COHERENT CORP. — Director's Dealing 2010

May 13, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: II-VI INC (IIVI)
CIK: 0000820318
Period of Report: 2010-05-11

Reporting Person: CORASANTI JOSEPH J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-11	Common Stock	M	2005	$19.095	Acquired	4405	Direct
2010-05-11	Common Stock	S	2005	$35.5	Disposed	2400	Direct
2010-05-12	Common Stock	M	6795	$19.095	Acquired	9195	Direct
2010-05-12	Common Stock	M	9920	$17.84	Acquired	19115	Direct
2010-05-12	Common Stock	S	16715	$35.7571	Disposed	2400	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-11	Option (Right to buy)	$19.095	M	2005	Disposed	2015-02-24	Common Stock (2005)	Direct
2010-05-12	Option (Right to buy)	$19.095	M	6795	Disposed	2015-02-24	Common Stock (6795)	Direct
2010-05-12	Option (Right to buy)	$17.84	M	9920	Disposed	2016-02-10	Common Stock (9920)	Direct

Footnotes

F1: Represents the weighted average sales price of multiple sales transactions ranging in price from $35.53 to $35.89. The reporting person agrees to provide full information regarding the number of shares sold at each separate price upon request by the SEC Commission staff, the Company or a security holder of the Company.

F2: The option vested in five equal annual installments beginning on 2/24/2006.

F3: The option vested in five equal annual installments beginning on 2/10/2007.