GLS™ Versaflex™ HC Thermoplastic Elastomers: Offers manufacturers design freedom, a simplified injection molding process, and streamlined production About PolyOne Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

PolyOne Launches New, Innovative Vibration Damping Technology CLEVELAND – PolyOne Corporation (NYSE:POL) has launched a new overmolding technology based on its Versaflex™ VDT thermoplastic elastomer (TPE), de Accelerate Color Creation With ColorMatrix™ Select from PolyOne

Versaflex™ VDT Vibration Damping TPE for Overmolding enables manufacturers of consumer electronics, power tools, sporting goods and appliances to add comfort and resilience to their products, providing a better end-user experience. About PolyOne Media contact Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Versaflex™ CE TPEs for portable audio speaker gaskets and skins protect audio components from water and dust while expanding design freedom. About PolyOne Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440 930 1988 michelle.maniscalco@avient.com

Vibration damping technology: Versaflex™ VDT thermoplastic elastomers improve ergonomics and performance by increasing vibration damping to absorb shock. About PolyOne Media contact Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

POWER TOOL BRAND D I A S T I M E T E R C O V E R • Anti-static properties to enable stable and accurate measurements • Good wear resistance to avoid friction between TPE-made part and the internal metal part • Met anti-static standard surface resistivity 109-1010 Ω/m2which reduced error for circular measurement by 55% and linear measurement by 33% • Provided a formulation with better wear resistance than the previous overmold material • Offered excellent bond adhesion to PC/ABS Versaflex ™ OM Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers

About PolyOne DeLuca Vice President, Investor Relations PolyOne Corporation +1 440-930-1226 isaac.deluca@avient.com Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

Vibration Damping Technologies: Versaflex™ VDT thermoplastic elastomers reduce appliance vibration and ‘walking’ when used in anti-vibration feet for top load washing machines, and can be overmolded to help eliminate secondary processes and reduce cycle time About PolyOne Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

PolyOne is exhibiting at MD&M West in Anaheim, California, in booth 2201 from February 7-9, 2017. About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions. Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Tier 1 Auto Supplier Saves with Supply Chain Expansion Appliance Vibration Reduced by 80 Percent with Versaflex VDT™ from PolyOne Khandpur as Chief Executive Officer Effective December 1, 2023