MC-17641PE INK WELL #19-3940 TPG

19-1420TPMRT DEEP MAHAGONY

9211-19 SCARLET THERMOSET PLASTISOL

60053PEN NAVY BLUE 19

POM EVERGLADE 19-5226TCX

UV IMP BLUE 19-4245TCX V3

Avient corporation first quarter 2023 results AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) J A N UA RY 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. Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 3 AVIENT OVERVIEW OUR VISION: Creating specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world 2023 Financial GuidanceCompany Overview Revenue By: 9,700 Employees 104 Manufacturing Sites 20,000+ Customers Key Highlights  Premier formulator of specialized and sustainable material solutions  Asset-light business model, with flexibility to adapt to customer needs  Best-in-class technology and service (140+ PhDs / 2,500+ patents)  History of transformation through successful M&A while consistently returning cash to shareholders  Poised for continued future growth in excess of GDP $3.13B Revenue $500M Adjusted EBITDA Adjusted EBITDA Margins $180M Free Cash Flow Over $1B in share buybacks since 2011 Raised dividend for 13 consecutive years, a 15% CAGR since 2011 U.S. & Canada 64% 36% Specialty Engineered Materials Color Additives and Inks 40% 37% 18% 9% 4% 4% Building & Energy Telecom Geography Segment Industry 4 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. Deliver annual EBITDA and EPS growth of 10% and 15% 4.

Ltd Business Registration Number: 91320505799067336K Registered/ Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Environmental Management System has been awarded this certificate for compliance with the standard ISO 14001:2015 The Environmental Management System Applies in the following area: Production and Related Management Activities of Plastic Colorant & Additive (UV Blockers, Anti-Aging,Anti-Oxidation) Certified since: June 6, 2012 Valid from: January 17, 2024 Valid until: January 7, 2027 the expiry date of last certification cycle: January 7, 2024 the date ofrecertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC. � 'PliiAPT ih �� � GNAS :::; 1�� ':t '"�� � =�� SYSTEM -si;�-;;db;:·x�-Zh��x� MEMBER OF ••••• ......... .· .•.. •·····--·· . . � IQNET CHINA QUALITY CERTIFICATION CENTRE Section 9, No.188, Nansihuan(the South Fourth Ring Road) Xilu(West Road), Beijing 100070, China http://www.cqc.com.cn A 0082431 20221:f=�&

The EU’s directive for use of recycled PET (rPET) in bottles will increase from 25% in 2025 to 30% in 2030.

Transforming Modular & Offsite Construction with Advanced Composites APPLICATION GUIDE Siding & Cladding Impact resistance; thermal expansion reduction; superior strength-to-thickness ratio compared to traditional siding Roofing Systems Impact resistance; flexural strength; thermally insulative; will not contribute to mold or rot Interior Wall, Floor, & Improved structural integrity; integrated fire protection; customized dimensions & finishes; thermal insulation; water, pest, & impact resistance Doors Impact resistance; ballistic resistance; high strength-to-weight ratio Exterior Sheathing Continuous insulation; impact, moisture & rot resistance; lightweight construction Garage Doors Impact & corrosion resistance; high flexural strength; customized dimensions & finishes; weatherability; UV stability; weight reduction Flood Barriers Moisture & corrosion resistance; durable; will not contribute to mold growth Composite Decking & Lumber Reinforcements for increased strength; material & weight reduction Cabinetry & Storage Weight reduction; customized dimensions & finishes Hammerhead™ FR Flame Retardant Composite Panels & Laminates Hammerhead™ & Polystrand™ GlasArmor™ & ThermoBallistic™ Ballistic Panels Polystrand™ Continuous Fiber Tapes ADVANCED COMPOSITES FOR BUILDING & CONSTRUCTION Polystrand™ Continuous Fiber Laminates Storm Shutters Impact & ballistic resistance; superior strength-to-weight ratio Safe/Panic Rooms Ballistic & impact resistance 1.844.4AVIENT www.avient.com Copyright © 2025, Avient Corporation.