Avient Develops New Hardness Grades in High-Performance Barricade™ Elastomers Portfolio Avient Launches GLS™ Thermoplastic Elastomers with Antimicrobial Technology That Protects Against Microbial Growth Avient and IVCC Accelerate Formulation Development of Long-Lasting Insecticidal Nets for Malaria Control

PolyOne Corporation (NYSE: POL), with 2018 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and solutions.       Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

We have experience in developing specialty polymer formulations that meet the challenges these products face in extreme environments, and we are continuously developing new technologies to better meet the growing needs of our customers.” Visitors can also learn more about the latest industry and technology insights from PolyOne experts in booth A21 at Wire Southeast Asia 2017. Marketing Communications Manager, Asia PolyOne Corporation +86 21 60284888 jennifer.huang@avient.com

MILAN – December 10, 2024 – Avient Corporation, an innovator of materials solutions, today announced the launch of ColorForward™ 2026, its annual color trend forecasting tool for the plastics industry developed to support the design of impactful aesthetics for new consumer products.  These recent developments prompted Avient's ColorForward team to develop the following four societal trends:  Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com

With the introduction of moisture-cured ECCOH XLS technology, wire and cable manufacturers can now choose the most cost-effective technology for specific production environments when selecting a low smoke and fume, non-halogen composition: The new offering was developed for applications including low-voltage power cables for building and construction use and specialty wire and cable for marine environments. Matt Defosse Marketing Communications Manager, Europe PolyOne Corporation +49 6406-832-061 matt.defosse@avient.com

    Color concentrates and formulations developed specifically for healthcare applications in a range of polymers and based on ingredients that meet or exceed requirements for regulations such as USP Class VI, ISO10993 Examples include: •    Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic •    Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation •    Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses Jennifer Huang Senior Manager, Marketing Communications Asia Avient Corporation +86 21-6028-4888 jennifer.huang@avient.com

The Pact was developed in collaboration with the Ellen MacArthur Foundation as the first in a global network of initiatives working toward the circular economy.       Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

CLEVELAND – Innovative technologies from PolyOne Corporation have enabled Citroën to launch groundbreaking Airbump® exterior protective panels on the new C4 Cactus passenger car. PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Media contact Matt Defosse Marketing Communications Manager, Europe PolyOne Corporation +49 6407-907-0386 matt.defosse@avient.com

Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses Jennifer Huang Senior Manager, Marketing Communications, Asia PolyOne Corporation +86 21 60284888 jennifer.huang@avient.com Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

– PolyOne GLS Thermoplastic Elastomers today announced the launch of an overmolding technology based on Versaflex™ VDT thermoplastic elastomer (TPEs), developed for vibration and impact damping applications. PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Media contact Sandy Wagner Marketing Communications Manager PolyOne Corporation +1 815-385-8500 sandy.wagner@avient.com