X0306 4 2017-08-18 0 0000820318 II-VI INC IIVI 0001699660 Schwendinger Jo Anne C/O II-VI INCORPORATED 375 SAXONBURG BLVD. SAXONBURG PA 16056 0 1 0 0 General Counsel and Secretary Common Stock 2017-08-18 4 A 0 4800 0 A 11712 D Common Stock 2000 I By Spouse These shares represent a restricted stock award granted to the reporting person pursuant to the II-VI Incorporated Amended and Restated 2012 Omnibus Incentive Plan. The award will vest in three equal annual installments beginning on August 18, 2018. 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 2017-08-21