SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Amendment No. 1 to FORM 10-Q Quarterly Report under Section 13 or 15 (d) of the Securities Exchange Act of 1934 For the six months ended April 30, 2003 Commission file number 0-13880 ENGINEERED SUPPORT SYSTEMS, INC. (Exact name of Registrant as specified in its charter) Missouri 43-1313242 (State of Incorporation) (IRS Employer Identification Number) 201 Evans Lane, St. Louis, Missouri 63121 (Address of principal executive offices) (Zip Code) Registrant's telephone number including area code: (314) 553-4000 Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15 (d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes X No --- --- Indicate by check mark whether the Registrant is an accelerated filer (as defined by Rule 12b-2 of the Exchange Act). Yes X No --- --- The number of shares of the Registrant's common stock, $.01 par value, outstanding at May 30, 2003 was 16,123,957. The purpose of this amendment is to include the final Employment Agreement with Gerald E. Daniels dated April 1, 2003. PART II OTHER INFORMATION Items 1-5 Not applicable. Item 6 Exhibits and Reports on Form 8-K. (a) Exhibits 4. Credit Agreement dated as of April 23, 2003 among Engineered Support Systems, Inc., Bank of America, N.A. and the Other Lenders Party Hereto 10. Employment Agreement with Gerald E. Daniels dated April 1, 2003* 11. Statement Re: Computation of Earnings Per Share 99.1 Certification of Chief Executive Officer 99.2 Certification of Chief Financial Officer <FN> *Filed herewith. (b) During the quarter ended April 30, 2003, the Company filed the following reports on Form 8-K: (1) Form 8-K dated March 6, 2003 regarding announcement of a non-binding letter of intent to purchase all of the outstanding stock of Technical and Management Services Corporation (TAMSCO). (2) Form 8-K dated April 2, 2003 regarding the Company's restructuring plan for its Sanford, Florida facility. (3) Form 8-K dated April 21, 2003 regarding completion of of the sale of Engineered Specialty Plastics, Inc. 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. ENGINEERED SUPPORT SYSTEMS, INC. Date: June 16, 2003 By: /s/ Gerald E. Daniels ----------------------- ------------------------------- Gerald E. Daniels Vice Chairman and Chief Executive Officer Date: June 16, 2003 By: /s/ Gary C. Gerhardt ----------------------- ------------------------------- Gary C. Gerhardt Vice Chairman and Chief Financial Officer