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

I, GREGORY E. MURPHY, the Chairman, President and Chief Executive Officer of
Selective Insurance Group, Inc., (the "Company") hereby certify, pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report of the
Company on Form 10-K for the period ending December 31, 2002, which this
certification accompanies, 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
the information contained in the Form 10-K fairly presents, in all material
respects, the financial condition and result of operations of the Company.

Dated: March 17, 2003


                                        By: /s/ Gregory E. Murphy
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                                        Gregory E. Murphy