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 Northern Indiana Public Service
Company (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, Barrett Hatches, President 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:

(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/ Barrett Hatches
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Barrett Hatches
President and Chief Executive Officer

August 9, 2002