X0306 4 2015-08-15 0 0000820318 II-VI INC IIVI 0001196391 MISTLER THOMAS E 826 WALKER STONE DRIVE CARY NC 27513-8379 1 0 0 0 Common Stock 2015-08-15 4 A 0 4485 17.84 A 18650 D Common Stock 1269772 I By Limited Partnerships Common Stock 361296 I By Trusts Option (Right to buy) 17.84 2015-08-15 4 A 0 8970 0.00 A 2025-08-15 Common Stock 8970 8970 D Restricted stock award granted to reporting person under the Issuer's Amended and Restated 2012 Omnibus Incentive Plan. The award will vest in full three years from the grant date on August 15, 2018. Represents shares held by trusts or limited partnerships for the benefit of members of the reporting person's immediate family and others. The reporting person disclaims beneficial ownership of stock in the trusts and limited partnerships except to the extent of his pecuniary interest therein. This option vests in 5 equal annual installments beginning on August 15, 2016. /s/ Michelle L. Freehling, Attorney-in-Fact 2015-08-18