CARPET PRODUCER N Y L O N C A R P E T • Antimicrobial effectiveness for residential and hospital carpets • Suitable for Bulked Continuous Filament (BCF) processed polyamide (nylon) • Limited impact on color • Quick development to address growing market needs for hygienic surface coverings • Developed efficient antimicrobial solution adapted to BCF processing for high-quality yarns • Reduced risk of discoloration with a smartbatch alternative • Leveraged global capabilities to offer quick development, trials and production quantities • Cesa™ Fiber Additives – antimicrobial additives KEY REQUIREMENTS WHY AVIENT?

OFF-ROAD VEHICLE MANUFACTURER S T R U C T U R A L B O D Y C O M P O N E N T S • Replace metal and consolidate parts • High strength • Structural stiffness • Durability • Reduced manufacturing complexity while maintaining strength • Leveraged Avient Design services to achieve consolidated part design • Conducted mold flow analysis and guided material selection using technical and application expertise Nymax™ REC Recycled Nylon Formulation – ND 1233 Grade KEY REQUIREMENTS WHY AVIENT?

AVIENT SOLUTION SWIMMING GEAR BRAND S W I M G O G G L E G A S K E T A N D N O S E B R I D G E • Bio-content material • Good adhesion to PC • Flexible and comfortable to wear • Easy to process • Customized formulations for a transparent Shore 43A TPE with 40% bio-based content for the gasket and a natural 57A TPE with 30% bio-based content for the nose bridge to meet sustainability and comfort targets • Delivered excellent performance in order to pass strict chlorine, brine, and QUV tests • Offered prompt development and on-site technical services to accelerate commercialization KEY REQUIREMENTS SUSTAINABILITY + SEALING LEARN MORE reSoundTM BIO Thermoplastic Elastomers Copyright © 2022, Avient Corporation.

BLOOD LANCET MANUFACTURER S E A L I N G R I N G • Compliance with strict regulations for medical materials • Excellent sealing performance • Good compression set • Provided a recycled TPE solutions compared to silicone without increasing system cost • Delivered a TPE that complied with ISO 10993-4 & -5 and USP Class VI • Supported a change to an injection molded material to ease production and enhance assembly capabilities Versaflex™ HC TPEs – OM1040-1 Grade KEY REQUIREMENTS WHY AVIENT?

DONGGUAN FYRNETICS F I R E A L A R M C O M P O N E N T S • Excellent conductive performance, EMI shielding • Excellent IR absorption • Quality stability • Formulated material to meet all customer’s CTQs and support sensor’s certification for sensitivity and accuracy • Provided shorter lead time than previous material supplier, plus excellent service to support material change • Tested surface resistivity using ASTM D257 method, achieving result of E3-E4 Stat-Tech™ ST7400-8010 ESD Formulations KEY REQUIREMENTS WHY AVIENT?

AUTOMOTIVE OEM C E N T R A L C O N S O L E P A R T • Metallic aspect • Good surface appearance • UV resistance • Cost effective alternative to paint • Offered a paint replacement solution with a molded-in-color metallic effect • Provided color matching expertise • Utilized simulation tools to predict part aspect and suggest the best injection point for process and mold optimization • Optimized formulation for metallic effects Smartbatch Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT?

MONOFILAMENT MANUFACTURER P V D F F I L A M E N T E X T R U S I O N • Reduce or eradicate die build-up • Improve predictive and final part quality • Optimize PVDF extrusion for the desired coefficient of friction (CoF) • Reduce energy consumption • Boosted overall production efficiency by minimizing die build-up through use of a PVDF-specific processing aid • Achieved a flawless surface by reducing friction and improving flow for enhanced final part quality • Controlled extrusion pressure to reduce energy required in processing Colorant Chromatics PVDF Processing Aid KEY REQUIREMENTS WHY AVIENT?

AUTOMOTIVE OEM C E N T R A L C O N S O L E P A R T • Metallic aspect • Good surface appearance • UV resistance • Cost effective alternative to paint • Offered a paint replacement solution with a molded-in-color metallic effect • Provided color matching expertise • Utilized simulation tools to predict part aspect and suggest the best injection point for process and mold optimization • Optimized formulation for metallic effects Smartbatch™ Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT?

Peel ASA (N/mm) 2.72 90° Deg., Peel SAN (N/mm) 2.72 90° Deg. Table 2: GLS 271-051 overmolded to polyacetal (Delrin511P) and its copolymer (Hostaform 9021) LC 271-051 to Delrin 511P Average, N/mm Maximum,N/mm Mode of failure Melt temperature 1.65 1.95 Adhesive 220°C 1.84 1.98 Adhesive 220°C LC 271-051 to Hostaform 9021 Average, N/mm Maximum,N/mm Mode of failure Melt temperature 2.12 2.22 Adhesive 220°C 2.14 2.33 Adhesive 220°C Universal Polyamide Overmold Update: In earlier studies, robust universal polyamide overmolding materials and their benefits were introduced,2,3 where overmoldability of a 60 shore A and a 75 shore A material to Nylon was demonstrated. F H H O m C H H O *C H H n C* H H O *m C H H C H C H C H H C H H C H *z C C C N HH H * x y C H 3 O C H 3 O* O C *n 285-056 Peel adhesion 3.23 2.55 3.06 3.063.063.062.89 2.55 2.89 2.89 2.72 2.72 3.06 2.38 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 Lexan 141 Cycolac MG38 Cycoloy C2950 Xenoy 5220 Xenoy 1339 Injection speed: 25 mm/sec A vg . p ee l, N /m m Melt temp: 190°C Melt temp: 200°C Melt temp: 220°C Figure 5: GLS 285-056 adhesion values overmolded onto PC, ABS, PC/ABS and PC/PBT over a wide range of melt emperatures of the TPE. t 285-056 peel adhesion 2.893.06 2.89 2.38 2.55 2.55 2.89 2.55 2.89 3.063.06 2.89 2 3 25 50 75 Injection velocity, mm/sec A vg . p ee l, N /m m Lexan 141 Cycolac MG38 Cycoloy C2950 Xenoy 5220 Figure 6: GLS 285-056 adhesion values overmolded onto PC, ABS, PC/ABS and PC/PBT over a wide range of injection peeds. s 285-056 tensile properties: initial & aged after 1 week at 70°C. 2.35 1.60 2.77 2.30 1.66 2.77 0 0.5 1 1.5 2 2.5 3 Tensile Strength 100% Modulus 300% Modulus Pa sc al s Initial Final Figure 7: Physical property retention of GLS 285-056 after 1week at 70°C.

Microsoft PowerPoint - AVNT Q2 2022 Earnings Presentation AVIENT CORPORATION S E C O N D Q U A R T E R 2 0 2 2 R E S U L T S (NYSE: AVNT) J U LY 2 6 , 2 0 2 2 DISCLAIMER 2 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. D I S T R IBU T I O N) 18 END-MARKET FOCUS FOR NEW INNOVATION Semiconductors Robotics Healthcare Interconnected disruptive markets with massive innovation needs 19 APPENDIX Performance Additives 15% Pigments 13% TiO2 11% Dyestuffs 3%Polyethylene 12% Nylon 6% Polypropylene 5% Other Raw Materials 30% Styrenic Block Copolymer 5% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 22 • Significant raw material price inflation and tight inventory continued in Q2 2022, although at a slightly lesser rate compared to the prior quarter o For Q2 2022, the average cost of key hydrocarbon based materials was up 15%, roughly the same as the average cost of non- hydrocarbon based materials. • Continued supply chain challenges persisted during Q2 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% EMEA 25% Asia 16% Latin America 9% 2021 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 19% Industrial 16% Building and Construction 10% Telecommunications 4% Energy 2% 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 (1) Transportation 11% Healthcare 15% 24 Packaging 34% Consumer 21% Healthcare 8% Industrial 16% Building & Construction 10% Transportation 9% Energy 1% Telecommunications 1% C O L O R , A D D I T I V E S & I N K S 2021 REVENUE | $2 .4 BILL ION US & Canada 32% EMEA 40% Asia 21% Latin America 7% END MARKET REGION 25 All charts reflect 2021 financials 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 Consumer 27% Healthcare 10% Packaging 7% Telecommunications 16% Transportation 11% Industrial 11% Building & Construction 11% Energy 7% 2021 REVENUE | $919 MILLION END MARKET US & Canada 55% EMEA 25% Asia 20% REGION 26 All charts reflect 2021 financials D I S T R I BU T I O N Healthcare 26% Consumer 23% Packaging 5% Industrial 20% Transportation 16% Building and Construction 8% Energy 1% Telecommunications 1% US & Canada 80% Asia 3% Latin America 17% END MARKET REGION K E Y S U P P L I ER S 2021 REVENUE | $1 .6 B ILL ION 27 All charts reflect 2021 financials TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET Packaging 30% Consumer 26%Healthcare 13% Industrial 14% Building & Construction 5% Telecommunications 2% Energy 2% Asia (16% of sales) Transportation 8% Packaging 32% Consumer 13% Healthcare 5% Industrial 17% Building & Construction 12% Telecommunications 5% Energy 4% EMEA (25% of sales) Transportation 12% 28 Consumer 25% Healthcare 19% Packaging 10% Industrial 17% Building & Construction 10% Telecommunications 4% Energy 2% US & Canada (50% of sales) Transportation 13% Packaging 38% Consumer 33% Healthcare 8% Industrial 10% Building & Construction 5% Telecommunications 1% LATAM (9% of sales) Transportation 5% All charts reflect 2021 financials 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.