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 Annual Report of AMETEK, Inc. (the "Company") on
Form 10-K for the year ended December 31, 2002 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, Frank S. Hermance,
Chairman and Chief Executive Officer of the Company, certify, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that to the best of my knowledge:

(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.


/s/ Frank S. Hermance
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Frank S. Hermance
Chairman and Chief Executive Officer
March 12, 2003