The company is dedicated to serving customers in diverse industries around the globe, by creating value through collaboration, innovation and an unwavering commitment to excellence.

Avient Attains ACC Responsible Care® 14001 Global Certification for Environmental, Health, Safety, and Security Excellence

The company is dedicated to serving customers in diverse industries around the globe, by creating value through collaboration, innovation and an unwavering commitment to excellence.

PolyOne Receives Award of Excellence from QSR and Qure Medical

Avient’s new Colorant Chromatics™ PVDF Processing Aids are an excellent choice for wire & cable extrusion To download a high-resolution ima

Avient’s new Colorant Chromatics™ PVDF Processing Aids are an excellent choice for wire & cable extrusion To download a high-resolution ima

Excellent fatigue resistance

Excellent fatigue resistance

SECURITY EQUIPMENT MANUFACTURER B O D Y S C A N N E R • Replace PMMA based radome material • Consistent dielectric performance across large sheet/surface area (4mm thick, 2m high) • Ultra low losses • No defects across full surface area • High resolution imaging to show small illegal objects • Formulated a custom material to match customer requirements • Reduced dielectric loss to 0.0009 • Improved image quality of body scanner with uniform dielectric performance and exceptionally low losses • Enabled scan time of 2 seconds and person throughput of 400 persons per hour, compared to 100 person throughput of conventional devices PREPERM™ PPE 260 Formulation KEY REQUIREMENTS WHY AVIENT?

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. Unless otherwise stated, Adjusted EBITDA figures included in this presentation exclude the impact of special items as defined in our quarterly earnings releases. Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 Keeping Safety First o Relentless focus on best-in-class safety performance as an ACC Responsible Care® organization Exceeding Customer Expectations o Complementary technologies and customer relationships offer opportunity for future revenue synergies o Proven innovation-led commercial strategy with strong brands and participation across the full value chain Collaboration in Innovation o Leveraging Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications People – Culture is Everything o Talented, passionate and collaborative associates drive an effective integration strategy o Strong Great Places to Work® scores reflect positive integration efforts in first year AVIENT PROTECTIVE MATERIALS INTEGRATION 3 AVIENT PROTECTIVE MATERIALS K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders • Body Armor • Helmets • Vehicle Protection 50% MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes 30% CONSUMER Consumer • Outdoor High Performance • Safety Equipment 20% 4 Figures reflect approximate proportions of 2022 sales Q 1 P ER FO RM A N CE Q1 2023 PERFORMANCE VS.