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

29 -- FILTER ELEMENT, OIL CNT SP0480-97-M-G011 AMT $25,809.30 LINE 0001 DTD 061897 TO PTI Technologies Inc Sub of ESCO Electronics Corp 950 Rancho Conejo Blvd P.O.Box 2000 Newbury Park CA 91320-1715 (0170)

Loren Data Corp. http://www.ld.com (SYN# 0519 19970623\29-0002.AWD)