Composite Heat Release Technology Cesa™ Release Additives Colorant Chromatics™ Evoluscend™ Non-PFAS High-Temperature Mold Release Additive

Adjusted amounts exclude the impact of special items (see definition below and slide 9 for a summary). Slide 5 - Segment Data Recast for Avient Distribution as a Discontinued Operation Reflects segment data recast for Avient Distribution as a discontinued operation. Slide 9 – Special Items Detail Summary of special items detail.

Microsoft Word - Avient Announces Registration Details for December 4th Investor Day _for Microsite 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 4th Investor Day CLEVELAND – November 4, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, will host an Investor Day for the investment community on Wednesday, December 4, 2024, beginning at 10:00 a.m.

All Rights Reserved. https://pt.avient.com/avient-colorworks-design-and-technology-centers Slide 1: Empresa líder em bens de consumo

All Rights Reserved https://pt.avient.com/products/polymer-additives/barrier-and-scavenger-additives/colormatrix-triple-acetaldehyde-scavenger-pet Slide 1: Empresa líder em injeção

All Rights Reserved. https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-fx-paint-replacement-0 Slide 1: stellantis

All Rights Reserved. https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons Slide 1: Snowmobile OEM

All Rights Reserved. https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/onforce-long-glass-fiber-reinforced-polypropylene-composites Default Section Slide 1: Automotive Molder tier 1

Slide 1: Tubing manufacturer

All Rights Reserved. https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-combination-colorants-additives Slide 1: Consumer packaged goods company