December 1, 2014 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

For a bulb-type product that has a maximum diameter to neck diameter of 2-to-1, air ejection is possible with a minimum permanent deflection of the neck. To make sure the degating process does not pull a hole in the part, the cross sectional size of the gate should be between 1/10 and 1/4 the thickness of the part wall section where the gate is located.

Special items, before tax(1) 1) Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

September 1 November 1 1)

Attachment 1 Special items (1) 1)

VERMELHO FERRARI 483-20228-1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

16033-1 EXPL6756 SLATE 2883 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

X NM 32923-0004A-01-1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

TX7 PP/TPO HS-1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

X ET-052301-01 (16252-01-1) Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)