SHANGHAI – April 23, 2024 – Avient Corporation, a premier provider of specialized and sustainable materials solutions and services, announces the launch of a new range of OnColor™ durable orange nylon colorants developed to improve the heat and long-term color stability of cautionary, orange-colored polymers for high-voltage electric vehicle (EV) connectors. Avient Corporation provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Company Officers

PolyOne Corporation, with 2018 revenues of $3.5 billion, is a premier provider of specialized polymer materials, services and solutions. Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com Company Officers

SHANGHAI – April 3, 2024 – Avient Corporation, a premier provider of specialty and sustainable materials solutions and services, will showcase its extensive range of sustainable and specialty colorants and additives for both rigid and flexible packaging at Propak Vietnam 2024, one of Vietnam’s premier trade fairs for the packaging industry. Avient Corporation provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Company Officers

Avient Corporation (NYSE: AVNT), with 2021 expected revenues of $4.3 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media contact Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation michelle.maniscalco@avient.com Company Officers

Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Company Officers

About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions. Marketing Communications Manager, Asia PolyOne Corporation +86 21 60284888 jennifer.huang@avient.com Company Officers

PolyOne Corporation, with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions. Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com Company Officers

About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Naomi Bennett PolyOne Corporation Marketing Communications Manager +44 151 632 8800 naomi.bennett@avient.com Company Officers

About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Naomi Peck PolyOne Corporation Marketing Communications Manager +44 151 632 8800 naomi.peck@avient.com Company Officers

Avient currently has twenty-three facilities globally certified to the Corporation’s GMP program and two facilities certified to "ISO 13485, Medical Device - Quality Management Systems - Requirements for Regulatory Purposes." Company Officers Avient Corporation Privacy Statement