Exhibit 99.1


                   CERTIFICATION OF PERIODIC REPORT
                   --------------------------------

I, John D. Finnegan, the President and Chief Executive Officer of The
Chubb Corporation (the "Company"), certify, pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1)   the Quarterly Report on Form 10-Q of the Company for the quarter
      ended March 31, 2003 (the "Report") fully complies with the
      requirements of Section 13(a) or 15(d) of the Securities
      Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

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

Dated:  May 15, 2003





                                               /s/ John D. Finnegan
                                               _____________________________
                                               John D. Finnegan
                                               President and Chief Executive
                                               Officer




The foregoing certification is being furnished solely pursuant to 18
U.S.C. 1350 and is not being filed as part of the Report or as a
separate disclosure document.

A signed original of this written statement required by Section 906
has been provided to the Company and will be retained by the Company
and furnished to the Securities and Exchange Commission or its staff
upon request.