Exhibit 99.3 Written Statement of the Corporate Secretary Pursuant to 18 U.S.C. Section 1350 Solely for the purposes of complying with 18 U.S.C. Section 1350, I, the undersigned Corporate Secretary of Infodata Systems Inc. (the "Company"), hereby certify, based on my knowledge, that the Quarterly Report on Form 10-QSB of the Company for the quarter ended September 30, 2002 (the "Report") fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934 and that information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ Curtis D. Carlson - ------------------------ Curtis D. Carlson November 14, 2002