DTE Energy Company Investor Relations Material

The DTE Energy Company supplies and delivers electricity or natural gas across Michigan. Its electric utility operations consist of Detroit Edison, an electric distribution company that serves 2.2 million customers in Southeastern Michigan and a generation company that owns and operates power plants with a total capacity of approximately 6,500 megawatts. The company's natural gas utility operations consist primarily of MichCon, which is doing business as DTE Gas Company and serves 1.2 million customers in Michigan.