CMS Energy To Announce Fourth Quarter, Full-year Results, And 2013 Earnings Guidance On Feb. 21

 CMS Energy To Announce Fourth Quarter, Full-year Results, And 2013 Earnings
                             Guidance On Feb. 21

PR Newswire

JACKSON, Mich., Feb. 15, 2013

JACKSON, Mich., Feb. 15, 2013 /PRNewswire/ --CMS Energy announced today that
it will discuss its 2012 results and provide a business and financial outlook,
including 2013 earnings guidance, at 9 a.m. EST on Thursday, Feb. 21.

A webcast of the presentation will be available on CMS Energy's website,
www.cmsenergy.com. An audio replay will be available approximately two hours
after the webcast and will be archived for 30 days on CMS Energy's website in
the "Investor Relations" section.

CMS Energy (NYSE: CMS) is a Michigan-based company that has an electric and
natural gas utility, Consumers Energy, as its primary business and also owns
and operates independent power generation businesses.

For more information on CMS Energy, please visit our web site at:
www.cmsenergy.com

SOURCE CMS Energy

Website: http://www.cmsenergy.com
Contact: Media Contacts: Jeff Holyfield, +1-517-788-2394 or Dan Bishop,
+1-517-788-2395; or Investment Analyst Contact: CMS Energy Investor Relations,
+1-517-788-2590