innebär att det är olagligt att befatta sig med någon som helst form av korruption eller bestickning och kräver att företag upprätthåller räkenskaper samt redovisnings- och bokföringshandlingar i rimlig detalj. Avient varken erbjuder eller tar emot någon som helst form av betalningar av smörjpengar eller kickbacks till eller från offentliga tjänstemän, kunder, leverantörer eller andra affärspartners. subject= http://avient.ethicspoint.com 6 Snabbreferens: BEKÄMPANDE AV MUTOR OCH KORRUPTION – VAD DU BÖR GÖRA OCH INTE GÖRA VAD DU BÖR GÖRA • Var medveten om att Avient förbjuder all form av bestickning och korruption och inte heller tillåter betalningar för smörjpengar

Bien que les lois varient d’un pays à l’autre, elles rendent illégale toute forme de corruption et obligent les entreprises à tenir des livres, des registres et des comptes suffisamment détaillés. Protection contre les représailles Les représailles, sous quelque forme que ce soit, à l’encontre d’un employé qui a, de bonne foi, signalé une infraction ou une infraction possible de la présente politique sont strictement interdites. subject= http://avient.ethicspoint.com 6 Guide de référence rapide : LES CHOSES À FAIRE ET À NE PAS FAIRE EN MATIÈRE DE LC CHOSES À FAIRE… • Savoir qu’Avient interdit toute forme de corruption et ne permet pas de paiements de facilitation

Bien que les lois de chaque pays varient, ces lois interdisent de s’engager dans toute forme de corruption ou de dessous-de-table et exigent que les entreprises tiennent des livres, registres et comptes raisonnablement détaillés. Cette interdiction s’applique, que l’offre ou le paiement soit effectué directement ou par l’intermédiaire d’une autre personne. 2 Cela comprend tout représentant officiel public ou employé du secteur privé Table des matières 2 Afin de se conformer aux lois ABAC, nul collaborateur ou tiers agissant pour le compte d’Avient ne doit en aucun cas offrir ou recevoir de quiconque, directement ou indirectement, toute forme de cadeau, divertissement ou toute chose de valeur lorsque le pot-de-vin est destiné à : • obtenir ou conserver un marché ; • influencer des décisions commerciales ; • obtenir un avantage injuste. Protection contre les représailles Toute forme de représailles à l’encontre d’un employé qui a, de bonne foi, signalé une violation ou une violation potentielle de la présente Politique est strictement interdite.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf- life expiration, if any. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 19.

Microsoft PowerPoint - AVNT Q4 2023 Earnings Presentation v7 AVIENT CORPORATION F O U R T H Q U A R T E R 2 0 2 3 R E S U L T S A N D 2 0 2 4 F I N A N C I A L G U I D A N C E (NYSE: AVNT) F E B R U A R Y 1 4 , 2 0 2 4 D I S C L A I M E R 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. ASHISH KHANDPUR P R E S I D E N T & C E O 4 5 PORTFOLIO TRANSFORMATION 5 7% 46% 66% 87% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 2023 % o f A dj us te d E B IT D A Commodity JVs Distribution Performance Products & Solutions Specialty Businesses Adjusted EBITDA from Specialty Applications SUSTAINABILITY AS A GROWTH DRIVER 7 LONG-TERM REVENUE GROWTH DRIVERS Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other 60%+ Key Growth Drivers Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other 0–2% Avient 6% END MARKET OBSERVATIONS ( % O F C O M PA N Y S A L E S ) ENERGY 5% DEFENSE 7% TELECOMMUNICATIONS 4% HEALTHCARE 7% 8 TRANSPORTATION 10% INDUSTRIAL 16% BUILDING & CONSTRUCTION 9% CONSUMER 19% PACKAGING 23% 9 REGIONAL OBSERVATIONS ( % O F C O M PA N Y S A L E S ) 9 US & Canada Latin America EMEA Asia 41% 36% 18% 5% Q 4 2 0 2 3 R E S U L T S Q4 2023 PERFORMANCE VS. PY ( T O TA L C O M PA N Y ) $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 13 Q4 2023 SEGMENT PERFORMANCE 14 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 ( T O TA L C O M PA N Y ) 15 $ 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 2 0 2 4 G U I D A N C E 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 17 Q1 Adjusted EPS of $0.68 A P P E N D I X 20 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% 22 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2 0 2 3 R E V E N U E | $ 2 . 0 B I L L I O N US & Canada 34% EMEA 37% Asia 21% Latin America 8% END MARKET REGION 23 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR, ADDITIVES & INKS 2 0 2 3 R E V E N U E | $ 1 . 1 B I L L I O N US & Canada 52% EMEA 35% Asia 13% 24 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% 2 0 2 3 AV I E N T R E G I O N A L S A L E S 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% 25 B Y E N D M A R K E T 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.

Available in rolls of unidirectional tape as well as X-Ply™ 0°/90° and other multi-ply laminates, Polystrand materials can be post- formed and co-molded with mixed materials in thermoforming and injection molding processes to provide lightweight strength to a variety of part designs.

COLORMATRIX TRIPLE A™ Additive technology which reduces acetaldehyde levels in PET packaging TECHNICAL DESCRIPTION Acetaldehyde (AA) forms as a result of thermal degradation during PET melt-processing and can increase as temperature, pressure and shear in processing rises.

Avient offers a comprehensive portfolio of colorants and additives for nonwovens in the form of concentrates.

HOW4D DESIGN PROCESSU S E O U R 4 D P R O C E S S T O A C C E L E R AT E N E W P R O D U C T D E V E L O P M E N T SPECIALTY PORTFOLIO We combine design services with Avient’s materials portfolio to bring an unbiased, expert point of view to your design1 Color & Additives Engineered Materials Composites Soft Touch Distribution Rely on our technical expertise to validate that designs are manufacturable and materials will perform as intended once formed MANUFACTURING4 FEA/Moldflow/Mechanical SimulationDesign OptimizationDesign for Manufacturing Processing Expertise Supply Chain Development Visualize color, material and finish options using our exclusive tools and expertise3 COLOR, MATERIAL & FINISH (CMF)DESIGN Color & EffectsTexture/FinishApplication Development Material Specification 2 INDUSTRIALDESIGN From ergonomics and concept sketches to 3D models and photo rendering, you can count on our world-class studio to help you innovate Ethnography Brand Language Development Ergonomics & Usability Concept Sketching 3D Modeling 3D Prototypes Photo Renderings WANT TO LEARN MORE?

COLORANTS & ADDITIVES FOR HEALTHCARE Essential polymer solutions for critical healthcare applications WHEN MATERIAL EXPERTISE IS CRITICAL AESTHETIC APPEAL Regulatory compliant and approved masterbatch colors use custom polymer colorants to achieve any shade SPECIAL EFFECTS Enhance your brand and stand apart with pearlescent, metallic, iridescent, fluorescent or thermo-chromatic effects SOLID TO LIQUID SOLUTIONS Choose from a full range of available color solutions, from liquid color to solid product forms ANTIMICROBIALS Efficacy performance and regulatory requirements are met in a wide range of resins compatible with Withstand™ antimicrobial technology SURFACE ENERGY MODIFICATION Additive technologies such as low retention, hydrophobic, lubricious, light diffusion, or anti-stat provide desired surface manipulation Materials used for today’s medical devices, parts and pharmaceutical packaging contribute significantly to performance and, in turn, to a patient’s health and well-being.