OnFlex - Interior Trays - Spanish PROVEEDOR TIER 2 B A N D E J A S I N T E R I O R E S • Un material con bajo FOG y olor bajo • Acabado semi-mate • Facilidad de procesamiento • Permitió un procesamiento más sencillo que el existente TPE-V • Se eliminó el paso de pre-secado y el material se entregó pre-coloreado, lo que mejoró la eficiencia del proceso • Cumple con las necesidades de bajo FOG (≤2 mg) y poco olor (≤3.0), con acabado semi-mate OnFlex™ S EH 80A-3S7005 REQUERIMIENTOS CLAVE SOLUCIÓN AVIENT CUMPLE CON LAS NORMAS VIAQ MÁS INFORMACIÓN Copyright © 2020, Avient Corporation.

TPEE/TPU FILM MANUFACTURER T P E E / T P U F I L M F O R A P P A R E L A N D S H O E S • Avoid phenolic yellowing effect after a certain time of storage • Offer an anti-phenolic yellowing solution, which can be applied on light color or translucent film for fabric • Maintain the soft touch of the original TPEE / TPU film • Contributed to final products, ensuring the film passed grade 4 of the yellowing standard (ISOx18 2007) • Provided good transparency on 0.04- 0.05mm film • Offered long-lasting protection without the need for additional post-processing Cesa Anti-phenolic Yellowing Additives KEY REQUIREMENTS WHY AVIENT?

TIER 1 AEROSPACE SUPPLIER S E A T I N G S T R U C T U R A L C O M P O N E N T • Reduce weight to improve fuel economy • Pass FAA flame, smoke, toxicity requirements • Meet structural requirements • Simplify manufacturing process • Lowered weight ~40% versus aluminum while maintaining the strength performance properties • Formulated a PES material to satisfy flame, smoke, toxicity (FST) standards for commercial aircraft • Passed and/or exceeded customer’s impact testing specifications • Provided an injection moldable hybrid glass/carbon fiber solution that enabled lower viscosity and better processability for thin wall parts Complēt™ Long Hybrid (Carbon + Glass) Fiber Reinforced PES Composite KEY REQUIREMENTS WHY AVIENT?

Unified social credit code: 91320412MA1NMF5W4P is in conformity with Quality Management System Standard: GB/T 19001-2016 / ISO 9001:2015 The certificate is valid to the following product(s)/service: Coating Processing of Textile (Yarn) and Glass Products (Yarn) Registration Address/ Physical Address: R&D Workshop 5, No. 8, Lanxiang Road, West Taihu Science and Technology Industrial Park, Changzhou City, Jiangsu Province, P. R.

Unified social credit code: 91320412MA1NMF5W4P is in conformity with Environmental Management System Standard: GB/T 24001-2016 / ISO 14001:2015 The certificate is valid to the following product(s)/service: Coating Processing of Textile (Yarn) and Glass Products (Yarn) and Related Management Activities Registration Address/ Physical Address: R&D Workshop 5, No. 8, Lanxiang Road, West Taihu Science and Technology Industrial Park, Changzhou City, Jiangsu Province, P. R.

BUILDING MATERIALS COMPANY Q U A R T Z C O U N T E R T O P S • Offer custom color design for new product development • Provide regulatory support to help achieve compliance with new formulations • Deliver reliable color consistency • Meet high-volume, global production needs • Developed custom colorant technology to support end applications for new products • Provided effective global EH&S and regulatory support to help mitigate risk • Enabled lot-to-lot color consistency with exceptional dispersion uniformity • Met the need for a high degree of material consumption leveraging our global footprint Stan-Tone HCC Vinyl Paste Dispersions KEY REQUIREMENTS WHY AVIENT?

Microsoft PowerPoint - AVNT Fermium Conference - May 2023 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 4 , 2 0 2 3 H O S T E D B Y : 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. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 36 79 87 83 81 76 73 90 79 77 76 73 69 60 22 A vi en t K W R P P G F U L A V Y R P M F M C C E H X L A S H E C L H U N E M N S C L MULTIPLE EXPANSION Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of April 28, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.51. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 37 EV / 2023E EBITDA Historic Multiple 6.5 8.3 9.9 14.6 13.7 13.0 11.9 8.8 18.7 17.4 11.8 10.0 9.7 9.1 8.0 7.9 A vi en t (2 01 1) A vi en t (2 01 8) A vi en t (2 02 3) K W R P P G R P M A V Y F U L E C L H X L F M C A S H S C L C E E M N H U N 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.

COLLA B O R A T IO N INNOVATION E X C E L LE N CE CORE VALUES INTEG R IT Y HONESTY R E S P E C T PERSONAL VALUES 74424.indd intro_5 3/16/20 12:25 PM 1 Annual Report | 2019 Sustainability In Action: People, Products, Planet, Performance Dear PolyOne Shareholders, 2019 was a pivotal, transformational and telling year for our great company. O D O L L A R S 74424.indd main_13 3/16/20 12:26 PM Annual Report | 2019 14 P E R F O R M A N C E 74424.indd main_14 3/16/20 12:26 PM 15 Annual Report | 2019 11% INCREASE IN DIVIDEND STOCK PRICE INCREASE +32% SHARES REPURCHASED 1.0Million 2.50 2.25 2.00 1.75 1.50 1.25 1.00 0.75 0.50 0.25 10 Years of Adjusted Earnings Per Share Growth $ U .S . Lin, and William R.

Autoinjector Pen - Avient Application Study.mm (1) AUTO-INJECTOR APPLICATION STUDY M A T E R I A L T E C H N O L O G I E S + S E R V I C E S F O R N E X T G E N E R A T I O N D E S I G N S Avient Corporation 1 Avient Corporation 2 Innovating Design Medical innovations and plastics have gone hand-in-hand to make healthcare safer, cleaner, and more accessible for all.

LEADING PRODUCER OF CLOSURES FOR SPIRITS L U X U R Y C L O S U R E S • Replace metal while providing metallic look and feel • Customization of density and color • Easy processing • FDA compliance • Replaced metal with a weighted polymer solution to maintain high-quality perception • Minimized the appearance of chips from everyday wear better than metal by matching closure interior and metalized coating colors • Enabled the customer to introduce their luxury closures to a new market segment Gravi-Tech™ Density Modified Formulation KEY REQUIREMENTS WHY AVIENT?