You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. To provide comparable financial results, the Company references “pro forma” financial metrics, which include the business results of Clariant Color for periods prior to the Acquisition Date. Management believes this provides comparability of the performance of the combined businesses.

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. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation. Management believes this provides comparability of the performance of the combined businesses.

Avient will provide additional details on its 2024 first quarter and 2024 outlook during its webcast scheduled for 8:00 a.m. The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as adjusted EPS and adjusted EBITDA, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

FINGERPRINT DETECTOR H O U S I N G • Metallic effect • In-mold labeling replacement • Overmold on PC • Chemical resistance • Achieved metallic effects without secondary step of painting • Customized colors to achieve desired aesthetics of the design • Improved cost-effectiveness • Provided live technical support from concept to production Artisan™ AR7300-8001 M Silver Formulation KEY REQUIRMENTS WHY AVIENT ?

GLS TPE - Closurelogic Cap Liner - English CLOSURELOGIC GMBH A L U M I N U M C A P L I N E R • Compliance with food contact regulations • Seals to glass, PET and aluminum bottles • Excellent pressure retention for carbonated beverages • Provided a low migration TPE with outstanding organoleptic properties • Enabled processing at temperatures 20°C lower than comparative materials GLS™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

These Terms and Conditions are provided in both English and Swedish. Any samples or developmental material provided by Seller are provided “AS IS” with no warranty as to its performance and such samples or mate- rials shall not create any warranty by sample, which is hereby waived. Seller reserves to itself all applicable duty drawback allowances, and Buyer shall provide assistance in connection with Seller’s ap- plication for the same. 11.

Any samples or developmental material provided by Seller are provided “AS IS” with no warranty as to its performance and such samples or materials shall not create any warranty by sample, which is hereby waived. Seller reserves to itself all applicable duty drawback allowances, and Buyer shall provide assistance in connection with Seller’s application for the same. All processing of personal data must observe the purposes of these Terms and the legal bases provided for in the LGPD, and the operator shall respect the institutions of the controller.

WIR E & CABLE OEM P V D F E X T R U S I O N • Improve extrusion line speed • Minimize defects, optimize coefficient of friction (CoF), control extrusion pressure, and eliminate die drool • Prevent melt fracture (sharkskin) • Reduce energy use in processing to achieve cost savings • Delivered a polyvinylidene fluoride (PVDF) solution that improved extrusion production times • Provided application specialists with deep knowledge of PVDF processing windows (melt and degradation temperatures) to help boost overall processing performance • Enhanced surface aesthetics by reducing friction and improving flow stability • Gained a reduction in energy use and offered added savings for other PVDF applications such as wire jacketing or tube and pipe extrusion Colorant Chromatics PVDF Processing Aid KEY REQUIREMENTS WHY AVIENT?

Khandpur is President and Chief Executive Officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services.

Khandpur is President and Chief Executive Officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services.