Defense Special Weapons Agency, 6801 Telegraph Road, Alexandria, VA 22310-3398

A -- EXERCISE OF OPTION FOR ADDITIONAL AT-401R CONTAINERS POC Herbert A. Thompson, Jr., Negotiator, (703) 325-1182, Edward Archer, Contracting Officer, (703) 325-5028 CNT DNA001-93-C-0209-P00028 AMT $12,604,596 DTD 092597 TO Scientific Ecology Group, Inc., 5301 Sierra Vista, Carlsbad, NM 88220 (0272)

Loren Data Corp. http://www.ld.com (SYN# 0226 19971001\A-0008.AWD)