PolyOne technologies on display at Chinaplas will include: Corporate Media Contact Kyle G. Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

As the technology and economics of global reclamation infrastructure continue to improve, Avient is proud to be working closely with our customers to develop innovative solutions that support a circular economy. We continue to work with our customers to develop innovative sustainable solutions. Avient Technology Helps to Achieve Color Consistency in L’Oréal PCR Packaging Worldwide

PolyOne has a proven track record of innovating and collaborating with our customers to develop specialty formulations that meet their specific performance needs,” said Craig Nikrant, president, Global Specialty Engineered Materials, PolyOne Corporation. Investor contact: Eric Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com Media contact: Kyle Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

Transform Product Development Avient Long Fiber Technology Long Fiber Technologies Application Development

CLEVELAND – For the second consecutive year, PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solu PolyOne Ultraviolet Light Barrier Technology Advances Packaged Food and Beverage Protection in China SUZHOU, China – PolyOne today announced that its ColorMatrix™ Ultimate UV390 light blocking technology is now approved for use in PET packaging fo

Revolutionary New Fiber Coloration Technology from PolyOne Showcased at ITMA 2015 MILAN – PolyOne today launched a breakthrough technology for coloring polyester fiber that eliminates aqueous dyeing and its associated wastewa CLEVELAND – PolyOne today celebrated the unveiling and launch of its new corporate website, www.PolyOne.com.

Avient also offers nomination-based leadership development programs, such as NextGen, Elevate, Engage and Lean Six Sigma, as well as Core Leadership, an open-enrollment program for leaders around the globe. Green can provide the Board with relevant and topical advice regarding innovative new technology developments to improve product development, service and manufacturing. Patterson served in leadership roles at Novelis, Inc., an aluminum rolled products manufacturer, and SPX Corporation, a multi-industry manufacturer and developer, after starting his career at Arthur Andersen LLP.

Avient and IVCC Accelerate Formulation Development of Long-Lasting Insecticidal Nets for Malaria Control CLEVELAND – April 19, 2021 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announce Avient Launches New Renol™ and Remafin™ Masterbatches Developed to Create Natural-Looking TPE Wine Corks

WaterStep is an international non-profit organization that provides those in need with the training and technology needed for making clean water. Corporate Media Contact: Kyle G. Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

CLEVELAND – Using a collaborative and progressive approach to innovation, PolyOne Corporation is helping its customer TenPoint Crossbow Technologies to improve performance of its renowned products. Patterson, president and chief executive officer, PolyOne Corporation. Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com