Homepage // News Center // Premium Sporting Knife Manufacturer Relies on PolyOne’s Bergamid™ Nylon to Extend its Brand Message Designers selected a custom grade of Bergamid™ high performance polymer from PolyOne for the sheath. About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions.

About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Photo Credit: ©PolyOne Photo Caption: New Impress™ high gloss metallic effect colorants from PolyOne enhance polymer packaging with a high gloss metallic surface appearance.  To access PolyOne’s news library online, please go to www.polyone.com/news.

Homepage // News Center // Connected, Safer, and Smarter: PolyOne Collaborates with Halo Smart Labs on Next-Gen Home Safety Devices About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions. Media contact Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

PolyOne Unveils Specialty Polymers and Colorants at Fakuma 2018 POMMERLOCH, Luxembourg – October 1, 2018 – Wire and cable OEMs rely on PolyOne’s industry-leading OnCap™ Aversive masterbatch additives to pro October 1, 2018

PolyOne Corporation Announces Quarterly Dividend CLEVELAND, June 1, 2017 /PRNewswire/ -- PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions June 1, 2017

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

PolyOne Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Attachment 1 1) Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Homepage // News Center // Switching to PolyOne Conductive Polymer Triples Lifetime of LED Pool Lighting PolyOne’s Therma-Tech thermally conductive materials provided Akboru Elektrik with the solution to oxidation problems on metal heat sinks. About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions.

PolyOne Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com, Media: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com