revenue of $3,450 and estimated run-rate CAPEX of $110M. 30 3 2 3 3 4 4 3 4 5 5 5 6 7 7 A vi en t K W R P P G F U L A V Y R P M F M C H U N H X L C E E C L A S H S C L E M N FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of February 13, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 32 EV / 2023E EBITDA Historic Multiple 6.5 8.3 10.0 15.6 13.9 13.7 12.8 9.5 18.0 17.5 12.3 10.2 9.7 8.8 8.4 5.9 A vi en t (2 01 1) A vi en t (2 01 8) A vi en t K W R P P G R P M A V Y F U L H X L E C L F M C A S H S C L H U N E M N C E RA W M AT ER IA L OVE RV IE W 34 RAW MATERIAL 2022 ANNUAL PURCHASES Performance Additives 16% Pigments 12% TiO2 11% Dyestuffs 2% Polyethylene 12% Nylon 6% Polypropylene 6% Styrenic Block Copolymer 5% Other Raw Materials 30% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials Excludes Avient Protective Materials 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 (1) Total company adjusted EBITDA of $592M includes corporate costs $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 36 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 US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 37 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 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 US & Canada 52% EMEA 35% Asia 13% REGION 38 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% 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 BY END MARKET 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% 39

MERCADOS Y APLICACIONES Las fórmulas de Versaflex PF, personalizables en función del nivel de adherencia deseado, se coextruyen con películas protectoras para proporcionar la cantidad justa de protección durante la fabricación, el montaje, el envío, el almacenamiento y la instalación de productos acabados en muchos sectores y aplicaciones de uso final, como las siguientes: • Películas ópticas y paneles de visualización para productos electrónicos de consumo. • Electrodomésticos. • Construcción y materiales de construcción. • Mobiliario y gabinetes. • Automoción y otros medios de transporte. 100/0 90/10 80/20 70/30 60/40 40/60 30/70 20/80 10/90 0/100 0,9 1,1 2,0 2,4 2,8 3,7 3,8 4,9 0 1 2 3 4 5 6 7 8 6,5 1,6 Versaflex PF MD6727 Versaflex PF MD6748 Versaflex PF MD6700 Versaflex PF MD6666 Versaflex PF 9512 Versaflex PF MD6649 Versaflex PF MD6741 0 2 4 6 8 10 12 % de MD6741/MD6700 El grado de adherencia puede personalizarse para superficies de sustrato. AJUSTAR LA ADHERENCIA MEZCLANDO VERSAFLEX PF Grosor de la película: LDPE de 39 micras/Versaflex PF de 13 micras F = �Adherencia final después de 7 días a 25° C i = �Adherencia inicial después de 20 minutos a 25° C Re si st en ci a al d es pr en di m ie nt o so br e ac er o, N /2 5 m m . Re si st en ci a al d es pr en di m ie nt o so br e ac er o, N /2 5 m m .

Forme juridique Société à responsabilité limitée Siège social Numéro 19 Rue route de Bastogne Code postal 9638 Localité Pommerloch Objet social Extrait de l'inscription : Pour le détail prière de se reporter au dossier La Société a pour objets : 3.1 d'agir en tant que société d'investissement et de coordonner l'activité de toutes les entités sociales dans lesquelles la Société détient à cet instant un intérêt direct ou indirect, et d'acquérir (que ce soit par souscription initiale, appel d'offres, achat, échange ou autrement) tout ou partie des titres, actions, emprunts obligataires, titres obligataires, obligations, et autres titres émis ou garantis par toute personne, et tous autres actifs de toutes sortes, et de détenir ces instruments comme investissements, et de les vendre, les échanger et en disposer; 3.2 d'exercer tout commerce ou activité commerciale de toute sorte et d'acquérir, entreprendre et exercer tout ou partie de l'activité commerciale, des actifs immobiliers et/ou des passifs de toute personne exerçant une activité commerciale; 3.3 d'investir et de gérer l'argent et les fonds de la Société de toute manière que le Gérant Unique ou le Conseil de Gérance (selon le cas) considère comme appropriée et de prêter de l'argent et accorder des crédits, dans chaque cas, à toute personne, que ce soit avec ou sans garantie; 3.4 d'emprunter, lever ou garantir le paiement d'argent de toute manière que le Conseil de Gérance (selon le cas) considère comme appropriée, y compris via l'émission (dans les limites autorisées par la Loi Luxembourgeoise) d'emprunts obligataires et autres titres ou Capital social / Fonds social Type Fixe Montant 13 100 Devise Euro Etat de libération Total Date de constitution 04/07/2018 Durée Illimitée Page 2 / 5 B226205 Exercice social Premier exercice ou exercice raccourci Exercice social Du 04/07/2018 Au 31/12/2018 Du 01/01 Au 31/12 Code NACE [1] 46.750 Commerce de gros de produits chimiques Associé(s) Avient Luxembourg S.à r.l. [2] Avient Luxembourg S.à r.l. Durée du mandat Date de nomination 05/07/2018 Durée du mandat Indéterminée Personne(s) chargée(s) du contrôle des comptes ERNST & YOUNG [2] ERNST & YOUNG N° d'immatriculation au RCS B47771 Dénomination ou raison sociale ERNST & YOUNG Forme juridique Société anonyme Siège social Numéro 35E Rue Avenue John F. Kennedy Code postal 1855 Localité Luxembourg Pays Luxembourg Type de mandat Réviseur d'entreprises agréé Durée du mandat Date de nomination 01/07/2021 Durée du mandat Déterminée Date d'expiration du mandat 01/07/2024 Page 5 / 5 B226205 Pour extrait conforme [3] Luxembourg, le 16/11/2021 Pour le gestionnaire du registre de commerce et des sociétés [4] [1] Information mise à jour mensuellement sur base de l'article 12§3 de la loi modifiée du 19 décembre 2002 concernant le registre de commerce et des sociétés ainsi que la comptabilité et les comptes annuels des entreprises. [2] L'inscription a été faite suite à la loi du 27/05/2016 portant réforme du régime de publication légale relatif aux sociétés et associations [3] En application de l'article 21 paragraphe 2 de la loi modifiée du 19 décembre 2002 concernant le registre de commerce et des sociétés ainsi que la comptabilité et les comptes annuels des entreprises et l'article 21 du règlement grand-ducal modifié du 23 janvier 2003 portant exécution de la loi du 19 décembre 2002, le présent formulaire reprend au moins la situation à jour des données communiquées au registre de commerce et des sociétés jusqu'à un jour avant la date d'émission dudit formulaire.

Gate type should be selected based on location and part geometry. 2. Half-round or standard trapezoid runners are not recommended. 2. Place vents at the end of fill and anywhere potential knit/weld lines will occur. 2.

Staying close to our customers to help them navigate the uncertain environment and execute their respective plans 2. Executing flawlessly and continue advancing our strategy while prioritizing investments and resources for our growth vectors 1. 2. 3. 4. 5. 6. All Rights Reserved 2025 16 Avient 2024 regional sales, by end market US & CANADA 41% of sales EMEA 35% of sales ASIA 18% of sales LATIN AMERICA 6% of sales 13% 22% 14% 9% 13% 10% 9% 6% 4% Packaging TelecomEnergyDefenseHealthcareBuilding & construction TransportationIndustrialConsumer 26% 13% 16% 13% 10% 5% 10% 5% 2% 31% 26% 14% 10% 5% 10% 1%1% 2% 61% 20% 7% 6% 4% 2% Copyright © .

Staying close to our customers to help them navigate the uncertain environment and execute their respective plans 2. Executing flawlessly and continue advancing our strategy while prioritizing investments and resources for our growth vectors 1. 2. 3. 4. 5. 6. All Rights Reserved 2025 16 Avient 2024 regional sales, by end market US & CANADA 41% of sales EMEA 35% of sales ASIA 18% of sales LATIN AMERICA 6% of sales 13% 22% 14% 9% 13% 10% 9% 6% 4% Packaging TelecomEnergyDefenseHealthcareBuilding & construction TransportationIndustrialConsumer 26% 13% 16% 13% 10% 5% 10% 5% 2% 31% 26% 14% 10% 5% 10% 1%1% 2% 61% 20% 7% 6% 4% 2% Copyright © .

Our UV protection additives help protect product efficacy during its shelf life. Protect your sensitive sun care formulas with UV additives, and keep your actuator buttons performing longer with chemically resistant TPE materials.

ECert.QECertificate Page 1 of 2 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. 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.

Bergmann GmbH Adolf-Dambach-Str. 2-4 76571 Gaggenau the introduction and application of a management system according to ISO 50001:2018 scope: Delelopment and production of technical Polymers; at the sites according to appendix. Bergmann GmbH Adolf-Dambach-Str. 2-4 76571 Gaggenau c/o Avient ECCOH High Performance Solutions GmbH Oldendorfer Straße 9, 49324 Melle Production of technical Polymers