Release Date: November 8, 2004 Contact: Craig A. Creaturo Chief Accounting Officer and Treasurer 724/352-4455 ccreaturo@ii-vi.com Homepage: www.ii-vi.com II-VI Incorporated Announces Shareholders' Meeting Results and Committees of the Board of Directors PITTSBURGH, PA - November 8, 2004 - II-VI Incorporated (NASDAQ NMS: IIVI) announced today the results of its Annual Meeting of Shareholders held on November 5, 2004. Re-elected to the Company's Board of Directors were Peter W. Sognefest, President, Chief Executive Officer and Chairman of South East Asia Manufacturing Operations Consultancy (SEAMOC) and Francis J. Kramer, President and Chief Operating Officer of II-VI Incorporated. The two newly elected directors join existing directors Joseph J. Corasanti, President and Chief Operating Officer of CONMED Corporation, Dr. Carl J. Johnson, Chairman and Chief Executive Officer of II-VI Incorporated, Duncan A.J. Morrison, Chairman of ARRI Canada Ltd., Thomas E. Mistler, Operating Partner of Buckingham Capital Partners, and Marc Y.E. Pelaez, Rear Admiral, United States Navy (retired). In addition to the election of directors, the shareholders of the Company also ratified the Board of Directors' selection of Deloitte & Touche LLP as the Company's independent registered public accounting firm for the fiscal year ending June 30, 2005 and approved an amendment to the Company's Articles of Incorporation to increase the number of shares of common stock that are authorized to issue from 30,000,000 to 100,000,000 shares. Immediately following the Annual Meeting of Shareholders, the Company's Board of Directors appointed Thomas E. Mistler to serve as Lead Independent Director. Also, the Company's Board of Directors appointed the following directors to serve as members of the various committees of the Board of Directors: - Audit Committee Duncan A.J. Morrison, Chairman Joseph J. Corasanti Thomas E. Mistler - Compensation Committee Peter W. Sognefest, Chairman Joseph J. Corasanti Thomas E. Mistler Duncan A.J. Morrison Marc Y.E. Pelaez - Nominating and Corporate Governance Committee Thomas E. Mistler, Chairman Marc Y.E. Pelaez Peter W. Sognefest Headquartered in Saxonburg, Pennsylvania, II-VI Incorporated designs, manufactures and markets optical and opto-electronic components, devices and materials for infrared, near-infrared, visible light, x-ray and gamma-ray instrumentation. The Company's infrared optics business manufactures optical and opto-electronic components sold under the II- VI brand name and used primarily in CO2 lasers. The Company's near- infrared optics business 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 at the Company's VLOC subsidiary. The Company's military infrared optics business manufactures infrared products for military applications under the Exotic Electro-Optics (EEO) brand name. 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 Company's 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. CONTACT: Craig A. Creaturo, Chief Accounting Officer and Treasurer of II- VI Incorporated, 724-352-4455, or e-mail, ccreaturo@ii-vi.com. # # # #