October 29, 2008

CMS Energy to Announce Third Quarter Results on Nov. 5

JACKSON, Mich., Oct. 29 /PRNewswire-FirstCall/ -- CMS Energy announced today that it will discuss its third quarter results and provide a business and financial outlook at 9 a.m. EST on Wednesday, Nov. 5.

The presentation will be available on CMS Energy's website, http://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 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: http://www.cmsenergy.com/

CMS Energy

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

Web site: http://www.cmsenergy.com/