CHICAGO – May 8, 2018 – At Lightfair, the world’s largest architectural and commercial lighting trade show, PolyOne today unveiled two new rigid vinyl grades for LED lens applications within its Resilience™ LS family. Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Results showed Versaflex™ XP shock absorbing TPEs absorbed up to 10 percent more impact than TPU at drop heights of 4 – 8 feet, and over 25 percent more impact at 10 – 14 feet. +1 440-930-1988

CLEVELAND – August 8, 2018 – PolyOne is bringing safety and sustainability to the forefront of the wire and cable market with new flame-retardant August 8, 2018 CHICAGO – May 8, 2018 – At Lightfair, the world’s largest architectural and commercial lighting trade show, PolyOne today unveiled two new rigid

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Level 1 GlasArmor Level 1 Customized solutions to meet UL 752 Level 4 – 8 available.

GREEN (FDA) 484-1071-1 YELLOW 486-30328-1 PP FR 8-6 LMS-1000

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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 You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission.

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 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