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meeting challenges arising from changing regulations Auto interior carpet manufacturer Build market-centric solutions differentiated solutions bringing together all Avient • Color, UV durability • Lightweighting • Improved workability • Recyclability • Strength • Durability Copyright © . 2024 9 Personalized, self-administered 9 AVIENT GROWTH VECTORS Copyright © . 2024 10 GDP + 1. Technology hybridization EXISTING EVOLVING Marine composite UV resistance Insulators Composite utility poles Fire-retardant composite Building & construction composite panels Next gen fire-retardant / UV resistant materials Fire-retardant, UV resistant composite utility polesFire retardants Copyright © . 2024 44 Personalized, self-administered 44 SEM PORTFOLIO Copyright © . 2024 45 • Global adoption of remote patient continuous glucose monitoring, respiratory remedies, and biopharmaceutical processes • Customers seek global suppliers, with required quality systems, that offer – Barrier properties to manage chemical ingress – Elasticity for conformance, patient comfort and sealing – Purity to manage extractables – Color / UV stability to differentiate products and extend life $6B ADDRESSABLE MARKET Continuous glucose monitors Respiratory care Biopharma tubing Catheters Copyright © . 2024 46 • Increase in NATO countries and defense spending • High demand for premium performance in military and law enforcement – reducing the weight burden • Strong demand for high performance helmets with capability to protect from increased threats • Dyneema™ provides the highest performance products in the market – up to 20% weight savings compared to competitive products $5B ADDRESSABLE MARKET Vests and inserts Helmets Shields Vehicle armor BUILDING NEW PLATFORMS OF SCALE IN... • New growth opportunities in prefabricated / modular construction - driven by lightweighting, waste reduction, and energy efficiency • Avient differentiation is with operational velocity, manufacturing capability and added functionality with flame retardancy vital to this space $20B ADDRESSABLE MARKET Ballistic-resistant Composite lumber reinforcement Functional panels - interiors and exteriors Fire-retardant thermoplastic panels Copyright © . 2024 49 • Increasing electrification demands, expanding grid • Established Avient portfolio in electrical infrastructure • Demand driven by aging electrical infrastructure and grid hardening incentives (e.g. 170 million wood poles over 50 years old in North America) • Creating opportunities in all infrastructure components • Avient differentiation is with operational velocity, manufacturing capability and added functionality with flame retardancy, UV resistance etc

STAN-TONE HCC-29053 FINANCIAL GRAY 13371GNS SPECIAL COOL GRAY 1C UV WICKER

GREEN A UV SLATE GRAY E315 PP5320 PEARL GRAY MONO VIII

PE SUMNER GRAY TAN UV ABS COOL GRAY 9C

050RD447 PE CC UV HMF UV RAIL CAR GRAY 58049 METALLIC GRAY CSPM

25123-V GRAY SILCOPAS GRAY 75051 DB4467F Red Non-Phthalate UV AM

GRAY Q716-3-1 UV ALMOND 2 GRAY Q716-3-1

DB5638D RED TEX HOT DIP AM UV NP SILCOPAS GRAY 108628 STAN-TONE HCC-108637 GRAY

Ltd Business Registration Number: 91320505799067336K Registered I Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Quality Management System has been awarded this certificate for compliance with the standard ISO 9001:2015 The Quality Management System Applies in the following area: Production Activities of Plastic Colorant & Additive (UV Blockers, Anti-Oxidation, Anti-Aging) Certified since: January 8, 2009 Valid from: January 16, 2024 Valid until: January 4, 2027 the expiry date of last certification cycle: January 4, 2024 the date of recertification 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.