1 EXHIBIT 4.183 SUPPORT AGREEMENT BETWEEN DTE ENERGY COMPANY AND DTE CAPITAL CORPORATION THIS SUPPORT AGREEMENT, dated as of January 21, 1998 is between DTE ENERGY COMPANY, a Michigan corporation ("Parent"), and DTE CAPITAL CORPORATION, a Michigan corporation ("Subsidiary"). WHEREAS, Parent is the owner of 100% of the outstanding common stock of Subsidiary; and further WHEREAS, Subsidiary intends from time to time to guarantee up to $60 million in the aggregate of the obligations of DTE Energy Trading, Inc., a Michigan corporation and wholly-owned subsidiary of Parent ("Trading"), and DTE-CoEnergy, L. L.C., formed in Michigan and an affiliate of Parent and Subsidiary ("DTE-CoEnergy"); and further WHEREAS, Subsidiary may from time to time make borrowings from the lenders party to the $400,000,000 Amended and Restated Credit Agreement (such agreement as it may be amended and in effect from time to time, the "Credit Agreement"), dated as of January 21, 1998 among the Subsidiary, the lenders party thereto, Citibank, N.A., as Agent and Barclays Bank PLC., New York Branch and The First National Bank of Chicago, as Co-Agents; and further WHEREAS, Parent and Subsidiary desire to take certain actions to enhance and maintain the financial condition of Subsidiary as hereinafter set forth in order to enable Subsidiary and Trading and DTE-CoEnergy to guarantee and incur indebtedness, respectively, on more advantageous and reasonable terms; and further WHEREAS, the parties receiving guarantees from Subsidiary of the obligations of Trading and/or DTE-CoEnergy may rely upon this Agreement in extending credit to Trading and/or DTE-CoEnergy and in accepting Subsidiary's guarantee(s); NOW, THEREFORE, in consideration of the premises, and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the Parent and Subsidiary agree as follows: 2 1. STOCK OWNERSHIP. During the term of this Agreement, Parent will own all of the voting common stock of Subsidiary and The Detroit Edison Company ("DECo") now or hereafter issued and outstanding. 2. NEGATIVE PLEDGE. During the term of this Agreement, Parent will not create or suffer to exist any lien, security interest or other charge or encumbrance, upon or with respect to any voting common stock of DECo from time to time owned by Parent or any capital stock of Subsidiary from time to time owned by Parent, provided, however, that any restriction on the payment of dividends by DECo or Subsidiary contained in any subordinated debt instrument, preferred stock or preference stock of DECo or Subsidiary shall not constitute a lien, security interest or other charge or encumbrance. 3. LIQUIDITY PROVISION. If, during the term of this Agreement, Subsidiary is unable to make timely payment of such amounts as shall be due and payable pursuant to a guarantee issued by Subsidiary and running to the benefit of any obligee ("Obligee") of Trading and/or DTE-CoEnergy, then, Parent promptly shall provide to Subsidiary, at its request, such funds (in the form of cash or liquid assets) in an amount sufficient to permit Subsidiary to make timely payment in respect of such guarantee. If such funds are advanced to Subsidiary as a loan, such loan shall be on such terms and conditions, including maturity and rate of interest, as Parent and Subsidiary shall agree. Notwithstanding the foregoing, any such loan shall be subordinated to any and all obligations of Subsidiary owing to any Lender pursuant to the terms of the Credit Agreement and such amounts as shall be owing pursuant to guarantees issued by Subsidiary for the benefit of Obligees of Trading and/or DTE-CoEnergy. Each of the parties hereto acknowledges that Parent's obligations hereunder do not constitute a guarantee by Parent of the obligations of Subsidiary. 4. WAIVERS. Parent hereby waives any failure or delay on the part of Subsidiary in asserting or enforcing any of its rights or in making any claims or demands hereunder. 5. AMENDMENT, - SUSPENSION. This Agreement may be amended or terminated at any time by written amendment or agreement signed by both parties; provided, however, that except as set forth in the next succeeding sentence, no amendment to the Agreement which adversely affects the rights of Subsidiary or any Obligee and no termination of this Agreement shall be effective as to Subsidiary or 2 3 any Obligee until such time as all amounts contingently owing to all Obligees by Subsidiary on the date of such amendment or termination shall have been paid in full or adequate provision has been made for the payment of same unless such Obligees shall consent in writing to the contrary. 6. RIGHTS OF OBLIGEE. Subsidiary hereby grants to the Obligees, Subsidiary's rights under Sections 1, 2, 3 and 4 of this Agreement, and, if Subsidiary fails or refuses to take timely action to enforce its rights under Sections 1, 2, 3 or 4 of this Agreement, any Obligee may enforce such rights on behalf of Subsidiary directly against Parent. Parent hereby consents to such grant. 7. PARITY. Parent's obligations hereunder shall be pari passau with Parent's obligations (a) under that certain Support Agreement ("Credit Agreement Support Agreement") dated as of January 21, 1998, between Parent and Subsidiary and relating to the Credit Agreement and (b) under such additional support agreements as are contemplated by the Credit Agreement Support Agreement. 8. NOTICES. Any notice, instruction, request, consent, demand or other communication required or contemplated by this Agreement shall be in writing, shall be given or made by United States first class mail, telex, facsimile transmission or hand delivery, addressed as follows: If to parent: 2000 2nd Avenue Detroit, Michigan 48226-1279 Attention: Assistant Treasurer-Banking Telephone: (313) 235-6898 Facsimile: (313) 235-9490 If to Subsidiary: 2000 2nd Avenue, 833 WCB Detroit, Michigan 48226-1279 Attention: Assistant Treasurer Telephone: (313) 235-6898 Facsimile: (313) 235-9490 9. SUCCESSORS. This Agreement shall be binding upon the parties hereto and their respective successors and assigns and is also intended for the benefit of Obligees, and, notwithstanding that such Obligees are not parties hereto, Obligees shall be entitled to the full benefits of this Agreement and to enforce the covenants 3 4 and agreements contained herein as set forth in Section 6. This Agreement is not intended for the benefit of any person other than Obligees and shall not confer or be deemed to confer upon any such person any benefits, rights or remedies hereunder. 10. GOVERNING LAW. This Agreement shall be governed by the laws of the State of Michigan. DTE ENERGY COMPANY BY ------------------------------------ NAME: L. L. LOOMANS TITLE: VICE-PRESIDENT AND TREASURER DTE CAPITAL CORPORATION BY ------------------------------------ NAME: C. C. ARVANI TITLE: ASSISTANT TREASURER 4