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About PolyOne PolyOne Corporation, with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions. Manager, Marketing Communications Asia  PolyOne Corporation +86 21 60284888  jennifer.huang@avient.com

MEXICO CITY – PolyOne will announce at Plastimagen, one of Mexico’s most prominent plastics trade shows, that it has recently opened a new distribution warehouse in San Luis Potosí, and has added more regional sales support for polymer distribution throughout Mexico.  About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Media contact Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Barcelona Dd, one of the brands offered by Resol, is renowned for its creativity and its use of innovative materials. 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

Homepage // News Center // PolyOne Corporation Announces Quarterly Dividend 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

Homepage // News Center // PolyOne Corporation To Host Investor Day 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

PolyOne Corporation, with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions. PHOTO CAPTION: Resilience™ LS High Reflectance PVC, one of two new grades from PolyOne, offers higher light reflectance and other performance benefits than typical metalized PC Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Commercially available in all regions, the product portfolio consists of four overmolding grades compatible with rigid polypropylene and one suited for overmolding onto ABS. PolyOne Corporation (NYSE: POL), 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

Patterson, president and chief executive officer, PolyOne Corporation. About PolyOne PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Trade Media Contact: Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

About PolyOne PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Media contact Peter Bredenkamp Senior Marketing Communications Specialist PolyOne Corporation +44 151-547-6627 peter.bredenkamp@avient.com