SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 _______________ FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) April 2, 2001 NISOURCE INC. --------------------------------------------------------------------- (Exact Name of Registrant as Specified in Its Charter) Delaware 001-16189 35-2108964 ---------------------------------------------------------------------- (State or Other (Commission File Number) (IRS Employer Jurisdiction of Identification No.) Incorporation) 801 E. 86TH AVENUE, MERRILLVILLE, INDIANA 46410 ---------------------------------------------------------------------- (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code (877) 647-5990 --------------------------------------------------------------------- --------------------------------------------------------------------- (Former Name or Former Address, If Changed Since Last Report) --------------------------------------------------------------------- Item 7. Financial Statements, Pro Forma Financial Information and Exhibits. --------------------------------------------------------- Pro Forma Financial Information. The following Pro Forma Financial Information is included in Exhibit 99.1 to this Report and is incorporated herein by reference: (1) Unaudited Pro Forma Combined Condensed Statement of Income from Continuing Operations for the twelve months ended December 31, 2000 and (2) Notes to Unaudited Pro Forma Combined Condensed Statement of Income. The following exhibit is filed herewith: 99.1 Pro Forma Financial Information. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. NISOURCE INC. (Registrant) Dated: April 2, 2001 By: /s/ Jeffrey Grossman --------------------------------------- Name: Jeffrey Grossman Title: Vice President and Controller EXHIBIT INDEX EXHIBIT NUMBER DESCRIPTION -------------- ----------- 99.1 Pro Forma Financial Information. Unaudited Pro Forma Financial Information. The following unaudited pro forma information reflects the historical combined condensed statement of income for continuing operations of NiSource Inc. and Columbia Energy Group after accounting for the acquisition of Columbia by NiSource as a purchase business combination. The unaudited pro forma combined condensed statement of income from continuing operations assumes the acquisition was completed on January 1, 2000. The information presented below is not necessarily indicative of the results of operations that would have occurred had the acquisition actually been completed on such date. The information is also not necessarily indicative of the future results of operations of NiSource. The pro forma statements and notes should be read in conjunction with the historical consolidated financial statements and related notes of NiSource and Columbia.