1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: August 13, 1998 SEMCO Energy, Inc. (Exact name of registrant as specified in its charter) Michigan 0-8503 38-2144267 (State or other (Commission (I.R.S. Employer jurisdiction of File Number) Identification No.) incorporation) 405 Water Street, Port Huron, Michigan 48060 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code 810-987-2200 2 Item 7.(c) Exhibits. (1) Purchase Agreement between SEMCO Energy, Inc. and Merrill Lynch & Co., Merrill Lynch, Pierce, Fenner & Smith Incorporated, A.G. Edwards & Sons, Inc. and Edward D. Jones & Co., L.P., as Representatives of the several Underwriters pertaining to an offering of 1,600,000 Shares of Common Stock. 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 thereunto duly authorized. SEMCO Energy, Inc. (Registrant) Dated: August 13, 1998 By: /s/ William L. Johnson -------------------------------- William L. Johnson President and C.E.O. -2- 3 EXHIBIT INDEX Form 8-K August 13, 1998 Filed ---------------------------- Exhibit By No. Description Herewith Reference - ------- ----------- -------- --------- 1 Purchase Agreement between SEMCO X Energy, Inc. and Merrill Lynch & Co., Merrill Lynch, Pierce, Fenner & Smith Incorporated, A.G. Edwards & Sons, Inc. and Edward D. Jones & Co., L.P., as Representatives of the several Underwriters pertaining to an offering of 1,600,000 Shares of Common Stock. -3-