EEO awarded $2.2M to improve producibility of large area sapphire panels in support of Joint Strike Fighter (JSF) program

Media Contact

Katherine St. John, Business Development Manager

951-926-7635

kstjohn@exotic-eo.com

Murrieta, California, November 27, 2006 - Exotic Electro-Optics (EEO) a subsidiary of II- VI Incorporated today announced it has received a follow on award of $2.2M to improve producibility of large area sapphire panels in support of the Joint Strike Fighter (JSF) Program. This latest effort is coordinated through Air Force Research Laboratories and the University of Dayton Research Institute.

“This follow on funding is critical to the continued advancement of sapphire material for defense applications. These efforts should improve system performance, and reduce manufacturing cost as well” said Evan Lundstedt, Director, Programs & Business Development.

Jim Martinelli, Vice President of Government and Military Businesses, II-VI Incorporated commented, “This is our second major R&D contract award in support of the JSF program funded through AFRL. Our continued success in this area is a tribute to EEO’s technical progress and leadership in this important technology. EEO and II-VI Incorporated have been dedicated to manufacturing research and development activity for many years aimed at improving product performance and achieving long-term product affordability”.

For more information about LightWorks Optics, Inc., please call 714-247-7175, or visit the website at www.lightworksoptics.com.

About EEO

Exotic Electro-Optics (EEO) is a subsidiary of II-VI, Inc. (NASDAQ: IIVI). EEO is an established supplier of military and aerospace infrared optical components and subassemblies for reconnaissance, targeting, navigation, and electro-optical imaging systems. EEO also specializes in domes and large area windows made from almost all IR materials.

This press release may contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21 E of the Securities and Exchange Act of 1934, as amended, which reflect the Company's current judgment on certain issues. Because such statements apply to future events, they are subject to risk and uncertainties that could cause the actual results to differ materially. Important factors, which could cause actual results to differ materially, are described in the Company's reports on Form 10-K and 10-Q on file with the Securities and Exchange Commission.

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