dte_1Q07Supp

- DTE Energy's consolidated financial position as of March 31, 2007 included total assets of $23.4 billion and total liabilities and shareholders' equity of $23.4 billion. Debt accounted for 53.6% of DTE's total capitalization. - For the first quarter of 2007, DTE Energy reported net income of $134 million, while Detroit Edison and MichCon reported operating earnings of $48 million and $62 million, respectively. - Electric sales for Detroit Edison increased 5% from the prior year quarter due to higher sales in all customer classes except choice customers. Gas sales for MichCon increased 8% due to higher residential and industrial sales.