X0306 4 2017-03-02 0 0000820318 II-VI INC IIVI 0001191458 KRAMER FRANCIS J C/O II-VI INCORPORATED 375 SAXONBURG BLVD SAXONBURG PA 16056 1 0 0 0 Common Stock 2017-03-02 4 F 0 25000 35.35 D 365108 D Common Stock 2018-03-02 4 F 0 2208 38.1 D 242201 D Common Stock 2018-08-15 4 A 0 13996 0 A 230976 D Common Stock 2018-08-15 4 F 0 6086 45.65 D 224890 D Common Stock 285401 I By Spousal Limited Access Trust Common Stock 89657 I By GRAT These shares were withheld by the Company to discharge withholding tax obligations of the reporting person and do not constitute an actual sale or other open market transaction. The total number of securities beneficially owned has been adjusted to reflect beneficial ownership of 47 fewer shares that previously were inadvertently included in the amount of securities beneficially owned by the reporting person in prior reports. Represents shares issued upon payout of Performance Share Awards granted in August 2015. The reporting person disclaims beneficial ownership of these securities, other than to the extent of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. /s/ Jeffrey W. Acre, Attorney-in-Fact 2018-08-17