=============================================================================== 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): May 7, 2002 MANTECH INTERNATIONAL CORPORATION ------------------------------------------------------------------------------- (Exact Name of Registrant as Specified in Charter) Delaware 000-49604 22-1852179 ----------------------------- ---------------------- -------------------- (State or Other Jurisdiction (Commission (IRS Employer of Incorporation) File Number) Identification No.) 12015 Lee Jackson Highway, Fairfax, VA 22033 -------------------------------------------------------- -------------------- (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code: (703) 218-6000 -------------- N/A ------------------------------------------------------------------------------- (Former Name or Former Address, if Changed Since Last Report) =============================================================================== Item 9. Regulation FD Disclosure. On May 7, 2002, ManTech International Corporation (the "Company") issued a press release, announcing its earnings for the quarter ended March 31, 2002. This press release underreported the amount of the Company's GSA schedule contract value as of March 31, 2002, and contained one other clerical error. A copy of the corrected press release is attached as an exhibit hereto. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has caused this current report to be signed on its behalf by the undersigned hereunto duly authorized. MANTECH INTERNATIONAL CORPORATION Date: May 16, 2002 By: /s/ George J. Pedersen ------------------------------------ Name: George J. Pedersen Title: Chairman of the Board, Chief Executive Officer and President 2