1 EXHIBIT 4-15 CONFORMED COPY THE DETROIT EDISON COMPANY (2000 Second Avenue, Detroit, Michigan 48226) TO BANKERS TRUST COMPANY (Four Albany Street, New York, New York 10015) AS TRUSTEE ------------------------ INDENTURE Dated as of April 1, 1991 ------------------------ SUPPLEMENTAL TO MORTGAGE AND DEED OF TRUST DATED AS OF OCTOBER 1, 1924 PROVIDING FOR (A) GENERAL AND REFUNDING MORTGAGE BONDS, 1991 SERIES AP, DUE JULY 15, 2008 AND (B) RECORDING AND FILING DATA 2 i TABLE OF CONTENTS* ------------------------ PAGE --- PARTIES.............................................................. 1 RECITALS Original Indenture and Supplementals............................... 1 Issue of Bonds under Indenture..................................... 1 Bonds heretofore issued............................................ 1 Reason for creation of new series.................................. 5 Bonds to be 1991 Series AP......................................... 5 Further Assurance.................................................. 5 Authorization of Supplemental Indenture............................ 5 Consideration for Supplemental Indenture........................... 6 PART I. CREATION OF TWO HUNDRED EIGHTY-EIGHTH SERIES OF BONDS GENERAL AND REFUNDING MORTGAGE BONDS, 1991 SERIES AP Sec. 1. Terms of Bonds of 1991 Series AP............................. 6 Sec. 2. Redemption of Bonds of 1991 Series AP........................ 8 Sec. 3. Redemption in Event of Acceleration.......................... 8 Sec. 4. Consent...................................................... 9 Sec. 5. Form of Bonds of 1991 Series AP.............................. 9 Form of Trustee's Certificate................................ 14 PART II. RECORDING AND FILING DATA Recording and filing of Original Indenture........................... 14 Recording and filing of Supplemental Indentures...................... 14 Recording of Certificates of Provision for Payment................... 18 PART III. THE TRUSTEE Terms and conditions of acceptance of trust by Trustee............... 18 PART IV. MISCELLANEOUS Execution in Counterparts............................................ 18 Testimonium.......................................................... 19 Execution............................................................ 19 Acknowledgements..................................................... 20 Affidavit as to consideration and good faith......................... 21 - ------------------------ * This Table of Contents shall not have any bearing upon the interpretation of any of the terms or provisions of this Indenture. 3 1 PARTIES. SUPPLEMENTAL INDENTURE, dated as of the first day of April, in the year one thousand nine hundred and ninety-one, between THE DETROIT EDISON COMPANY, a corporation organized and existing under the laws of the State of Michigan and a transmitting utility (hereinafter called the "Company"), party of the first part, and BANKERS TRUST COMPANY, a corporation organized and existing under the laws of the State of New York, having its corporate trust office at Four Albany Street, in the Borough of Manhattan, The City and State of New York, as Trustee under the Mortgage and Deed of Trust hereinafter mentioned (hereinafter called the "Trustee"), party of the second part. ORIGINAL WHEREAS, the Company has heretofore executed and delivered its Mortgage INDENTURE AND and Deed of Trust (hereinafter referred to as the "Original Indenture"), SUPPLEMENTALS. dated as of October 1, 1924, to the Trustee, for the security of all bonds of the Company outstanding thereunder, and pursuant to the terms and provisions of the Original Indenture, indentures dated as of, respectively, June 1, 1925, August 1, 1927, February 1, 1931, June 1, 1931, October 1, 1932, September 25, 1935, September 1, 1936, November 1, 1936, February 1, 1940, December 1, 1940, September 1, 1947, March 1, 1950, November 15, 1951, January 15, 1953, May 1, 1953, March 15, 1954, May 15, 1955, August 15, 1957, June 1, 1959, December 1, 1966, October 1, 1968, December 1, 1969, July 1, 1970, December 15, 1970, June 15, 1971, November 15, 1971, January 15, 1973, May 1, 1974, October 1, 1974, January 15, 1975, November 1, 1975, December 15, 1975, February 1, 1976, June 15, 1976, July 15, 1976, February 15, 1977, March 1, 1977, June 15, 1977, July 1, 1977, October 1, 1977, June 1, 1978, October 15, 1978, March 15, 1979, July 1, 1979, September 1, 1979, September 15, 1979, January 1, 1980, April 1, 1980, August 15, 1980, August 1, 1981, November 1, 1981, June 30, 1982, August 15, 1982, June 1, 1983, October 1, 1984, May 1, 1985, May 15, 1985, October 15, 1985, April 1, 1986, August 15, 1986, November 30, 1986, January 31, 1987, April 1, 1987, August 15, 1987, November 30, 1987, June 15, 1989, July 15, 1989, December 1, 1989, February 15, 1990 and November 1, 1990 supplemental to the Original Indenture, have heretofore been entered into between the Company and the Trustee (the Original Indenture and all indentures supplemental thereto together being hereinafter sometimes referred to as the "Indenture"); and ISSUE OF WHEREAS, the Indenture provides that said bonds shall be issuable in one BONDS UNDER or more series, and makes provision that the rates of interest and dates INDENTURE. for the payment thereof, the date of maturity or dates of maturity, if of serial maturity, the terms and rates of optional redemption (if redeemable), the forms of registered bonds without coupons of any series and any other provisions and agreements in respect thereof, in the Indenture provided and permitted, as the Board of Directors may determine, may be expressed in a supplemental indenture to be made by the Company to the Trustee thereunder; and BONDS HERETOFORE WHEREAS, bonds in the principal amount of Five billion six hundred ISSUED. thirty-two million two hundred eighty-two thousand dollars ($5,632,282,000) have heretofore been issued under the Indenture as follows, viz: (1) Bonds of Series A -- Principal Amount $26,016,000, (2) Bonds of Series B -- Principal Amount $23,000,000, (3) Bonds of Series C -- Principal Amount $20,000,000, (4) Bonds of Series D -- Principal Amount $50,000,000, (5) Bonds of Series E -- Principal Amount $15,000,000, (6) Bonds of Series F -- Principal Amount $49,000,000, (7) Bonds of Series G -- Principal Amount $35,000,000, (8) Bonds of Series H -- Principal Amount $50,000,000, (9) Bonds of Series I -- Principal Amount $60,000,000, (10) Bonds of Series J -- Principal Amount $35,000,000, (11) Bonds of Series K -- Principal Amount $40,000,000, (12) Bonds of Series L -- Principal Amount $24,000,000, (13) Bonds of Series M -- Principal Amount $40,000,000, (14) Bonds of Series N -- Principal Amount $40,000,000, 4 2 (15) Bonds of Series O -- Principal Amount $60,000,000, (16) Bonds of Series P -- Principal Amount $70,000,000, (17) Bonds of Series Q -- Principal Amount $40,000,000, (18) Bonds of Series W -- Principal Amount $50,000,000, (19) Bonds of Series BB -- Principal Amount $50,000,000, (20) Bonds of Series CC -- Principal Amount $50,000,000, (21) Bonds of Series UU -- Principal Amount $100,000,000, (22-29) Bonds of Series DDP Nos. 1-8 -- Principal Amount $6,400,000, (30-41) Bonds of Series FFR Nos. 1-12 -- Principal Amount $8,000,000, (42-56) Bonds of Series GGP Nos. 1-6 and 8-16 -- Principal Amount $8,355,000, (57-70) Bonds of Series IIP Nos. 1-6 and 8-15 -- Principal Amount $490,000, (71-76) Bonds of Series JJP Nos. 1-6 -- Principal Amount $690,000, (77-82) Bonds of Series KKP Nos. 1-6 -- Principal Amount $1,590,000, (83-97) Bonds of Series LLP Nos. 1-7 and 8-15 -- Principal Amount $8,850,000, (98-110) Bonds of Series NNP Nos. 1-6 and 8-14 -- Principal Amount $8,450,000, (111-119) Bonds of Series OOP Nos. 1-9 -- Principal Amount $3,015,000, (120-133) Bonds of Series QQP Nos. 1-8 and 10-15 -- Principal Amount $9,710,000, (134-140) Bonds of Series TTP Nos. 1-7 -- Principal Amount $385,000, (141) Bonds of 1980 Series A -- Principal Amount $50,000,000, (142-158) Bonds of 1980 Series CP Nos. 1-12 and 13-17 -- Principal Amount $26,000,000, (159-169) Bonds of 1980 Series DP Nos. 1-11 -- Principal Amount $10,750,000, (170-174) Bonds of 1981 Series AP Nos. 1-5 -- Principal Amount $4,000,000, all of which have either been retired and cancelled, or no longer represent obligations of the Company, having been called for redemption and funds necessary to effect the payment, redemption and retirement thereof having been deposited with the Trustee as a special trust fund to be applied for such purpose; (175) Bonds of Series R in the principal amount of One hundred million dollars ($100,000,000), all of which are outstanding at the date hereof; (176) Bonds of Series S in the principal amount of One hundred fifty million dollars ($150,000,000), all of which are outstanding at the date hereof; (177) Bonds of Series T in the principal amount of Seventy-five million dollars ($75,000,000), all of which are outstanding at the date hereof; (178) Bonds of Series U in the principal amount of Seventy-five million dollars ($75,000,000), all of which are outstanding at the date hereof; (179) Bonds of Series V in the principal amount of One hundred million dollars ($100,000,000), all of which are outstanding at the date hereof; (180) Bonds of Series X in the principal amount of One hundred million dollars ($100,000,000), all of which are outstanding at the date hereof; (181) Bonds of Series Y in the principal amount of Sixty million dollars ($60,000,000), all of which are outstanding at the date hereof; (182) Bonds of Series Z in the principal amount of One hundred million dollars ($100,000,000), all of which are outstanding at the date hereof; (183) Bonds of Series AA in the principal amount of One hundred million dollars ($100,000,000), all of which are outstanding at the date hereof; (184) Bonds of Series DDP No. 9 in the principal amount of Seven million nine hundred five thousand dollars ($7,905,000), of which Two million four hundred 5 3 thousand dollars ($2,400,000) principal amount have heretofore been retired and Five million five hundred five thousand dollars ($5,505,000) principal amount are outstanding at the date hereof; (185) Bonds of Series EE in the principal amount of Fifty million dollars ($50,000,000), of which Thirty-five million dollars ($35,000,000) principal amount have heretofore been retired and Fifteen million dollars ($15,000,000) principal amount are outstanding at the date hereof; (186-187) Bonds of Series FFR Nos. 13-14 in the principal amount of Thirty-seven million six hundred thousand dollars ($37,600,000), all of which are outstanding at the date hereof; (188-194) Bonds of Series GGP Nos. 7 and 17-22 in the principal amount of Thirty-three million nine hundred forty-five thousand dollars ($33,945,000), of which Three million two hundred thousand dollars ($3,200,000) principal amount have heretofore been retired and Thirty million seven hundred forty-five thousand dollars ($30,745,000) principal amount are outstanding at the date hereof; (195) Bonds of Series HH in the principal amount of Fifty million dollars ($50,000,000), all of which are outstanding at the date hereof; (196-197) Bonds of Series MMP and MMP No. 2 in the principal amount of Five million four hundred thirty thousand dollars ($5,430,000), of which One million three hundred eighty thousand dollars ($1,380,000) principal amount have heretofore been retired and Four million fifty thousand dollars ($4,050,000) principal amount are outstanding at the date hereof; (198-205) Bonds of Series IIP Nos. 7 and 16-22 in the principal amount of Three million two hundred sixty thousand dollars ($3,260,000), of which Two hundred twenty thousand dollars ($220,000) principal amount have heretofore been retired and Three million forty thousand dollars ($3,040,000) principal amount are outstanding at the date hereof; (206-207) Bonds of Series JJP Nos. 7-8 in the principal amount of Six million one hundred sixty thousand dollars ($6,160,000), of which Six hundred twenty thousand dollars ($620,000) principal amount have heretofore been retired and Five million five hundred forty thousand dollars ($5,540,000) are outstanding at the date hereof; (208-213) Bonds of Series KKP Nos. 7-12 in the principal amount of One hundred twenty-three million seven hundred ninety thousand dollars ($123,790,000), of which One million three hundred thousand dollars ($1,300,000) principal amount have heretofore been retired and One hundred twenty-two million four hundred ninety thousand dollars ($122,490,000) are outstanding at the date hereof; (214-221) Bonds of Series NNP Nos. 7 and 15-21 in the principal amount of Thirty-nine million five hundred thousand ($39,500,000), of which Two million four hundred seventy-five thousand dollars ($2,475,000) principal amount have heretofore been retired and Thirty-seven million twenty-five thousand dollars ($37,025,000) principal amount are outstanding at the date hereof; (222-230) Bonds of Series OOP Nos. 10-18 in the principal amount of Fifteen million eight hundred sixty-five thousand dollars ($15,865,000), of which Two hundred eighty thousand dollars ($280,000) principal amount have heretofore been retired and Fifteen million five hundred eighty-five thousand dollars ($15,585,000) are outstanding at the date hereof; (231) Bonds of Series PP in the principal amount of Seventy million dollars ($70,000,000), all of which are outstanding at the date hereof; (232-236) Bonds of Series QQP Nos. 9 and 16-19 in the principal amount of Three million nine hundred forty thousand dollars ($3,940,000), all of which are outstanding at the date hereof; 6 4 (237) Bonds of Series RR in the principal amount of Seventy million dollars ($70,000,000), all of which are outstanding at the date hereof; (238) Bonds of Series SS in the principal amount of One hundred fifty million dollars ($150,000,000), of which Ninety million dollars ($90,000,000) principal amount have heretofore been retired and Sixty million dollars ($60,000,000) principal amount are outstanding at the date hereof; (239-246) Bonds of Series TTP Nos. 8-15 in the principal amount of Three million four hundred fifteen thousand dollars ($3,415,000), all of which are outstanding at the date hereof; (247) Bonds of 1980 Series B in the principal amount of One hundred million dollars ($100,000,000), of which Fifty-nine million eight hundred fifty thousand dollars ($59,850,000) principal amount have heretofore been retired and Forty million one hundred fifty thousand dollars ($40,150,000) principal amount are outstanding at the date hereof; (248-255) Bonds of 1980 Series CP Nos. 18-25 in the principal amount of Nine million dollars ($9,000,000), all of which are outstanding at the date hereof; (256-266) Bonds of 1981 Series AP Nos. 6-16 in the principal amount of One hundred twenty million dollars ($120,000,000), all of which are outstanding at the date hereof; (267) Bonds of 1984 Series AP in the principal amount of Two million four hundred thousand dollars ($2,400,000), all of which are outstanding at the date hereof; (268) Bonds of 1984 Series BP in the principal amount of Seven million seven hundred fifty thousand dollars ($7,750,000), all of which are outstanding at the date hereof; (269) Bonds of 1985 Series A in the principal amount of Thirty-five million dollars ($35,000,000), all of which are outstanding at the date hereof; (270) Bonds of 1985 Series B in the principal amount of Fifty million dollars ($50,000,000), all of which are outstanding at the date hereof; (271) Bonds of 1986 Series A in the principal amount of Two hundred million dollars ($200,000,000), all of which are outstanding at the date hereof; (272) Bonds of 1986 Series B in the principal amount of One hundred million dollars ($100,000,000), all of which are outstanding at the date hereof; (273) Bonds of 1986 Series C in the principal amount of Two hundred million dollars ($200,000,000), all of which are outstanding at the date hereof; (274) Bonds of 1987 Series A in the principal amount of Three hundred million dollars ($300,000,000), all of which are outstanding at the date hereof; (275) Bonds of 1987 Series B in the principal amount of One hundred seventy-five million dollars ($175,000,000), all of which are outstanding at the date hereof; (276) Bonds of 1987 Series C in the principal amount of Two hundred twenty-five million dollars ($225,000,000), all of which are outstanding at the date hereof; (277) Bonds of 1987 Series D in the principal amount of Two hundred fifty million dollars ($250,000,000), all of which are outstanding at the date hereof; (278) Bonds of 1987 Series E in the principal amount of One hundred fifty million dollars ($150,000,000), all of which are outstanding at the date hereof; (279) Bonds of 1987 Series F in the principal amount of Two hundred million dollars ($200,000,000), all of which are outstanding at the date hereof; (280) Bonds of 1989 Series A in the principal amount of Three hundred million dollars ($300,000,000), all of which are outstanding at the date hereof; (281) Bonds of 1989 Series BP in the principal amount of Sixty-six million five hundred sixty-five thousand ($66,565,000), all of which are outstanding at the date hereof; 7 5 (282) Bonds of 1990 Series A in the principal amount of One hundred ninety-four million six hundred forty-nine thousand ($194,649,000) of which Six million two hundred seventy-nine thousand ($6,279,000) principal amount have heretofore been retired and One hundred eighty-eight million three hundred seventy thousand ($188,370,000) principal amount are outstanding at the date hereof; (283) Bonds of 1990 Series B in the principal amount of Two hundred fifty-six million nine hundred thirty-two thousand ($256,932,000) of which Nine million five hundred sixteen thousand ($9,516,000) principal amount have heretofore been retired and Two hundred forty-seven million four hundred sixteen thousand ($247,416,000) principal amount are outstanding at the date hereof; and (284) Bonds of 1990 Series C in the principal amount of Eighty-five million four hundred seventy-five thousand ($85,475,000) of which Three million four hundred nineteen thousand ($3,419,000) principal amount have heretofore been retired and Eighty-two million fifty-six thousand ($82,056,000) principal amount are outstanding at the date hereof; and, accordingly, of the bonds so issued, Four billion three hundred forty-two million six hundred forty-two thousand dollars ($4,342,642,000) principal amount are outstanding at the date hereof; and REASON FOR WHEREAS, the Michigan Strategic Fund has issued $32,375,000 principal CREATION OF amount of its Limited Obligation Refunding Revenue Bonds (The Detroit NEW SERIES. Edison Company Pollution Control Bonds Project), Series 1990BB so as to provide funds for the refunding of certain pollution control previously issued to finance pollution control projects of the Company; and WHEREAS, the Company has entered into a Loan Agreement, dated as of July 15, 1990 and amended as of April 1, 1991, with the Michigan Strategic Fund in order to refund certain pollution control bonds, and pursuant to such Loan Agreement the Company has agreed to issue its General and Refunding Mortgage Bonds under the Indenture in order further to secure its obligations under such Loan Agreement; and WHEREAS, for such purposes the Company desires to issue a new series of bonds to be issued under the Indenture and to be authenticated and delivered pursuant to Section 8 of Article III of the Indenture; and BONDS TO BE WHEREAS, the Company desires by this Supplemental Indenture to create 1991 SERIES AP such new series of bonds, to be designated "General and Refunding Mortgage Bonds, 1991 Series AP"; and FURTHER WHEREAS, the Original Indenture, by its terms, includes in the property ASSURANCE. subject to the lien thereof all of the estates and properties, real, personal and mixed, rights, privileges and franchises of every nature and kind and wheresoever situate, then or thereafter owned or possessed by or belonging to the Company or to which it was then or at any time thereafter might be entitled in law or in equity (saving and excepting, however, the property therein specifically excepted or released from the lien thereof), and the Company therein covenanted that it would, upon reasonable request, execute and deliver such further instruments as may be necessary or proper for the better assuring and confirming unto the Trustee all or any part of the trust estate, whether then or thereafter owned or acquired by the Company (saving and excepting, however, property specifically excepted or released from the lien thereof); and AUTHORIZATION WHEREAS, the Company in the exercise of the powers and authority OF SUPPLEMENTAL conferred upon and reserved to it under and by virtue of the provisions of INDENTURE. the Indenture, and pursuant to resolutions of its Board of Directors has duly resolved and determined to make, execute and deliver to the Trustee a supplemental indenture in the form hereof for the purposes herein provided; and 8 6 WHEREAS, all conditions and requirements necessary to make this Supplemental Indenture a valid and legally binding instrument in accordance with its terms have been done, performed and fulfilled, and the execution and delivery hereof have been in all respects duly authorized; CONSIDERATION NOW, THEREFORE, THIS INDENTURE WITNESSETH: That The Detroit Edison FOR SUPPLEMENTAL Company, in consideration of the premises and of the covenants contained INDENTURE. in the Indenture and of the sum of One Dollar ($1.00) and other good and valuable consideration to it duly paid by the Trustee at or before the ensealing and delivery of these presents, the receipt whereof is hereby acknowledged, hereby covenants and agrees to and with the Trustee and its successors in the trusts under the Original Indenture and in said indentures supplemental thereto as follows: PART I. CREATION OF TWO HUNDRED EIGHTY-EIGHTH SERIES OF BONDS. GENERAL AND REFUNDING MORTGAGE BONDS, 1991 SERIES AP CERTAIN TERMS SECTION 1. The Company hereby creates the Two hundred Eighty-eighth OF BONDS OF series of bonds to be issued under and secured by the Original Indenture 1991 SERIES AP as amended to date and as further amended by this Supplemental Indenture, to be designated, and to be distinguished from the bonds of all other series, by the title "General and Refunding Mortgage Bonds, 1991 Series AP" (elsewhere herein referred to as the "bonds of 1991 Series AP"). The aggregate principal amount of bonds of 1991 Series AP shall be limited to Thirty-two million three hundred and seventy-five thousand dollars ($32,375,000), except as provided in Sections 7 and 13 of Article II of the Original Indenture with respect to exchanges and replacements of bonds. Each bond of 1991 Series AP is to be irrevocably assigned to, and registered in the name of, NBD Bank, N.A., as trustee, or a successor trustee (said trustee or any successor trustee being hereinafter referred to as the "Strategic Fund Trust Indenture Trustee"), under the Trust Indenture, dated as of July 15, 1990, as amended April 1, 1991 (hereinafter called the "Strategic Fund Trust Indenture"), between the Michigan Strategic Fund (hereinafter called "Strategic Fund"), and the Strategic Fund Trust Indenture Trustee, to secure payment of the Michigan Strategic Fund Limited Obligation Refunding Revenue Bonds (The Detroit Edison Company Pollution Control Bonds Project), Collateralized Series 1990BB (hereinafter called the "Strategic Fund Revenue Bonds"), issued by the Strategic Fund under the Strategic Fund Trust Indenture, the proceeds of which have been provided for the refunding of certain pollution control bonds which the Company refunded pursuant to the provisions of the Loan Agreement, dated as of July 15, 1990, as amended April 1, 1991 (hereinafter called the "Strategic Fund Agreement"), between the Company and the Strategic Fund. The bonds of 1991 Series AP shall be issued as registered bonds without coupons in denominations of a multiple of $5,000. The bonds of 1991 Series AP shall be issued in the aggregate principal amount of $32,375,000, shall mature on July 15, 2008 and shall bear interest, payable semi-annually on January 15 and July 15 of each year (commencing July 15, 1991), at the rate of 7.0%, until the principal thereof shall have become due and payable and thereafter until the Company's obligation with respect to the payment of said principal shall have been discharged as provided in the Indenture. 9 7 The bonds of 1991 Series AP shall be payable as to principal, premium, if any, and interest as provided in the Indenture, but only to the extent and in the manner herein provided. The bonds of 1991 Series AP shall be payable, both as to principal and interest, at the office or agency of the Company in the Borough of Manhattan, The City and State of New York, in any coin or currency of the United States of America which at the time of payment is legal tender for public and private debts. Except as provided herein, each bond of 1991 Series AP shall be dated the date of its authentication and interest shall be payable on the principal represented thereby from the January 15 or July 15 next preceding the date thereof to which interest has been paid on bonds of 1991 Series AP, unless the bond is authenticated on a date to which interest has been paid, in which case interest shall be payable from the date of authentication, or unless the date of authentication is prior to January 15, 1992, in which case interest shall be payable from July 15, 1991. The bonds of 1991 Series AP in definitive form shall be, at the election of the Company, fully engraved or shall be lithographed or printed in authorized denominations as aforesaid and numbered 1 and upwards (with such further designation as may be appropriate and desirable to indicate by such designation the form, series and denominations of bonds of 1991 Series AP). Until bonds of 1991 Series AP in definitive form are ready for delivery, the Company may execute, and upon its request in writing the Trustee shall authenticate and deliver in lieu thereof, bonds of 1991 Series AP in temporary form, as provided in Section 10 of Article II of the Indenture. Temporary bonds of 1991 Series AP, if any, may be printed and may be issued in authorized denominations in substantially the form of definitive bonds of 1991 Series AP, but with such omissions, insertions and variations as may be appropriate for temporary bonds, all as may be determined by the Company. Bonds of 1991 Series AP shall not be assignable or transferable except as may be required to effect a transfer to any successor trustee under the Strategic Fund Trust Indenture, or, subject to compliance with applicable law, as may be involved in the course of the exercise of rights and remedies consequent upon an Event of Default under the Strategic Fund Trust Indenture. Any such transfer shall be made upon surrender thereof for cancellation at the office or agency of the Company in the Borough of Manhattan, The City and State of New York, together with a written instrument of transfer (if so required by the Company or by the Trustee) in form approved by the Company duly executed by the holder or by its duly authorized attorney. Bonds of 1991 Series AP shall in the same manner be exchangeable for a like aggregate principal amount of bonds of 1991 Series AP upon the terms and conditions specified herein and in Section 7 of Article II of the Indenture. The Company waives its rights under Section 7 of Article II of the Indenture not to make exchanges or transfers of bonds of 1991 Series AP, during any period of ten days next preceding any redemption date for such bonds. Bonds of 1991 Series AP, in definitive and temporary form, may bear such legends as may be necessary to comply with any law or with any rules or regulations made pursuant thereto or as may be specified in the Strategic Fund Agreement. Upon payment of the principal or premium, if any, or interest on the Strategic Fund Revenue Bonds, whether at maturity or prior to maturity by redemption or otherwise, or upon provision for the payment thereof having been made in accordance with Article IV of the Strategic Fund Trust Indenture, bonds of 1991 Series AP in a principal amount equal to the principal amount of such Strategic Fund Revenue Bonds, shall, to the extent of such payment of principal, premium or interest, be deemed fully paid and the obligation of the Company thereunder to make such payment shall forthwith cease and be discharged, and, in the case of the payment of principal and premium, if any, such bonds shall be surrendered for cancellation or presented for appropriate notation to the Trustee. 10 8 REDEMPTION SECTION 2. Bonds of 1991 Series AP shall be redeemed on the respective OF BONDS OF dates and in the respective principal amounts which correspond to the 1991 SERIES AP redemption dates for, and the principal amounts to be redeemed of, the Strategic Fund Revenue Bonds. In the event the Company elects to redeem any Strategic Fund Revenue Bonds prior to maturity in accordance with the provisions of the Strategic Fund Trust Indenture, the Company shall on the same date redeem bonds of 1991 Series AP in principal amounts and at redemption prices corresponding to the Strategic Fund Revenue Bonds so redeemed. The Company agrees to give the Trustee notice of any such redemption of bonds of 1991 Series AP on the same date as it gives notice of redemption of Strategic Fund Revenue Bonds to the Strategic Fund Trust Indenture Trustee. REDEMPTION SECTION 3. In the event of an Event of Default under the Strategic Fund OF BONDS OF 1991 Trust Indenture and the acceleration of all Strategic Fund Revenue Bonds, SERIES AP IN EVENT the bonds of 1991 Series AP shall be redeemable in whole upon receipt by OF ACCELERATION the Trustee of a written demand (hereinafter called a "Redemption Demand") OF STRATEGIC FUND from the Strategic Fund Trust Indenture Trustee stating that there has REVENUE BONDS. occurred under the Strategic Fund Trust Indenture both an Event of Default and a declaration of acceleration of payment of principal, accrued interest and premium, if any, on the Strategic Fund Revenue Bonds, specifying the last date to which interest on the Strategic Fund Revenue Bonds has been paid (such date being hereinafter referred to as the "Initial Interest Accrual Date") and demanding redemption of the bonds of said series. The Trustee shall, within five days after receiving such Redemption Demand, mail a copy thereof to the Company marked to indicate the date of its receipt by the Trustee. Promptly upon receipt by the Company of such copy of a Redemption Demand, the Company shall fix a date on which it will redeem the bonds of said series so demanded to be redeemed (hereinafter called the "Demand Redemption Date"). Notice of the date fixed as the Demand Redemption Date shall be mailed by the Company to the Trustee at least ten days prior to such Demand Redemption Date. The date to be fixed by the Company as and for the Demand Redemption Date may be any date up to and including the earlier of (x) the 60th day after receipt by the Trustee of the Redemption Demand or (y) the maturity date of such bonds first occurring following the 20th day after the receipt by the Trustee of the Redemption Demand; provided, however, that if the Trustee shall not have received such notice fixing the Demand Redemption Date on or before the 10th day preceding the earlier of such dates, the Demand Redemption Date shall be deemed to be the earlier of such dates. The Trustee shall mail notice of the Demand Redemption Date (such notice being hereinafter called the "Demand Redemption Notice") to the Strategic Fund Trust Indenture Trustee not more than ten nor less than five days prior to the Demand Redemption Date. Each bond of 1991 Series AP shall be redeemed by the Company on the Demand Redemption Date therefore upon surrender thereof by the Strategic Fund Trust Indenture Trustee to the Trustee at a redemption price equal to the principal amount thereof plus accrued interest thereon at the rate specified for such bond from the Initial Interest Accrual Date to the Demand Redemption Date plus an amount equal to the aggregate premium, if any, due and payable on such Demand Redemption Date on all Strategic Fund Revenue Bonds; provided, however, that in the event of a receipt by the Trustee of a notice that, pursuant to Section 606 of the Strategic Fund Trust Indenture, the Strategic Fund Trust Indenture Trustee has terminated proceedings to enforce any right under the Strategic Fund Trust Indenture, then any Redemption Demand shall thereby be rescinded by the Strategic Fund Trust Indenture Trustee, and no Demand Redemption Notice shall be given, or, if already given, shall be automatically annulled; but no such rescission or annulment shall extend to or affect any subsequent default or impair any right consequent thereon. 11 9 Anything herein contained to the contrary notwithstanding, the Trustee is not authorized to take any action pursuant to a Redemption Demand and such Redemption Demand shall be of no force or effect, unless it is executed in the name of the Strategic Fund Trust Indenture Trustee by its President or one of its Vice Presidents. CONSENT. SECTION 4. The holders of the bonds of 1991 Series AP, by their acceptance of and holding thereof, consent and agree that bonds of any series may be issued which mature on a date or dates later than October 1, 2024 and also consent to the deletion from the first paragraph of Section 5 of Article II of the Indenture of the phrase "but in no event later than October 1, 2024". Such holders further agree that (a) such consent shall, for all purposes of Article XV of the Indenture and without further action on the part of such holders, be deemed the affirmative vote of such holders at any meeting called pursuant to said Article XV for the purpose of approving such deletion, and (b) such deletion shall become effective at such time as not less than eighty-five per cent (85%) in principal amount of bonds outstanding under the Indenture shall have consented thereto substantially in the manner set forth in this Section 4, or in writing, or by affirmative vote cast at a meeting called pursuant to said Article XV, or by any combination thereof. FORM OF BONDS SECTION 5. The bonds of 1991 Series AP and the form of Trustee's OF 1991 SERIES AP Certificate to be endorsed on such bonds shall be substantially in the following forms, respectively: 12 10 [FORM OF FACE OF BOND] THE DETROIT EDISON COMPANY GENERAL AND REFUNDING MORTGAGE BOND 1991 SERIES AP, 7.0% DUE JULY 15, 2008 Notwithstanding any provisions hereof or in the Indenture, this bond is not assignable or transferable except as may be required to effect a transfer to any successor trustee under the Trust Indenture, dated as of July 15, 1990 and amended as of April 1, 1991 between the Michigan Strategic Fund and NBD Bank, N.A., as trustee, or, subject to compliance with applicable law, as may be involved in the course of the exercise of rights and remedies consequent upon an Event of Default under said Trust Indenture. $......... No.......... THE DETROIT EDISON COMPANY (hereinafter called the "Company"), a corporation of the State of Michigan, for value received, hereby promises to pay to the Michigan Strategic Fund, or registered assigns, at the Company's office or agency in the Borough of Manhattan, The City and State of New York, the principal sum of dollars ($ ) in lawful money of the United States of America on the date specified in the title hereof and interest thereon at the rate specified in the title hereof, in like lawful money, from May 1, 1991, and after the first payment of interest on bonds of this Series has been made or otherwise provided for, from the most recent date to which interest has been paid or otherwise provided for, semi-annually on January 15 and July 15 of each year (commencing July 15, 1991), until the Company's obligation with respect to payment of said principal shall have been discharged, all as provided, to the extent and in the manner specified in the Indenture hereinafter mentioned on the reverse hereof and in the supplemental indenture pursuant to which this bond has been issued. Under a Trust Indenture, dated as of July 15, 1990 and amended as of April 1, 1991 (hereinafter called the "Strategic Fund Trust Indenture"), between the Michigan Strategic Fund (hereinafter called "Strategic Fund"), and NBD Bank, N.A., as trustee (hereinafter called the "Strategic Fund Trust Indenture Trustee"), the Strategic Fund has issued Limited Obligation Refunding Revenue Bonds (The Detroit Edison Company Pollution Control Bonds Project), Collateralized Series 1990BB (hereinafter called the "Strategic Fund Revenue Bonds"). This bond was originally issued to the Strategic Fund and simultaneously irrevocably assigned to the Strategic Fund Trust Indenture Trustee so as to secure the payment of the Strategic Fund Revenue Bonds. Payments of principal of, or premium, if any, or interest on, Strategic Fund Revenue Bonds shall constitute like payments on this bond as further provided herein and in the supplemental indenture pursuant to which this bond has been issued. Reference is hereby made to such further provisions of this bond set forth on the reverse hereof and such further provisions shall for all purposes have the same effect as though set forth at this place. This bond shall not be valid or become obligatory for any purpose until Bankers Trust Company, the Trustee under the Indenture hereinafter mentioned on the reverse hereof, or its successor thereunder, shall have signed the form of certificate endorsed hereon. 13 11 IN WITNESS WHEREOF, THE DETROIT EDISON COMPANY has caused this instrument to be executed by its Chairman of the Board and its Executive Vice President and Chief Financial Officer or a Vice President, with their manual or facsimile signatures, and its corporate seal, or a facsimile thereof, to be impressed or imprinted hereon and the same to be attested by its Secretary or an Assistant Secretary with his or her manual or facsimile signature. Dated: THE DETROIT EDISON COMPANY By ............................ Chairman of the Board ............................ Executive Vice President Attest: and Chief Financial Officer ............................ Secretary 14 12 [FORM OF REVERSE OF BOND] This bond is one of an authorized issue of bonds of the Company, unlimited as to amount except as provided in the Indenture hereinafter mentioned or any indentures supplemental thereto, and is one of a series of General and Refunding Mortgage Bonds known as 1991 Series AP, limited to an aggregate principal amount of $32,375,000, except as otherwise provided in the Indenture hereinafter mentioned. This bond and all other bonds of said series are issued and to be issued under, and are all equally and ratably secured (except insofar as any sinking, amortization, improvement or analogous fund, established in accordance with the provisions of the Indenture hereinafter mentioned, may afford additional security for the bonds of any particular series and except as provided in Section 3 of Article VI of said Indenture) by an Indenture, dated as of October 1, 1924, duly executed by the Company to Bankers Trust Company, a corporation of the State of New York, as Trustee, to which Indenture and all indentures supplemental thereto (including the Supplemental Indenture dated as of April 1, 1991) reference is hereby made for a description of the properties and franchises mortgaged and conveyed, the nature and extent of the security, the terms and conditions upon which the bonds are issued and under which additional bonds may be issued, and the rights of the holders of the bonds and of the Trustee in respect of such security (which Indenture and all indentures supplemental thereto, including the Supplemental Indenture dated as of April 1, 1991, are hereinafter collectively called the "Indenture"). As provided in the Indenture, said bonds may be for various principal sums and are issuable in series, which may mature at different times, may bear interest at different rates and may otherwise vary as in said Indenture provided. With the consent of the Company and to the extent permitted by and as provided in the Indenture, the rights and obligations of the Company and of the holders of the bonds and the terms and provisions of the Indenture, or of any indenture supplemental thereto, may be modified or altered in certain respects by affirmative vote of at least eighty-five percent (85%) in amount of the bonds then outstanding, and, if the rights of one or more, but less than all, series of bonds then outstanding are to be affected by the action proposed to be taken, then also by affirmative vote of at least eighty-five percent (85%) in amount of the series of bonds so to be affected (excluding in every instance bonds disqualified from voting by reason of the Company's interest therein as specified in the Indenture); provided, however, that, without the consent of the holder hereof, no such modification or alteration shall, among other things, affect the terms of payment of the principal of or the interest on this bond, which in those respects is unconditional. The holders of the bonds of 1991 Series AP, by their acceptance of and holding thereof, consent and agree that bonds of any series may be issued which mature on a date or dates later than October 1, 2024 and also consent to the deletion from the first paragraph of Section 5 of Article II of the Indenture of the phrase "but in no event later than October 1, 2024,". Such holders further agree that (a) such consent shall, for all purposes of Article XV of the Indenture and without further action on the part of such holders, be deemed the affirmative vote of such holders at any meeting called pursuant to said Article XV for the purpose of approving such deletion, and (b) such deletion shall become effective at such time as not less than eighty-five per cent (85%) in principal amount of bonds outstanding under the Indenture shall have consented thereto substantially in the manner set forth in Section 4 of Part I of the Supplemental Indenture dated as of April 1, 1991, or in writing, or by affirmative vote cast at a meeting called pursuant to said Article XV, or by any combination thereof. This bond is redeemable upon the terms and conditions set forth in the Indenture, including provision for redemption upon demand of the Strategic Fund Trust Indenture Trustee following the occurrence of an Event of Default under the Strategic Fund Trust Indenture and the acceleration of the principal of the Strategic Fund Revenue Bonds. 15 13 Under the Indenture, funds may be deposited with the Trustee (which shall have become available for payment), in advance of the redemption date of any of the bonds of 1991 Series AP (or portions thereof), in trust for the redemption of such bonds (or portions thereof) and the interest due or to become due thereon, and thereupon all obligations of the Company in respect of such bonds (or portions thereof) so to be redeemed and such interest shall cease and be discharged, and the holders thereof shall thereafter be restricted exclusively to such funds for any and all claims of whatsoever nature on their part under the Indenture or with respect to such bonds (or portions thereof) and interest. In case an event of default, as defined in the Indenture, shall occur, the principal of all the bonds issued thereunder may become or be declared due and payable, in the manner, with the effect and subject to the conditions provided in the Indenture. Upon payment of the principal of, or premium, if any, or interest on, the Strategic Fund Revenue Bonds, whether at maturity or prior to maturity by redemption or otherwise or upon provision for the payment thereof having been made in accordance with Article IV of the Strategic Fund Trust Indenture, bonds of 1991 Series AP in a principal amount equal to the principal amount of such Strategic Fund Revenue Bonds and having both a corresponding maturity date and interest rate shall, to the extent of such payment of principal, premium or interest, be deemed fully paid and the obligation of the Company thereunder to make such payment shall forthwith cease and be discharged, and, in the case of the payment of principal and premium, if any, such bonds of said series shall be surrendered for cancellation or presented for appropriate notation to the Trustee. This bond is not assignable or transferable except as may be required to effect a transfer to any successor trustee under the Strategic Fund Trust Indenture, or, subject to compliance with applicable law, as may be involved in the course of the exercise of rights and remedies consequent upon an Event of Default under the Strategic Fund Trust Indenture. Any such transfer shall be made by the registered holder hereof, in person or by his attorney duly authorized in writing, on the books of the Company kept at its office or agency in the Borough of Manhattan, The City and State of New York, upon surrender and cancellation of this bond, and thereupon, a new registered bond of the same series of authorized denominations for a like aggregate principal amount will be issued to the transferee in exchange therefor, and this bond with others in like form may in like manner be exchanged for one or more new bonds of the same series of other authorized denominations, but of the same aggregate principal amount, all as provided and upon the terms and conditions set forth in the Indenture, and upon payment, in any event, of the charges prescribed in the Indenture. No recourse shall be had for the payment of the principal of or the interest on this bond, or for any claim based hereon or otherwise in respect hereof or of the Indenture, or of any indenture supplemental thereto, against any incorporator, or against any past, present or future stockholder, director or officer, as such, of the Company, or of any predecessor or successor corporation, either directly or through the Company or any such predecessor or successor corporation, whether for amounts unpaid on stock subscriptions or by virtue of any constitution, statute or rule of law, or by the enforcement of any assessment or penalty or otherwise howsoever; all such liability being, by the acceptance hereof and as part of the consideration for the issue hereof, expressly waived and released by every holder or owner hereof, as more fully provided in the Indenture. 16 14 [FORM OF TRUSTEE'S CERTIFICATE] FORM OF This bond is one of the bonds, of the series designated TRUSTEE'S therein, described in the within-mentioned Indenture. CERTIFICATE. BANKERS TRUST COMPANY, as Trustee By ........................... Authorized Officer PART II. RECORDING AND FILING DATA RECORDING AND The Original Indenture and indentures supplemental thereto have been FILING OF ORIGINAL recorded and/or filed and Certificates of Provision for Payment have been INDENTURE. recorded as hereinafter set forth. The Original Indenture has been recorded as a real estate mortgage and filed as a chattel mortgage in the offices of the respective Registers of Deeds of certain counties in the State of Michigan as set forth in the Supplemental Indenture dated as of September 1, 1947, has been recorded as a real estate mortgage in the office of the Register of Deeds of Genesee County, Michigan as set forth in the Supplemental Indenture dated as of May 1, 1974, has been filed in the Office of the Secretary of State of Michigan on November 16, 1951 and has been filed and recorded in the office of the Interstate Commerce Commission on December 8, 1969. RECORDING AND Pursuant to the terms and provisions of the Original Indenture, FILING OF indentures supplemental thereto heretofore entered into have been recorded SUPPLEMENTAL as a real estate mortgage and/or filed as a chattel mortgage or as a INDENTURES. financing statement in the offices of the respective Registers of Deeds of certain counties in the State of Michigan, the Office of the Secretary of State of Michigan and the Office of the Interstate Commerce Commission, as set forth in supplemental indentures as follows: RECORDED AND/OR FILED AS SET FORTH IN SUPPLEMENTAL PURPOSE OF SUPPLEMENTAL INDENTURE SUPPLEMENTAL INDENTURE DATED AS OF INDENTURE DATED AS OF: ---------------------------------- ------------------------ ------------------ June 1, 1925(a)(b)................ Series B Bonds February 1, 1940 August 1, 1927(a)(b).............. Series C Bonds February 1, 1940 February 1, 1931(a)(b)............ Series D Bonds February 1, 1940 June 1, 1931(a)(b)................ Subject Properties February 1, 1940 October 1, 1932(a)(b)............. Series E Bonds February 1, 1940 September 25, 1935(a)(b).......... Series F Bonds February 1, 1940 September 1, 1936(a)(b)........... Series G Bonds February 1, 1940 November 1, 1936(a)(b)............ Subject Properties February 1, 1940 February 1, 1940(a)(b)............ Subject Properties September 1, 1947 December 1, 1940(a)(b)............ Series H Bonds and Ad- September 1, 1947 ditional Provisions September 1, 1947(a)(b)(c)........ Series I Bonds, November 15, 1951 Subject Properties and Additional Provisions March 1, 1950(a)(b)(c)............ Series J Bonds November 15, 1951 and Additional Provi- sions November 15, 1951(a)(b)(c)........ Series K Bonds January 15, 1953 Additional Provisions and Subject Properties January 15, 1953(a)(b)............ Series L Bonds May 1, 1953 May 1, 1953(a).................... Series M Bonds March 15, 1954 and Subject Properties March 15, 1954(a)(c).............. Series N Bonds May 15, 1955 and Subject Properties 17 15 RECORDED AND/OR FILED AS SET FORTH IN SUPPLEMENTAL PURPOSE OF SUPPLEMENTAL INDENTURE SUPPLEMENTAL INDENTURE DATED AS OF INDENTURE DATED AS OF: ---------------------------------- ------------------------ ------------------ May 15, 1955(a)(c)................ Series O Bonds August 15, 1957 and Subject Properties August 15, 1957(a)(c)............. Series P Bonds June 1, 1959 Additional Provisions and Subject Properties June 1, 1959(a)(c)................ Series Q Bonds December 1, 1966 and Subject Properties December 1, 1966(a)(c)............ Series R Bonds October 1, 1968 Additional Provisions and Subject Properties October 1, 1968(a)(c)............. Series S Bonds December 1, 1969 and Subject Properties December 1, 1969(a)(c)............ Series T Bonds July 1, 1970 and Subject Properties July 1, 1970(c)................... Series U Bonds December 15, 1970 and Subject Properties December 15, 1970(c).............. Series V and June 15, 1971 Series W Bonds June 15, 1971(c).................. Series X Bonds November 15, 1971 and Subject Properties November 15, 1971(c).............. Series Y Bonds January 15, 1973 and Subject Properties January 15, 1973(c)............... Series Z Bonds May 1, 1974 and Subject Properties May 1, 1974....................... Series AA Bonds October 1, 1974 and Subject Properties October 1, 1974................... Series BB Bonds January 15, 1975 and Subject Properties January 15, 1975.................. Series CC Bonds November 1, 1975 and Subject Properties November 1, 1975.................. Series DDP Nos. 1-9 December 15, 1975 Bonds and Subject Properties December 15, 1975................. Series EE Bonds February 1, 1976 and Subject Properties February 1, 1976.................. Series FFR Nos. 1-13 June 15, 1976 Bonds June 15, 1976..................... Series GGP Nos. 1-7 July 15, 1976 Bonds and Subject Properties July 15, 1976..................... Series HH Bonds February 15, 1977 and Subject Properties February 15, 1977................. Series MMP Bonds and March 1, 1977 Subject Properties March 1, 1977..................... Series IIP Nos. 1-7 June 15, 1977 Bonds, Series JJP Nos. 1-7 Bonds, Series KKP Nos. 1-7 Bonds and Series LLP Nos. 1-7 Bonds June 15, 1977..................... Series FFR No. 14 Bonds July 1, 1977 and Subject Properties July 1, 1977...................... Series NNP Nos. 1-7 October 1, 1977 Bonds and Subject Properties 18 16 RECORDED AND/OR FILED AS SET FORTH IN SUPPLEMENTAL PURPOSE OF SUPPLEMENTAL INDENTURE SUPPLEMENTAL INDENTURE DATED AS OF INDENTURE DATED AS OF: ---------------------------------- ------------------------ ------------------ October 1, 1977................... Series GGP Nos. 8-22 June 1, 1978 Bonds and Series OOP Nos. 1-17 Bonds and Subject Properties June 1, 1978...................... Series PP Bonds, October 15, 1978 Series QQP Nos. 1-9 Bonds and Subject Properties October 15, 1978.................. Series RR Bonds March 15, 1979 and Subject Properties March 15, 1979.................... Series SS Bonds July 1, 1979 and Subject Properties July 1, 1979...................... Series IIP Nos. 8-22 September 1, 1979 Bonds, Series NNP Nos. 8-21 Bonds and Series TTP Nos. 1-15 Bonds and Subject Properties September 1, 1979................. Series JJP No. 8 Bonds, September 15, 1979 Series KKP No. 8 Bonds, Series LLP Nos. 8-15 Bonds, Series MMP No. 2 Bonds and Series OOP No. 18 Bonds and Subject Properties September 15, 1979................ Series UU Bonds January 1, 1980 January 1, 1980................... 1980 Series A Bonds and April 1, 1980 Subject Properties April 1, 1980..................... 1980 Series B Bonds August 15, 1980 August 15, 1980................... Series QQP Nos. 10-19 August 1, 1981 Bonds, 1980 Series CP Nos. 1-12 Bonds and 1980 Series DP No. 1-11 Bonds and Subject Properties August 1, 1981.................... 1980 Series CP Nos. November 1, 1981 13-25 Bonds and Subject Properties November 1, 1981.................. 1981 Series AP Nos. 1-12 June 30, 1982 Bonds June 30, 1982..................... Article XIV August 15, 1982 Reconfirmation August 15, 1982................... 1981 Series AP Nos. June 1, 1983 13-14 and Subject Properties June 1, 1983...................... 1981 Series AP Nos. October 1, 1984 15-16 and Subject Properties October 1, 1984................... 1984 Series AP and 1984 May 1, 1985 Series BP Bonds and Subject Properties May 1, 1985....................... 1985 Series A Bonds May 15, 1985 May 15, 1985...................... 1985 Series B Bonds and October 15, 1985 Subject Properties October 15, 1985.................. Series KKP No. 9 Bonds April 1, 1986 and Subject Properties 19 17 RECORDED AND/OR FILED AS SET FORTH IN SUPPLEMENTAL PURPOSE OF SUPPLEMENTAL INDENTURE SUPPLEMENTAL INDENTURE DATED AS OF INDENTURE DATED AS OF: ---------------------------------- ------------------------ ------------------ April 1, 1986..................... 1986 Series A and August 15, 1986 Subject Properties August 15, 1986................... 1986 Series B and November 30, 1986 Subject Properties November 30, 1986................. 1986 Series C January 31, 1987 January 31, 1987.................. 1987 Series A April 1, 1987 April 1, 1987..................... 1987 Series B and 1987 August 15, 1987 Series C August 15, 1987................... 1987 Series D and 1987 November 30, 1987 Series E and Subject Properties November 30, 1987................. 1987 Series F June 15, 1989 June 15, 1989..................... 1989 Series A July 15, 1989 July 15, 1989..................... Series KKP No. 10 December 1, 1989 December 1, 1989.................. Series KKP No. 11 and February 15, 1990 1989 Series BP February 15, 1990................. 1990 Series A, 1990 November 1, 1990 Series B, 1990 Series C, 1990 Series D, 1990 Series E and 1990 Series F --------------- (a) See Supplemental Indenture dated as of July 1, 1970 for Interstate Commerce Commission filing and recordation information. (b) See Supplemental Indenture dated as of May 1, 1953 for Secretary of State of Michigan filing information. (c) See Supplemental Indenture dated as of May 1, 1974 for County of Genesee, Michigan recording and filing information. Further, pursuant to the terms and provisions of the Original Indenture, a Supplemental Indenture dated as of November 1, 1990 providing for the terms of bonds to be issued thereunder of Series KKP No. 12 has heretofore been entered into between the Company and the Trustee and has been filed in the Office of the Secretary of State of Michigan as a financing statement on November 9, 1990 (Filing No. 07211B), has been filed and recorded in the Office of the Interstate Commerce Commission (Recordation No. 5485-QQQ), and has been recorded as a real estate mortgage in the offices of the respective Register of Deeds of certain counties in the State of Michigan, as follows: LIBER OF MORTGAGES OR COUNTY COUNTY RECORDED RECORDS PAGE ---------------------------- ---------------- ------ ---------- Genesee..................... November 9, 1990 2611 288-310 Huron....................... November 9, 1990 548 684-706 Ingham...................... November 9, 1990 1849 330-352 Lapeer...................... November 9, 1990 702 519-541 Lenawee..................... November 9, 1990 1140 314-336 Livingston.................. November 9, 1990 1441 608-630 Macomb...................... November 9, 1990 4991 681-703 Mason....................... November 9, 1990 398 324-346 Monroe...................... November 9, 1990 1142 474-496 Oakland..................... November 9, 1990 11629 295-317 Sanilac..................... November 9, 1990 414 235-257 St. Clair................... November 9, 1990 974 519-541 Tuscola..................... November 9, 1990 607 815-837 Washtenaw................... November 9, 1990 2451 933-955 Wayne....................... November 9, 1990 24896 308-330 20 18 RECORDING OF All the bonds of Series A which were issued under the Original CERTIFICATES Indenture dated as of October 1, 1924, and of Series B, C, D, E, F, G, H, OF PROVISION I, J, K, L, M, N, O, P, Q, W, BB, CC, DDP Nos. 1-8, FFR Nos. 1-12, GGP FOR PAYMENT. Nos. 1-6 and 8-16, IIP Nos. 1-6 and 8-15, JJP Nos. 1-6, KKP Nos. 1-6, LLP Nos. 1-7 and 8-15, NNP Nos. 1-6 and 8-14, OOP Nos. 1-9, QQP Nos. 1-8 and 10-15 and TTP Nos. 1-7, UU 1980 Series A, 1980 Series CP Nos. 1-12 and 13-17, 1980 Series DP Nos. 1-11 and 1981 Series AP Nos. 1-5 which were issued under Supplemental Indentures dated as of, respectively, June 1, 1925, August 1, 1927, February 1, 1931, October 1, 1932, September 25, 1935, September 1, 1936, December 1, 1940, September 1, 1947, November 15, 1951, January 15, 1953, May 1, 1953, March 15, 1954, May 15, 1955, August 15, 1957, December 15, 1970, October 1, 1974, January 15, 1975, November 1, 1975, February 1, 1976, June 15, 1976, October 1, 1977, March 1, 1977, July 1, 1979, March 1, 1977, March 1, 1977, March 1, 1977, September 1, 1979, July 1, 1977, July 1, 1979, September 15, 1979, October 1, 1977, June 1, 1978, October 1, 1977, July 1, 1979, January 1, 1980, August 15, 1980 and November 1, 1981 have matured or have been called for redemption and funds sufficient for such payment or redemption have been irrevocably deposited with the Trustee for that purpose; and Certificates of Provi- sion for Payment have been recorded in the offices of the respective Registers of Deeds of certain counties in the State of Michigan, with respect to all bonds of Series A, B, C, D, E, F, G, H, K, L, M, O, W, BB, CC, DDP Nos. 1 and 2, FFR Nos. 1-3, GGP Nos. 1 and 2, IIP No. 1, JJP No. 1, KKP No. 1, LLP No. 1 and GGP No. 8. PART III. THE TRUSTEE. TERMS AND The Trustee hereby accepts the trust hereby declared and provided, and CONDITIONS OF agrees to perform the same upon the terms and conditions in the Original ACCEPTANCE OF Indenture, as amended to date and as supplemented by this Supplemental TRUST BY TRUSTEE. Indenture, and in this Supplemental Indenture set forth, and upon the following terms and conditions: The Trustee shall not be responsible in any manner whatsoever for and in respect of the validity or sufficiency of this Supplemental Indenture or the due execution hereof by the Company or for or in respect of the recitals contained herein, all of which recitals are made by the Company solely. PART IV. MISCELLANEOUS. Except to the extent specifically provided therein, no provision of this supplemental indenture or any future supplemental indenture is intended to modify, and the parties do hereby adopt and confirm, the provisions of Section 318(c) of the Trust Indenture Act which amend and supercede provisions of the Indenture in effect prior to November 15, 1990. EXECUTION IN THIS SUPPLEMENTAL INDENTURE MAY BE SIMULTANEOUSLY EXECUTED IN ANY NUM- COUNTERPARTS. BER OF COUNTERPARTS, EACH OF WHICH WHEN SO EXECUTED SHALL BE DEEMED TO BE AN ORIGINAL; BUT SUCH COUNTERPARTS SHALL TOGETHER CONSTITUTE BUT ONE AND THE SAME INSTRUMENT. 21 19 TESTIMONIUM. IN WITNESS WHEREOF, THE DETROIT EDISON COMPANY AND BANKERS TRUST COMPANY HAVE CAUSED THESE PRESENTS TO BE SIGNED IN THEIR RESPECTIVE CORPORATE NAMES BY THEIR RESPECTIVE CHAIRMEN OF THE BOARD, PRESIDENTS, VICE PRESIDENTS, ASSISTANT VICE PRESIDENTS, TREASURERS OR ASSISTANT TREASURERS AND IMPRESSED WITH THEIR RESPECTIVE CORPORATE SEALS, ATTESTED BY THEIR RESPECTIVE SECRETARIES OR ASSISTANT SECRETARIES, ALL AS OF THE DAY AND YEAR FIRST ABOVE WRITTEN. THE DETROIT EDISON COMPANY, (Corporate Seal) By /s/ C. C. ARVANI ------------------------- C. C. Arvani Assistant Treasurer EXECUTION. Attest: /s/ SUSAN M. BEALE ------------------------- Susan M. Beale Secretary Signed, sealed and delivere DETROIT EDISON COMPANY, in presence of /s/ JANE E. LENART ------------------------- Jane E. Lenart /s/ JANET A. SCULLEN ------------------------- Janet A. Scullen (Corporate Seal) BANKERS TRUST COMPANY, By /s/ BARBARA A. JOINER ------------------------- Barbara A. Joiner Vice President Attest: /s/ SANDRA SHIRLEY ------------------------- Sandra Shirley Assistant Vice President Signed, sealed and delivere BANKERS TRUST COMPANY, in the presence of /s/ ERIC M. HAWNER ------------------------- Eric M. Hawner /s/ MARGARET BEREZA ------------------------- Margaret Bereza 22 20 STATE OF MICHIGAN COUNTY OF WAYNE SS.: ACKNOWLEDGMENT On this 25th day of April, 1991, before me, the subscriber, a Notary OF EXECUTION Public within and for the County of Wayne, in the State of Michigan, BY COMPANY. personally appeared C. C. Arvani, to me personally known, who, being by me duly sworn, did say that he does business at 2000 Second Avenue, Detroit, Michigan 48226 and is the Assistant Treasurer of THE DETROIT EDISON COMPANY, one of the corporations described in and which executed the foregoing instrument; that he knows the corporate seal of the said corporation and that the seal affixed to said instrument is the corporate seal of said corporation; and that said instrument was signed and sealed in behalf of said corporation by authority of its Board of Directors and that he subscribed his name thereto by like authority; and said C. C. Arvani, acknowledged said instrument to be the free act and deed of said corporation. /s/ PEARL E. KOTTER ------------------------------------- (Notarial Seal) Pearl E. Kotter, Notary Public Macomb County, MI (Acting in Wayne County) My Commission Expires August 23, 1993 STATE OF NEW YORK COUNTY OF NEW YORK SS.: ACKNOWLEDGMENT On this 23rd day of April, 1991, before me, the subscriber, a Notary OF EXECUTION Public within and for the County of New York, in the State of New York, BY TRUSTEE. personally appeared Barbara A. Joiner, to me personally known, who, being by me duly sworn, did say that she does business at Four Albany Street, New York, New York 10015, and is Vice President of BANKERS TRUST COMPANY, one of the corporations described in and which executed the foregoing instrument; that she knows the corporate seal of the said corporation and that the seal affixed to said instrument is the corporate seal of said corporation; and that said instrument was signed and sealed in behalf of said corporation by authority of its Board of Directors and that she subscribed her name thereto by like authority; and said Barbara A. Joiner acknowledged said instrument to be the free act and deed of said corporation. (Notarial Seal) /s/ JEAN O'KEEFE ------------------------------------- Jean O'Keefe Notary Public, State of New York No. 31-4905426 Qualified in New York County Certificate filed in New York County Commission Expires September 14, 1991 23 21 STATE OF MICHIGAN COUNTY OF WAYNE SS.: AFFIDAVIT AS TO C. C. Arvani, being duly sworn, says: that he is the Assistant Treasurer CONSIDERATION of THE DETROIT EDISON COMPANY, the Mortgagor named in the foregoing AND GOOD FAITH. instrument, and that he has knowledge of the facts in regard to the making of said instrument and of the consideration therefor; that the consideration for said instrument was and is actual and adequate, and that the same was given in good faith for the purposes in such instrument set forth. /s/ C. C. ARVANI ------------------------------ C. C. Arvani Sworn to before me this 25th day of April, 1991 /s/ PEARL E. KOTTER -------------------------------------- Pearl E. Kotter, Notary Public Macomb County, MI (Acting in Wayne County) My Commission Expires August 23, 1993 (Notarial Seal) This instrument was drafted by Frances B. Rohlman, Esq., 2000 Second Avenue, Detroit, Michigan 48226