Van Hulle Senior Vice President, President of Global Color, Additives and Inks Craig M. On February 6, 2006, we entered into an agreement with Mr. 6) Ms.

February 6, 2018 ANAHEIM, Calif. – February 6, 2018 – At today’s Medical Design & Manufacturing (MD&M) West show, PolyOne unveiled an expanded line of OnColorä HC Plus colorants and OnCapä HC Plus additives for healthcare. EDITORS: For a high-resolution image, please click here: PolyOne Healthcare Colorants and Additives 

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May 6, 2024 May 6, 2024 May 6, 2024

Trilliant HC - OCD Microwells IVD Testing - Application Snapshot ORTHO CLINICAL DIAGNOSTICS M I C R O W E L L S F O R I V D D E V I C E • PS-based material • Strict TiO2 content/filling to secure accurate performance • Material to be suitable and complaint with the IVDD/IVDR standards • Surface chemical performance essential for the application • Worked in close collaboration with customer and internal teams to fully understand and overcome current material challenges • Identified anomalies in existing formulation using material science expertise and customized an alternative formulation • Enabled customer to improve processing efficiency, reduce scrap rate and respond to the increased market demand Trilliant™ HC7410-5001 X4 thermoplastics in white KEY REQUIREMENTS WHY AVIENT?

Consolidated sales expanded for the first time in seven quarters with contributions from both our Color, Additives and Inks, and Specialty Engineered Materials segments. Eastern Time on August 6, 2024. 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. 6 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

These materials outperform nylon 6 and flexible PVC with better flexibility, lower moisture absorption, better insulation properties, and they are RoHS compliant. ONFLEX S HF ONFLEX S HF & HF 7001 SYNPRENE RT-5180 ROHS NATURAL Commercial Availability Asia Europe Americas RoHS Compliant Yes Yes Yes Color Natural Natural Natural Hardness 70/80/90 Shore A 50/70/90 Shore A 80 Shore A Flame Retardant Package Non-Halogenated Non-Halogenated Halogenated Processing Method Extrusion Extrusion ELECTRICAL & ELECTRONICS SOLUTIONS REDUCE POSSIBILITY OF MOLDED CASE CIRCUIT BREAKER FAILURE WITH TPE PHASE BARRIERS www.avient.com Copyright © 2025, Avient Corporation.

Colorant Chromatics™ PES/PSU/PPSU Colorants Transcend™ Precolored Gray and White PSU achieved accurate color match to non-polysulfone (PSU) components Colorant Chromatics™ Precolored Gray and Precolored White PSU able to withstand steam sterilization in an autoclave

Explore the Remafin™ EP White Colorant range for pharmaceutical containers. White colorants White colorants specifically formulated for PP and PE pharmaceutical containers

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