Defense Threat Reduction Agency, Attn: AM, 45045 Aviation Drive, Dulles, VA 20166-7517

A -- EXERCISE OF OPTION 4 POC Daniel Bertuna, Negotiator, (703) 325-1197; Scott Morton, Contracting Officer, (703) 325-1200 CNT DNA001-95-C-0088-P00007 AMT $404,951.00 DTD 012099 TO PRIME: USSBA, 1100 Vermont Avenue NW, PO Box 34500, Washington, DC 20043-4500; SUB: Research Planning, Inc., 6400 Arlington Boulevard, Suite 1100, Falls Church, VA 22042 Posted 01/25/99 (W-SN290807). (0025)

Loren Data Corp. http://www.ld.com (SYN# 0365 19990127\A-0004.AWD)