THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

DTE Energy Company (DTE)

3/24/2006 Proxy Information

Mr. Glancy was the Chairman and Chief Executive Officer of MCN at the time of the DTE/ MCN merger in 2001. In connection with the merger, we entered into an agreement with Mr. Glancy which, among other things, states that (a) we agreed to nominate Mr. Glancy to the Board in accordance with our normal procedures until he reaches the mandatory retirement age for Board members; (b) Mr. Glancy will receive personal secretarial services for three days a week until he attains the age of 70; (c) for as long as Mr. Glancy remains a member of our Board, we will provide him with a home security system; (d) in the event that the Internal Revenue Service determines or claims that any payments or benefits provided to Mr. Glancy constitute “excess parachute payments,” we will make a tax reimbursement payment to him in accordance with the agreement; and (e) we will indemnify Mr. Glancy from any actions, suits or proceedings in connection with the agreement. Mr. Glancy pays taxes on the imputed income relating to the secretarial services and home security system.

In addition, Mr. Hennessey and Mr. Sims were directors of MCN at the time of the merger. The shares each director owned under the MCN Deferred Compensation Plan were converted to cash at the time of the merger and placed in cash balance accounts for each director. The cash balance accounts are managed by the Company, with interest accumulating at a 10 year Treasury rate, with a 10 year payout beginning in 2001. During 2005, Mr. Hennessey received $74,200 and Mr. Sims received $65,600.

The Company has entered into indemnification agreements with each of its directors and executive officers. These agreements require the Company to indemnify such individuals for certain liabilities to which they may become subject as a result of their affiliation with the Company.

Mr. Lobbia retired as Chairman and Chief Executive Officer of DTE Energy Company in 1998.

3/22/2005 Proxy Information

Mr. Glancy was the Chairman of MCN at the time of the DTE/ MCN merger in 2001. In connection with the merger, we entered into an agreement with Mr. Glancy which, among other things, states that (a) we agreed to nominate Mr. Glancy to the Board in accordance with our normal procedures until he reaches the mandatory retirement age for Board members; (b) Mr. Glancy will receive personal secretarial services for three days a week until he attains the age of 70; (c) for as long as Mr. Glancy remains a member of our Board, we will provide him with a home security system; (d) in the event that the Internal Revenue Service determines or claims that any payments or benefits provided to Mr. Glancy constitute “excess parachute payments,” we will make a tax reimbursement payment to him in accordance with the agreement; and (e) we will indemnify Mr. Glancy from any actions, suits or proceedings in connection with the agreement.

Mr. John E. Lobbia retired as Chairman and Chief Executive Officer of DTE Energy Company in 1998.

3/25/2004 Proxy Information

John E. Lobbia retired as Chairman and Chief Executive Officer of DTE Energy Company in 1998.

Mr. Glancy was the Chairman of MCN at the time of the DTE/ MCN merger. In connection with the merger, we entered into a termination and consulting agreement with Mr. Glancy under which he agreed to resign from his employment with MCN at the closing of the merger and to provide us with up to 50 hours per month of consulting services until he reached age 65, and during that period we agreed to pay him a $25,000 monthly consulting fee plus $500 for each hour of service rendered in excess of 50 hours per month and to provide him with an office. Mr. Glancy reached age 65 during 2003, at which time his obligation to provide consulting services and our obligation to pay consulting fees and to provide an office ceased. Under the termination and consulting agreement, as supplemented by a later letter agreement: (a) we agreed to nominate Mr. Glancy to the Board in accordance with our normal procedures until he reaches the mandatory retirement age for Board members; (b) Mr. Glancy will receive personal secretarial services for three days a week until he attains the age of 70; (c) for as long as Mr. Glancy remains a member of our Board, we will provide him with a home security system; (d) in the event that the Internal Revenue Service determines or claims that any payments or benefits provided to Mr. Glancy constitute “excess parachute payments,” we will make a tax reimbursement payment to him in accordance with the agreement; and (e) we will indemnify Mr. Glancy from any actions, suits or proceedings in connection with the agreement.

3/17/2003 Proxy Information

Mr. Glancy was the Chairman of MCN at the time of the DTE/MCN merger. The Proxy Statement received by shareholders on or about April 9, 2001, provided detailed information with respect to the merger between MCN and DTE and discussed a termination and consulting agreement between DTE and Mr. Glancy. Under the agreement and until his 65th birthday, Mr. Glancy received (i) a $25,000 monthly consulting fee, plus $500 for each hour of service rendered which exceeded fifty hours per month, and (ii) an office with furnishings comparable to those Mr. Glancy had as Chairman of MCN. The agreement also states that Mr. Glancy will receive personal secretarial services for three days a week until he attains the age of 70. For as long as Mr. Glancy remains a member of our Board, a home security system shall be provided. In the event that the Internal Revenue Service determines or claims that any payments or benefits provided to Mr. Glancy constitute “excess parachute payments”, Mr. Glancy will receive a tax reimbursement payment in accordance with the agreement. In addition, we will indemnify Mr. Glancy from any actions, suits or proceedings in connection with the consulting agreement.

Mr. Miller is the retired Chairman of Comerica Inc. of which Mr. Earley is a director. Mr. Adderley is the Chairman and Chief Executive Officer of Kelly Services, Inc. In 2002, the Company paid $552,799.58 to Kelly Services, Inc. for temporary help and consulting services. Both Mr. Miller and Mr. Adderley serve on the Organization and Compensation Committee.