Bid Office, SPAWARSYSCEN, Code D21B, 53570 Silvergate Avenue, Bldg. A33, Room 0061, San Diego, CA 92152-5112

A -- ACOUSTIC SIESMIC SENSORS POC Richard Hammersmith (619) 553-6587 CNT N66001-99-C-8505 AMT $987,828 LINE 0001 DTD 090799 TO SENTECH, Inc. 10 Tower Office Park Suite 415, Woburn, MA 01801 Posted 09/30/99 (W-SN386693). (0273)

Loren Data Corp. http://www.ld.com (SYN# 0276 19991004\A-0014.AWD)