Exhibit 23.01
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the following Registration Statements:
| 1. | Registration Statement (Form S-8 No. 033-63739) pertaining to the II-VI Incorporated 1994 Nonemployee Directors Stock Option Plan, |
| 2. | Registration Statement (Form S-8 No. 333-12737) pertaining to the II-VI Incorporated Deferred Compensation Plan, |
| 3. | Registration Statement (Form S-8 No. 333-67121) pertaining to the II-VI Incorporated Stock Option Plan of 1997, |
| 4. | Registration Statement (Form S-8 No. 333-129675) pertaining to the II-VI Incorporated 2005 Omnibus Incentive Plan, |
| 5. | Registration Statement (Form S-8 No. 333-164827) pertaining to the II-VI Incorporated 2009 Omnibus Incentive Plan, |
| 6. | Registration Statement (Form S-8 No. 333-74682) pertaining to the II-VI Incorporated Stock Option Plan of 2001, |
| 7. | Registration Statement (Form S-8 No. 333-184805) pertaining to the II-VI Incorporated 2012 Omnibus Incentive Plan, and |
| 8. | Registration Statement (Form S-8 No. 333-199855) pertaining to the Amended and Restated II-VI Incorporated 2012 Omnibus Incentive Plan; |
of our reports dated August 28, 2018, with respect to the consolidated financial statements and schedule of II-VI Incorporated and Subsidiaries and the effectiveness of internal control over financial reporting of II-VI Incorporated and Subsidiaries included in this Annual Report (Form 10-K) of II-VI Incorporated and Subsidiaries for the year ended June 30, 2018.
/s/ Ernst & Young LLP |
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Pittsburgh, Pennsylvania |
August 28, 2018 |