Discover solutions for the range of transparent and translucent thermoplastics used in the automotive industry (typically PMMA and PC).

FX +8.5% FX -0.4% Total Avient +8.1% Note: Regional Sales Percentages exclude impact of foreign exchange COLOR, ADDITIVES & INKS SEGMENT $487 $522 $89 $97 (in millions) (in millions) 7 + 7% (+8% excluding FX) + 9% (+11% excluding FX) 18.3% +40 bps *18.7% * * Adjusted EBITDA Margin % • Sales growth driven by winning new product specifications in consumer & packaging, strong underlying demand in healthcare and improving demand in building & construction • Favorable mix and raw material deflation contributed to EBITDA margin expansion SPECIALTY ENGINEERED MATERIALS SEGMENT $268 $295 $51 $57 (in millions) (in millions) 8 • Sales growth driven by restocking in healthcare & consumer end markets and strong underlying demand for composite applications used in building & construction, energy and defense end markets • Favorable mix contributed to EBITDA margin expansion + 10% (+10% excluding FX) + 12% (+13% excluding FX) 19.0% +40 bps *19.4% * * Adjusted EBITDA Margin % 2024 G U IDA N CE FY 2024 GUIDANCE Previous (Aug 6) Current Adjusted EPS $2.55 to $2.70 $2.63 to $2.67 Adjusted EBITDA $515 to $540 million $525 to $530 million Interest Expense $105 million $104 million Adjusted Effective Tax Rate 23% to 25% 23% to 25% Capital Expenditures & Investment in S/4 Hana ~$140 million ~$140 million 10 11 • Investor Day to be held December 4, 2024 at the NYSE, beginning at 10AM • The focus will be to do a deep dive on the Company’s strategy • Registration and microsite will be available in early November 2024 AVIENT INVESTOR DAY AP P EN D IX 18 Performance Additives 15% Pigments TiO2 Dyestuffs Polyethylene 10%Nylon Polypropylene Styrenic Block Copolymer 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% 36% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% 23%Industrial Building and 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) 7% 20 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2023 REVENUE | $2 .0 B ILL ION 34% 37% 21% END MARKET REGION 21 34% 21% 15% Building & 1% Energy COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 B ILL ION 52% 35% 22 6%Industrial 12% 10% Defense Building & END MARKET REGION SPECIALTY ENGINEERED MATERIALS 32% 26% Building & 6% 2% Defense 1% (18% of sales) 2023 AVIENT REGIONAL SALES 25% Building & (36% of sales)Transportation 22% Building & 12% 6% US & Canada (41% of sales) 59% 22% Building & LATAM (5% of sales) 23 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.

Setting and periodically reviewing environmental objectives and targets assures excellence in environmental leadership. Our practices reinforce these imperatives, and our commitment to excellence in safety and health is absolute.

Setting and periodically reviewing environmental objectives and targets assures excellence in environmental leadership. Our commitment to excellence in safety and health is absolute.

THE SOLUTION Avient recommended Bergamid™ B70 G30H black TM-X PA 6 resin with 30 percent glass fiber reinforcement for its excellent mechanical properties and cost benefits. Excellent performance = customer satisfaction: The strength, impact resistance, low warpage and additional properties of Bergamid resin help ensure the part meets stringent OEM requirements and satisfies its customers

Key Features • High strength to weight ratio • Good creep resistance • High abrasion resistance • Excellent flex fatigue properties • Minimal moisture absorption • Excellent chemical resistance Disadvantages • Vectran® suffers from UV degradation, which causes strength loss and discoloration • Hair-like filaments tend to fray FIBER-LINE® PROCESS FOR VECTRAN® LIQUID CRYSTAL POLYMER • Coating • Twisting • Extrusion • Pultrusion • Precision Winding FIBER-LINE® VECTRAN® PRODUCTS • Strength Members • Ripcords • Belt & Hose Reinforcement Yarn • Industrial Fabric Yarn • Synthetic Wire Rope Abrasion  Yarn on Yarn Abrasion Ultraviolet (UV) Flame (Acid) (Alkali) (Organic Solvent) P P X P P P P Property UOM Value Breaking Tenacity g/d 23.0 Specific Gravity Ratio 1.40 Elongation @ Break % 3.8 Tensile Modulus g/d 600 Moisture Regain* %  

Key Features • High tenacity & modulus • Excellent abrasion & fatigue resistance • Excellent chemical & steam resistance • Very low creep • High thermal stability • Lower moisture regain than other para-aramids Disadvantages • Lower modulus compared to carbon and high modulus para-aramids • Poor UV resistance FIBER-LINE® PROCESS FOR TECHNORA® • Coating • Twisting • Polymer Jacket Extrusion • Stranding • Overbraiding • Precision Winding FIBER-LINE® TECHNORA® PRODUCTS • Ripcords • Strength Members • Industrial Fabric Yarn • Wire Harness Yarn • Drive Belt & Hose Reinforcement • Synthetic Wire Rope WHY TECHNORA®?

In addition to enhanced tackiness, this specialty material offers excellent abrasion and UV resistance, plus a skin-safe, non-abrasive finish. KEY CHARACTERISTICS • Excellent COF performance (both wet and dry) • Outstanding abrasion and UV resistance • Easily colorable • Custom formulations available to achieve specific performance properties • Injection moldable (can be overmolded) and extrudable • Retains properties and performance when immersed in salt water MARKETS & APPLICATIONS This grip-enhancing TPE is colorable and customizable to meet the look and functional requirements of a broad range of consumer applications.

KEY FEATURES • High mechanical performance • Excellent fatigue, stress-crack, oxidation and acid resistance • Very good flame retardance with low smoke and toxicity emissions • High temperature resistance and dimensional stability • Excellent chemical, hydrolysis and radiation resistance APPLICATIONS • Aerospace • Automotive • Appliance • Consumer • Industrial • Oil & Gas To learn more about Edgetek™ PEEK solutions, please visit avient.com or call +1.844.4AVIENT (+1.844.428.4368).

APPLICATION BULLETIN STRENGTH & FLEX Excellent Dimensional Stability, High Stiffness, Impact Resistance SOLUTION: Short & Long Fiber Formulations, Continuous Fiber Composite Tapes & Laminates DURABILITY Density, Stiffness, Strength SOLUTION: Short & Long Fiber Formulations SURFACE PROTECTION Performance Enhancements, Chemical Resistance SOLUTION: Scratch & Mar Resistance, UV Stable Additives TACTILE EXPERIENCE Soft Touch, Slip Resistance SOLUTION: Thermoplastic METAL REPLACEMENT High Stiffness-to-Weight Ratio, Lightweighting, Buoyancy SOLUTION: Continuous Filament Winding Technology EXTREME PERFORMANCE Waterproof Seals & Closures SOLUTION: Thermoplastic DYNAMIC COMFORT Durability, Customization, Shock Absorption SOLUTION: Thermoplastic Elastomers COLOR RESILIENCE Excellent Adhesion to Substrates, Weatherability SOLUTION: Plastisol Textile Inks FUNCTIONALITY High Stiffness, Structural Integrity, Metal Replacement SOLUTION: Short & Long Fiber Formulations, Continuous Fiber Composite Tapes & Laminates AESTHETIC APPEAL Custom Colors, Patterns & Tones SOLUTION: Custom Polymer Colorants, Specialty Additives RESILIENCE Weatherability, Longevity SOLUTION: Specialty Engineered Polymer Formulations STEM TO STERN OUTSTANDING FROM Explore the many ways polymers can help you innovate to meet evolving consumer demands and create thoughtfully designed paddlesports products that set your brand apart.