Commander, Naval Air Warfare Center, Weapons Division, Code 220000D, 1 Administration Circle, China Lake, CA 93555-6100

56 -- READY MIX CONCRETE, ROCK, SAND, GRAVEL AND GUNITE POC Sue Casey, Contract Specialist, (760) 939-4115, or Theodore W Fiske, Contracting Officer, (760) 939-8182 CNT N68936-00-D-0038 AMT Base Period $79,983.97, Option Period 1 $55,241.09, Option Period 2 $56,617.09, Option Period 3 $58,483.44, Option Period 4 $30,024.10 LINE 0001-0070 DTD 050300 TO Cal Ci Co Rock Co. Inc., 7900 Moss Ave P.O. Box 2426, California City, CA 93505 Posted 05/03/00 (W-SN451052). (0124)

Loren Data Corp. http://www.ld.com (SYN# 0442 20000505\56-0002.AWD)