HSC/PKV, 3207 North Road, Brooks AFB, TX 78235-5363

C -- OPEN-END, IDIQ CONTRACT FOR A-E SERVICES SOL F41624-98-R-8014 DUE 051898 POC Mark Rounsavill, Contract Specialist, (210) 536-5766 The purpose of this amendment is to identify the compact disc document reader that we will be using is Adobe PDF. The closing date for this announcement remains the same 05/18/98. (0106)

Loren Data Corp. http://www.ld.com (SYN# 0024 19980420\C-0002.SOL)