CMS Energy Stock Price 35.91 +0.51 10.08.15 04:03 ET About CMS Energy Investor Relations Shareowner Services Corporate Governance Newsroom Environment Corporate Responsibility Careers •••••• MEETING MICHIGAN’S ENERGY NEEDS. We work each day to deliver value to our customers, communities and shareholders. CMS ENERGY STOCK PRICE 8 OCT 2015 04:03 ET 35.91 +0.51 INVESTOR MEETING 2-5 OCTOBER 2015 (PDF 6.4 MB) CMS ENERGY SECOND QUARTER 2015 RESULTS & OUTLOOK 23 JUL 2015 (PDF 5.21 MB) COMPANY NEWS 6 OCT 2015 CONSUMERS ENERGY, HABITAT FOR HUMANITY CELEBRATE WORLD HABITAT DAY WITH COMMITMENT TO SAFE, AFFORDABLE HOUSING Consumers Energy Foundation Gives $200,000 to Neighborh ... 5 OCT 2015 MICHIGAN AND CONSUMERS ENERGY: ECONOMIC DEVELOPMENT WINS ADDING UP Utility and Michigan Policy Makers Working Together to ... More News Investor Relations Investor Presentations Consumers Energy Customer Service Guiding Principles Our History Strategy Site Map Privacy Contact Us Security Consumers Energy Terms of Use © 2015 CMS Energy

CMS Energy Stock Price 33.86 +0.18 09.21.15 04:02 ET About CMS Energy Investor Relations Shareowner Services Corporate Governance Newsroom Environment Corporate Responsibility Careers ••• A CULTURE OF PERFORMANCE. Working hard every day to Leave It Better than We Found It for our customers and shareowners. Home>About CMS Energy>Leadership>Board of Directors LEADERSHIP Board of Directors Officers BOARD OF DIRECTORS DAVID W. JOOS , 61 JON E. BARFIELD , 63 DEBORAH H. BUTLER , 59 KURT L. DARROW , 60 STEPHEN E. EWING , 71 RICHARD M. GABRYS , 73 WILLIAM D. HARVEY , 66 PHILIP R. LOCHNER JR. , 72 JOHN G. RUSSELL , 57 MYRNA M. SOTO , 46 JOHN G. SZNEWAJS , 47 LAURA H. WRIGHT , 55 Site Map Privacy Contact Us Security Consumers Energy Terms of Use © 2015 CMS Energy

CMS Energy Stock Price 33.86 +0.00 09.21.15 05:00 ET About CMS Energy Investor Relations Shareowner Services Corporate Governance Newsroom Environment Corporate Responsibility Careers LEADING THE WAY. “If you have promised anything, carry through with it.” – William A. Foote, company founder Home>About CMS Energy>Our History OUR HISTORY For 125 years, CMS Energy has provided some of the most valuable services in the world. Whether lighting a classroom in Grand Rapids, moving an assembly line in Flint, powering an X-ray machine in a Kalamazoo hospital or heating a home during the winter, CMS Energy is part of the quality of life in Michigan. Consumers Energy was founded in 1886 by William Augustine Foote, a flour mill operator and entrepreneur who enjoyed tinkering with electricity. Foote's innovative vision transformed his company from a small downtown lighting project to one of the nation's largest utility companies. Here is a timeline of key events that define the company and help lay the foundation for CMS Energy. Site Map Privacy Contact Us Security Consumers Energy Terms of Use © 2015 CMS Energy