SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (date of earliest event reported): March 22, 2004 II-VI INCORPORATED (Exact name of registrant as specified in its charter) Pennsylvania 0-16195 25-1214948 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification Number) 375 Saxonburg Boulevard, Saxonburg, Pennsylvania 16056 (Address of principal executive offices) (ZIP Code) Registrant's telephone number, including area code: 724-352-4455 Former name or former address, if changed, since last report: Not Applicable Item 5. Other Events And Required FD Disclosure --------------------------------------- On March 22, 2004, II-VI Incorporated (the "Company") issued a press release entitled, "II-VI Incorporated Increases Third Quarter and Fiscal Year Revenues and Earnings Guidance." The full text of the Company's press release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. SIGNATURES ---------- Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. II-VI INCORPORATED (Registrant) Date: March 23, 2004 By: /s/ Carl J. Johnson Carl J. Johnson Chairman and Chief Executive Officer Date: March 23, 2004 By: /s/ Craig A. Creaturo Craig A. Creaturo Chief Accounting Officer and Treasurer EXHIBIT INDEX ------------- Exhibit No. Description 99.1 Press Release