Document:

<PAGE>   1
                                                                   EXHIBIT 4-208

                                                                [EXECUTION COPY]

                                  AMENDMENT TO

                      STANDBY NOTE PURCHASE CREDIT FACILITY

         AMENDMENT (this "AMENDMENT"), dated as of October 24, 2000, to the
STANDBY NOTE PURCHASE CREDIT FACILITY, dated as of October 26, 1999, among THE
DETROIT EDISON COMPANY, a Michigan corporation (the "COMPANY"), the banks party
thereto (the "BANKS"), and BARCLAYS BANK PLC, as administrative agent (the
"ADMINISTRATIVE AGENT") for the Banks (such Credit Agreement, as heretofore
amended, being hereinafter referred to as the "EXISTING CREDIT AGREEMENT", and,
as amended by this Amendment, as the "AMENDED CREDIT AGREEMENT").

                               W I T N E S S E T H

         WHEREAS, the Company, the Banks and the Administrative Agent have
previously entered into the Existing Credit Agreement; and

         WHEREAS, the Company, the Banks and the Administrative Agent now wish
to amend the Existing Credit Agreement to extend the Termination Date described
therein and change the amount of the Facility Fee provided for therein;

         NOW THEREFORE, the Company, the Banks and the Administrative Agent
agree as follows (capitalized terms used but not defined in this Amendment
having the meanings assigned them in the Existing Credit Agreement):

         SECTION 1. AMENDMENTS TO EXISTING CREDIT AGREEMENT. Effective as of the
date hereof, and subject to the satisfaction of the conditions precedent set
forth in Section 2 hereof:

         (a) The definition of Termination Date is hereby amended and restated
to read in its entirety as follows:

         "TERMINATION DATE" means the earlier to occur of October 23, 2001, as
such date may be extended pursuant to Section 2.04, and the date of termination
in whole of the Commitments pursuant to Section 2.02(b) or 7.02.

         (b) The definition of "Applicable Rate" is hereby amended by replacing
the grid set forth therein in its entirety with the following grid:

<PAGE>   2

                                                                               2

<TABLE>
<CAPTION>
      ======================= ==================================== ====================== ======================
              Applicable                                            Applicable Rate for      Applicable Rate for
                Rating        S&P Rating/Moody's Rating               Eurodollar Rate          Facility Fee
                Level                                                    Advances
      ======================= ==================================== ====================== ======================
<S>                           <C>                                  <C>                    <C>
                  I           A+ and A1, or higher                        0.375%                 0.175%
      ----------------------- ------------------------------------ ---------------------- ----------------------
                  II          BBB+ and Baa1, or higher                    0.475%                 0.200%
      ----------------------- ------------------------------------ ---------------------- ----------------------
                 III          BBB- and Baa3, or higher                    0.500%                 0.300%
      ----------------------- ------------------------------------ ---------------------- ----------------------
                  IV          BB+ or Ba1, or lower, or not                0.825%                 0.475%
                              rated by either S&P's or Moody's
                              or both
      ----------------------- ------------------------------------ ---------------------- ----------------------
</TABLE>

         SECTION 2. CONDITIONS OF EFFECTIVENESS. This Amendment shall become
effective as of the date set forth above when, and only when, the Administrative
Agent shall have received (in sufficient copies for each Bank) the following:

         (a) Counterparts of this Amendment executed by the Company and all of
the Banks.

         (b) Certified copies of the resolutions of the Board of Directors of
the Company authorizing this Amendment and of all documents evidencing other
necessary corporate action and governmental and regulatory approvals required to
be obtained by it in connection therewith, certified by the Secretary or
Assistant Secretary of the Company.

         (c) An Officer's Certificate of the Company dated as of the date set
forth above as to the matters set forth in Sections 3(d) and 3(e) of this
Amendment.

         (d) A favorable opinion of counsel to the Company, to the effect set
forth in Exhibit A to this Amendment, and as to such other matters as any Bank
through the Administrative Agent may reasonably request.

         (e) Payment to the Administrative Agent for the account of the Banks of
an amendment fee in the amount of .05 of one percent of the aggregate amount of
the Commitments as of the date hereof.

         (f) Such other approvals, opinions and documents as the Majority Banks,
through the Administrative Agent, may reasonably request as to the legality,
validity, binding effect or enforceability of this Amendment, the Amended Credit
Agreement or any other Related Document or the financial condition, properties,
operations or prospects of the Company.

         SECTION 3. REPRESENTATIONS AND WARRANTIES. The Company represents and
warrants as follows:

         (a) The execution and delivery by it of this Amendment, and the
performance by it of the Amended Credit Agreement and the other Related
Documents to which it is a party are within its corporate powers, have been duly
authorized by all necessary corporate or other similar action,

<PAGE>   3
                                                                               3

and do not and will not contravene (i) its charter or by-laws, as the case may
be, or any law or legal restriction or (ii) any contractual restriction binding
on or affecting it or its properties;

         (b) This Amendment has been duly executed and delivered by it, and,
assuming the due execution and delivery by the Banks pursuant to due authority
of this Amendment, this Amendment, the Amended Credit Agreement and the other
Related Documents to which it is a party are its legal, valid and binding
obligations, enforceable against it in accordance with their respective terms,
subject to the effect of any applicable bankruptcy, insolvency, reorganization,
moratorium or similar laws affecting creditors' rights generally;

         (c) No consent, license, order, authorization, approval or other action
by, and no notice to or filing with, any governmental authority or regulatory
body is required for the due execution, delivery and performance by the Company
of the Amendment or the Amended Credit Agreement, except such as have been duly
obtained or made and are in full force and effect;

         (d) The representations and warranties contained in Section 5.01 of the
Existing Credit Agreement are true and correct in all material respects on and
as of the date of this Amendment, both before and after giving effect to this
Amendment, as though made on and as of such date; and

         (e) No event in respect of it has occurred and is continuing, or, after
giving effect to this Amendment, shall occur, that constitutes an Event of
Default or, with the giving of notice or lapse of time or both, will constitute
an Event of Default.

         SECTION 4. REFERENCE TO AND EFFECT ON THE LOAN DOCUMENTS.

         (a) Upon the effectiveness of this Amendment in accordance with Section
2 hereof, on and after the date hereof each reference in the Amended Credit
Agreement to "this Agreement", "hereunder", "hereof" or words of like import
referring to the Existing Credit Agreement, and each reference in the Notes and
the other Related Documents to "the Credit Agreement", "thereunder", "thereof"
or words of like import referring to the Existing Credit Agreement, shall mean
and be a reference to the Amended Credit Agreement.

         (b) Except as specifically amended above, the Amended Credit Agreement
and all other Related Documents are and shall continue to be in full force and
effect and are hereby in all respects ratified and confirmed.

         (c) The execution, delivery and effectiveness of this Amendment shall
not, except as expressly provided herein, operate as a waiver of any right,
power or remedy of any Bank or the Administrative Agent under any of the Related
Documents, nor constitute a waiver of any provision of any of the Related
Documents.

         SECTION 5. COSTS AND EXPENSES. The Company agrees to pay on demand all
reasonable costs and expenses of the Administrative Agent in connection with the
preparation, execution, delivery, administration, modification and amendment of
this Amendment and the other instruments and documents to be delivered
hereunder, including, without limitation, the

<PAGE>   4
                                                                               4

reasonable fees and out-of-pocket expenses of counsel for the Administrative
Agent with respect thereto and with respect to advising the Administrative Agent
and the Banks as to their respective rights and responsibilities hereunder and
thereunder.

         SECTION 6. EXECUTION IN COUNTERPARTS. This Amendment may be executed in
any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed and delivered shall be deemed to be
an original and all of which taken together shall constitute but one and the
same agreement.

         SECTION 7. GOVERNING LAW. This Amendment shall be governed by, and
construed in accordance with, the laws of the State of New York.

                            [Signature page follows]

<PAGE>   5

                                                                             S-1

           IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be executed by their respective officers thereunto duly authorized, as of the
date first above written,

                                     THE DETROIT EDISON COMPANY

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   6
                                                                             S-2

                                     BARCLAYS BANK PLC,
                                     as Administrative Agent and as Bank

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   7
                                                                             S-3

                                     ABU DHABI INTERNATIONAL
                                           BANK INC.

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   8
                                                                             S-4

                                     THE BANK OF NEW YORK

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   9
                                                                             S-5

                                     THE BANK OF NOVA SCOTIA

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   10
                                                                             S-6

                                     BANK ONE, NA
                                     (Main Office Chicago)

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   11
                                                                             S-7

                                     BAYERISCHE LANDESBANK
                                        GIROZENTALE

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   12
                                                                             S-8

                                     THE INDUSTRIAL BANK OF
                                         JAPAN, LTD.

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   13
                                                                             S-9

                                     SOCIETE GENERALE

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   14
                                                                            S-10

                                     BANC ONE CAPITAL MARKETS, INC.,
                                     as Remarketing Agent

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   15
                                                                            S-11

                                     BARCLAYS CAPITAL INC.,
                                     as Remarketing Agent

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   16
                                                                            S-12

                                     LEHMAN BROTHERS INC.,
                                     as Remarketing Agent

                                     By
                                       -----------------------------------------
                                     Name:
                                     Title:

                OCTOBER, 2000 AMENDMENT TO DETROIT EDISON COMPANY
                      STANDBY NOTE PURCHASE CREDIT FACILITY

<PAGE>   17

                                                                       EXHIBIT A

                  [SCOPE OF OPINION OF COUNSEL TO THE COMPANY]

         Each Bank shall receive a favorable opinion, dated the date of the
Amendment, of the Associate General Counsel for the Company, to the following
effect and otherwise in form and substance satisfactory to such Bank:

                  (a) The Company has been duly incorporated, is validly
         existing as a corporation in good standing under the laws of the State
         of Michigan, and is duly qualified to do business as a foreign
         corporation in each jurisdiction in which the nature of the business
         conducted or the property owned, operated or leased by it requires such
         qualification, except to the extent that the failure to be so qualified
         or be in good standing would not have a material adverse effect on the
         Company and its consolidated subsidiaries, taken as a whole.

                  (b) The execution, delivery and performance by the Company of
         the Amendment and the Amended Credit Agreement are within the Company's
         corporate powers, have been duly authorized by all necessary corporate
         action and do not contravene (i) the articles of incorporation or
         by-laws of the Company, or (ii) any law, rule or regulation applicable
         to the Company or (iii) any contractual or legal restriction binding on
         or affecting the Company or any of its subsidiaries. The Amendment and
         the Amended Credit Agreement have been duly executed and delivered by
         the Company.

                  (c) No authorization, approval or other action by, and no
         notice to or filing with, any governmental authority or regulatory body
         is required for the due execution, delivery and performance by the
         Company of the Amendment or the Amended Credit Agreement, except such
         as have been duly obtained or made and are in full force and effect.

                  (d) Each of the Amendment and the Amended Credit Agreement
         constitutes the legal, valid and binding obligation of the Company
         enforceable against the Company in accordance with its terms, except as
         the enforceability thereof may be limited by (i) applicable bankruptcy,
         insolvency, fraudulent conveyance, reorganization, moratorium or
         similar laws affecting creditors' rights generally and (ii) the effect
         of general principles of equity, including, without limitation,
         concepts of materiality, reasonableness, good faith and fair dealing
         (regardless of whether considered in a proceeding in equity or at law).

<PAGE>   18

                  (e) Except and to the extent specifically described in written
         reports of the Company filed with the United States Securities and
         Exchange Commission as of the date of the Amendment, such counsel is
         not aware, after due inquiry, of any pending or overtly threatened
         actions or proceedings against the Company or its consolidated
         subsidiaries, or any of their respective properties, before any court,
         governmental agency or arbitrator which purport to affect the legality,
         validity, binding effect or enforceability of the Amendment or the
         Amended Credit Agreement or which are likely to have a material adverse
         effect upon the financial condition or operations of the Company and
         its consolidated subsidiaries, taken as a whole, or the ability of the
         Company to perform its obligations under the Amendment or the Amended
         Credit Agreement.

                  (f) Purchased Notes at any time purchased for the account of
         the Banks in accordance with the terms of the Amended Credit Agreement
         will constitute legal, valid and binding obligations of the Company,
         enforceable in accordance with their respective terms, in the amount
         of, and evidencing the obligation of the Company to repay, the Advances
         made by the Banks to the Remarketing Agents for the purpose of
         purchasing such Purchased Notes.

(g)      Assuming that the trustee under the Note Indenture holds the general
         and refunding mortgage bond issued pursuant to the Mortgage (such bond
         being the "PLEDGED BOND"), the Mortgage creates a valid and perfected
         first priority security interest in the Pledged Bond. All holders of
         Purchased Notes will be entitled to the full benefits of such valid and
         perfected first priority security interest in the Pledged Bond, as so
         created by the Note Indenture.

Capitalized terms used but not defined herein shall have the meanings assigned
to such terms in the Amended Credit Agreement.<PAGE>   1
                                                                   EXHIBIT 4-209

                           THE DETROIT EDISON COMPANY

                                       AND

                  BANK ONE TRUST COMPANY, NATIONAL ASSOCIATION

                                     Trustee

                              ---------------------

                 FIRST AMENDMENT TO FIRST SUPPLEMENTAL INDENTURE

                            Dated as of July 17, 2000

                              ---------------------

                     Amending the Collateral Trust Indenture
                            Dated as of June 30, 1993
                      and the First Supplemental Indenture
                            Dated as of June 30, 1993

<PAGE>   2

                  FIRST AMENDMENT, dated as of the 17th day of July, 2000, to
the FIRST SUPPLEMENTAL INDENTURE, dated as of the 30th day of June, 1993,
between THE DETROIT EDISON COMPANY, a corporation organized and existing under
the laws of the State of Michigan (the "Company"), and BANK ONE TRUST COMPANY,
NATIONAL ASSOCIATION, a national banking association, having its Corporate Trust
Office in the City of Chicago, State of Illinois, as trustee (as successor to
the Bankers Trust Company) (the "Trustee");

                  WHEREAS, the Company has heretofore executed and delivered to
the Trustee a Collateral Trust Indenture dated as of June 30, 1993 (the
"Original Indenture" and, together with the First Supplemental Indenture dated
as of June 30, 1993 (the "First Supplemental Indenture" and, as amended hereby,
the "Amended First Supplemental Indenture"), and as further supplemented or
amended, the "Indenture") providing for the issuance by the Company from time to
time of its secured notes to be issued in one or more series (in the Original
Indenture and herein called the "Securities"); and

                  WHEREAS, the Company, in the exercise of the power and
authority conferred upon and reserved to it under the provisions of the Original
Indenture and pursuant to appropriate resolutions of the Board of Directors, has
duly determined to make, execute and deliver to the Trustee this First Amendment
to the First Supplemental Indenture to the Original Indenture in order to amend
the form and terms of the series of Securities designated as the "Multi-Mode
Remarketed Secured Notes 1993 Series A Due 2028" with the consent of the Holders
of not less than a majority in principal amount of the Outstanding Securities of
such series as permitted by Section 1002 of the Original Indenture; and

                  WHEREAS, the Holders of not less than a majority in principal
amount of the Notes (as defined herein) outstanding as of 12:00 noon, New York
City time, on July 17, 2000, the record date for such purpose, have consented to
the amendments set forth herein; and

                  WHEREAS, all things necessary to make this First Amendment to
the First Supplemental Indenture a valid, binding and legal agreement of the
Company, have been done;

                  NOW, THEREFORE, THIS FIRST AMENDMENT TO THE FIRST SUPPLEMENTAL
INDENTURE WITNESSETH that, in order to amend the terms of the series of
Securities designated as the "Multi-Mode Remarketed Secured Notes 1993 Series A
Due 2028", and for and in consideration of the premises and of the covenants
contained in the Original Indenture and in this Amended First Supplemental
Indenture and for other good and valuable consideration the receipt and
sufficiency of which are hereby acknowledged, it is mutually covenanted and
agreed as follows:

                                   ARTICLE ONE

                              DEFINITIONS AND OTHER
                        PROVISIONS OF GENERAL APPLICATION

                  Section 101. Definitions. Each capitalized term that is used
herein and is defined in the Original Indenture or the First Supplemental
Indenture shall have the meaning specified in

                                       2

<PAGE>   3

the Original Indenture or the First Supplemental Indenture, as the case may be,
unless such term is otherwise defined herein.

                  "Beneficial Owner" shall mean, for Notes in book-entry form,
the person who acquires an interest in the Notes which is reflected on the
records of DTC through its participants.

                  "Business Day" shall mean each Monday, Tuesday, Wednesday,
Thursday and Friday which is not a day on which banking institutions located in
the State of Michigan or in the state in which the Corporate Trust Office of the
Trustee is located, are authorized or obligated by or pursuant to law or
executive order to close; provided, however, that with respect to Notes in the
Long Term Rate Mode as to which LIBOR is an applicable Interest Rate Basis, such
day is also a London Business Day (as hereinafter defined). "London Business
Day" means a day on which commercial banks are open for business (including
dealings in the Index Currency in London.

                  "Commercial Paper Term Mode" means, with respect to any Note,
the Interest Rate Mode in which the interest rate on such Note is reset on a
periodic basis which shall not be less than one calendar day nor more than 364
consecutive calendar days and interest is paid as provided for such Interest
Rate Mode in Section 203 hereof.

                  "Daily Interest Rate Mode" means, with respect to any Note,
the Interest Rate Mode in which the interest rate on such Note is reset on a
daily basis and interest is paid as provided for such Interest Rate Mode in
Section 203 hereof.

                  "Fixed Interest Rate Mode" means, with respect to any Note,
the Interest Rate Mode in which the interest rate on such Note is determined and
in effect until the Stated Maturity of such Note and interest is paid as
provided for such Interest Rate Mode in Section 203 hereof.

                  Floating Interest Rate Notice" has the meaning specified in
Section 203 hereof. The form of Floating Rate Interest Notice is set forth as
Exhibit D to this First Amendment to the First Supplemental Indenture.

                  "Floating Rate Maximum Interest Rate" and "Floating Rate
Minimum Interest Rate" have the respective meanings specified in Section 203
hereof.

                  "Index Maturity" means the period to maturity of the
instrument or obligation with respect to which the related Interest Rate Basis
or Bases will be calculated.

                  "Interest Determination Date" has the meaning specified in
Section 203 hereof.

                  "Interest Rate Adjustment Date" means for a particular
Interest Rate Period in any Interest Rate Mode, each date, which shall be a
Business Day, on which interest and, in the case of a floating interest rate,
the Spread (if any) and the Spread Multiplier (if any) on the Notes subject
thereto commences to accrue at the rate determined and announced by the
applicable Remarketing Agent for such Interest Rate Period and for Notes bearing
interest at the Initial Interest Rate (as hereinafter defined), the Business Day
following the expiration of the Initial Interest Rate Period (as hereinafter
defined).

                                       3

<PAGE>   4

                  "Interest Rate Basis" has the meaning specified in Section 203
hereof.

                  "Interest Rate Mode" means the mode in which the Interest Rate
on a Note is being determined, i.e., a Commercial Paper Term Mode, a Daily
Interest Rate Mode, a Weekly Interest Rate Mode, the Long Term Rate Mode or the
Fixed Interest Rate Mode.

                  "Interest Rate Period" means, with respect to any Note, the
period of time commencing on the Interest Rate Adjustment Date to, but not
including the immediately succeeding Interest Rate Adjustment Date during which
such Note bears interest at a particular fixed interest rate or floating
interest rate.

                  "Interest Reset Date", "Initial Interest Reset Date" and
"Interest Reset Period" have the respective meanings specified in Section 203
hereof.

                  "Liquidity Provider" means, any bank or other credit provider
whose obligations such as those under the Standby Note Purchase Agreement with
respect to any Notes are exempt from registration under the Securities Act of
1933, as amended, with long term senior debt ratings from Standard & Poor's
Ratings Services and Moody's Investors Service, Inc. at least equal to those of
the Company as of the date of the Standby Note Purchase Agreement, and a minimum
combined capital and surplus of at least $50,000,000, that has entered into a
Standby Note Purchase Agreement with the Company for the purpose of purchasing
unremarketed Notes on any Interest Rate Adjustment Date.

                  "Long Term Rate Mode" means, with respect to any Note, the
Interest Rate Mode in which the interest rate on such Note is reset in a Long
Term Rate Period and interest is paid as provided for such Interest Rate Mode in
Section 203 hereof.

                  "Long Term Rate Period" means, with respect to any Note, any
period of more than 364 days and less than the Stated Maturity of such Note.

                  "Maximum Rate" means that rate of interest equal to fifteen
percent (15%) per annum or such higher rate as may be established from time to
time by the Board of Directors of the Company.

                  "Notes" or "Note" have the meaning specified in Section 201.

                  "Optional Redemption" means the redemption of any Note prior
to its maturity at the option of the Company as described herein.

                  "Principal Financial Center" means the capital city of the
country to which the Index Currency relates, as applicable, except that with
respect to United States dollars, Australian dollars, Canadian dollars, Deutsche
marks, Dutch guilders, Italian lire, Portuguese escudos, South African rand and
Swiss francs, the "Principal Financial Center" shall be The City of New York,
Sydney, Toronto, Frankfurt, Amsterdam, Milan, London, Johannesburg and Zurich,
respectively.

                  "Remarketing Agent" means such agent or agents, including any
standby remarketing agent (each a "Standby Remarketing Agent"), as the Company
may appoint from

                                       4

<PAGE>   5

time to time for the purpose of remarketing of the Notes, as set forth in the
remarketing agreement which the Company shall enter into prior to the
remarketing of such Notes.

                  "Spread" means, with respect to any Long Term Rate Period for
any Note, the number of basis points to be added to or subtracted from the
related Interest Rate Basis or Bases applicable to a Long Term Rate Period for
such Note.

                  "Spread Multiplier" means the percentage of the related
Interest Rate Basis or Bases applicable to a Long Term Rate Period by which such
Interest Rate Basis or Bases will be multiplied to determine the applicable
interest rate from time to time for such Long Term Rate Period.

                  "Standby Note Purchase Agreement" means the agreement which
the Company may, at its option, enter into from time to time with a Liquidity
Provider for the purpose of purchasing unremarketed Notes.

                  "Weekly Interest Rate Mode" means, with respect to any Note,
the Interest Rate Mode in which the interest rate on such Note is reset on a
periodic basis approximating one week and interest is paid as provided for such
Interest Rate Mode in Section 203 hereof.

                  The foregoing Section 101 supersedes Section 101 of the First
Supplemental Indenture in its entirety.

                  Section 102. Section References. Each reference to a
particular section set forth in this First Amendment to the First Supplemental
Indenture shall, unless the context otherwise requires, refer to this First
Amendment to the First Supplemental Indenture.

                                   ARTICLE TWO

                          TITLE AND TERMS OF THE NOTES

                  Section 201. Title of the Notes; Amendments. This First
Amendment to the First Supplemental Indenture hereby amends the series of
Securities designated as the "Multi-Mode Remarketed Secured Notes 1993 Series A
Due 2028" of the Company (each referred to herein as a "Note" and collectively
as the "Notes"). For purposes of the Original Indenture, the Notes shall
constitute a single series of Securities.

                  Section 202. Variations in Terms of Notes. Subject to the
terms and conditions set forth in the Original Indenture and in the Amended
First Supplemental Indenture, the terms of any particular Note may vary from the
terms of any other Note as contemplated by Section 301 of the Original
Indenture, and such terms for a particular Note will be set forth in such Note
as delivered to the Trustee or an Authenticating Agent for authentication
pursuant to Section 303 of the Original Indenture.

                  Section 203. Interest, Interest Rates and Interest Rate Modes.
The Notes initially bore interest at 3.32% per annum (the "Initial Interest
Rate") through September 9, 1993 (the "Initial Interest Rate Period") and for
each Interest Rate Period thereafter, at the rate established

                                       5

<PAGE>   6

in accordance with the Indenture. Hereafter, each Note at the option of the
Company will bear interest in the Commercial Paper Term Mode, the Daily Interest
Rate Mode, the Weekly Interest Rate Mode, the Long Term Rate Mode or may be
permanently converted to the Fixed Interest Rate Mode. Each Note may bear
interest in the same or a different Interest Rate Mode from other Notes. The
interest rate for the Notes will be established periodically as described herein
by the applicable Remarketing Agent.

                  Interest will be payable on any Note at Maturity and (i)
bearing interest at the Initial Interest Rate, on the date or dates set forth on
the face thereof; (ii) for any Interest Rate Period in the Commercial Paper Term
Mode, on the Interest Rate Adjustment Date commencing the next succeeding
Interest Rate Period for such Note and on such other dates (if any) as will be
established upon conversion of such Note to the Commercial Paper Term Mode or
upon remarketing of the Note in a new Interest Rate Period in the Commercial
Paper Term Mode and set forth in the applicable Note; (iii) in the Daily or
Weekly Interest Rate Mode, on the first Business Day of each month (unless such
day is less than 11 days after conversion to such Interest Rate Mode, in which
case interest will be payable on the first Business Day of the next succeeding
month); and (iv) in the Long Term Rate Mode or Fixed Interest Rate Mode, at
least semiannually on such dates as will be established upon conversion of such
Note to the Long Term Rate Mode (or upon remarketing of the Note in a new
Interest Rate Period in the Long Term Rate Mode, as the case may be) or Fixed
Interest Rate Mode and set forth in the applicable Note in the case of a fixed
interest rate, or as described below under "Floating Interest Rates" in the case
of a floating interest rate, and on the Interest Rate Adjustment Date commencing
the next succeeding Interest Rate Period, in the case of Notes in the Long Term
Rate Mode. Such interest will be payable to the holder thereof as of the related
Record Date, which, for any Note (x) in the Daily or Weekly Interest Rate Mode,
is the last calendar day of the month preceding an Interest Payment Date; (y) in
the Commercial Paper Term Mode, is the Business Day prior to the related
Interest Payment Date; and (z) bearing interest at the Initial Interest Rate or
in the Long Term Rate Mode or Fixed Interest Rate Mode, is 15 days prior to the
related Interest Payment Date.

                  Except as set forth below under "Floating Interest Rates," if
any Interest Payment Date would otherwise be a day that is not a Business Day,
such Interest Payment Date will be postponed to the next succeeding Business
Day, and no interest will accrue on such payment for the period from and after
such Interest Payment Date to the date of such payment on the next succeeding
Business Day. If the Maturity of any Note falls on a day that is not a Business
Day, the required payment of principal, premium, if any, and/or interest will be
made on the next succeeding Business Day as if made on the date such payment was
due, and no interest will accrue on such payment for the period from and after
such date of Maturity to the date of such payment on the next succeeding
Business Day.

                  Interest on Notes bearing interest in the Daily or Weekly
Interest Rate Mode, the Commercial Paper Term Mode or at a floating interest
rate during a Long Term Rate Period will be computed on the basis of actual days
elapsed over 360; provided that, if an applicable Interest Rate Basis is the CMT
Rate or Treasury Rate (each as defined below), interest will be computed on the
basis of actual days elapsed over the actual number of days in the year.
Interest on Notes bearing interest at a fixed rate in the Long Term Rate Mode or
Fixed Interest Rate Mode will be computed on the basis of a year of 360 days
consisting of twelve 30-day months. Interest on

                                       6

<PAGE>   7

Notes at the Initial Interest Rate will be computed on the basis of (a) actual
days elapsed over 360 if the Initial Interest Rate Period is less than one year
or (b) a year of 360 days consisting of twelve 30-day months if the Initial
Interest Rate Period is one year or more.

                  Determination of Interest Rates.

         General. The interest rate and, in the case of a floating interest
rate, the Spread (if any) and the Spread Multiplier (if any) for any Note will
be established by the applicable Remarketing Agent in a remarketing as described
in Section 206 hereof or otherwise not later than the Interest Rate Adjustment
Date for such Note as the minimum rate of interest and, in the case of a
floating interest rate, Spread (if any) and Spread Multiplier (if any) necessary
in the judgment of such Remarketing Agent to produce a par bid in the secondary
market for such Note on the date the interest rate is established. Such rate
will be effective for the next succeeding Interest Rate Period for such Note
commencing on such Interest Rate Adjustment Date.

                  In the event that (i) the applicable Remarketing Agent has
been removed or has resigned and no successor has been appointed, or (ii) such
Remarketing Agent has failed to announce the appropriate interest rate, Spread,
if any, or Spread Multiplier, if any, as the case may be, on the Interest Rate
Adjustment Date for any Note for whatever reason, or (iii) the appropriate
interest rate, Spread, if any, or Spread Multiplier, if any, as the case may be,
or Interest Rate Period cannot be determined for any Note for whatever reason,
all such Notes for which such Remarketing Agent is responsible for remarketing
shall be automatically converted to the Commercial Paper Term Mode with an
Interest Rate Period of generally seven days, determined as provided below under
"Interest Rate Modes - Commercial Paper Term Period", and the rate of interest
thereon shall be equal to the rate per annum announced by Bank One, National
Association, or such other nationally recognized bank located in the United
States as the Company may select, as its prime lending rate (such rate of
interest being referred to herein as the "Special Interest Rate").

                  The interest rate on the Notes shall not exceed the Maximum
Rate.

                  The Trustee shall, upon request of any Beneficial Owner of a
Note, advise such Beneficial Owner or the applicable Remarketing Agent of the
interest rate and, in the case of a floating interest rate, the Interest Rate
Basis or Bases, Spread (if any) and Spread Multiplier (if any), and in each case
the other terms applicable to such Beneficial Owner's Notes for the next
Interest Rate Period. Neither the Trustee nor the Company will otherwise be
required to advise Beneficial Owners of the applicable interest rate.

                  Floating Interest Rates.

                  While any Note bears interest in the Long Term Rate Mode, the
Company may elect a floating interest rate by providing notice, which will be in
or promptly confirmed in writing (which includes facsimile or appropriate
electronic media), received by the Trustee and the Remarketing Agent for such
Note (the "Floating Interest Rate Notice") not less than ten (10) days prior to
the Interest Rate Adjustment Date for such Long Term Rate Period. The Floating
Interest Rate Notice must identify by CUSIP number or otherwise the portion of
the Note to which it relates and state the Long Term Rate Period therefor to
which it relates. Each Floating

                                       7

<PAGE>   8

Interest Rate Notice must also state the Interest Rate Basis or Bases, the
Initial Interest Reset Date, the Interest Reset Period and Dates, the Interest
Payment Period and Dates, the Index Maturity and the Floating Rate Maximum
Interest Rate and/or Floating Rate Minimum Interest Rate, if any. If one or more
of the applicable Interest Rate Bases is LIBOR or the CMT Rate, the Floating
Interest Rate Notice shall also specify the Index Currency and Designated LIBOR
Page or the Designated CMT Maturity Index and Designated CMT Telerate Page,
respectively.

         If any Note bears interest at a floating rate in a Long Term Rate
Period, such Note shall bear interest at the rate determined by reference to the
applicable Interest Rate Basis or Bases (a) plus or minus the Spread, if any,
and/or (b) multiplied by the Spread Multiplier, if any, in each case as
specified by the Remarketing Agent and recorded in Annex A to such Note.
Commencing on the Interest Rate Adjustment Date for such Long Term Rate Period,
the rate at which interest on such Note shall be payable shall be reset as of
each Interest Reset Date during such Long Term Rate Period specified in the
applicable Floating Interest Rate Notice.

         The applicable floating interest rate on any Note during any Long Term
Rate Period will be determined by reference to the applicable Interest Rate
Basis or Interest Rate Bases, which may include (i) the CD Rate, (ii) the CMT
Rate, (iii) the Federal Funds Rate, (iv) LIBOR, (v) the Prime Rate, (vi) the
Treasury Rate, or (vii) such other Interest Rate Basis or interest rate formula
as may be specified in the applicable Floating Interest Rate Notice.

         Unless otherwise specified in the applicable Floating Interest Rate
Notice, the interest rate with respect to each Interest Rate Basis will be
determined in accordance with the applicable provisions below. Except as set
forth above or in the applicable Floating Interest Rate Notice, the interest
rate in effect on each day shall be: (i) if such day is an Interest Reset Date,
the interest rate determined as of the Interest Determination Date (as
hereinafter defined) immediately preceding such Interest Reset Date; or (ii) if
such day is not an Interest Reset Date, the interest rate determined as of the
Interest Determination Date immediately preceding the most recent Interest Reset
Date. If any Interest Reset Date would otherwise be a day that is not a Business
Day, such Interest Reset Date shall be postponed to the next succeeding Business
Day, except that if LIBOR is an applicable Interest Rate Basis and such Business
Day falls in the next succeeding calendar month, such Interest Reset Date shall
be the immediately preceding Business Day. In addition, if the Treasury Rate is
an applicable Interest Rate Basis and the Interest Determination Date would
otherwise fall on an Interest Reset Date, then such Interest Reset Date will be
postponed to the next succeeding Business Day.

         The applicable Floating Interest Rate Notice will specify whether the
rate of interest will be reset daily, weekly, monthly, quarterly, semiannually
or annually or on such other specified basis (each, an "Interest Reset Period")
and the dates on which such rate of interest will be reset (each, an "Interest
Reset Date"). Unless otherwise specified in the applicable Floating Interest
Rate Notice, the Interest Reset Dates will be, in the case of a floating
interest rate which resets: (i) daily, each Business Day; (ii) weekly, the
Wednesday of each week (unless the Treasury Rate is an applicable Interest Rate
Basis, in which case the Tuesday of each week except as described below); (iii)
monthly, the third Wednesday of each month; (iv) quarterly, the third Wednesday
of March, June, September and December of each year, (v) semiannually, the third
Wednesday of the two months specified in the applicable Floating Interest Rate
Notice; and (vi) annually, the third Wednesday of the month specified in the
applicable Floating Interest Rate Notice.

                                       8

<PAGE>   9

         The "Interest Determination Date" with respect to the Federal Funds
Rate and the Prime Rate will be the Business Day immediately preceding the
applicable Interest Reset Date; the "Interest Determination Date" with respect
to the CD Rate and the CMT Rate will be the second Business Day immediately
preceding the applicable Interest Reset Date; and the "Interest Determination
Date" with respect to LIBOR shall be the second London Business Day immediately
preceding the applicable Interest Reset Date, unless the Index Currency is
British pounds sterling, in which case the "Interest Determination Date" will be
the applicable Interest Reset Date. The "Interest Determination Date" with
respect to the Treasury Rate shall be the day in the week in which the
applicable Interest Reset Date falls on which day Treasury Bills (as defined
below) are normally auctioned (Treasury Bills are normally sold at an auction
held on Monday of each week, unless such Monday is a legal holiday, in which
case the auction is normally held on the immediately succeeding Tuesday,
although such auction may be held on the preceding Friday); provided, however,
that if an auction is held on the Friday of the week preceding the applicable
Interest Reset Date, the "Interest Determination Date" shall be such preceding
Friday. If the interest rate of any Note is a floating interest rate determined
with reference to two or more Interest Rate Bases specified in the applicable
Floating Interest Rate Notice, the "Interest Determination Date" pertaining to
the Note shall be the most recent Business Day which is at least two Business
Days prior to the applicable Interest Reset Date on which each Interest Rate
Basis is determinable. Each Interest Rate Basis shall be determined as of such
date, and the applicable interest rate shall take effect on the related Interest
Reset Date.

         Either or both of the following may also apply to the floating interest
rate on any Note for a Long Term Rate Period: (i) a Floating Rate Maximum
Interest Rate, or ceiling, that may accrue during any Interest Reset Period and
(ii) a Floating Rate Minimum Interest Rate, or floor, that may accrue during any
Interest Reset Period. In addition to any Floating Rate Maximum Interest Rate
that may apply, the interest rate on any Note will in no event be higher than
the Maximum Rate established by the Company or the maximum rate permitted by New
York law, as the same may be modified by United States laws of general
application.

         Except as provided below or in the applicable Floating Interest Rate
Notice, interest will be payable, in the case of floating interest rates which
reset: (i) daily, weekly or monthly, on the third Wednesday of each month or on
the third Wednesday of March, June, September and December of each year, as
specified in the applicable Floating Interest Rate Notice; (ii) quarterly, on
the third Wednesday of March, June, September and December of each year; (iii)
semiannually, on the third Wednesday of the two months of each year specified in
the applicable Floating Interest Rate Notice; and (iv) annually, on the third
Wednesday of the month of each year specified in the applicable Floating
Interest Rate Notice and, in each case, on the Business Day immediately
following the applicable Long Term Rate Period. If any Interest Payment Date for
the payment of interest at a floating rate (other than at Maturity or following
the end of the applicable Long Term Rate Period) would otherwise be a day that
is not a Business Day, such Interest Payment Date will be postponed to the next
succeeding Business Day, except that if LIBOR is an applicable Interest Rate
Basis and such Business Day falls in the next succeeding calendar month, such
Interest Payment Date will be the immediately preceding Business Day.

         All percentages resulting from any calculation of floating interest
rates will be rounded to the nearest one hundred-thousandth of a percentage
point, with five one-millionths of a percentage point rounded upwards (e.g.,
9.876545% (or .09876545) would be rounded to

                                       9

<PAGE>   10

9.87655% (or .0987655)), and all amounts used in or resulting from such
calculation will be rounded, in the case of United States dollars, to the
nearest cent or, in the case of a foreign currency or composite currency, to the
nearest unit (with one-half cent or unit being rounded upwards).

         Accrued floating rate interest will be calculated by multiplying the
principal amount of the applicable Note by an accrued interest factor. Such
accrued interest factor will be computed by adding the interest factor
calculated for each day in the applicable Interest Reset Period. Unless
otherwise specified in the applicable Floating Interest Rate Notice, the
interest factor for each such day will be computed by dividing the interest rate
applicable to such day by 360, if an applicable Interest Rate Basis is the CD
Rate, the Federal Funds Rate, LIBOR or the Prime Rate, or by the actual number
of days in the year if an applicable Interest Rate Basis is the CMT Rate or the
Treasury Rate. Unless otherwise specified in the applicable Floating Interest
Rate Notice, if the floating interest rate is calculated with reference to two
or more Interest Rate Bases, the interest factor will be calculated in each
period in the same manner as if only one of the applicable Interest Rate Bases
applied as specified in the applicable Floating Interest Rate Notice.

         Unless otherwise specified in the applicable Floating Interest Rate
Notice, Bank One Trust Company, National Association will be the "Calculation
Agent." Upon request of the Beneficial Owner of a Note, after any Interest Rate
Adjustment Date, the Calculation Agent or the Remarketing Agent shall disclose
the interest rate and, in the case of a floating interest rate, Interest Rate
Basis or Bases, Spread (if any) and Spread Multiplier (if any), and in each case
the other terms applicable to such Note then in effect and, if determined, the
interest rate that will become effective as a result of a determination made for
the next succeeding Interest Reset Date with respect to such Note. Except as
described herein with respect to a Note earning interest at floating rates, no
notice of the applicable interest rate, Spread (if any) or Spread Multiplier (if
any) shall be sent to the beneficial owner of any Note.

         Unless otherwise specified in the applicable Floating Interest Rate
Notice, the "Calculation Date", if applicable, pertaining to any Interest
Determination Date will be the earlier of (i) the tenth calendar day after such
Interest Determination Date or, if such day is not a Business Day, the next
succeeding Business Day or (ii) the Business Day immediately preceding the
applicable Interest Payment Date or Maturity, as the case may be.

         CD Rate. If an Interest Rate Basis for any Note is specified in the
applicable Floating Interest Rate Notice as the CD Rate, the CD Rate shall be
determined as of the applicable Interest Determination Date (a "CD Rate Interest
Determination Date") as:

         (1)      the rate on such CD Rate Interest Determination Date for
                  negotiable United States dollar certificates of deposit having
                  the Index Maturity specified in the applicable Floating
                  Interest Rate Notice as published in H.15(519) (as defined
                  below) under the caption "CDs (secondary market)", or

         (2)      if the rate referred to in clause (1) is not so published by
                  3:00 P.M., New York City time, on the related Calculation
                  Date, the rate on such CD Rate Interest Determination Date for
                  negotiable United States dollar certificates of deposit of

                                       10

<PAGE>   11

                  the Index Maturity as published in H.15 Daily Update (as
                  defined below), or such other recognized electronic source
                  used for the purpose of displaying the applicable rate, under
                  the caption "CDs (secondary market)", or

         (3)      if the rate referred to in clause (2) is not so published by
                  3:00 P.M., New York City time, on such Calculation Date, the
                  rate on such CD Rate Interest Determination Date calculated by
                  the Calculation Agent as the arithmetic mean of the secondary
                  market offered rates as of 10:00 A.M., New York City time, on
                  such CD Rate Interest Determination Date, of three leading
                  nonbank dealers in negotiable United States dollar
                  certificates of deposit in The City of New York (which may
                  include the Remarketing Agent or its affiliates) selected by
                  the Calculation Agent, after consultation with the Company,
                  for negotiable United States dollar certificates of deposit of
                  major United States money market banks for negotiable United
                  States dollar certificates of deposit with a remaining
                  maturity closest to the Index Maturity specified in the
                  applicable Floating Interest Rate Notice in an amount that is
                  representative for a single transaction in such market at such
                  time, or

         (4)      if the dealers so selected by the Calculation Agent are not
                  quoting as mentioned in clause (3), the CD Rate in effect on
                  such CD Rate Interest Determination Date.

"H.15(519)" means the weekly statistical release designated as H.15(519), or any
successor publication, published by the Board of Governors of the Federal
Reserve System.

"H.15 Daily Update" means the daily update of H.15(519), available through the
world-wide-web site of the Board of Governors of the Federal Reserve System at
http://www.bog.frb.fed.us/releases/h15/update, or any successor site or
publication.

         CMT Rate. If an Interest Rate Basis for any Note is specified in the
applicable Floating Interest Rate Notice as the CMT Rate, the CMT Rate shall be
determined by the Calculation Agent as of the applicable Interest Determination
Date (a "CMT Rate Interest Determination Date") in accordance with the following
provisions:

          (1)  if "CMT Telerate Page 7051" is specified in the applicable
               Floating Interest Rate Notice:

               (a)  the percentage equal to the yield for United States Treasury
                    securities at "constant maturity" having the Index Maturity
                    specified in the applicable Floating Interest Rate Notice as
                    published in H.15(519) under the caption "Treasury Constant
                    Maturities", as such yield is displayed on Bridge Telerate,
                    Inc. (or any successor service) on page 7051 (or any other
                    page as may replace such page on such service) ("Telerate
                    Page 7051") for such CMT Rate Interest Determination Date,
                    or

               (b)  if the rate referred to in clause (a) does not so appear on
                    Telerate Page 7051, the percentage equal to the yield for
                    United States Treasury securities at "constant maturity"
                    having the Index Maturity and for such

                                       11

<PAGE>   12

                    CMT Rate Interest Determination Date as published in
                    H.15(519) under the caption "Treasury Constant Maturities",
                    or

               (c)  if the rate referred to in clause (b) does not so appear in
                    H.15(519), the rate on such CMT Rate Interest Determination
                    Date for the period of the Index Maturity as may then be
                    published by either the Federal Reserve System Board of
                    Governors or the United States Department of the Treasury
                    that the Calculation Agent determines to be comparable to
                    the rate which would otherwise have been published in
                    H.15(519), or

               (d)  if the rate referred to in clause (c) is not so published,
                    the rate on such CMT Rate Interest Determination Date
                    calculated by the Calculation Agent as a yield-to-maturity
                    based on the arithmetic mean of the secondary market bid
                    prices at approximately 3:30 p.m., New York City time, on
                    such CMT Rate Interest Determination Date of three leading
                    primary United States government securities dealers in The
                    City of New York (each, a "Reference Dealer") (which may
                    include the Remarketing Agent or its affiliates) selected by
                    the Calculation Agent, after consultation with the Company,
                    (from five such Reference Dealers and eliminating the
                    highest quotation (or, in the event of equality, one of the
                    highest) and the lowest quotation (or, in the event of
                    equality, one of the lowest)) for United States Treasury
                    securities with an original maturity equal to the Index
                    Maturity, a remaining term to maturity no more than 1 year
                    shorter than the Index Maturity and in a principal amount
                    that is representative for a single transaction in such
                    securities in such market at such time, or

               (e)  if fewer than five but more than two of the prices referred
                    to in clause (d) are provided as requested, the rate on such
                    CMT Rate Interest Determination Date calculated by the
                    Calculation Agent based on the arithmetic mean of the bid
                    prices obtained and neither the highest nor lowest of such
                    quotations shall be eliminated, or

               (f)  if fewer than three prices referred to in clause (d) are
                    provided as requested, the rate on such CMT Rate Interest
                    Determination Date calculated by the Calculation Agent as a
                    yield-to-maturity based on the arithmetic mean of the
                    secondary market bid prices as of approximately 3:30 p.m.,
                    New York City time, on such CMT Rate Interest Determination
                    Date of three Reference Dealers selected by the Calculation
                    Agent, after consultation with the Company, (from five such
                    Reference Dealers and eliminating the highest quotation (or,
                    in the event of equality, one of the highest) and the lowest
                    quotation (or, in the event of equality, one of the lowest))
                    for United States Treasury securities with an original
                    maturity greater than the Index Maturity, a remaining term
                    to maturity closest to the Index Maturity and in a principal
                    amount that is representative for a single transaction in
                    such securities in such market at such time, or

                                       12

<PAGE>   13

               (g)  if fewer than five but more than two such prices referred to
                    in clause (f) are provided as requested, the rate on such
                    CMT Rate Interest Determination Date calculated by the
                    Calculation Agent based on the arithmetic mean of the bid
                    prices obtained and neither the highest nor the lowest of
                    such quotations shall be eliminated, or

               (h)  if fewer than three prices referred to in clause (f) are
                    provided as requested, the CMT Rate in effect on such CMT
                    Rate Interest Determination Date. If two such United States
                    Treasury securities with an original maturity greater than
                    the Index Maturity have remaining terms to maturity equally
                    close to the Index Maturity, the quotes for the Treasury
                    security with the shorter original term to maturity will be
                    used.

          (2)  If "CMT Telerate Page 7052" is specified in the applicable
               Floating Interest Rate Notice:

               (a)  the percentage equal to the one-week or one-month, as
                    specified in the applicable Floating Interest Rate Notice,
                    average yield for United States Treasury securities at
                    "constant maturity" having the Index Maturity specified in
                    the applicable Floating Interest Rate Notice as published in
                    H.15(519) opposite the caption "Treasury Constant
                    Maturities", as such yield is displayed on Bridge Telerate,
                    Inc. (or any successor service) on page 7052 (or any other
                    page as may replace such page on such service ) ("Telerate
                    Page 7052") for the week or month, as applicable, ended
                    immediately preceding the week or month, as applicable, in
                    which such CMT Rate Interest Determination Date falls, or

               (b)  if the rate referred to in clause (a) does not so appear on
                    the Telerate Page 7052, the percentage equal to the one-week
                    or one-month, as specified in the applicable Floating
                    Interest Rate Notice, average yield for United States
                    Treasury securities at "constant maturity" having the Index
                    Maturity and for the week or month, as applicable, preceding
                    such CMT Rate Interest Determination Date as published in
                    H.15(519) opposite the caption "Treasury Constant
                    Maturities", or

               (c)  if the rate referred to in clause (b) does not so appear in
                    H.15(519), the one-week or one-month, as specified in the
                    applicable Floating Interest Rate Notice, average yield for
                    United States Treasury securities at "constant maturity"
                    having the Index Maturity as otherwise announced by the
                    Federal Reserve Bank of New York for the week or month, as
                    applicable, ended immediately preceding the week or month,
                    as applicable, in which such CMT Rate Interest Determination
                    Date falls, or

               (d)  if the rate referred to in clause (c) is not so published,
                    the rate on such CMT Rate Interest Determination Date
                    calculated by the Calculation Agent as a yield-to-maturity
                    based on the arithmetic mean of the secondary market bid
                    prices at approximately 3:30 p.m., New York City

                                       13

<PAGE>   14

                    time, on such CMT Rate Interest Determination Date of three
                    Reference Dealers selected by the Calculation Agent (from
                    five such Reference Dealers and eliminating the highest
                    quotation (or, in the event of equality, one of the highest)
                    and the lowest quotation (or, in the event of equality, one
                    of the lowest)) for United States Treasury securities with
                    an original maturity equal to the Index Maturity, a
                    remaining term to maturity of no more than 1 year shorter
                    than the Index Maturity and in a principal amount that is
                    representative for a single transaction in such securities
                    in such market at such time, or

               (e)  if fewer than five but more than two of the prices referred
                    to in clause (d) are provided as requested, the rate on such
                    CMT Rate Interest Determination Date calculated by the
                    Calculation Agent based on the arithmetic mean of the bid
                    prices obtained and neither the highest nor lowest of such
                    quotations shall be eliminated, or

               (f)  if fewer than three prices referred to in clause (d) are
                    provided as requested, the rate on such CMT Rate Interest
                    Determination Date calculated by the Calculation Agent as a
                    yield-to-maturity based on the arithmetic mean of the
                    secondary market bid prices as of approximately 3:30 p.m.,
                    New York City time, on such CMT Rate Interest Determination
                    Date of three Reference Dealers selected by the Calculation
                    Agent, after consultation with the Company, (from five such
                    Reference Dealers and eliminating the highest quotation (or,
                    in the event of equality, one of the highest) and the lowest
                    quotation (or, in the event of equality, one of the lowest))
                    for United States Treasury securities with an original
                    maturity longer than the Index Maturity, a remaining term to
                    maturity closest to the Index Maturity and in a principal
                    amount that is representative for a single transaction in
                    such securities in such market at such time, or

               (g)  if fewer than five but more than two prices referred to in
                    clause (f) are provided as requested, the rate on such CMT
                    Rate Interest Determination Date calculated by the
                    Calculation Agent based on the arithmetic mean of the bid
                    prices obtained and neither the highest nor lowest of such
                    quotations shall be eliminated, or

               (h)  if fewer than three prices referred to in clause (f) are
                    provided as requested, the CMT Rate in effect on such CMT
                    Rate Interest Determination Date.

         If two United States Treasury securities with an original maturity
greater than the Index Maturity have remaining terms to maturity equally close
to the Index Maturity, the quotes for the Treasury security with the shorter
original term to maturity will be used.

         Federal Funds Rate. If an Interest Rate Basis for any Note is specified
in the applicable Floating Interest Rate Notice as the Federal Funds Rate, the
Federal Funds Rate shall be

                                      14

<PAGE>   15

determined as of the applicable Interest Determination Date (a "Federal Funds
Rate Interest Determination Date") as:

          (1)  the rate on such Federal Funds Rate Interest Determination Date
               for United States dollar federal funds as published in H.15(519)
               under the caption "Federal Funds (Effective)" and displayed on
               Bridge Telerate, Inc. (or any successor service) on page 120 (or
               any other page as may replace such page on such service)
               ("Telerate Page 120"), or

          (2)  if the rate referred to in clause (1) does not so appear on
               Telerate page 120 or is not so published by 3:00 P.M., New York
               City time, on the related Calculation Date, the rate on such
               Federal Funds Rate Interest Determination Date for United States
               dollar federal funds as published in H.15 Daily Update, or such
               other recognized electronic source used for the purpose of
               displaying the applicable rate, under the caption "Federal Funds
               (Effective)", or

          (3)  if the rate referred to in clause (2) is not so published by 3:00
               P.M., New York City time, on such Calculation Date, the rate on
               such Federal Funds Rate Interest Determination Date calculated by
               the Calculation Agent as the arithmetic mean of the rates for the
               last transaction in overnight United States dollar federal funds
               arranged by three leading brokers of United States dollar federal
               funds transactions in The City of New York (which may include the
               Remarketing Agent or its affiliates) selected by the Calculation
               Agent, after consultation with the Company, prior to 9:00 A.M.,
               New York City time, on such Federal Funds Rate Interest
               Determination Date, or

          (4)  if the brokers so selected by the Calculation Agent are not
               quoting as mentioned in clause (3), the Federal Funds Rate in
               effect on such Federal Funds Rate Interest Determination Date.

          LIBOR. If an Interest Rate Basis for any Note is specified in the
applicable Floating Interest Rate Notice as LIBOR, LIBOR shall be determined by
the Calculation Agent as of the applicable Interest Determination Date (a "LIBOR
Interest Determination Date") in accordance with the following provisions:

          (1)  if "LIBOR Telerate" is specified in the applicable Floating
               Interest Rate Notice or if neither "LIBOR Reuters" nor "LIBOR
               Telerate" is specified in the applicable Floating Interest Rate
               Notice as the method for calculating LIBOR, the rate for deposits
               in the Index Currency having the Index Maturity specified in the
               applicable Floating Interest Rate Notice, commencing on the
               related Interest Reset Date, that appears on the LIBOR Page (as
               defined below) as of 11:00 A.M., London time, on such LIBOR
               Interest Determination Date, or

          (2)  if "LIBOR Reuters" is specified in the applicable Floating
               Interest Rate Notice, the arithmetic mean of the offered rates
               calculated by the Calculation Agent (unless the LIBOR Page by its
               terms provides only for a single rate, in which case the offered
               rate) for deposits in the Index Currency having the Index
               Maturity,

                                       15

<PAGE>   16

               commencing on such Interest Reset Date, that appear (or, if only
               a single rate is required as aforesaid, appears) on the LIBOR
               Page as of 11:00 A.M., London time, on such LIBOR Interest
               Determination Date, or

          (3)  if fewer than two offered rates appear, or if no such rate
               appears, as applicable, on such LIBOR Interest Determination Date
               on the LIBOR Page as specified in clause (1) or (2) above, the
               rate calculated by the Calculation Agent of at least two offered
               quotations obtained by the Calculation Agent after requesting the
               principal London offices of each of four major reference banks in
               the London interbank market to provide the Calculation Agent with
               its offered quotation for deposits in the Index Currency for the
               period of the Index Maturity, commencing on such Interest Reset
               Date, to prime banks in the London interbank market at
               approximately 11:00 A.M., London time, on such LIBOR Interest
               Determination Date and in a principal amount that is
               representative for a single transaction in the Index Currency in
               such market at such time, or

          (4)  if fewer than two quotations referred to in clause (3) are
               provided as requested, the rate calculated by the Calculation
               Agent as the arithmetic mean of the rates quoted at approximately
               11:00 A.M., in the applicable Principal Financial Center, on such
               LIBOR Interest Determination Date by three major banks in such
               Principal Financial Center selected by the Calculation Agent,
               after consultation with the Company, for loans in the Index
               Currency to leading European banks having the Index Maturity
               specified in the applicable Floating Interest Rate Notice and in
               a principal amount that is representative for a single
               transaction in the Index Currency in such market at such time, or

          (5)  if the banks so selected by the Calculation Agent are not quoting
               as mentioned in clause (4), LIBOR in effect on such LIBOR
               Interest Determination Date.

"Index Currency" means the currency specified in the applicable Floating
Interest Rate Notice as to which LIBOR shall be calculated or, if no such
currency is specified in the applicable Floating Interest Rate Notice, United
States dollars.

"LIBOR Page" means either: (a) if "LIBOR Reuters" is specified in the applicable
Floating Interest Rate Notice, the display on the Reuter Monitor Money Rates
Service (or any successor service) on the page specified in the applicable
Floating Interest Rate Notice (or any other page as may replace such page on
such service) for the purpose of displaying the London interbank rates of major
banks for the Index Currency, or (b) if "LIBOR Telerate" is specified in the
applicable Floating Interest Rate Notice or neither "LIBOR Reuters" nor "LIBOR
Telerate" is specified in the applicable Floating Interest Rate Notice as the
method for calculating LIBOR, the display on Bridge Telerate, Inc. (or any
successor service) on the page specified in the applicable Floating Interest
Rate Notice (or any other page as may replace such page on such service) for the
purpose of displaying the London interbank rates of major banks for the Index
Currency.

                                       16

<PAGE>   17

         Prime Rate. If an Interest Rate Basis for any Note is specified in the
applicable Floating Interest Rate Notice as the Prime Rate, the Prime Rate shall
be determined as of the applicable Interest Determination Date (a "Prime Rate
Interest Determination Date") as:

          (1)  the rate on such Prime Rate Interest Determination Date as
               published in H.15(519) under the caption "Bank Prime Loan", or

          (2)  if the rate referred to in clause (1) is not so published by 3:00
               P.M., New York City time, on the related Calculation Date, the
               rate on such Prime Rate Interest Determination Date as published
               in H.15 Daily Update, or such other recognized electronic source
               used for the purpose of displaying the applicable rate, under the
               caption "Bank Prime Loan", or

          (3)  if the rate referred to in clause (2) is not so published by 3:00
               P.M., New York City time, on such Calculation Date, the rate on
               such Prime Rate Interest Determination Date calculated by the
               Calculation Agent as the arithmetic mean of the rates of interest
               publicly announced by each bank that appears on the Reuters
               Screen US PRIME 1 Page (as defined below) as such bank's prime
               rate or base lending rate as of 11:00 A.M., New York City time,
               on such Prime Rate Interest Determination Date, or

          (4)  if fewer than four rates referred to in clause (3) are so
               published by 3:00 P.M., New York City time, on such Calculation
               Date, the rate on such Prime Rate Interest Determination Date
               calculated by the Calculation Agent as the arithmetic mean of the
               prime rates or base lending rates quoted on the basis of the
               actual number of days in the year divided by a 360-day year as of
               the close of business on such Prime Rate Interest Determination
               Date by three major banks (which may include Bank One, National
               Association) in The City of New York selected by the Calculation
               Agent, after consultation with the Company, or

          (5)  if the banks so selected by the Calculation Agent are not quoting
               as mentioned in clause (4), the Prime Rate in effect on such
               Prime Rate Interest Determination Date.

"Reuters Screen US PRIME 1 Page" means the display on the Reuter Monitor Money
Rates Service (or any successor service) on the "US PRIME 1" page (or any other
page as may replace the US PRIME 1 page on such service) for the purpose of
displaying prime rates or base lending rates of major United States banks.

         Treasury Rate. If an Interest Rate Basis for any Note is specified in
the applicable Floating Interest Rate Notice as the Treasury Rate, the Treasury
Rate shall be determined as of the applicable Interest Determination Date (a
"Treasury Rate Interest Determination Date") as:

          (1)  the rate from the auction held on such Treasury Rate Interest
               Determination Date (the "Auction") of direct obligations of the
               United States ("Treasury Bills") having the Index Maturity
               specified in the applicable Floating Interest Rate Notice under
               the caption "INVESTMENT RATE" on the display on Bridge Telerate,
               Inc. (or any successor service) on page 56 (or any other page as
               may

                                       17

<PAGE>   18

               replace such page on such service) ("Telerate Page 56") or page
               57 (or any other page as may replace such page on such service)
               ("Telerate Page 57"), or

          (2)  if the rate referred to in clause (1) is not so published by 3:00
               P.M., New York City time, on the related Calculation Date, the
               Bond Equivalent Yield (as defined below) of the rate for such
               Treasury Bills as published in H.15 Daily Update, or such other
               recognized electronic source used for the purpose of displaying
               the applicable rate, under the caption "U.S. Government
               Securities/Treasury Bills/Auction High", or

          (3)  if the rate referred to in clause (2) is not so published by 3:00
               P.M., New York City time, on such Calculation Date, the Bond
               Equivalent Yield of the auction rate of such Treasury Bills as
               announced by the United States Department of the Treasury, or

          (4)  if the rate referred to in clause (3) is not so announced by the
               United States Department of Treasury or if the Auction is not
               held, the Bond Equivalent Yield of the rate on such Treasury Rate
               Interest Determination Date of such Treasury Bills as published
               in H.15(519) under the caption "U.S. Government
               Securities/Treasury Bills/Secondary Market", or

          (5)  if the rate referred to in clause (4) is not so published by 3:00
               P.M., New York City time, on such Calculation Date, the rate on
               such Treasury Rate Interest Determination Date of such Treasury
               Bills as published in H.15 Daily Update, or such other recognized
               electronic source used for the purpose of displaying the
               applicable rate, under the caption "U.S. Government
               Securities/Treasury Bills/Secondary Market", or

          (6)  if the rate referred to in clause (5) is not so published by 3:00
               P.M., New York City time, on such Calculation Date, the rate on
               such Treasury Rate Interest Determination Date calculated by the
               Calculation Agent as the Bond Equivalent Yield of the arithmetic
               mean of the secondary market bid rates, as of approximately 3:30
               P.M., New York City time, on such Treasury Rate Interest
               Determination Date, of three primary United States government
               securities dealers (which may include the Remarketing Agent or
               its affiliates) selected by the Calculation Agent, after
               consultation with the Company, for the issue of Treasury Bills
               with a remaining maturity closest to the Index Maturity specified
               in the applicable Floating Interest Rate Notice, or

          (7)  if the dealers so selected by the Calculation Agent are not
               quoting as mentioned in clause (6), the Treasury Rate in effect
               on such Treasury Rate Interest Determination Date.

         "Bond Equivalent Yield" means a yield (expressed as a percentage)
calculated in accordance with the following formula:

<TABLE>
<S><C>

Bond Equivalent Yield =     D X N                          X 100

                            360 - (D X M)
</TABLE>

                                       18

<PAGE>   19

where "D" refers to the applicable per annum rate for Treasury Bills quoted on a
bank discount basis and expressed as a decimal, "N" to 365 or 366, as the case
may be, and "M" refers to the actual number of days in the applicable Interest
Reset Period.

                  Interest Rate Modes.

                  Commercial Paper Term Period. The Interest Rate Period for any
Note in the Commercial Paper Term Mode will be a Commercial Paper Term Period,
which will be a period of not less than one nor more than 364 consecutive
calendar days, as determined by the Company or, if not so determined, by the
Remarketing Agent for such Note (in its best judgment in order to obtain the
lowest interest cost for such Note). Each Commercial Paper Term Period will
commence on the Interest Rate Adjustment Date therefor and end on the day
preceding the date specified by such Remarketing Agent as the first day of the
next Interest Rate Period for such Note. The interest rate for any Commercial
Paper Term Period relating to a Remarketed Note will be determined not later
than 11:00 a.m., New York City time, on the Interest Rate Adjustment Date for
such Notes (subject to Section 206) which is the first day of each Interest Rate
Period for such Notes; provided, however, that if such day is not a Business
Day, the Interest Rate Adjustment Date for any Note in such Commercial Paper
Term Mode shall be the next succeeding day which is a Business Day.

                  Daily Interest Rate Period. The Interest Rate Period for any
Note in the Daily Interest Rate Mode will commence at the beginning of each
Business Day and end at the end of the calendar day preceding the next Business
Day. The interest rate for such Notes will be determined each Business Day not
later than 9:30 a.m., New York City time on such day (subject to Section 206).
The Daily Interest Rate Mode shall occur only so long as the Notes are
maintained in a book-entry system.

                  Weekly Interest Rate Period. The Interest Rate Period for any
Note in the Weekly Interest Rate Mode will generally be a seven day period
commencing on any Business Day, as determined by the applicable Remarketing
Agent, and ending on the day preceding the first day of the next Interest Rate
Period for such Note. The interest rate for any Notes in the Weekly Interest
Rate Mode will be determined not later than 11:00 a.m., New York City time, on
the Interest Rate Adjustment Date for such Notes (subject to Section 206), which
is the first day of each Interest Rate Period for such Notes.

                  Long Term Rate Period. The Interest Rate Period for any Note
in the Long Term Rate Mode will be established by the Company as a period of
more than 364 days and less than the Stated Maturity of such Note; provided,
however, that such Interest Rate Period must end on the day prior to an Interest
Payment Date for such Note; and provided further that, if so provided in a Note
in the Long Term Rate Mode and specified at the time of remarketing into a Long
Term Rate Period, the Company may shorten the Interest Rate Period and provide
for payment of a premium in respect thereof for any such Note upon written
notice to the Remarketing Agent and the Trustee not less than thirty (30) days
prior to the date upon which such shortened Interest Rate Period shall expire.
Promptly upon receipt of such notice and, in any case, not later than

                                       19
<PAGE>   20
the close of business on such date, the Trustee will transmit such information
to DTC in accordance with DTC's procedures as in effect from time to time. In
such case, the next Interest Rate Adjustment Date otherwise set forth in such
Note shall instead be the date upon which such Interest Rate Period shall
expire. The interest rate for any Notes in the Long Term Rate Mode will be
determined not later than 11:00 a.m., New York City time, on the Interest Rate
Adjustment Date for such Notes (subject to Section 206). The Interest Rate
Adjustment Date for the Long Term Rate Mode is the first day of the Interest
Rate Period; provided, however, that if such day is not a Business Day, the
Interest Rate Adjustment Date for any Note in such Long Term Rate Mode shall be
the next succeeding day which is a Business Day.

         If any Note is subject to early remarketing as provided above, the
Interest Rate Period may be shortened by the Company on any date on and after
the Initial Early Remarketing Date, if any, specified in the Note, upon prior
written notice as provided above. On and after the Initial Early Remarketing
Date, if any, on the Interest Rate Adjustment Date relating to such shortened
Interest Rate Period for such Note, the Company will pay a premium to the
tendering Beneficial Owner of the Note, together with accrued interest, if any,
thereon at the applicable rate payable to such Interest Rate Adjustment Date.
Unless otherwise specified in the Note, such premium shall be an amount equal to
the Initial Early Remarketing Premium specified therein (as adjusted by the
Annual Early Remarketing Premium Percentage Reduction, if applicable),
multiplied by the principal amount of the Note subject to early remarketing. The
Initial Early Remarketing Premium, if any, shall decline at each anniversary of
the Initial Early Remarketing Date by an amount equal to the applicable Annual
Early Remarketing Premium Percentage Reduction, if any, specified in the Note
until the premium is equal to 0.

                  Fixed Interest Rate Period. The Interest Rate Period for any
Note in the Fixed Interest Rate Mode will commence on the date of conversion to
such Interest Rate Mode and continue to the final maturity or date of redemption
of such Note. The interest rate for Notes in the Fixed Interest Rate Mode will
be determined not later than 11:00 a.m., New York City time, on the Interest
Rate Adjustment Date for such Notes (subject to Section 206), which is the date
of conversion to the Fixed Interest Rate Mode for such Notes and will be set
forth on the face of such Notes.

                  The foregoing Section 203 supersedes Section 204 of the First
Supplemental Indenture in its entirety.

                  Section 204. Conversion. As long as the Notes are not in the
Fixed Rate Mode, the Company may change the Interest Rate Mode at its option in
the manner described below.

                  (a) Conversion From the Daily or Weekly Interest Rate Mode.
Any Note in the Daily or Weekly Interest Rate Mode may be converted at the
option of the Company to any Interest Rate Mode on any Interest Rate Adjustment
Date for such Note upon receipt by the Trustee and the applicable Remarketing
Agent of notice, confirmed in writing, from the Company (a "Conversion Notice")
not less than ten (10) days prior to such Interest Rate Adjustment Date. The
Conversion Notice will contain the new Interest Rate Mode and the date of such
conversion (a "Conversion Date"), and will state that such Note will be subject
to mandatory tender by the Beneficial Owner thereof, as described in Section 205
hereof. Such Beneficial Owner will be deemed to have tendered such Note as of
the Conversion Date and will

                                       20
<PAGE>   21

not be entitled to further accrual of interest on such Note after such date.
Promptly upon receipt of any Conversion Notice and, in any case, not later than
the close of business on the day a Conversion Notice is received (unless
received after 3:00 p.m., New York City time, in which case not later than the
next Business Day), the Trustee will transmit such information to DTC in
accordance with DTC's procedures as in effect from time to time.

                  (b) Conversion from the Commercial Paper Term Mode or the Long
Term Rate Mode. Any Note in the Commercial Paper Term Mode or the Long Term Rate
Mode may be converted at the option of the Company to the Daily or Weekly
Interest Rate Mode or the Fixed Interest Rate Mode on any Interest Rate
Adjustment Date upon receipt by the Trustee and the applicable Remarketing Agent
of notice, confirmed in writing, from the Company not less than five Business
Days prior to such Interest Rate Adjustment Date. The Conversion Notice will
contain the new Interest Rate Mode and the Conversion Date, and will state that
such Note will be subject to mandatory tender by the Beneficial Owner thereof,
as described in Section 205 hereof. Such Beneficial Owner will be deemed to have
tendered such Note as of the Conversion Date and will not be entitled to further
accrual of interest on such Note after such date. Promptly upon receipt of any
Conversion Notice and, in any case, not later than the close of business on the
day a Conversion Notice is received (unless received after 3:00 p.m., New York
City time, in which case not later than the next Business Day), the Trustee will
transmit such information to DTC in accordance with DTC's procedures as in
effect from time to time. The Company agrees to give a Conversion Notice for
conversions between the Commercial Paper Term Mode and the Long Term Rate Mode
to the Trustee and applicable Remarketing Agent not less than ten (10) days
prior to the Conversion Date.

                  Any Note converted to the Fixed Interest Rate Mode will not be
subject to any further conversions between Interest Rate Modes.

                  (c) Revocation or Change of Conversion Notice or Floating
Interest Rate Notice. The Company may, upon written notice received by the
Trustee, the applicable Remarketing Agent and DTC, revoke any Conversion Notice
or Floating Interest Rate Notice or change the Interest Rate Mode to which such
Conversion Notice relates or change any Floating Interest Rate Notice up to 9:30
a.m., New York City time, on the Conversion Date.

                  (d) Limitation on Conversion, Change of Conversion Notice or
Floating Interest Rate Notice and Revocation. Notwithstanding the foregoing
subsections (a), (b) and (c), the Company may not, without the consent of the
applicable Remarketing Agent, convert any Note or revoke or change any
Conversion Notice or Floating Interest Rate Notice at or after the time at which
such Remarketing Agent has determined the interest rate, or Spread (if any) and
Spread Multiplier (if any), for any Note being remarketed (i.e., the time at
which such Note has been successfully remarketed, subject to settlement on the
related Interest Rate Adjustment Date). The Remarketing Agent will advise the
Company of indicative rates from time to time, or at any time upon the request
of the Company, prior to making such determination of the interest rate, Spread
or Spread Multiplier, as the case may be.

                  The foregoing Section 204 supersedes Section 205 of the First
Supplemental Indenture in its entirety.

                                       21
<PAGE>   22

                  Section 205.  Tender of Notes.

                  (a) Demand Tender Option for Notes in the Daily or Weekly
Interest Rate Mode. Any Note in the Daily or Weekly Interest Rate Mode is
subject to tender and purchase upon demand by the Beneficial Owner thereof on
any Business Day selected by such Beneficial Owner as hereinafter provided, at
the purchase price of par plus accrued interest, upon notice to the applicable
Remarketing Agent and to such Beneficial Owner's DTC participant on a Business
Day not later than (i) one (1) Business Day prior to the specified purchase
date, in the case of any Note in the Daily Interest Rate Mode, or (ii) seven
days prior to the specified purchase date, in the case of any Note in the Weekly
Interest Rate Mode; provided, however, that in either such case if the date
selected for purchase is not a Business Day, the purchase date shall be the next
succeeding Business Day. Such notice shall (A) state the principal amount (or
portion thereof) of such Note to be purchased, (B) state the purchase date on
which such Note will be purchased, and (C) irrevocably request such purchase.
Upon giving such notice, the Beneficial Owner of such Note will be deemed to
have irrevocably tendered such Note for remarketing as described below. Notes
may only be tendered in amounts of $100,000 and integral multiples thereof and
no Notes will be purchased in part if such partial purchase would result in the
principal amount of any Notes of a Beneficial Owner outstanding being in any
denomination of less than $100,000 or an integral multiple thereof.

                  (b) Mandatory Tender of Notes at the Initial Interest Rate or
in the Long Term Rate Mode or Commercial Paper Term Mode. Any Note bearing
interest at the Initial Interest Rate or in the Long Term Rate Mode or in the
Commercial Paper Term Mode will be automatically tendered for purchase, or
deemed tendered for purchase, on each Interest Rate Adjustment Date relating
thereto. Notes will be purchased on the Interest Rate Adjustment Date relating
thereto as described in Section 206 hereof.

                  Section 206. Remarketing. The interest rate on each Note will
be established from time to time by each Remarketing Agent responsible for the
remarketing thereof in accordance with the following procedures:

                  (a) Interest Rate Adjustment Date; Determination of Interest
Rate. By 11:00 a.m., New York City time (or 9:30 a.m., New York City time, in
the case of any Note in the Daily Interest Rate Mode), on the Interest Rate
Adjustment Date for any Note, the applicable Remarketing Agent will determine
the interest rate for such Note being remarketed to the nearest one
hundred-thousandth (0.00001) of one percent per annum for the next Interest Rate
Period; provided, that between 11:00 a.m., New York City time (or 9:30 a.m., New
York City time, in the case of any Note in the Daily Interest Rate Mode), and
11:50 a.m., New York City time, the Remarketing Agent and the Standby
Remarketing Agent(s), if any, shall use their best efforts to determine the
interest rate for any Notes not successfully remarketed as of the applicable
deadline specified in this paragraph. In determining the applicable interest
rate for such Note and other terms, such Remarketing Agent will, after taking
into account market conditions as reflected in the prevailing yields on fixed
and variable rate taxable debt securities, (i) consider the principal amount of
all Notes tendered or to be tendered on such date and the principal amount of
such Notes prospective purchasers are or may be willing to purchase and (ii)
contact, by telephone or otherwise, prospective purchasers and ascertain the
interest rates therefor at which they would be willing to hold or purchase such
Notes.

                                       22
<PAGE>   23

                  (b) Notification of Results; Settlement. By 12:30 p.m., New
York City time, on the Interest Rate Adjustment Date for any Notes, the
applicable Remarketing Agent will notify the Company and the Trustee in writing
(which may include facsimile or other electronic transmission), of (i) the
interest rate or, in the case of a floating interest rate, the initial interest
rate, the Spread and Spread Multiplier and the Initial Interest Reset Date,
applicable to such Notes for the next Interest Rate Period, (ii) the Interest
Rate Adjustment Date, (iii) the Interest Payment Dates, for any Notes in the
Commercial Paper Term Mode (if other than the Interest Rate Adjustment Date),
the Long Term Rate Mode or the Fixed Interest Rate Mode, (iv) the optional
redemption terms, if any, and early remarketing terms, if any, in the case of a
remarketing into a Long Term Rate Period, (v) the aggregate principal amount of
tendered Notes and (vi) the aggregate principal amount of such tendered Notes
which such Remarketing Agent was able to remarket, at a price equal to 100% of
the principal amount thereof plus accrued interest, if any. Immediately after
receiving such notice, and in any case, not later than 1:30 p.m. New York City
time, the Trustee will transmit such information and any other settlement
information required by DTC to DTC in accordance with DTC's procedures as in
effect from time to time.

                  By telephone at approximately 1:00 p.m., New York City time,
on such Interest Rate Adjustment Date, the applicable Remarketing Agent will
advise each purchaser of such Notes (or the DTC participant of each such
purchaser who it is expected in turn will advise such purchaser) of the
principal amount of such Notes that such purchaser is to purchase.

                  Each purchaser of Notes in a remarketing will be required to
give instructions to its DTC participant to pay the purchase price therefor in
same day funds to the applicable Remarketing Agent against delivery of the
principal amount of such Notes by book entry through DTC by 3:00 p.m., New York
City time, on the Interest Rate Adjustment Date. Any Notes bearing interest in
the Daily or Weekly Interest Rate Mode for the Interest Rate Period immediately
preceding a remarketing will be settled at a price of 100% of the principal
amount thereof plus accrued interest from the most recent Interest Payment Date
therefor to the date of settlement.

                  All tendered Notes will be automatically delivered to the
account of the Trustee (or such other account meeting the requirements of DTC's
procedures as in effect from time to time), by book entry through DTC against
payment of the purchase price or redemption price therefor, on the Interest Rate
Adjustment Date relating thereto.

                  The applicable Remarketing Agent will make, or cause the
Trustee to make, payment to the DTC participant of each tendering Beneficial
Owner of Notes subject to a remarketing, by book entry through DTC by the close
of business on the Interest Rate Adjustment Date against delivery through DTC of
such Beneficial Owner's tendered Notes, of the purchase price for tendered Notes
that have been sold in the remarketing. If any such Notes were purchased
pursuant to a Special Mandatory Purchase, subject to receipt of funds from the
Company or the Liquidity Provider (if any), as the case may be, the Trustee will
make such payment of the purchase price of such Notes plus accrued interest, if
any, to such date.

                  The transactions described above for a remarketing of any
Notes will be executed on the Interest Rate Adjustment Date for such Notes
through DTC in accordance with the

                                       23
<PAGE>   24

procedures of DTC, and the accounts of the respective DTC participants will be
debited and credited and such Notes delivered by book entry as necessary to
effect the purchases and sales thereof, in each case as determined in the
related remarketing.

                  Except as otherwise set forth in Section 206(c) or 207 hereof,
any Notes tendered in a remarketing will be purchased solely out of the proceeds
received from purchasers of such Notes in such remarketing, and neither the
Trustee, the applicable Remarketing Agent nor any Standby Remarketing Agent or
the Company will be obligated to provide funds to make payment upon any
Beneficial Owner's tender in a remarketing.

                  Although tendered Notes will be subject to purchase by a
Remarketing Agent in a remarketing, such Remarketing Agent and any Standby
Remarketing Agent will not be obligated to purchase any such Notes.

                  The settlement and remarketing procedures described above,
including provisions for payment by purchasers of tendered Notes or for payment
to selling Beneficial Owners of tendered Notes, may be modified to the extent
required by DTC rules and procedures in effect from time to time. In addition,
each Remarketing Agent may, in accordance with the terms of the Original
Indenture, modify the settlement and remarketing procedures set forth above in
order to facilitate the settlement and remarketing process.

                  As long as DTC's nominee holds the certificates representing
the Notes in the book entry system of DTC, no certificates for such Notes will
be delivered by any selling Beneficial Owner to reflect any transfer of Notes
effected in any remarketing.

                  The Trustee shall confirm to DTC the interest rate for the
following Interest Rate Period in accordance with DTC's procedures as in effect
from time to time.

                  The interest rate announced by the applicable Remarketing
Agent, absent manifest error, shall be binding and conclusive upon the
Beneficial Owners, the Company and the Trustee.

                  (c) Failed Remarketing. By 12:00 o'clock noon, New York City
time, on any Interest Rate Adjustment Date, the applicable Remarketing Agent
will notify the Liquidity Provider, if any, the Trustee and the Company by
telephone or facsimile, confirmed in writing, of the principal amount of Notes
that such Remarketing Agent and the applicable Standby Remarketing Agent or
Agents were unable to remarket on such date. In the event that the Company has
entered into a Standby Note Purchase Agreement which is in effect on such date,
such notice will constitute a demand for the benefit of the Company to the
Liquidity Provider to purchase such unremarketed Notes at a price equal to the
outstanding principal amount thereof pursuant to the terms of such Standby Note
Purchase Agreement. If a Standby Note Purchase Agreement is not in effect on
such date, or if the Liquidity Provider fails to advance funds under the Standby
Note Purchase Agreement, the Company hereby agrees to purchase such unremarketed
Notes. In each case the Company will pay all accrued and unpaid interest, if
any, on unremarketed Notes to such Interest Rate Adjustment Date. Payment of the
principal amount of unremarketed Notes by the Company or the Liquidity Provider,
as the case may be, and payment of accrued and unpaid interest, if any, by the
Company, shall be made by deposit of

                                       24
<PAGE>   25

same-day funds with the Trustee (or such other account meeting the requirements
of DTC's procedures as in effect from time to time) irrevocably in trust for the
benefit of the Beneficial Owners of Notes subject to Special Mandatory Purchase
by 3:00 p.m., New York City time, on such Interest Rate Adjustment Date.

                  Section 207.  Purchase and Redemption of Notes

                  (a) Special Mandatory Purchase. Subject to certain exceptions,
if by 12:00 o'clock noon, New York City time, on any Interest Rate Adjustment
Date for any Notes, the applicable Remarketing Agent and the applicable Standby
Remarketing Agent(s) have not remarketed all such Notes, the Notes that are
unremarketed are subject to Special Mandatory Purchase. Either the Company or,
subject to the terms and conditions of a Standby Note Purchase Agreement, if
any, which may be in effect on such date, the Liquidity Provider, will deposit
same-day funds in the account of the Trustee (or such other account meeting the
requirements of DTC's procedures as in effect from time to time) irrevocably in
trust for the benefit of the Beneficial Owners of Notes subject to Special
Mandatory Purchase by 3:00 p.m., New York City time, on such Interest Rate
Adjustment Date. Such funds shall be in an amount sufficient to pay the
aggregate purchase price of such unremarketed Notes, equal to 100% of the
principal amount thereof. In the event a Standby Note Purchase Agreement is in
effect but the Liquidity Provider shall fail to advance funds for whatever
reason thereunder, the Company hereby agrees to purchase such unremarketed Notes
on such Interest Rate Adjustment Date. The Company hereby agrees to pay the
accrued interest, if any, on such Notes by depositing sufficient same-day funds
therefor in the account of the Trustee (or such other account meeting the
requirements of DTC's procedures as in effect from time to time) by 3:00 p.m.,
New York City time, on such Interest Rate Adjustment Date.

                  Notes purchased by the Liquidity Provider ("Purchased Notes")
shall bear interest at the rates and be payable on the dates as may be agreed
upon by the Company and the Liquidity Provider, but in no event shall such rate
be more than the Maximum Rate. Upon purchase of any Note by the Liquidity
Provider, all interest accruing thereon from the last date for which interest
was paid shall accrue for the benefit of and be payable to the Liquidity
Provider. Unless an event of default under the Standby Note Purchase Agreement
occurs, the applicable Remarketing Agent shall continue its remarketing efforts
with respect to Purchased Notes until the earlier to occur of a successful
remarketing of such Purchased Notes or the expiration of the Standby Note
Purchase Agreement. In the event the Liquidity Provider holds Purchased Notes on
the date the Standby Note Purchase Agreement expires, the Company will be
required to purchase such Notes on such date at a purchase price equal to the
principal amount thereof plus accrued interest thereon to the purchase date.
Such Notes will remain outstanding and enjoy the benefits of the Original
Indenture, the First Supplemental Indenture (as amended hereby) and this First
Amendment to the First Supplemental Indenture until such time as the Company
delivers certificates for or beneficial interests in the Notes to the Trustee
for cancellation.

                  (b) Optional Redemption While Notes are in the Daily or Weekly
Interest Rate Mode or Commercial Paper Term Mode. Any Notes in the Daily or
Weekly Interest Rate Mode or in the Commercial Paper Term Mode are subject to
redemption at the option of the Company in whole or in part on any Interest Rate
Adjustment Date relating thereto in accordance

                                       25
<PAGE>   26

with the terms and provisions of the Original Indenture, upon 30 days notice to
the holders thereof at a redemption price equal to the aggregate principal
amount of such Notes to be redeemed plus accrued interest thereon to the
redemption date.

                  (c) Redemption While Notes are in the Long Term Rate Mode. Any
Notes in the Long Term Rate Mode are subject to redemption at the option of the
Company at the times and upon the terms specified at the time of conversion to
or within such Long Term Rate Mode and set forth in the Note relating thereto.

                  (d) Redemption While Notes are in the Fixed Interest Rate
Mode. Any Notes in the Fixed Interest Rate Mode will be subject to redemption at
the option of the Company or pursuant to a sinking fund at the times and upon
the terms specified at the time of conversion to such Fixed Interest Rate Mode
and set forth in the Note relating thereto.

                  Section 208.  Form and Other Terms of the Notes.

                  (a) Attached hereto as Exhibit A is a form of Note, which form
is hereby established as the form in which Notes may be issued bearing interest
at the Initial Interest Rate or in the Daily or Weekly Interest Rate Mode, the
Commercial Paper Term Mode, the Long Term Rate Mode or the Fixed Interest Rate
Mode. Annex A to Exhibit A is deemed to be a part of such Note and such Annex
may be changed upon the mutual agreement of the Company and the Trustee to
reflect changes occasioned by remarketings.

                  (b) Attached hereto as Exhibit B is a form of Liquidity
Provider Note, which form is hereby established as a form in which Notes held by
the Liquidity Provider may be issued. The form of Liquidity Provider Note may be
amended to reflect changes occasioned by remarketings upon the mutual agreement
of the Company and the Trustee, but only with the consent of the Administrative
Agent (as defined in such Exhibit B).

                  (c) Subject to (a) and (b) above, any Note may be issued in
such other form as may be provided by, or not inconsistent with, the terms of
the Original Indenture, the First Supplemental Indenture and this First
Amendment to the First Supplemental Indenture.

                                  ARTICLE THREE

                           ADDITIONAL EVENT OF DEFAULT

                  With respect to the Notes, the following will be an additional
Event of Default to follow subsection (8) under Section 601 of the Indenture:

                           (9) default in the performance of the Company's
                  obligation to purchase Notes held by the Liquidity Provider
                  under the terms of the Standby Note Purchase Agreement, if
                  any, and continuance of such default for a period of 60 days
                  after there has been given, by registered or certified mail,
                  to the Company by the Trustee or to the Company and the
                  Trustee by the Holders of at least 25% in principal amount of
                  the Outstanding Securities of that series a written notice

                                       26
<PAGE>   27

                  specifying such default and requiring it to be remedied and
                  stating that such notice is a "Notice of Default" hereunder.

                                  ARTICLE FOUR

                    AUTHENTICATION AND DELIVERY OF THE NOTES

         Section 401. Security. As provided in and pursuant to Article Four of
the Original Indenture, the Notes will be secured as to payments of principal,
interest and premium, if any, by a series of general and refunding mortgage
bonds (the "General and Refunding Mortgage Bonds, 1993 Series H" or the "Bonds")
of the Company to be issued from time to time under and secured by a Mortgage
and Deed of Trust, dated as of October 1, 1924, between the Company and First
Chicago Trust Company of New York, as trustee (as successor to Bankers Trust
Company), as amended and supplemented by various supplemental indentures,
including the supplemental indenture, dated as of June 30, 1993, creating the
General and Refunding Mortgage Bonds, 1993 Series H (collectively, the
"Mortgage"), pledged by the Company for the benefit of the holders of the Notes
to the Trustee under this Indenture.

         Section 402. Authentication and Delivery. As provided in and pursuant
to Section 303 of the Original Indenture, each time that the Company delivers
Notes to the Trustee or Authenticating Agent for authentication, the Company
shall deliver a Supplemental Company Order in the form of Exhibit C to this
Amended First Supplemental Indenture for the authentication and delivery of such
Notes and the Trustee or such Authenticating Agent shall authenticate and
deliver such Notes. Authentication and delivery of any Notes shall be subject to
the Company delivering a Certificate instructing the Trustee or Authenticating
Agent to authenticate and deliver Bonds securing the payment of principal,
interest and premium, if any, in respect of such Notes, and the Trustee or
Authenticating Agent authenticating and delivering such Bonds, all as provided
in or pursuant to the Mortgage. Terms used in the preceding sentence and not
otherwise defined herein shall have the meanings specified in the Mortgage.

                                  ARTICLE FIVE

                            MISCELLANEOUS PROVISIONS

                  The Trustee makes no undertaking or representations in respect
of, and shall not be responsible in any manner whatsoever for and in respect of,
the validity or sufficiency of this First Amendment to the First Supplemental
Indenture or the proper authorization or the due execution hereof by the Company
or for or in respect of the recitals and statements contained herein, all of
which recitals and statements are made solely by the Company.

                  Except as expressly amended hereby, the Original Indenture and
the First Supplemental Indenture shall continue in full force and effect in
accordance with the provisions thereof and the Original Indenture and the First
Supplemental Indenture are in all respects hereby ratified and confirmed. This
First Amendment to the First Supplemental Indenture and all its provisions shall
be deemed a part of the Original Indenture, as supplemented by the First
Supplemental Indenture, in the manner and to the extent herein and therein
provided.

                                       27
<PAGE>   28

                  This First Amendment to the First Supplemental Indenture shall
be governed by, and construed in accordance with, the laws of the State of New
York.

                  This First Amendment to the First Supplemental Indenture may
be executed in any number of counterparts, each of which so executed shall be
deemed to be an original, but all such counterparts shall together constitute
but one and the same instrument.

                                       28
<PAGE>   29

                  IN WITNESS WHEREOF, the parties hereto have caused this First
Amendment to the First Supplemental Indenture to be duly executed, and their
respective corporate seals to be hereunto affixed and attested, all as of the
day and year first above written.

                                  THE DETROIT EDISON COMPANY

                                  By:________________________________
                                     Name:
                                     Title:

ATTEST:

By:________________________

(Corporate Seal)

                                  BANK ONE TRUST COMPANY, NATIONAL
                                   ASSOCIATION,
                                   as Trustee

                                  By:________________________________
                                     Name:
                                     Title:

ATTEST:

By:________________________

(Corporate Seal)

                                       29
<PAGE>   30

STATE OF MICHIGAN )
                  )  :
COUNTY OF WAYNE   )

On the _____ day of ________, 2000, before me personally came
_______________________, to me known, who, being by me duly sworn, did depose
and say that he is _________________ of THE DETROIT EDISON COMPANY, one of the
corporations described in and which executed the foregoing instrument; that he
knows the seal of said corporation; that the seal affixed to said instrument is
such corporate seal; that it was so affixed by authority of the Board of
Directors of said corporation, and he signed his name thereto by like authority.

                                                Notary Public, State of Michigan

[Notarial Seal]

STATE OF ILLINOIS   )
                    )  :
COUNTY OF ________  )

On the ___ day of _______, 2000, before me personally came
_____________________, to me known, who, being by me duly sworn, did depose and
say that he is _________________ of BANK ONE TRUST COMPANY, NATIONAL
ASSOCIATION, one of the corporations described in and which executed the
foregoing instrument; that he knows the seal of said corporation; that the seal
affixed to said instrument is such corporate seal; that it was so affixed by
authority of the Board of Directors of said corporation, and he signed his name
thereto by like authority.

                                                Notary Public, State of Illinois
[Notarial Seal]

                                       30
<PAGE>   31

                                                                      EXHIBIT A
                                  FORM OF NOTE

                                       31
<PAGE>   32

                                                                      EXHIBIT B
                             FORM OF LIQUIDITY NOTE

                                       32
<PAGE>   33

                                                                      EXHIBIT C

                           THE DETROIT EDISON COMPANY

           MULTI-MODE REMARKETED SECURED NOTES 1993 SERIES A DUE 2028
                           SUPPLEMENTAL COMPANY ORDER

                  Pursuant to Article Four of the First Amendment, dated as of
July 17, 2000, to the First Supplemental Indenture, dated as of June 30, 1993,
to Collateral Trust Indenture, dated as of June 30, 1993, as amended, you are
instructed to prepare and authenticate a Note, of the series identified above,
in the principal amount of $____________. The Note is being delivered in
exchange for issued and outstanding Notes of the series identified above.

                  IN WITNESS WHEREOF, I have hereunto set my hand this _____
day of ___________, ____.

                                                      __________________________
                                                      [            ]
                                                      Assistant Treasurer
                                                      The Detroit Edison Company

                                       33
<PAGE>   34

                     [The Detroit Edison Company Letterhead]

                  CONVERSION AND FLOATING INTEREST RATE NOTICE

                                                                  July 12, 2000

To:      Lehman Brothers Inc.
         3 World Financial Center
         New York, New York 10285

         Bank One Trust Company, National Association
         1 Bank One Plaza, Suite IL1-0126
         Chicago, IL 60670-0126
         Attention:  Global Corporate Trust Services

            Re: The Detroit Edison Company (the "Company") Multi-Mode
          Remarketed Secured Notes 1993 Series A Due 2028 (the "Notes")

Ladies and Gentlemen:

                  You are hereby notified that the $50,000,000 principal amount
of the Notes subject to remarketing by Lehman Brothers Inc. (CUSIP: 250847CB4)
will be converted on July 17, 2000 (the "Conversion Date") to the Long Term Rate
Mode for a Long Term Rate Period (the "Interest Rate Period") commencing on July
17, 2000 and ending on July 16, 2002 (the date immediately preceding the next
succeeding Interest Rate Adjustment Date) and will be subject to mandatory
tender by the beneficial owners thereof on such Interest Rate Adjustment Date.
The beneficial owners of such Notes will be deemed to have tendered such Notes
as of the applicable Conversion Date and will not be entitled to further accrual
of interest on such Notes after such date. Capitalized terms used and not
otherwise defined herein shall have the respective meanings assigned to them in
the Notes.

                  The Notes will be subject to redemption during the upcoming
Interest Rate Period upon the terms specified below.

                  Each of Bank One Trust Company, National Association and
Lehman Brothers Inc. hereby waives the notice period specified for this notice
in the Indenture relating to the Notes.

                  Bank One Trust Company, National Association, agrees, on
behalf of the Company, to provide such notice to The Depository Trust Company as
it may require.

                  We hereby notify you that the above-referenced Notes will bear
the following floating rate terms during the Interest Rate Period specified
above:

                                       34
<PAGE>   35

         1.       The Interest Rate Basis(es) shall be:

                  [ ]      CD Rate, where the Index Maturity will be
                           _______________;

                  [ ]      CMT Rate, where the Designated CMT Maturity Index
                           will be ______________, and the Designated CMT
                           Telerate Page will be _______________;

                  [ ]      Federal Funds Rate;

                  [ ]      LIBOR Reuters, where the Index Currency will be
                           __________, and the Designated LIBOR Page will be
                           ____________;

                  [X]      LIBOR Telerate, where the Index Currency will be US
                           Dollars, the Designated LIBOR Page will be 3750 and
                           Index Maturity will be 3 months;

                  [ ]      Prime Rate;

                  [ ]      Treasury Rate ____________.

         2.       The floating interest rate will be reset as follows:

                  [X]      Initial Interest Reset Date will be July 17, 2000;

                  [X]      Interest Reset Dates will be each January 17, April
                           17, July 17 and October 17;

                  [X]      Interest Reset Period will be 3 months.

         3.       The interest will be paid as follows:

                  [X]      Interest Payment Dates will be January 17, April 17,
                           July 17 and October 17 of each year, commencing
                           October 17, 2000;

                  [X]      Interest Payment Period will be 3 months;

                  [X]      Index Maturity will be 3 months;

                  [ ]      Floating Rate Maximum Interest Rate will be
                           _____________;

                  [ ]      Floating Rate Minimum Interest Rate will be
                           ______________.

         4.       Day Count Convention:

                  [X]      Actual/360;

                                       35
<PAGE>   36

                  [ ]      Actual/Actual _____________;

                  [ ]      30/360.

                  Applicable Interest Rate Basis:

         5.       Other terms:

                  a.       Optional Redemption: The Notes are subject to
                           redemption, as a whole or in part, at a redemption
                           price equal to 100% of the principal amount thereof
                           at the option of the Company on January 17, 2001 and
                           the 17th of each month thereafter (or if such date is
                           not a Business Day, the next succeeding Business
                           Day), upon not less than 30 days notice as provided
                           in the Indenture.

                  b.       Maximum Rate: The interest rate on the Notes may not
                           exceed the Maximum Rate specified in the Indenture.

         Each beneficial owner of the Notes will be deemed to have tendered such
Notes as of the Interest Rate Adjustment Date and will not be entitled to
further accrual of interest after the Interest Rate Adjustment Date.

                                       36
<PAGE>   37

                                 THE DETROIT EDISON COMPANY

                                 By: ______________________
                                     Name:
                                     Title:

Confirmed and acknowledged by:

BANK ONE TRUST COMPANY, NATIONAL ASSOCIATION

By: _________________________
Name:
Title:

LEHMAN BROTHERS INC.

By: _________________________
Name:
Title:

                                       37

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