Exhibit 99.1


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


In connection with the Quarterly Report of South Jersey Industries (the
"Company") on Form 10-Q for the period ending June 30, 2002 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Charles
Biscieglia, Chairman, President & Chief Executive Officer of the Company,
certify to the best of my knowledge, pursuant to 18 U.S.C. section 1350, as
adopted pursuant to section 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 result of operations of the
Company.





/s/ Charles Biscieglia


Charles Biscieglia
Chairman, President & Chief Executive Officer
August 13, 2002