THE CHALLENGE Schneider-Electric NB (Strömfors), a Nordic-based producer of electrical parts recently switched to a non-halogenated gasket (seal) material from Avient in boxes and enclosures for household electrical installations. THE SOLUTION The Schneider-Electric NB (Strömfors) design staff turned to Avient for help in selecting the right material. Avient GLS thermoplastic elastomer (TPE) material specialists identified a current TPE within the OnFlex™ S HF, non-halogenated, flame retardant portfolio that could be slightly modified to meet the application’s requirements.

Avient Corporation. Avient Corporation. Slide 12 Slide 13: Avient 2024 sales Slide 14: Color, Additives & Inks Slide 15: Specialty Engineered Materials Slide 16: Avient 2024 regional sales, by end market Slide 17: Raw material basket Slide 18: Reconciliation of Non-GAAP financial measures (UNAUDITED) Slide 19: Reconciliation of Non-GAAP financial measures (UNAUDITED) Slide 20: Reconciliation of Non-GAAP financial measures (UNAUDITED)

Avient Corporation. Avient Corporation. Slide 12 Slide 13: Avient 2024 sales Slide 14: Color, Additives & Inks Slide 15: Specialty Engineered Materials Slide 16: Avient 2024 regional sales, by end market Slide 17: Raw material basket IR Deck - AVNT-2025.03.31 Non-Gaap Recs.pdf Attachment

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. FX -1.5% FX -0.5% Total Avient -2.0% Q 1 2 0 2 4 R E S U L T S Q1 2024 PERFORMANCE VS.