X0306 4 2017-02-11 0001122976 POLYONE CORP POL 0001479549 Nikrant Craig M POLYONE CENTER 33587 WALKER ROAD AVON LAKE OH 44012 1 SVP President Global SEM Common Stock 2017-02-11 4 M 0 3500 A 13862 D Common Stock 2017-02-11 4 F 0 1285 34.59 D 12577 D Common Stock 16324 I By Trust Common Stock 27439.12 I Savings Plan Trust Restricted Stock Units 2017-02-11 4 M 0 3500 D 2017-02-11 2017-02-11 Common Stock 3500 0 D Each restricted stock unit represents a contingent right to receive one share of PolyOne common stock. Includes dividend equivalents earned with respect to the vested restricted stock units. The information in this report is based on a PolyOne Retirement Savings Plan statement as of February 13, 2017. PolyOne common shares are held in a unitized fund that consists of stock and cash. The number of shares and the amount of cash may fluctuate daily depending on plan level activity in the fund. Even though no transaction has occurred, this fluctuation may result in an increase or decrease in the number of shares held since the last report filed by the reporting person. /s/ Lisa K. Kunkle, Power of Attorney For: Craig M. Nikrant 2017-02-14