6.15% NOTES DUE 2013

Exhibit 4.1

UNLESS THIS GLOBAL NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), NEW YORK, NEW YORK, TO NISOURCE FINANCE CORP. AND NISOURCE INC. OR THEIR AGENT OR AGENTS FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY GLOBAL NOTE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO., OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC) ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

TRANSFERS OF THIS GLOBAL NOTE SHALL BE LIMITED TO TRANSFERS IN WHOLE, BUT NOT IN PART, TO NOMINEES OF DTC OR TO A SUCCESSOR THEREOF OR SUCH SUCCESSOR’S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL NOTE SHALL BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN THE INDENTURE REFERRED TO ON THE REVERSE HEREOF.

No.:		$

CUSIP No.: 65473Q AK 9
ISIN No.: US65473QAK94

6.15% Notes due 2013

          NiSource Finance Corp., an Indiana corporation, promises to pay to Cede & Co, or registered assigns, the principal sum of                      on March 1, 2013.

          Interest Payment Dates: March 1 and September 1

          Record Dates: February 15 and August 15

          Additional provisions of this Note are set forth on the other side of this Note.

Dated:                     

		NISOURCE FINANCE CORP.
		By:
		Name:
		Title:
		By:
		Name:
		Title:

TRUSTEE’S CERTIFICATE OF
AUTHENTICATION

This is one of the Notes of the series
referred to in the within-mentioned Indenture.

THE BANK OF NEW YORK,
as Trustee

By:
		Authorized Officer

6.15% Notes due 2013

1. Interest

          NiSource Finance Corp., an Indiana corporation (such corporation, and its successors and assigns under the Indenture hereinafter referred to, being herein called the “Company”), promises to pay interest on the principal amount of this Note at the rate per annum shown above. The Company will pay interest semiannually on March 1 and September 1 of each year, commencing September 1, 2008. Interest on the Notes will accrue from the most recent date to which interest has been paid or, if no interest has been paid, from February 19, 2003. Interest will be computed on the basis of a 360-day year of twelve 30-day months. The Company will pay interest on overdue principal and premium at the above rate and will pay interest on overdue installments of interest at such rate to the extent lawful.

2. Method of Payment

          The Company will pay interest on the Notes (except defaulted interest) to the Persons who are registered Holders of Notes at the close of business on the February 15 or August 15 next preceding the Interest Payment Date even if Notes are canceled after the Record Date and on or before the Interest Payment Date. Holders must surrender Notes to a Paying Agent to collect principal payments. The Company will pay principal and interest in money of the United States that at the time of payment is legal tender for payment of public and private debts. Payments in respect of the Notes represented by a Global Note (including principal, premium, if any, and interest) will be made by wire transfer of immediately available funds to the accounts specified by The Depository Trust Company.

3. Guarantee

          NiSource Inc., a Delaware corporation and parent of the Company, will fully and unconditionally guarantee to each Holder of the Notes and to The Bank of New York (as successor in interest to JPMorgan Chase Bank, N.A. (formerly known as The Chase Manhattan Bank)), as Trustee (the “Trustee”) under the Indenture (as defined below) and its successors all the Obligations of the Company under the Notes, including the due and punctual payment of the principal of, premium, if any, and interest, if any, on the Notes (the “Security Guarantee”). The Security Guarantee applies whether the payment is due at Stated Maturity, on an Interest Payment Date or as a result of acceleration, redemption or otherwise. The Security Guarantee includes payment of interest on the overdue principal of, premium, if any, and interest, if any, on the Notes (if lawful) and all other Obligations of the Company under the Indenture. The Security Guarantee will remain valid even if the Indenture is found to be invalid. NiSource Inc. is obligated under the Security Guarantee to pay any guaranteed amount immediately after the Company’s failure to do so.

4. Paying Agent and Security Registrar

          Initially, the Trustee will act as Paying Agent and Security Registrar. The Company may appoint and change any Paying Agent or Security Registrar without notice to the Holders. The Company may act as Paying Agent or Security Registrar.

5. Indenture

          The Company issued the Notes under an Indenture dated as of November 14, 2000, among the Company, NiSource Inc. and the Trustee (as supplemented, the “Indenture”) and pursuant to an Officers’ Certificate of the Company dated February 19, 2003 (the “Officer’s Certificate”). The terms of the Notes include those stated in the Indenture and the Officer’s Certificate and those made part of the Indenture by reference to the Trust Indenture Act of 1939 (15 U.S.C. sections 77aaa-77bbbb) as in effect on the date of the Officer’s Certificate (the “Act”). Capitalized terms used herein and defined in the Indenture but not defined herein have the meanings ascribed thereto in the Indenture. The Notes are subject to all such terms, and Holders of Notes are referred to the Indenture and the Act for a statement of those terms.

          The Notes are senior unsecured obligations of the Company. The Notes issued on the Issue Date will be treated as a single class for all purposes under the Indenture. The Indenture contains covenants that limit the ability of the Company, NiSource Inc. and their Subsidiaries (other than Utilities) to incur additional indebtedness and create liens on assets unless the total amount of all the secured debt would not exceed 10% of Consolidated Net Tangible Assets. These covenants are subject to important exceptions and qualifications.

6. Optional Redemption

          The Company may redeem all or part of the Notes at any time at its option at a redemption price equal to the greater of (1) the principal amount of the Notes being redeemed plus accrued interest to the Redemption Date or (2) the Make-Whole Amount for the Notes being redeemed. For purposes of this provision:

          “Make-Whole Amount” means the sum, as determined by a Quotation Agent, of the present values of the principal amount of the Notes to be redeemed, together with scheduled payments of interest (exclusive of interest to the Redemption Date) from the Redemption Date to the Stated Maturity of the Notes, in each case discounted to the Redemption Date on a semi-annual basis, assuming a 360-day year consisting of twelve 30-day months, at the Adjusted Treasury Rate, plus accrued interest on the principal amount of the Notes being redeemed to the Redemption Date.

          “Adjusted Treasury Rate” means, with respect to any Redemption Date, (i) the yield, under the heading which represents the average for the immediately preceding week, appearing in the most recently published statistical release designated “H.15 (519)” or any successor publication which is published weekly by the Board of Governors of the Federal Reserve System and which establishes yields on actively traded United States Treasury securities adjusted to constant maturity under the caption “Treasury Constant

Maturities,” for the maturity corresponding to the Comparable Treasury Issue (if no maturity is within three months before or after the remaining term of the Notes, yields for the two published maturities most closely corresponding to the Comparable Treasury Issue shall be determined and the Adjusted Treasury Rate shall be interpolated or extrapolated from such yields on a straight line basis, rounding to the nearest month) or (ii) if such release (or any successor release) is not published during the week preceding the calculation date or does not contain such yields, the rate per year equal to the semi-annual equivalent yield to maturity of the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for such Redemption Date, in each case calculated on the third Business Day preceding the Redemption Date, plus 0.35%.

          “Comparable Treasury Issue” means the United States Treasury security selected by the Quotation Agent as having a maturity comparable to the remaining term from the Redemption Date to the Stated Maturity of the Notes that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the remaining term of the Notes.

          “Comparable Treasury Price” means, with respect to any Redemption Date, if clause (ii) of the definition of Adjusted Treasury Rate is applicable, the average of three, or such lesser number as is obtained by the Trustee, Reference Treasury Dealer Quotations for such Redemption Date.

          “Quotation Agent” means the Reference Treasury Dealer selected by the Trustee after consultation with the Company.