UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                     FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF
THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER
SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.

                                                 Commission File Number:  1-6494

                            INDIANA GAS COMPANY, INC.
- --------------------------------------------------------------------------------

             (Exact name of registrant as specified in its charter)

                INDIANA                                 35-0793669
- -------------------------------------------   ----------------------------------
   (State or other jurisdiction of                    (IRS Employer
    incorporation or organization)                  Identification No.)

   20 N.W. Fourth Street, Evansville, Indiana                   47708
- --------------------------------------------------   ---------------------------
    (Address of principal executive offices)                  (Zip Code)

Registrant's telephone number, including area code: 812-491-4000


         Common Stock - Without Par                        None
- ---------------------------------------------  ---------------------------------
  (Title of each class of securities            (Titles of all other classes of
   covered by this Form)                        securities for which a duty to
                                                file reports under section
                                                13(a) or 15(d)remains)

Please place an X in the box(es) to designate the appropriate rule provision(s)
relied upon to terminate or suspend the duty to file reports:
   -----------------------------------------------------------------------------
   Rule 12g-4(a)(1)(i)   |_|               Rule 12h-3(b)(1)(i)   |X|
   -----------------------------------------------------------------------------
   Rule 12g-4(a)(1)(ii)  |_|               Rule 12h-3(b)(1)(ii)  |_|
   -----------------------------------------------------------------------------
   Rule 12g-4(a)(2)(i)   |_|               Rule 12h-3(b)(2)(i)   |_|
   -----------------------------------------------------------------------------
   Rule 12g-4(a)(2)(ii)  |_|               Rule 12h-3(b)(2)(ii)  |_|
   -----------------------------------------------------------------------------
                                           Rule 15d-6            |X|
   -----------------------------------------------------------------------------

 Approximate number of holders of record as of the certification or notice date:
                      One holder of record of Common Stock


Pursuant to the requirements of the Securities Exchange Act of 1934, Indiana Gas
Company, Inc. has caused this certification/notice to be signed on its behalf by
the undersigned duly authorized person.


Date:    May 6, 2004
- -------------------------------------


By:       /s/  M. Susan Hardwick         Vice President, Controller &
- -------------------------------------    Director (Principal Accounting Officer)
            M. Susan Hardwick