Exhibit 99.1


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



     In connection  with the  quarterly  report of ESCO  Technologies  Inc. (the
"Company")  on Form 10-Q for the period  ended March 31, 2003 was filed with the
Securities and Exchange  Commission on the date hereof (the "Report"),  I, V. L.
Richey,  Jr., Chairman and Chief Executive Officer of the Company,  certify,  to
the best of my knowledge, pursuant to 18 U.S.C. 1350, as adopted pursuant to 906
of the Sarbanes-Oxley Act of 2002, that:

     (1)  The Report fully  complies with the  requirements  of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934; and

     (2)  The  information  contained  in the  Report  fairly  presents,  in all
          material respects,  the financial  condition and results of operations
          of the Company. of the Company.



                                         /s/ V. L. Richey
                                         ----------------
                                         V. L. Richey
                                         Chairman and Chief Executive Officer
                                         ESCO Technologies Inc.
                                         May 14, 2003