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-K for the fiscal year ended December 31, 2002
as filed with the Securities and Exchange Commission on the date hereof (the
"Report"), I, Barrett Hatches, President 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
----------------------------------------
Barrett Hatches
President and Chief Executive Officer

March 11, 2003