Microsoft PowerPoint - AVNT Q1 2024 Investor 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 AY 2 0 2 4 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. Continue fostering our Great Place to Work® culture Strategic ObjectivesStrategic Objectives Long Term Growth Rates Growth DriversGrowth Drivers $340 $455 $790 $1,135 $51 $84 $212 $645 $108 $113 $231 $230 $265 $358 $726 $725 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable GrowthProfitable Growth Great Place to WorkGreat Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards ESG Ratings Performance 1 87th 94th percentile 5 Avient CDP Score: A- M AY 7 , 2024 W EB CAS T P RE SE N TATI O N 7 REGIONAL DEMAND TRENDS-TOTAL COMPANY Q 1 S A L E S V S P Y ( E X C L U D I N G F X ) 7 +2% -6% Flat +2% Avient ex.

Microsoft PowerPoint - AVNT M11 Investor 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) N OV E M B E R 2 0 2 4 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.

Cosmetic packaging manufacturer COSMETIC PACKAGING MANUFACTURER L I P G L O S S T U B E T I P • Excellent clarity and high fluidity • FDA thermoplastic elastomer • Overmolds to PE as good sealing performance • Met customer’s design requirements, such as a skin-like feel • Offered transparent appearance • Met FDA 21 compliance • Overmolded onto PE compared with silicone OnFlex Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT?

CAP PRODUCER L U X U R Y B O T T L E C A P • A density modified solution - ABS filled 2.2g/cm3 • Incorporates post-consumer recycled ABS content • Ability to be metallized comparable to prime materials • Continuity of supply • Formulated a custom material with post- consumer recycled ABS content • Provided a more sustainable solution while keeping comparable performance characteristics to the prime grade previously used • Enabled customer to produce bottle top with weight, look and touch of metal, denoting luxury Gravi-Tech™ REC Recycled Formulation KEY REQUIREMENTS WHY AVIENT?

DIFAS T O O T H B R U S H H A N D L E • Replace current polymer with a more sustainable solution • Excellent surface finish with multiple color options • Processed using current molding equipment and machinery • Used formulation expertise to develop a custom formulation that met critical quality parameters and enabled customer to use existing molding equipment • Enabled customer to work towards sustainability goals and bring a competitive solution to the market • Enhanced the marketplace appeal of the end product with colorability of the material Maxxam BIO Bio-based Polyolefin Formulations KEY REQUIREMENTS WHY AVIENT?

OFF-ROAD VEHICLE BRAND H O O D P A N E L • High gloss • Scratch appearance resistance • Ease of processing • Provided technical support from concept to production • Conducted FEA and mold flow analysis • Had solutions for either natural plus concentrate or pre-colored to best meet customer needs • Customized colors to match brand identity and preference Artisan™ Nylon PA6 Formulation KEY REQUIREMENTS WHY AVIENT?

OFF-ROAD VEHICLE MANUFACTURER S E A T P A N • Consolidate parts to reduce assembly time and lower manufacturing costs • Maintain performance while replacing metal seat pan with lightweight composite material • Aided consolidation of multiple metal parts and fasteners into a single injection molded component, lowering costs $100k year • Saved time and money using FEA validation to confirm real-world performance before building tooling • Created full-size 3D printed prototypes to test fit and function Complēt™ Long Glass Fiber Nylon Composite KEY REQUIREMENTS WHY AVIENT?

LUXURY CLOSURE MANUFACTURER S P I R I T B O T T L E C A P D I S K • Specific gravity of 2.6 to match incumbent metal weight • Polypropylene-based material suitable for physical vapor deposition (PVD) surface treatment • Provided an easy-to-process material with an excellent surface finish for metallization • Met custom weight target and used a magnetic filler to support the magnetic system in the PVD metallization process • Enabled more design freedom by eliminating metal working Gravi-Tech™ Density Modified Formulation KEY REQUIREMENTS WHY AVIENT?

LEADING ARCHERY OEM C A M M O D U L E • Ability to pass fatigue testing of 100,000 cycles • Maintain low vibration performance • Replace metal to reduce weight • Meet short lead time and budget constraints • Provided design guidance and mold flow analysis, saving the customer $800 - $1,500 compared to outsourcing the analysis • Streamlined the development process using an existing, specialty product to meet key performance needs as well as budget and timeline constraints, enabling the customer to launch in time for a leading industry tradeshow Nymax™ PIR Nylon Formulation KEY REQUIREMENTS WHY AVIENT?

AIRGUN BULLET MANUFACTURER B U L L E T C A S I N G • Reduce weight by replacing metal • Gunpowder free • Less shooting energy from 100 Joules to 20 Joules • Delivered a high-impact nylon formulation with equal performance and 80% less weight • Enabled improved shooting accuracy due to the stable coefficient of friction(COF) • Provided fast technical response and mold trial support Bergamid™ Polymer Formulation KEY REQUIREMENTS WHY AVIENT?