April 26, 2000 Securities and Exchange Commission Operations Center 6432 General Green Way Alexandria, VA 22312-2413 Gentlemen: We are transmitting herewith Vectren Corporation's Current Report on Form 8-K. Very truly yours, /s/James A.Hummel, II James A.Hummel, II JH:tmw SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 of 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 26, 2000 VECTREN CORPORATION (Exact name of registrant as specified in its charter) Indiana 1-15467 35-2086905 (State of Incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 20 N.W. Fourth Street Evansville, Indiana 47741 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code (812)465-5300 N/A (Former name or address, if changed since last report.) Item 5. Other Events On April 26, 2000, Vectren Corporation (the Company) released summary financial information to the investment community regarding the Company's results of operations, financial position and cash flows for the three- and twelve- month periods ended March 31, 2000. The financial information released is included herein. This information is summary in nature, does not include footnote disclosures and should not be considered complete financial statements. In connection with the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995, the Company, is hereby filing cautionary statements identifying important factors that could cause actual results of the company and its subsidiaries, including, Indiana Gas Company, Inc. and Southern Indiana Gas and Electric Company, to differ materially from those projected in forward-looking statements of the Company and its subsidiaries made by, or on behalf of, the Company and its subsidiaries. Item 7. Exhibits 99-1 Press Release - First Quarter 2000 99-2 Financial Analyst Report - First Quarter 2000 99-3 Cautionary Statement for Purposes of the "Safe Harbor" Provisions of the Private Securities Litigation Reform Act of 1995 SIGNATURES 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. VECTREN CORPORATION April 26, 2000 By: /s/ M. Susan Hardwick M. Susan Hardwick Vice President and Controller