SEMCO ENERGY, Inc. Declares Quarterly Dividend

FARMINGTON HILLS, Mich., June 20 /PRNewswire-FirstCall/ -- The Board of Directors of SEMCO ENERGY, Inc. (NYSE: SEN) today declared quarterly dividend No.100 of $.125 per share on the Common Stock of the Company.

The dividend is payable on the 15th day of August 2002, to shareholders of record at the close of business on August 1, 2002.

SEMCO ENERGY, Inc. is a diversified energy and infrastructure company that distributes natural gas to more than 374,000 Customers in Michigan and Alaska. It also owns and operates businesses involved in natural gas pipeline construction services, propane distribution, intrastate pipelines and natural gas storage in various regions of the United States. In addition, it provides information technology and outsourcing services, specializing in the mid-range computer market.

Web site: http: //
CONTACT: Analysts Contact: Thomas Connelly, Director of Investor Relations, +1-248-702-6000, ext. 6240, or Media Contact: Francis R. Lieder, +1-810-987-2200, ext. 4186, Fax: +1-810-989-4098, E-mail: , both of SEMCO ENERGY, Inc.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding SEMCO Energy's business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward-looking statements, see "Risk Factors" in the Company's Annual Report or Form 10-K for the most recently ended fiscal year.