SEMCO ENERGY, Inc. Invites You to Join Its Second Quarter Conference Call on the Web

NEW YORK, July 24 /PRNewswire/ -- In conjunction with SEMCO ENERGY, Inc.'s (NYSE: SEN) Second Quarter earnings release, you are invited to listen to its conference call that will be broadcast live over the Internet on Tuesday, July 31, 2001 at 11:00 a.m. EDT with Marcus Jackson, President and CEO of SEMCO ENERGY, Inc.

    What:    SEMCO ENERGY, Inc. Second Quarter Earnings Release

    When:    Tuesday, July 31, 2001  -  11:00 a.m. EDT


    How:     Live over the Internet -- Simply log on to the web at the address
             above or click on .


SEMCO ENERGY, Inc. is a diversified energy and infrastructure company that distributes natural gas to more than 367,000 customers in Michigan and Alaska. It also owns and operates businesses involved in natural gas engineering and quality assurance services, 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.

If you are unable to participate during the live webcast, the call will be archived on the Web site . To access the replay, click on "Web Cast" button on the Home Page.

(Minimum Requirements to listen to broadcast: The RealPlayer software, downloadable free from , and at least a 14.4Kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to .)
Web site: http: //
CONTACT: Sebastian Coppola of SEMCO ENERGY, Inc., +1-810-987-2200, ext. 4101, or
Audio: http: //

"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.