PITTSBURGH, April 16 /PRNewswire-FirstCall/ -- II-VI (Nasdaq Global Select: IIVI) announces the following Webcast: What: II-VI Webcast When: April 22, 2008 @ 9:00 AM Eastern Where: http://www.videonewswire.com/event.asp?id=47044 How: Live over the Internet -- Simply log on to the web at the address above. Contact: Michelle Freehling, II-VI Incorporated, (724) 352-5259 If you are unable to participate during the live webcast, the call will be archived on the Web site http://www.ii-vi.com/. II-VI Incorporated, a worldwide leader in engineered materials and components, is a vertically-integrated manufacturing company that creates and markets products for a diversified customer base including industrial manufacturing, military and aerospace, medical radiology, high-power electronics and telecommunications, and thermoelectronics applications. Headquartered in Saxonburg, Pennsylvania, with manufacturing, sales, and distribution facilities worldwide, the Company produces numerous crystalline compounds including zinc selenide for infrared laser optics, cadmium zinc telluride for gamma radiation detectors, silicon carbide for high-power electronic and microwave applications, and bismuth telluride for thermoelectric coolers. In the Company's infrared optics business, II-VI Infrared manufactures optical and opto-electronic components for industrial laser and thermal imaging systems, and HIGHYAG Lasertechnologie GmbH (HIGHYAG) manufactures fiber-delivered beam delivery systems and processing tools for industrial lasers. In the Company's near-infrared optics business, VLOC, manufactures near-infrared and visible light products for industrial, scientific, military and medical instruments and laser gain materials and products for solid-state YAG and YLF lasers. In the Company's military & materials business, Exotic Electro-Optics (EEO) manufactures infrared products for military applications, and Pacific Rare Specialty Metals & Chemicals (PRM) produces and refines selenium and tellurium materials. In the Company's Compound Semiconductor Group, the eV PRODUCTS division manufactures and markets solid-state x-ray and gamma-ray sensor products and materials for use in medical, industrial, environmental, scientific and homeland security applications; the Wide Bandgap Materials (WBG) group manufactures and markets single crystal silicon carbide substrates for use in the solid-state lighting, wireless infrastructure, RF electronics and power switching industries; the Marlow Industries, Inc. subsidiary designs and manufactures thermoelectric cooling and power generation solutions for use in defense, space, photonics, telecommunications, medical, consumer and industrial markets; and, the Worldwide Materials Group (WMG) provides expertise in materials development, process development, and manufacturing scale up. DATASOURCE: II-VI Incorporated CONTACT: Michelle Freehling of II-VI Incorporated, +1-724-352-5259 Web site: http://www.ii-vi.com/

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