Avient does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA, Adjusted Earnings Per Share and Free Cash Flow to the most comparable GAAP financial measures on a forward-looking basis because Avient is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. FX -11% FX -3% Total Avient -14% YoY Comparison against 2022 pro forma results • Aging infrastructure driving need for greater technological advancements and upgrades • Increased focus on strength and capacity of electrical grid plays into further adoption of composites into the market Where Avient Wins:  UV, weather-resistance, customized capabilities  Best-in-class customer responsiveness  Local high-quality manufacturing, unparalleled breadth of portfolio  Expanding position in insulators, utility poles, crossarms, and wind energy Avient Confidential 15 ENERGY 15 • Fiber-optic investments from AT&T, Corning, Commscope continue to drive industry toward innovation • $42B BEAD program in Infrastructure Bill to increase cable deployments; well-positioned to capitalize on “Made in America” requirement and “last mile” buildout Where Avient Wins:  Flame retardance, weather-resistance enables faster, safer, more reliable connections  Local manufacturing, unparalleled breadth of portfolio  Expanding position in insulation for wire jacketing, 5G buildout TELECOMMUNICATIONS Source: U.S. In addition, operating income before the effect of special items is a component of Avient’s annual incentive plans and is used in debt covenant computations.

Smartbatch™ FX for Paint Replacement Overview of applications and benefits of Smartbatch™ FX for Paint Replacement OnColor™ FX Special Effect Colorants

Smartbatch™ FX for Paint Replacement Overview of applications and benefits of Smartbatch™ FX for Paint Replacement OnColor™ FX Special Effect Colorants

Smartbatch™ FX for Paint Replacement Overview of applications and benefits of Smartbatch™ FX for Paint Replacement OnColor™ FX Special Effect Colorants

Phthalate-Free Options CORE™ Non-Phthalate Plastisols offer strength and flexibility while being phthalate-free. Additive Solutions for Biopolymers: Cesa™ Bio

EBITDA $143 million +9% Net Sales $850 million +3% (+5% ex FX) Net Sales $850 million +3% (+5% ex FX) Adj. Q2 2023 ( T O TA L C O M PA N Y ) $824 $850 Q2 23 Q2 24 $131 $143 Q2 23 Q2 24 Sales Adjusted EBITDA (in millions) $0.63 $0.76 Q2 23 Q2 24 (in millions) Adjusted EBITDA Adjusted EPS 5 + 3% (+5% excluding FX) + 9% (+12% excluding FX) + 21% (+25% excluding FX) Sales 6 Q2 2 024 RESULTS – ORGA NI C SA LES BY REGION VS PY 6 US & Canada Latin America EMEA Asia +5% +4% +1% +19% Avient ex. In addition, operating income before the effect of special items is a component of Avient’s annual incentive plans and is used in debt covenant computations.

The Good Duck is marketed as PVC free, phthalate free and BHA free, and also features two PolyOne technologies: customized GLS™ TPE materials and OnColor™ colorants.  In addition to its superior safety versus competitive products, The Good Duck toy represents a material processing milestone.

OnColor™ FX Special Effects Colorants Color and Additives Solutions Overview Special Effects Colorants: OnColor™ FX™

Homepage // News Center // Avient Develops New Dairy Packaging Additive Technology to Meet TiO2 Restrictions POMMERLOCH, Luxembourg – 2020年8月25日 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced availability of a new light blocking additive technology for PET dairy packaging as an addition to its existing portfolio of ColorMatrix™ Lactra™ light blocking additive concentrates. This technology is also available in TiO2 free versions. 

A full range of colorant types are available, from transparent to heavy-metal-free opaque, and can include a range of performance additives to enhance the formulation even further. Color and Additives Solutions Overview Polymer Additives