Defense General Supply Center 8000 Jeff Davis Hwy Richmond, VA 23297-5312

16 -- INDICATOR, DIFFERENTIAL CNT SP0460-00-M-PC03 AMT $30,055.08 LINE 0001 THROUGH 0002 DTD 051100 TO PTI Technologies Inc Sub of ESCO Electronics Corp 950 Rancho Conejo Blvd P.O.Box 2000 Newbury Park CA 91320-1715 Posted 05/12/00 (I-SN454154). (0133)

Loren Data Corp. http://www.ld.com (SYN# 0309 20000516\16-0004.AWD)