SA-ALC/Contracting Directorate/LPKAH; 485 Quentin Roosevelt Road, Suite 12; Kelly AFB, TX 78241-6419

28 -- SEAL RING METAL SOL F41608-99-R-44392 DUE 092499 POC Ray V. Williams/(210)925-6385 E-MAIL: Send E-Mail to the POC, ray. williams@kelly.af.mil. Purpose of this CBD modification is to correct email address of buyer as follows: FROM: ray.williams@lpgate1.kelly.af.mil TO: ray.williams@kelly.af.mil Posted 08/24/99 (D-SN371704). (0236)

Loren Data Corp. http://www.ld.com (SYN# 0403 19990826\28-0006.SOL)