CMS Energy Corporation 5.875% J (CMS) 8-K Other Events

Exhibit 99.1

The expenses to be incurred by CMS Energy relating to the offering of $300,000,000 principal amount of its 5.05% Senior Notes due 2022, under CMS Energy’s Registration Statement on Form S-3 (Registration No. 333-174906) and a related prospectus supplement filed with the Securities and Exchange Commission and dated March 7, 2012 are estimated to be as follows:

Estimated Fees

SEC Registration Fee	$	34,380.00
Services of Independent Registered Public Accounting Firms		90,000.00
Trustee Fees and Expenses		10,000.00
Legal Fees and Expenses		20,000.00
Rating Agency Fees		225,000.00
Printing and Delivery Expenses		15,000.00
Miscellaneous Expenses		55,000.00
Total	$	449,380.00