FISC Norfolk Acq Group, Hampton Roads Detachment, 1968 Gilbert St., Suite 600, Norfolk, VA 23511-3392

W -- LEASE OR RENTAL OF EQUIPMENT SOL N00189-99-Q1028 DUE 022499 POC Alma Peterson, (757)445-2387 This modification is to add the following clauses: Add: 52.212-4 Contract Terms and Conditions -- Commercial Items (Apr 1998) 52.217-5 Evaluation of Options (Jul 1990 52.2217-9 Option to Extend the Term of the Contract (Mar 1989) (a) 30 days prior to expiration date of contract (b) 5 Years 52.232-18 Availability of Funds (Apr 1984) Delete: 52.212-2 Evaluation Commercial Items Posted 02/11/99 (W-SN297612). (0042)

Loren Data Corp. http://www.ld.com (SYN# 0109 19990216\W-0001.SOL)