12th CONTRACTING SQUADRON/LGCX, 395 B STREET WEST, RANDOLPH AFB TX 78150-4525 Attn:HWD/Loralan K. Seiffert

70 -- NOTICE OF INTENT TO EXERCISE OPTION SOL F41691-94-D0013 POC Loralan K. Seiffert tel: 210/652-5111/Lonny P. Weltzer, Contracting Officer, 210/652-5111 As required by FAR 17.207(c)(4), a notice is submitted that the government will exercise the option to extend the term of contract number F41691-94-D0013 for the purchase of IDEF proprietary software for this option year from Knowledge Based Systems. (0216)

Loren Data Corp. http://www.ld.com (SYN# 0551 19950807\70-0012.SOL)