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		DTE Energy Company
		2000 2nd Avenue
		Detroit, MI 48226-1279

                    April 10, 2006

Dear Shareholder:

By now, you should have received your Notice of Annual Meeting, Proxy Statement, Annual Report and proxy card for DTE Energy’s 2006 Annual Meeting of Shareholders, scheduled to be held on Thursday, April 27, 2006.

The Board of Directors recommends a vote “FOR” all directors and Proposals 2 and 3.

Proposals 2 and 3, approving the Long-Term Incentive Plan and ratification of the appointment of an independent registered public accounting firm, require approval from a majority of the votes cast. We urge all shareholders who have not yet done so to vote immediately.

Your vote is extremely important to us. Please vote today! You can vote your shares by telephone, Internet, proxy card or in person at the Annual Meeting of Shareholders. However, the fastest way to vote is to use the telephone or Internet. Instructions on how to vote your shares over the telephone or Internet are on the enclosed proxy card.

If you have any questions or if you need assistance voting, please contact Morrow & Co., Inc., our proxy solicitor, at 1-800-607-0088.

We appreciate your participation in the voting process. Thank you for taking the time to vote your shares.

		Sandra Kay Ennis
		Corporate Secretary