Qure Medical uses cutting-edge technology to develop custom low extractable/leachable medical formulations that meet the stringent requirements of the medical industry. Investor contact: Isaac DeLuca Vice President, Investor Relations PolyOne Corporation +1 440-930-1226 Isaac.deluca@avient.com Media contact: Kyle Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

SHENZHEN, China – April 17, 2023 – Today, Avient Corporation will present its portfolio of sustainable materials and advanced services during Chinaplas 2023. PCR Color Prediction Service: a digital tool developed to illustrate the color possibilities or limitations of certain post-consumer recycled material (PCR) before sample development to help simplify the overall decision-making process for brand owners and technical colorists. Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com

PolyOne Corporation PolyOne Corporation PolyOne Corporation

PolyOne Corporation PolyOne Corporation PolyOne Corporation

– PolyOne Corporation (NYSE: POL), a premier global provider of specialized polymer materials, services and solutions, will showcase its dynamic range of technologies for the healthcare industry at Medical Design and Manufacturing (MD&M) West 2015 this week. Drawing from our comprehensive medical materials portfolio, we are focused on listening and working together with our healthcare customers to develop enabling technologies that bring their innovative products to market faster and with competitive advantage,” said Cathy Dodd, vice president, Marketing at PolyOne. PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.

CLEVELAND– December 7, 2023 – Today, Avient Corporation is proud to introduce its third-party-certified Product Carbon Footprint (PCF) Calculator, developed to evaluate the carbon footprint of Avient’s specialized and sustainable material solutions. Over the past three years, Avient has made significant strides in developing materials to enable sustainability, introducing over 40 new product lines to incorporate more recycled content, bio-derived materials, lightweighting solutions, and energy-saving technologies. Media contact Nicole DeChant Avient Corporation nicole.dechant@avient.com

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Trilliant™ HC8910 and HC8920 healthcare grades were developed in response to today’s intense disinfecting protocols. 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 Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation +1 440-930-1988 michelle.maniscalco@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

PolyOne Corporation PolyOne Corporation OEMs are successfully incorporating our thermoplastic composite technology and gaining value from our design expertise at every step of the product development cycle," said