Defense Industrial Supply Center 700 Robbins Ave Phila PA 19111-5096

53 -- SEAL, PLENUM CNT SP0540-00-M-P094 AMT $94,875.00 LINE 0001AA THROUGH 0001AE DTD 042000 TO Burke Industries Inc 13767 Freeway Dr. Santa Fe Springs CA 90670-5504 Posted 04/20/00 (I-SN447062). (0111)

Loren Data Corp. http://www.ld.com (SYN# 0392 20000424\53-0002.AWD)