CMS Energy Corporation 5.875% J (CMS) 8-K Regulation FD Disclosure

Consumers

Energy

Electric

Rate

Case

Settlement

Exhibit 99.1

Further support of constructive regulatory environment

First Consumers Energy electric uncontested settlement

Amount sufficient to support 2013 guidance of $1.63-$1.66

$89 million annualized rate increase

10.3% Return on Equity

No adjustment mechanisms

MPSC to decide Advanced Metering Infrastructure Program issues

Significance

Terms

Rate reduction for large business customers eliminates rate skewing in

compliance

with

2008

Energy

Act