SFDC209066-02 EXPB90MBU2 AGED TEAK (T18)

189625-02 EXPB90MBU AGED TEAK

AG PEARL FD

PLUE3192 EF ULTRASOFT AG MAROON*

SFDC209066-03 EXPB90MBU AGED TEAK 3724

PEARL AG PE 5

GREY AG NYLON

STAN-TONE HCC-29034 AGED COPPER

AG WHITE TEE

When showing constant dollar figures on GAAP and non-GAAP financial measures, the foreign exchange impact is calculated by using current foreign exchange rates and applying them to the prior period results. 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  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  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. Avient reflects 2023 adjusted EBITDA guidance of $530M and estimated run-rate CAPEX of $110M.