1 EXHIBIT 4.8 [SPECIMEN NISOURCE INC. COMMON STOCK CERTIFICATE] [Graphic depicting four figures in front of large industrial gear with wings] NISOURCE INC. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE NUMBER SHARES CC COMMON STOCK CUSIP [__________] SEE REVERSE FOR CERTAIN DEFINITIONS THIS CERTIFIES THAT IS THE OWNER OF FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK, PAR VALUE $.01 PER SHARE of NiSource Inc. transferrable on the books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this certificate properly endorsed. This certificate and the shares represented hereby are issued under and shall be subject to all of the provisions of the Certificate of Incorporation and the By-Laws of the Corporation and any amendments thereto, copies of which are on file with the Corporation and the Transfer Agent, to all of which the holder, by acceptance hereof, assents. This certificate is not valid unless countersigned by the Transfer Agent and registered by the Registrar. Witness the seal of the Corporation and the facsimile signatures of its duly authorized officers. Dated: /s/ Nina M. Rausch [NiSource corporate seal] /s/ Gary L. Neale - ----------------------- ----------------------- Secretary Chairman, President and Chief Executive Officer Countersigned and Registered: ChaseMellon Shareholder Services, L.L.C. Transfer Agent and Registrar by Authorized signature 2 NiSource Inc. THE CORPORATION WILL FURNISH WITHOUT CHARGE, TO EACH STOCKHOLDER WHO SO REQUESTS, A COPY OF THE PROVISIONS SETTING FORTH DESIGNATIONS, PREFERENCES AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK OR SERIES THEREOF WHICH THE CORPORATION IS AUTHORIZED TO ISSUE AND THE QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS OF SUCH PREFERENCES AND/OR RIGHTS. ANY SUCH REQUEST MAY BE ADDRESSED TO THE SECRETARY OF THE CORPORATION OR TO THE TRANSFER AGENT NAMED ON THE FACE HEREOF. This certificate also evidences and entitles the holder hereof to certain Rights as set forth in a Rights Agreement between NiSource Inc. and ChaseMellon Shareholder Services, L.L.C., dated as of ________ __, 200_ (the "Rights Agreement"), the terms of which are hereby incorporated herein by reference and a copy of which is on file at the principal executive offices of NiSource Inc. Under certain circumstances, as set forth in the Rights Agreement, such Rights will be evidenced by separate certificates and will no longer be evidenced by this certificate. NiSource Inc. will mail to the holder of this certificate a copy of the Rights Agreement without charge promptly upon receipt of a written request therefor. Under certain circumstances, Rights beneficially owned by any Person who is, was or becomes an Acquiring Person or any Affiliate or Associate thereof (as such terms are defined in the Rights Agreement), whether then held by or on behalf of such Person or by any subsequent holder, may become null and void. The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM -- as tenants in common UNIF GIFT MIN ACT ..... Custodian....... (Cust) (Minor) TEN ENT -- as tenants by the entireties under Uniform Gifts to Minors Act JT TEN -- as joint tenants with rights of survivorship and not as tenants ............................... in common (State) Additional abbreviations may also be used though not in the above list. TRANSFER FORM COMPLETE THIS FORM ONLY WHEN TRANSFERRING TO ANOTHER PERSON For value received _________________________________________ hereby sell assign and transfer unto PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- (please print or typewrite name and address including postal zip code of assignee) - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 3 _______________________________________________________________ Shares of Common Stock represented by the within Certificate, and do hereby irrevocably constitute and appoint _____________________________________________ Attorney to transfer the said stock on the books of the within-named Corporation, with full power of substitution in the premises. Dated ___________________________ AFFIX MEDALLION SIGNATURE GUARANTEE IMPRINT BELOW X -------------------------- (SIGNATURE) X -------------------------- (SIGNATURE) ___________________________ ABOVE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT, OR ANY CHANGE WHATEVER. THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION SUCH AS A SECURITIES BROKER/DEALER, COMMERCIAL BANK & TRUST COMPANY, SAVINGS AND LOAN ASSOCIATION OR A CREDIT UNION PARTICIPATING IN THE MEDALLION PROGRAM APPROVED BY THE SECURITIES TRANSFER ASSOCIATION, INC.