EFA Chesapeake, Washington Navy Yard, Building 212, 901 M Street, S.E., Washington, DC 20374-5018

Z -- MAINTENANCE, REPAIR AND ALTERARIONS FOR HVAC & R SYSTEMS POC Charles Plis, Contracting Officer (202) 685-8201 or FAX (202) 685-8236 CNT N62477-00-D-0033 (21-99-A041) AMT $2,803,623.80 DTD 011300 TO Consolidated Engineering Services, 2345 Crystal Drive, Suite 1000, Arlington, VA 22202 Posted 01/18/00 (W-SN416640). (0018)

Loren Data Corp. http://www.ld.com (SYN# 0251 20000120\Z-0004.AWD)