Defense Supply Center Richmond, 8000 Jefferson Davis Highway, Richmond, VA 23297-5000

17 -- SPROCKET ASSEMBLY SOL SP0490-99-Q-N167 DUE 021699 POC Marilyn Brant, CLC05 (804) 279-3462; KO: Syrl Ellis (804) 279-3775. PR YPG98259000323, 1730-00-216-6806, Sprocket Assembly IAW p/n 139C7777, cage 05606. This amendment is to change the following: 1. The closing date is hereby changed to 02/16/99. 2. The Quantity has Increased to 51 Each. 3. All other terms and conditions remain the same. Posted 01/08/99 (W-SN286422). (0008)

Loren Data Corp. http://www.ld.com (SYN# 0133 19990112\17-0004.SOL)