Department of the Treasury, Internal Revenue Service, 6009 Oxon Hill Road, Suite 700, ATTN: M:P, Oxon Hill, MD 20745

U -- UMBRELLA CONTRACTS FOR TRAINING AND PERFORMANCE DEVELOPMENT POC Steven G. VanderLinden, (202) 283-1379 CNT TIRNO-98-D-00023 AMT $13,588,401 LINE Service Area 6 DTD 040198 TO AB Technologies, Inc., 1600 N. Beauregard St., Suite 300, Alexandria, VA 22311-1720 WEB: Umbrella Training Contracts, http://www.procurement.irs.gov (after 040198). (0086)

Loren Data Corp. http://www.ld.com (SYN# 0399 19980331\U-0016.AWD)