SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15 (d) of the Securities Exchange Act of 1934 Date of Report: December 12, 2001 ESSEX CORPORATION (Exact name of Registrant as specified in its charter) Commission File No. 0-10772 Virginia 54-0846569 (State or other jurisdiction of (IRS Employer ID No.) incorporation or organization) 9150 Guilford Road Columbia, Maryland 21046-1891 (Address of principal executive office) (Zip Code) Registrant's telephone number, including area code: (301) 939-7000 ESSEX CORPORATION Item 1. Changes in Control of Registrant None. Item 2. Acquisition or Disposition of Assets None. Item 3. Bankruptcy or Receivership None. Item 4. Changes in Registrant's Certifying Accountant None. Item 5. Other Events None. Item 6. Resignations of Registrant's Directors None. Item 7. Financial Statements and Exhibits (c) Exhibits Exhibit 10.25 Flex Lease Agreement Between PHL-OPCO, LP, as Landlord and Essex Corporation, As Tenant, Rivers 95 Columbia, MD Item 8. Change in Fiscal Year Not Applicable. Item 9. Regulation FD Disclosure Not Applicable. 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 hereunto duly authorized. ESSEX CORPORATION (Registrant) DATE: December 12, 2001 /s/Joseph R. Kurry, Jr. -------------------------------------------------------- Joseph R. Kurry, Jr. Sr. Vice President, Treasurer and Chief Financial Officer ESSEX CORPORATION EXHIBIT 10.25 FLEX LEASE AGREEMENT BETWEEN PHL-OPCO, LP, AS LANDLORD AND ESSEX CORPORATION, AS TENANT RIVERS 95 COLUMBIA, MARYLAND