PRESS RELEASE

Lightworks Optical Systems rebrands as II-VI Optical Systems

Lightworks Optical Systems, a wholly-owned subsidiary of II-VI Incorporated (Nasdaq: IIVI),  is pleased to announce the launch of its new name and corporate identity as II-VI Optical Systems, in support of II-VI Inc.’s business unit and divisional restructuring effort.

As a vertically integrated provider of high precision optical assemblies, objectives, infrared optics and components, windows, domes, thin film coatings, and optical materials, II-VI Optical Systems will continue offering its award-winning design engineering, manufacturing, assembly and test capabilities for a variety of applications in the defense, medical, aerospace and commercial markets. II-VI Optical Systems is now positioned in the Military and Materials Group under II-VI Inc.’s Performance Product Segment. Also included in the Military and Materials Group are the II-VI Performance Metals and II-VI Max Levy divisions.

II-VI Optical Systems’ General Manager, Andrew Riser, states, “The re-branding of our company name coincides with the reorganization of II-VI into three operating segments which has streamlined operations and allows our customers access to critical new resources. It also better reflects the technical and financial strength of II-VI Incorporated to provide our customers with world-class product offerings, services, and materials.”

Headquartered in Murrieta, CA, II-VI Optical Systems will continue to operate from its Murrieta and Tustin, CA facilities. For more information about II-VI Optical Systems and its full range of products and capabilities, please call 951-926-2994 or visit www.opticalsystems.com.