Document:

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                                                                Exhibit 10.108.3
                                                           EXECUTION COUNTERPART

                                 AMENDMENT THREE

         AMENDMENT THREE (this "AMENDMENT") dated as of August 17, 2000 by and
among EDISON MISSION MIDWEST HOLDINGS CO. (the "BORROWER"), THE CHASE
MANHATTAN BANK as Administrative Agent (in such capacity, the "ADMINISTRATIVE
AGENT") and each of certain commercial lending institutions party hereto.

         WHEREAS, the Borrower, the Administrative Agent and certain
commercial lending institutions party thereto (the "LENDERS") entered into a
Credit Agreement dated as of December 15, 1999 (as heretofore amended,
modified and supplemented, the "CREDIT AGREEMENT");

         WHEREAS, the Borrower desires to enter into the Powerton/Joliet Lease
Transaction;

         WHEREAS, the Lenders are willing to permit the Borrower to enter into
the Powerton/Joliet Lease Transaction on the terms and conditions of this
Amendment;

         WHEREAS, Midwest and ComEd have entered into Amendment No. 1 To The
Power Purchase Agreement dated as of December 15, 1999 attached as Exhibit C,
(the "AMENDMENT NO.1 TO THE COLLINS PPA") in order to provide gas price
protection to Midwest and an adjustment to the maximum power purchase
requirement of ComEd in connection with Midwest's sale of energy from the
Collins Facility;

         WHEREAS, the consent of the Lenders is a condition to the execution
and delivery of the Amendment No. 1 to the Collins PPA, the Borrower has
requested and the Lenders party hereto consent to Midwest's execution and
delivery of the Amendment No.1 to the Collins PPA;

         ACCORDINGLY, the parties hereto agree as follows:

         Section 1. DEFINITIONS. Except as otherwise defined in this
Amendment, terms defined in the Credit Agreement are used herein (and in the
introductions and recitals hereto) as defined therein.

         Section 2. AMENDMENT TO THE CREDIT AGREEMENT. Subject to the
satisfaction of the conditions precedents specified in Section 5 below, but
effective as of the Amendment Effective Date, the Credit Agreement shall be
amended as follows:

         (a) SECTION 1.1 of the Credit Agreement shall be amended by adding
the following definitions:

                 ""ComEd JOLIET LEASE CONSENT I" means the Consent to Sale of
         Assets between Midwest, ComEd and Joliet Trust I referred to in the
         Joliet Lease Operative Documents.

                 "ComEd JOLIET LEASE CONSENT II" means the Consent to Sale of
         Assets between Midwest, ComEd and Joliet Trust II referred to in the
         Joliet Lease Operative Documents.

                 "ComEd POWERTON LEASE CONSENT I" means the Consent to Sale of
         Assets between Midwest, ComEd and Powerton Trust I referred to in the
         Powerton Lease Operative Documents.

                 "ComEd POWERTON LEASE CONSENT II" means the Consent to Sale
         of Assets between Midwest, ComEd and Powerton Trust II referred to in
         the Powerton Lease Operative Documents.

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                                        -2-

        "ComEd POWERTON/JOLIET LEASE CONSENTS" means, collectively, ComEd
Joliet Lease Consent I, ComEd Joliet Lease Consent II, ComEd Powerton Lease
Consent I and ComEd Powerton Lease Consent II.

         "JOLIET EQUITY FINANCING PARTIES I" means, collectively, the Equity
Investor, the Owner Participant and the OP Guarantor (each as defined in the
Joliet Lease Participation Agreement (T1)).

         "JOLIET EQUITY FINANCING PARTIES II" means, collectively, the Equity
Investor, the Owner Participant and the OP Guarantor (each as defined in the
Joliet Lease Participation Agreement (T2)).

         "JOLIET FACILITY" means the Joliet Station, Units 7 and 8, 1044
megawatts of the 1358 megawatt coal-fired electric generating facility and
certain related assets located in Will County, Illinois and more fully
described in Exhibit B to each of Joliet Leases.

         "JOLIET GUARANTEE (T1)" means the Guaranty Agreement dated as of
August 17, 2000 made by Edison Mission Energy in favor of Joliet Trust I that,
among other things, guarantees the payment by Midwest of all Joliet Lease
Liabilities (T1) payable to Joliet Trust I.

         "JOLIET GUARANTEE (T2)" means the Guaranty Agreement dated as of
August 17, 2000 made by Edison Mission Energy in favor of Joliet Trust II
that, among other things, guarantees the payment by Midwest of all Joliet
Lease Liabilities (T2) payable to Joliet Trust II.

         "JOLIET GUARANTEE (T1: EQUITY FINANCING PARTIES)" means the Guaranty
Agreement dated as of August 17, 2000 made by Edison Mission Energy in favor
of the Joliet Equity Financing Parties I that, among other things, guarantees
the payment by Midwest of certain Joliet Lease Liabilities (T2) payable to
Joliet Equity Financing Parties I.

         "JOLIET GUARANTEE (T2: EQUITY FINANCING PARTIES)" means the Guaranty
Agreement dated as of August 17, 2000 made by Edison Mission Energy in favor
of the Joliet Equity Financing Parties II that, among other things, guarantees
the payment by Midwest of certain Joliet Lease Liabilities (T2) payable to
Joliet Equity Financing Parties II.

         "JOLIET GUARANTEES" means, collectively, the Joliet Guarantee (T1),
the Joliet Guarantee (T2), the Joliet Guarantee (T1: Equity Financing
Parties), the Joliet Guarantee (T2: Equity Financing Parties), the Joliet
Reimbursement Agreement (T1) and the Joliet Reimbursement Agreement (T2).

         "JOLIET INTERCOMPANY NOTE PLEDGE AGREEMENT (T1)" means the Pledge
Agreement (T1) dated as of August 17, 2000 between Midwest and the Holdings
Collateral Agent relating to the pledge of the Joliet Lease Intercompany Note
(T1).

         "JOLIET INTERCOMPANY NOTE PLEDGE AGREEMENT (T2)" means the Pledge
Agreement (T2) dated as of August 17, 2000 between Midwest and the Holdings
Collateral Agent relating to the pledge of the Joliet Lease Intercompany Note
(T2).

         "JOLIET LEASE (T1)" means the Facility Lease Agreement (T1) dated as
of August 17, 2000 between Midwest and Joliet Trust I.

         "JOLIET LEASE (T2)" means the Facility Lease Agreement (T2) dated as
of August 17, 2000 between Midwest and Joliet Trust II.

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         "JOLIET LEASE INTERCOMPANY NOTE (T1)" means the EME Note (as defined
in the Joliet Lease Participation Agreement (T1)) dated the Closing Date (as
defined in the Joliet Lease Participation Agreement (T1)) evidencing the loan
by Midwest to Edison Mission Energy of the proceeds of the Joliet Lease
Transaction (T1).

         "JOLIET LEASE INTERCOMPANY NOTE (T2)" means the EME Note (as defined
in the Joliet Lease Participation Agreement (T2)) dated the Closing Date (as
defined in the Joliet Lease Participation Agreement (T2)) evidencing the loan
by Midwest to Edison Mission Energy of the proceeds of the Joliet Lease
Transaction (T2).

         "JOLIET LEASE INTERCOMPANY NOTES" means, collectively, the Joliet
Lease Intercompany Note (T1) and the Joliet Intercompany Note (T2).

         "JOLIET LEASE LIABILITIES" means, collectively, the Joliet Lease
Liabilities (T1) and the Joliet Lease Liabilities (T2).

         "JOLIET LEASE LIABILITIES (T1)" mean the basic rent, the supplemental
rent, termination value or any other amount, liability or obligation that
Midwest is obligated to pay under the Joliet Lease (T1) or the other Joliet
Lease Operative Documents (T1).

         "JOLIET LEASE LIABILITIES (T2)" mean the basic rent, the supplemental
rent, termination value or any other amount, liability or obligation that
Midwest is obligated to pay under the Joliet Leases (T2) or the other Joliet
Lease Operative Documents (T2).

         "JOLIET LEASE OPERATIVE DOCUMENTS" means, collectively, the Joliet
Lease Operative Documents (T1) and the Joliet Lease Operative Documents (T2).

         "JOLIET LEASE OPERATIVE DOCUMENTS (T1)" means, collectively, the
Operative Documents as defined in the Joliet Lease Participation Agreement
(T1).

         "JOLIET LEASE OPERATIVE DOCUMENTS (T2)" means, collectively, the
Operative Documents as defined in the Joliet Lease Participation Agreement
(T2).

         "JOLIET LEASE PARTICIPATION AGREEMENT (T1)" means the Participation
Agreement (T1) dated as of August 17, 2000 by and among Midwest, Edison
Mission Energy, Joliet Trust I, Wilmington Trust Company, Joliet Generation I,
the Lease Indenture Trustee named therein and the Pass Through Trustees named
therein.

         "JOLIET LEASE PARTICIPATION AGREEMENT (T2)" means the Participation
Agreement (T2) dated as of August 17, 2000 by and among Midwest, Edison
Mission Energy, Joliet Trust II, Wilmington Trust Company, Joliet Generation
II, the Lease Indenture Trustee named therein and the Pass Through Trustees
named therein.

         "JOLIET LEASE PARTICIPATION AGREEMENTS" means, collectively, the
Joliet Lease Participation Agreement (T1) and the Joliet Lease Participation
Agreement (T2).

         "JOLIET LEASE TRANSACTION (T1)" means the transactions pursuant to
the Joliet Lease Participation Agreement (T1) and the Joliet Lease Operative
Documents (T1) whereby Midwest sells a 63.6% undivided interest in the Joliet
Facility to Joliet Trust I and Joliet Trust I leases such undivided interest
to Midwest pursuant to the Joliet Lease (T1).

         "JOLIET LEASE TRANSACTION (T2)" means the transactions pursuant to
the Joliet Lease Participation Agreement (T2) and the Joliet Lease Operative
Documents (T2) whereby Midwest sells a 36.4% undivided interest in the Joliet
Facility to Joliet Trust II and Joliet Trust II leases such undivided interest
to Midwest pursuant to the Joliet Lease (T2).

         "JOLIET LEASE TRANSACTION" means, collectively, the Joliet Least
Transaction (T1) and the Joliet Lease Transaction (T2).

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         "JOLIET LEASE TRUSTS" means, collectively, Joliet Trust I and Joliet
Trust II.

         "JOLIET LEASES" means, collectively, the Joliet Lease (T1) and Joliet
Lease (T2).

         "JOLIET REIMBURSEMENT AGREEMENT (T1)" means the Reimbursement
Agreement (T1) dated as of August 17, 2000 between Edison Mission Energy and
Midwest.

         "JOLIET REIMBURSEMENT AGREEMENT (T2)" means the Reimbursement
Agreement (T2) dated as of August 17, 2000 between Edison Mission Energy and
Midwest.

         "JOLIET SUBORDINATION AGREEMENT (T1)" means the Subordination
Agreement dated as of August 17, 2000 between Joliet Trust I, the Owner
Participant (as defined in the Joliet Participation Agreement (T1)), the Lease
Indenture Trustee (as defined in the Joliet Participation Agreement (T1)) and
the Holdings Collateral Agent.

         "JOLIET SUBORDINATION AGREEMENT (T2)" means the Subordination
Agreement dated as of August 17, 2000 between Joliet Trust II, the Owner
Participant (as defined in the Joliet Participation Agreement (T2)), the Lease
Indenture Trustee (as defined in the Joliet Participation Agreement (T2)) and
the Holdings Collateral Agent.

         "JOLIET TRUST I" means Joliet Trust I, a Delaware business trust.

         "JOLIET TRUST II" means Joliet Trust II, a Delaware business trust.

         "POWERTON EQUITY FINANCING PARTIES I" means, collectively, the Equity
Investor, the Owner Participant and the OP Guarantor (each as defined in the
Powerton Lease Participation Agreement (T1)).

         "POWERTON EQUITY FINANCING PARTIES II" means, collectively, the
Equity Investor, the Owner Participant and the OP Guarantor (each as defined
in the Powerton Lease Participation Agreement (T2)).

         "POWERTON FACILITY" means the Powerton Station, 1,538 Megawatt Coal
Fired Electric Generating Plant and certain related assets located in Tazewell
County, Illinois and more fully described in Exhibit B to each of Powerton
Leases.

         "POWERTON GUARANTEE (T1)" means the Guaranty Agreement dated as of
August 17, 2000 made by Edison Mission Energy in favor of Powerton Trust I
that, among other things, guarantees the payment by Midwest of all Powerton
Lease Liabilities (T1) payable to Powerton Trust I.

         "POWERTON GUARANTEE (T2)" means the Guaranty Agreement dated as of
August 17, 2000 made by Edison Mission Energy in favor of Powerton Trust II
that, among other things, guarantees the payment by Midwest of all Powerton
Lease Liabilities (T2) payable to Powerton Trust II.

         "POWERTON GUARANTEE (T1: EQUITY FINANCING PARTIES)" means the
Guaranty Agreement dated as of August 17, 2000 made by Edison Mission Energy
in favor of the Powerton Equity Financing Parties I that, among other things,
guarantees the payment by Midwest of certain Powerton Lease Liabilities (T2)
payable to Powerton Equity Financing Parties I.

         "POWERTON GUARANTEE (T2: EQUITY FINANCING PARTIES)" means the
Guaranty Agreement dated as of August 17, 2000 made by Edison Mission Energy
in favor of the Powerton Equity Financing Parties II that, among other things,
guarantees the payment by Midwest of certain Powerton Lease Liabilities (T2)
payable to Powerton Equity Financing Parties II.

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                                        -5-

         "POWERTON GUARANTEES" means, collectively, the Powerton Guarantee
(T1), the Powerton Guarantee (T2), the Powerton Guarantee (T1: Equity
Financing Parties), the Powerton Guarantee (T2: Equity Financing Parties), the
Powerton Reimbursement Agreement (T1) and the Powerton Reimbursement Agreement
(T2).

         "POWERTON INTERCOMPANY NOTE PLEDGE AGREEMENT (T1)" means the Pledge
Agreement (T1) dated as of August 17, 2000 among Midwest and the Holdings
Collateral Agent relating to the pledge of the Powerton Lease Intercompany
Note (T1).

         "POWERTON INTERCOMPANY NOTE PLEDGE AGREEMENT (T2)" means the Pledge
Agreement (T2) dated as of August 17, 2000 among Midwest and the Holdings
Collateral Agent relating to the pledge of the Powerton Lease Intercompany
Note (T2) .

         "POWERTON LEASE (T1)" means the Facility Lease Agreement (T1) dated
as of August 17, 2000 between Midwest and Powerton Trust I.

         "POWERTON LEASE (T2)" means the Facility Lease Agreement (T2) dated
as of August 17, 2000 between Midwest and Powerton Trust II.

         "POWERTON LEASE INTERCOMPANY NOTE (T1)" means the EME Note (as
defined in the Powerton Lease Participation Agreement (T1)) dated the Closing
Date (as defined in the Powerton Lease Participation Agreement (T1))
evidencing the loan by Midwest to Edison Mission Energy of the proceeds of the
Powerton Lease Transaction (T1).

         "POWERTON LEASE INTERCOMPANY NOTE (T2)" means the EME Note (as
defined in the Powerton Lease Participation Agreement (T2)) dated the Closing
Date (as defined in the Powerton Lease Participation Agreement (T2))
evidencing the loan by Midwest to Edison Mission Energy of the proceeds of the
Powerton Lease Transaction (T2).

         "POWERTON LEASE INTERCOMPANY NOTES" means, collectively, the Powerton
Lease Intercompany Note (T1) and the Powerton Intercompany Note (T2).

         "POWERTON LEASE LIABILITIES" means, collectively, the Powerton Lease
Liabilities (T1) and the Powerton Lease Liabilities (T2).

         "POWERTON LEASE LIABILITIES (T1)" mean the basic rent, the
supplemental rent, termination value or any other amount, liability or
obligation that Midwest is obligated to pay under the Powerton Lease (T1) or
the other Powerton Lease Operative Documents (T1).

         "POWERTON LEASE LIABILITIES (T2)" mean the basic rent, the
supplemental rent, termination value or any other amount, liability or
obligation that Midwest is obligated to pay under the Powerton Leases (T2) or
the other Powerton Lease Operative Documents (T2).

         "POWERTON LEASE OPERATIVE DOCUMENTS" means, collectively, the
Powerton Lease Operative Documents (T1) and the Powerton Lease Operative
Documents (T2).

         "POWERTON LEASE OPERATIVE DOCUMENTS (T1)" means, collectively, the
Operative Documents as defined in the Powerton Lease Participation Agreement
(T1).

         "POWERTON LEASE OPERATIVE DOCUMENTS (T2)" means, collectively, the
Operative Documents as defined in the Powerton Lease Participation Agreement
(T2).

         "POWERTON LEASE PARTICIPATION AGREEMENT (T1)" means the Participation
Agreement (T1) dated as of August 17, 2000 by and among Midwest, Edison
Mission

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                                        -6-

Energy, Powerton Trust I, Wilmington Trust Company, Powerton Generation I, the
Lease Indenture Trustee named therein and the Pass Through Trustees named
therein.

         "POWERTON LEASE PARTICIPATION AGREEMENT (T2)" means the Participation
Agreement (T2) dated as of August 17, 2000 by and among Midwest, Edison Mission
Energy, Powerton Trust II, Wilmington Trust Company, Powerton Generation II, the
Lease Indenture Trustee named therein and the Pass Through Trustees named
therein.

         "POWERTON LEASE PARTICIPATION AGREEMENTS" means, collectively, the
Powerton Lease Participation Agreement (T1) and the Powerton Lease Participation
Agreement (T2).

        "POWERTON LEASE TRANSACTION (T1)" means the transactions pursuant to
the Powerton Lease Participation Agreement (T1) and the Powerton Lease
Operative Documents (T1) whereby Midwest sells a 63.6% undivided interest in
the Powerton Facility to Powerton Trust I and Powerton Trust I leases such
undivided interest to Midwest pursuant to the Powerton Lease (T1).

        "POWERTON LEASE TRANSACTION (T2)" means the transactions pursuant to
the Powerton Lease Participation Agreement (T2) and the Powerton Lease
Operative Documents (T2) whereby Midwest sells a 36.4% undivided interest in
the Powerton Facility to Powerton Trust II and Powerton Trust II leases such
undivided interest to Midwest pursuant to the Powerton Lease (T2).

        "POWERTON LEASE TRANSACTION" means, collectively, the Powerton Least
Transaction (T1) and the Powerton Lease Transaction (T2).

        "POWERTON LEASE TRUSTS" means, collectively, Powerton Trust I and
Powerton Trust II.

        "POWERTON LEASES" means, collectively, the Powerton Lease (T1) and
Powerton Lease (T2).

        "POWERTON REIMBURSEMENT AGREEMENT (T1)" means the Reimbursement
Agreement (T1) dated as of August 17, 2000 between Edison Mission Energy and
Midwest.

        "POWERTON REIMBURSEMENT AGREEMENT (T2)" means the Reimbursement
Agreement (T2) dated as of August 17, 2000 between Edison Mission Energy and
Midwest.

        "POWERTON SUBORDINATION AGREEMENT (T1)" means the Subordination
Agreement dated as of August 17, 2000 between Powerton Trust I, the Owner
Participant (as defined in the Powerton Participation Agreement (T1)), the
Lease Indenture Trustee (as defined in the Powerton Participation Agreement
(T1)) and the Holdings Collateral Agent.

        "POWERTON SUBORDINATION AGREEMENT (T2)" means the Subordination
Agreement dated as of August 17, 2000 between Powerton Trust II, the Owner
Participant (as defined in the Powerton Participation Agreement (T2)), the
Lease Indenture Trustee (as defined in the Powerton Participation Agreement
(T2)) and the Holdings Collateral Agent.

        "POWERTON TRUST I" means Powerton Trust I, a Delaware business trust.

        "POWERTON TRUST II" means Powerton Trust II, a Delaware business trust.

        "POWERTON/JOLIET INTERCOMPANY NOTE PLEDGE AGREEMENTS" means,
collectively, the Powerton Intercompany Note Pledge Agreement (T1), the
Powerton

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                                        -7-

           Intercompany Note Pledge Agreement (T2), the Joliet Intercompany
           Note Pledge Agreement (T1) and the Joliet Intercompany Note Pledge
           Agreement (T2).

                                "POWERTON/JOLIET LEASE ASSETS" means,
           collectively, the Powerton Facility and the Joliet Facility.

                               "POWERTON/JOLIET LEASE GUARANTEES" means,
           collectively, the Powerton Guarantees and the Joliet Guarantees.

                               "POWERTON/JOLIET LEASE INTERCOMPANY NOTES" means,
           collectively, the Powerton Lease Intercompany Notes and the Joliet
           Lease Intercompany Notes.

                               "POWERTON/JOLIET LEASE INTERCOMPANY NOTE
           PAYMENTS" mean the payments by Edison Mission Energy to Midwest under
           or in respect of the Powerton/Joliet Lease Intercompany Notes.

                               "POWERTON/JOLIET LEASE LIABILITIES" means,
           collectively, the Powerton Lease Liabilities and the Joliet Lease
           Liabilities.

                               "POWERTON/JOLIET LEASE OPERATIVE DOCUMENTS"
           means, collectively, the Powerton Lease Operative Documents and the
           Joliet Lease Operative Documents.

                               "POWERTON/JOLIET LEASE PARTICIPATION AGREEMENTS"
           means, collectively, the Powerton Lease Participation Agreement (T1),
           Powerton Lease Participation Agreement (T2), Joliet Lease
           Participation Agreement (T1) and Joliet Lease Participation Agreement
           (T2).

                               "POWERTON/JOLIET LEASE TRANSACTION" means,
           collectively, the Powerton Lease Transaction and the Joliet Lease
           Transaction.

                               "POWERTON/JOLIET LEASES" means, collectively,
           Powerton Leases and Joliet Leases.

                               "POWERTON/JOLIET SUBORDINATION AGREEMENTS" means,
           collectively, the Powerton Subordination Agreement (T1), the Powerton
           Subordination Agreement (T2), the Joliet Subordination Agreement (T1)
           and the Joliet Subordination Agreement (T2).

                               "POWERTON/JOLIET LEASE TRUSTS" means,
           collectively, the Powerton Lease Trusts and the Joliet Lease
           Trusts.".

         (b) SECTION 1.1 of the Credit Agreement shall be further amended by
deleting the definitions of "CASHFLOW AVAILABLE FOR FIXED CHARGES", "DEBT TO
CAPITAL RATIO", "FIXED CHARGES", "OPERATING EXPENSES" and "SECURITY DOCUMENTS"
in their entirety and replacing them with the following definitions:

                               ""CASHFLOW AVAILABLE FOR FIXED CHARGES" means, in
           respect of any period, the excess, if any, of Revenues (excluding,
           without duplication, (i) proceeds of any permitted asset sale, (ii)
           amounts available in the Cashflow Recapture Fund, (iii) Synthetic
           Lease Intercompany Note Payments and (iv) Powerton/Joliet
           Intercompany Note Payments) during such period OVER Operating
           Expenses during such period.

                               "DEBT TO CAPITAL RATIO" means, with respect to
           the Borrower and its Consolidated Subsidiaries, the ratio as of the
           end of the last Fiscal Quarter for which financial statements
           referred to in SECTION 8.1.1 are available of (i) the aggregate
           principal amount of Indebtedness of the Borrower and its Consolidated
           Subsidiaries (other than Indebtedness of the Borrower incurred
           pursuant to SECTION 8.2.1(a)(iii), SECTION 8.2.1(a)(iv) and SECTION
           8.2.1(i)) then outstanding to (ii) Total Capitalization (excluding,
           to the extent included, the Synthetic Lease Intercompany Note,
           payments by Edison Mission Energy pursuant to the Synthetic Lease
           Guarantee, the Powerton/Joliet

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                                        -8-

           Intercompany Notes and payments by Edison Mission Energy pursuant
           to the Powerton/Joliet Guarantees).

                               "FIXED CHARGES" means, in respect of any period,
           an amount equal to the aggregate of, without duplication, (i) all
           interest due and payable on the Loans PLUS or MINUS any net amount
           due and payable in respect of Interest Rate Hedging Transactions
           during such period, including (A) all capitalized interest and (B)
           the interest portion of any deferred payment obligation, (ii) amounts
           due and payable under SECTIONS 3.3.1 and 3.3.2 during such period,
           (iii) amounts due and payable to the Lenders with respect to the
           deduction of withholding tax on such payments pursuant to SECTION 4.7
           during such period, (iv) the interest portion of any deferred payment
           obligation due and payable during such period, (v) the aggregate
           amount of the Lease Obligations due and payable during such period,
           and (vi) all other amounts due and payable by the Loan Parties with
           respect to Indebtedness (other than Designated Lease Liabilities,
           Synthetic Lease Liabilities and Powerton/Joliet Lease Liabilities)
           permitted under SECTION 8.2.1 during such period.

                               "OPERATING EXPENSES" means, in respect of any
           period, all cash amounts paid by the Loan Parties in the conduct of
           their business during such period, including premiums for insurance
           policies, fuel supply and transportation costs, utilities, costs of
           maintaining, renewing and amending Governmental Approvals, franchise,
           licensing, property, real estate and income taxes, sales and excise
           taxes, general and administrative expenses, employee salaries, wages
           and other employment-related costs, business management and
           administrative services fees, fees for letters of credit, surety
           bonds and performance bonds, Necessary Capital Expenditures and all
           other fees and expenses necessary for the continued operation and
           maintenance of the Generating Assets and the conduct of the business
           of the Loan Parties. Operating Expenses shall exclude (to the extent
           included) Lease Obligations, Synthetic Lease Liabilities (other than
           payments of Synthetic Lease Environmental Indemnity Obligations) and
           Powerton/Joliet Lease Liabilities and shall include (to the extent
           excluded) Designated Lease Liabilities (other than Lease
           Obligations).

                               "SECURITY DOCUMENTS" means (i) the Intercreditor
           Agreement, (ii) the Midwest Guarantee, (iii) each Pledge Agreement,
           (iv) the Powerton/Joliet Intercompany Note Pledge Agreements, (v) the
           Powerton/Joliet Subordination Agreements and (vi) any other agreement
           or instrument hereafter entered into by the Borrower or any other
           Person which, directly or indirectly, guarantees or secures payment
           of the indebtedness evidenced by the Notes or payment or performance
           of any other Obligation.".

                     (c) SECTION 8.1 of the Credit Agreement shall be amended
by adding SECTION 8.1.13 as follows:

         "Section 8.1.13. POWERTON/JOLIET INTERCOMPANY NOTES. As soon as
possible after the end of each Fiscal Quarter, the Borrower shall provide to
the Administrative Agent an Officer's Certificate stating the outstanding
principal amounts of each of the Powerton/Joliet Intercompany Notes and a
statement of transactions reconciling such amounts to the previous Fiscal
Quarter end.".

         (d) SECTION 8.2.1 of the Credit Agreement shall be amended by
deleting SECTION 8.2.1(a) of the Credit Agreement and replacing it in its
entirety with the following:

                     "(a)(i) Capitalized Lease Liabilities and Operating Lease
                     Liabilities outstanding (or anticipated to be outstanding)
                     on the Effective Date and set forth on

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                                        -9-

                     SCHEDULE 8.2.1(a), (ii) Capitalized Lease Liabilities and
                     Operating Lease Liabilities entered into after the
                     Effective Date in the ordinary course of business not to
                     exceed at any time an aggregate principal amount equal to
                     $50,000,000, (iii) Synthetic Lease Liabilities and (iv)
                     Powerton/Joliet Lease Liabilities;".

         (e) SECTION 8.2.2 of the Credit Agreement shall be amended by
deleting SECTION 8.2.2(m) of the Credit Agreement and replacing it in its
entirety with the following:

                     "(m) Liens created pursuant to the Synthetic Lease Basic
           Documents, Powerton/Joliet Lease Operative Documents and the
           Powerton/Joliet Intercompany Note Pledge Agreement.".

         (f) SECTION 8.2.4 of the Credit Agreement shall be amended by
deleting SECTION 8.2.4(iv) and SECTION 8.2.4(v) of the Credit Agreement and
replacing them in their entirety with the following subsections:

                     "(iv) transfer certain railcars or rights to railcars as
                     part of the Transco Transaction, (v) sell the Synthetic
                     Lease Assets to Synthetic Lease Trust pursuant to the
                     Synthetic Lease Basic Documents and (vi) sell the
                     Powerton/Joliet Assets and lease the associated Ground
                     Interests (as defined in the Powerton/Joliet Operative
                     Documents) to the Powerton/Joliet Lease Trusts pursuant to
                     the Powerton/Joliet Lease Operative Documents; PROVIDED,
                     FURTHER, that any Asset Disposition pursuant to CLAUSES
                     (i), (ii), (iii), (iv), (v) and (vi) of this proviso shall
                     not be included in the calculation of the aggregate net
                     book value of assets sold pursuant to this SECTION 8.2.4.".

         (g) SECTION 8.2.5 of the Credit Agreement shall be amended by
deleting SECTION 8.2.5(e) of the Credit Agreement and replacing it in its
entirety with the following:

                     "(e) Investments evidenced by the Synthetic Lease
           Intercompany Note and the Powerton/Joliet Lease Intercompany Notes.".

         (h) SECTION 8.2.6(a) of the Credit Agreement shall be amended by
deleting the last sentence and replacing it with the following sentence:

                     "Notwithstanding the foregoing, the Synthetic Lease
           Transaction, the transactions contemplated by the Synthetic Lease
           Basic Documents, the Powerton/Joliet Lease Transaction and the
           transactions contemplated by the Powerton/Joliet Lease Operative
           Documents shall be deemed not to be a Transaction with an Affiliate
           for the purposes of this SECTION 8.2.6.".

         (i) SECTION 8.2.7 of the Credit Agreement shall be amended by
deleting the last sentence and replacing it with the following sentence:

                     "Notwithstanding the foregoing, so long as no Default,
                     Event of Default or Maturity Event shall have occurred and
                     be continuing, the Borrower or any other Loan Party may
                     make a Restricted Payment to Edison Mission Energy on or
                     within 30 days after the date (A) any Powerton/Joliet Lease
                     Intercompany Note Payment is received by Midwest in an
                     amount not exceeding such Powerton/Joliet Lease
                     Intercompany Note Payment (to the extent that the same was
                     not included in any Restricted Payment theretofore made in
                     accordance with this Section 8.2.7 or used to pay
                     Powerton/Joliet Lease Liabilities) and (B) any Synthetic
                     Lease Intercompany Note Payment is received by Midwest in
                     an amount not exceeding such Synthetic Lease Intercompany
                     Note Payment (to the extent that the same was not included
                     in any Restricted Payment theretofore made in accordance
                     with this Section 8.2.7); PROVIDED that, in the event that
                     Midwest pays Incremental
<PAGE>

                                        -10-

                     Synthetic Lease Environmental Indemnity Payments, the
                     aggregate amount of Restricted Payments payable in
                     accordance with this sentence (but not otherwise in
                     accordance with this Section 8.2.7) shall be reduced by
                     a like amount.".

         (j) SECTION 8.2 of the Credit Agreement shall be amended by adding
SECTION 8.2.13 to the Credit Agreement as follows:

                     "Section 8.2.13 POWERTON/JOLIET LEASE OPERATIVE DOCUMENTS.
           The Borrower shall not, and shall not permit any other Loan Party to
           agree or consent to any termination, amendment, modification or
           waiver of (a) Section 18.19 of each of the Powerton/Joliet Lease
           Participation Agreements, (b) the definition of "Free Cashflow" set
           forth in the Powerton/Joliet Operative Documents, (c) the
           Powerton/Joliet Lease Intercompany Notes, or (d) or any other
           provision of the Powerton/Joliet Lease Operative Documents that
           increases or is reasonably likely to increase the liability, or the
           obligations, of Midwest (or decreases or is reasonably likely to
           decrease the liability, or the obligations, of Edison Mission Energy)
           with respect to the Powerton/Joliet Lease Operative Documents in any
           material respect.".

         (k) SECTION 9.1.5 of the Credit Agreement shall be amended by
deleting the following parenthetical, "(OTHER THAN Indebtedness described in
SECTION 9.1.1 and Synthetic Lease Liabilities)" on the third line of Section
9.1.5 of the Credit Agreement and replacing it with the following
parenthetical:

                     "(OTHER THAN Indebtedness described in SECTION 9.1.1,
                     Synthetic Lease Liabilities and Powerton/Joliet Lease
                     Liabilities)".

         (l) SECTION 9.1 of the Credit Agreement shall be amended by adding
SECTION 9.1.14, SECTION 9.1.15 and SECTION 9.1.16 to the Credit Agreement as
follows:

                     "Section 9.1.14 POWERTON/JOLIET LEASES. Any of the
           Powerton/Joliet Lease Trusts (or the related Lease Indenture Trustee
           (under, and as defined in the related, Powerton/Joliet Lease
           Operative Documents) should have commenced to exercise remedies in
           accordance with Section 17 of each of the Powerton/Joliet Leases to
           terminate any of the Powerton/Joliet Leases and repossess any of the
           Powerton/Joliet Lease Assets.

                     Section 9.1.15 EDISON MISSION ENERGY OBLIGATIONS . Edison
           Mission Energy shall fail to make payment or fail to perform its
           obligations under any Powerton/Joliet Lease Guarantee or any
           Powerton/Joliet Lease Intercompany Note within five Business Days
           after any such payment becomes due in accordance with the terms
           thereof or hereof.

                     Section 9.1.16 POWERTON/JOLIET DOCUMENTATION. Any of the
           Powerton/Joliet Lease Guarantees or the Powerton/Joliet Lease
           Intercompany Notes is declared unenforceable or is terminated, or
           Edison Mission Energy or any Powerton/Joliet Trust shall assert that
           any of the Powerton/Joliet Lease Guarantees or the Powerton/Joliet
           Intercompany Notes to which it is a party shall no longer be in full
           force and effect.".

         Section 3. AUTHORIZATION OF ADMINISTRATIVE AGENT. The Lenders party
hereto hereby authorize the Administrative Agent to authorize the Holdings
Collateral Agent to execute (i) the Powerton/Joliet Intercompany Note Pledge
Agreement and (ii) the Powerton/Joliet Subordination Agreements.

         Section 4. CONSENT. Pursuant to SECTION 8.2.6(b) of the Credit
Agreement, the Lenders party hereto hereby consent to the execution and
delivery by Midwest and ComEd of Amendment No.1 to the Collins PPA.

<PAGE>

                                    -11-

                   Section 5. CONDITIONS PRECEDENT. This Amendment shall not
become effective until the date (the "AMENDMENT EFFECTIVE DATE") on which each
of the following conditions precedent have been satisfied or will be satisfied
contemporaneously with this Amendment becoming effective:

                             (a) Delivery to the Administrative Agent of this
         Amendment duly executed and delivered by the Borrower and the
         Lenders constituting the Required Lenders;
                             (b) Delivery to the Administrative Agent of the
         Powerton/Joliet Lease Operative Documents in form and substance
         satisfactory to the Administrative Agent;
                             (c) All conditions precedent to effectuate the
         Powerton/Joliet Lease Transaction have been satisfied (including
         delivery of the ComEd Powerton/Joliet Lease Consents) or waived;
                             (d) Delivery to the Administrative Agent of (i)
         the Powerton/Joliet Intercompany Note Pledge Agreements and (ii) the
         Powerton/Joliet Subordination Agreements, each in form and substance
         satisfactory to the Administrative Agent.
                             (e) Delivery to the Holdings Collateral Agent of
         each of the Powerton/Joliet Lease Intercompany Notes in pledge under
         the Powerton/Joliet Intercompany Note Pledge Agreements, each
         accompanied by a duly executed blank bond power.
                             (f) The Administrative Agent shall have received
         opinions, dated the Amendment Effective Date and addressed to the
         Administrative Agent and the Lenders, from (i) the general counsel to
         the Loan Parties, (ii) the special New York counsel to the Loan
         Parties, (iii) the special Illinois counsel to the Loan Parties, and
         (iv) Federal Energy Regulatory Commission counsel to the Loan
         Parties. Each such opinion shall be in form and substance reasonably
         satisfactory to the Administrative Agent;
                             (g) The Borrower shall have received written
         confirmation from S&P and Moody's that after giving effect to the
         Powerton/Joliet Lease Transaction, no Debt Rating shall fall below
         the Debt Rating in effect prior to giving effect to the
         Powerton/Joliet Lease Transaction;
                             (h) The representations and warranties of the
         Borrower as set forth in the Credit Agreement and each Loan Party as
         set forth in each of the Loan Documents to which such Loan Party is a
         party, shall be true and correct as of the Amendment Effective Date
         after giving effect to the amendments contemplated hereby (unless
         stated to be given as of an earlier date, in which case such
         representation and warranty shall be true and correct only as of such
         earlier date); and
                             (i) As of the Amendment Effective Date, no
         Default shall have occurred and be continuing.
                             (j) Contemporaneously with this Amendment
         becoming effective, the Administrative Agent shall have received
         confirmation that Edison Mission Energy has used the proceeds of the
         Powerton/Joliet Intercompany Notes to repay in full Indebtedness of
         Edison Mission Energy (including, without limitation, the repayment
         in full of its obligations under the Credit Agreement dated as of
         December 15, 1999 among Edison Mission Energy, the commercial lending
         institutions party thereto and The Chase Manhattan Bank, as
         Administrative Agent and the termination of related commitments).
         Section 6. MISCELLANEOUS. Except as expressly amended hereby, all of
the terms and provisions of the Credit Agreement are and shall remain in full
force and effect. This

<PAGE>

                                    -12-

Amendment may be executed in any number of counterparts, all of which taken
together shall constitute one and the same instrument and any of the parties
hereto may execute this Amendment by signing any such counterpart. This
Amendment shall be governed by, and construed in accordance with, the law of
the State of New York.

<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed by their respective officers as of the day and year first above
written.

                                    EDISON MISSION MIDWEST
                                    HOLDINGS CO.

                                    By:/s/ Maria P. Litos
                                       ----------------------------------------
                                       Name: Maria P. Litos
                                       Title: Vice President and Assistant
                                       Secretary

                                    Address for Notices:
                                    18101 Von Karman Avenue
                                    Suite 1700
                                    Irvine, CA  92616
                                    Attention:  General Counsel
                                    Telecopier No.:  (949) 752-1420

                                    THE CHASE MANHATTAN BANK,
                                    as Administrative Agent and as Lender

                                    By:/s/ Thomas L. Casey
                                       ----------------------------------------
                                       Name: Thomas L. Casey
                                       Title: Vice President

                                    Address for Notices:
                                    Tom Casey
                                    270 Park Avenue
                                    New York, New York 10017
                                    With a copy to :
                                    Loan & Agency Services Group
                                    The Chase Manhattan Bank
                                    1 Chase Manhattan Plaza
                                    New York, New York 10081
                                    Attention:  Janet Belden

                                    CITICORP USA, INC.,
                                    as Lender

                                    By:/s/ Sandip Sen
                                       ----------------------------------------
                                       Name: Sandip Sen
                                       Title: Managing Director
                                       Attorney-In-Fact

<PAGE>

                                    Address for Notices:
                                    399 Park Avenue
                                    4th Floor
                                    New York, New York 10043
                                    Attention:  David Goldenberg
                                    Telecopier No.:

                                    SOCIETE GENERALE,
                                         as Lender

                                    By:/s/ David Bird
                                       ----------------------------------------
                                       Name: David Bird
                                       Title: Vice President

                                    Address for Notices:
                                    1221 Avenue of the Americas
                                    11th Floor
                                    New York, New York 10020
                                    Attention:  Donna Reynolds/Debbie Napoli
                                    Telecopier No.:

                                    WESTDEUTSCHE LANDESBANK
                                    GIROZENTRALE, New York Branch,
                                        as Lender

                                    By:/s/ Jonathan Berman
                                       ----------------------------------------
                                       Name: Jonathan Berman
                                       Title: Managing Director

                                    By:/s/ Cyril Derueloy
                                       ----------------------------------------
                                       Name: Cyril Derueloy
                                       Title: Manager

                                    Address for Notices:
                                    1211 Avenue of the Americas
                                    25th Floor
                                    New York, New York 10036-8701
                                    Attention:  Jonathan Berman/Matt Wilson
                                    Telecopier No.:

                                       2

<PAGE>

                                    BANK OF MONTREAL,
                                    as Lender

                                    By:/s/ Cahal B. Carmody
                                       ----------------------------------------
                                       Name: Cahal B. Carmody
                                       Title: Director

                                    Address for Notices:
                                    700 Louisiana
                                    Suite 4400
                                    Houston, TX 77002
                                    Attention:  Cahal Carmody
                                    Telecopier No.:

                                    FORTIS CAPITAL CORP.,
                                    as Lender

                                    By:/s/ Chris McCall
                                       ----------------------------------------
                                       Name: Chris McCall
                                       Title: Vice President

                                    By: /s/ John T. Connors
                                       ----------------------------------------
                                       Name: John T. Connors
                                       Title: President and Chief Operating
                                       Officer

                                    Address for Notices:
                                    3 Stamford Plaza
                                    301 Tresser Boulevard
                                    9th Floor
                                    Stamford, CT 06901-3239
                                    Attention:  Marlene Ellis
                                    Telecopier No.:

                                    THE ROYAL BANK OF SCOTLAND PLC,
                                    as Lender

                                    By:/s/ Siobhan Smyth
                                       ----------------------------------------
                                       Name: Siobhan Smyth
                                       Title: Vice President

                                       3

<PAGE>

                                    Address for Notices:
                                    88 Pine Street
                                    Wall Street Plaza
                                    26th Floor
                                    New York, New York 10005
                                    Attention:  Jeanne DeQuar
                                    Telecopier No.:

                                    THE BANK OF NOVA SCOTIA,
                                    as Lender

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

                                    Address for Notices:
                                    600 Peachtree Street
                                    Suite 2700
                                    Atlanta, GA 30383
                                    Attention:  Kathy Clark
                                    Telecopier No.:
                                    With a copy to :
                                    580 California Street
                                    Suite 2100
                                    San Francisco, CA 94101
                                    Attention:  John Quick
                                    Telecopier No.:

                                    BANK OF AMERICA, N.A.,
                                    as Lender

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

                                    Address for Notices:
                                    101 N. Tryon Street
                                    NC1-001-15-04
                                    Charlotte, NC 28255
                                    Attention:  Lynne Cole
                                    Telecopier No.:

                                       4

<PAGE>

                                    ABN AMRO BANK N.V.,
                                    as Lender

                                    By:/s/ David B. Bryant
                                       ----------------------------------------
                                       Name: David B. Bryant
                                       Title: Senior Vice President & Managing
                                       Director

                                    By:/s/ Gregory Babaya
                                       ----------------------------------------
                                       Name: Gregory Babaya
                                       Title: Assistant Vice President

                                    Address for Notices:
                                    208 South LaSalle Street
                                    Suite 1500
                                    Chicago, IL 60604-1003
                                    Attention:  Credit Administration
                                    With a copy to:
                                    135 South LaSalle Street
                                    Suite 710
                                    Chicago, IL 60603
                                    Attention:  David Bryant
                                    Telecopier No.:  (312) 583-6111

                                    LEHMAN COMMERCIAL PAPER INC.,
                                    as Lender

                                    By:/s/ Michele Swanson
                                       ----------------------------------------
                                       Name: Michele Swanson
                                       Title: Authorized Signatory

                                    Address for Notices:
                                    c/o Bankers Trust Company
                                    Corporate Trust & Agency Group
                                    Loan Services
                                    4 Albany Street
                                    7th Floor
                                    New York, New York 10006
                                    Attention:  Jason Yoo
                                    Telecopier No.:
                                    With a copy to:
                                    3 World Financial Center
                                    10th Floor
                                    New York, New York 10285

                                       5

<PAGE>

                                    DRESDNER BANK AG,
                                    New York and Grand Cayman Branches,
                                       as Lender

                                    By:/s/ Michael E. Higgins
                                       ----------------------------------------
                                       Name: Michael E. Higgins
                                       Title: Vice President

                                    By:/s/ Andrew Cullinan
                                       ----------------------------------------
                                       Name: Andrew Cullinan
                                       Title: Assistant Treasurer

                                    Address for Notices:
                                    75 Wall Street
                                    New York, New York 10005-2889
                                    Attention:  Annabelle Librojo
                                    Telecopier No.:

                                    BAYERISCHE LANDESBANK GIROZENTRALE,
                                       as Lender

                                    By:/s/ Thomas von Kistowsky
                                       ----------------------------------------
                                       Name: Thomas von Kistowsky
                                       Title: Senior Vice President & Branch
                                       Manager

                                    By: /s/ Cornelia Wintergerst
                                       ----------------------------------------
                                       Name: Cornelia Wintergerst
                                       Title: Vice President

                                    Address for Notices:
                                    560 Lexington Avenue
                                    New York, New York 10094
                                    Attention:  Patricia Sanchez
                                    Telecopier No.:

                                    BARCLAYS BANK PLC,
                                    as Lender

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

                                       6

<PAGE>

                                    Address for Notices:
                                    222 Broadway
                                    New York, New York 10038
                                    Attention:  Marsha Hamlette
                                    Telecopier No.:

                                    NATIONAL WESTMINSTER BANK Plc,
                                    New York Branch
                                       as Lender

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

                                    NATIONAL WESTMINSTER BANK Plc,
                                        Nassau Branch
                                            as Lender

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

                                    Address for Notices:
                                    65 East 55th Street
                                    New York, New York 10022
                                    Attention:  Sattie Chinapen

                                    UNION BANK OF CALIFORNIA, N.A.,
                                    as Lender

                                    By:/s/ Dennis G. Blank
                                       ----------------------------------------
                                       Name: Dennis G. Blank
                                       Title: Vice President

                                    Address for Notices:
                                    Commercial Loan Operations
                                    1980 Saturn Street
                                    Monterey Park, CA 91755
                                    Attention:  Ruby Gonzales
                                    Telecopier No.:

                                       7

<PAGE>

                                    BANK ONE, NA (Chicago Branch),
                                    as Lender

                                    By:/s/ Jane A. Bek
                                       ----------------------------------------
                                       Name: Jane A. Bek
                                       Title: Vice President

                                    Address for Notices:
                                    1 Bank One Plaza
                                    Suite 0634
                                    Chicago, IL 60670
                                    Attention:  Claudia Kich
                                    Telecopier No.:

                                    TORONTO DOMINION (TEXAS) INC.,
                                    as Lender

                                    By:/s/ Lynn Chasin
                                       ----------------------------------------
                                       Name: Lynn Chasin
                                       Title: Vice President

                                    Address for Notices:
                                    909 Fannin Street
                                    17th Floor
                                    Houston, TX 77010
                                    Attention:  Lynn Chasin
                                    Telecopier No.:

                                    BANQUE NATIONALE DE PARIS,
                                    as Lender

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

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

                                       8

<PAGE>

                                    Address for Notices:
                                    Treasury Department
                                    180 Montgomery Street
                                    San Francisco, CA 94101
                                    Attention:  Don Hart
                                    Telecopier No.:
                                    With a copy to:
                                    725 S. Figueroa Street
                                    Suite 2090
                                    Los Angeles, CA 90017
                                    Attention:  James Culhane
                                    Telecopier No.:

                                    COMMERZBANK AG, New York and
                                    Cayman Island Branches,
                                       as Lender

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

                                    By:
                                       ----------------------------------------
                                       Name:
                                       Title:
                                    Address for Notices:
                                    2 World Financial Center
                                    New York, New York 10281-1050
                                    Attention:  Christine Hunermund
                                    Telecopier No.:

                                    SANPAOLO IMI S.p.A.,
                                    as Lender

                                    By:/s/ Carlo Persico
                                       ----------------------------------------
                                       Name: Carlo Persico
                                       Title: Deputy General Manager

                                    By:/s/ Robert Wurster
                                       ----------------------------------------
                                       Name: Robert Wurster
                                       Title: First Vice President

                                       9

<PAGE>

                                    Address for Notices:
                                    245 Park Avenue
                                    35th Floor
                                    New York, New York 10167
                                    Attention:  Gerardo Suarez/John Ferrante
                                    Telecopier No.:

                                    CREDIT LOCAL DE FRANCE,
                                    New York Agency
                                        as Lender

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

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

                                    Address for Notices:
                                    450 Park Avenue
                                    New York, New York 10022
                                    Attention:  Aida Slabotzky
                                    Telecopier No.:

                                    THE FUJI BANK, LIMITED,
                                    as Lender

                                    By: /s/ THOMAS W. BOYLAN
                                        --------------------------------------
                                        Name: Thomas W. Boylan
                                        Title: Vice President & Team Leader

                                    Address for Notices:
                                    Two World Trade Center
                                    79th Floor
                                    New York, New York 10048
                                    Attention:  Tina Catapano/Betty Ali
                                    Telecopier No.:

                                       10
<PAGE>

                                    KBC BANK N.V.,
                                    as Lender

                                    By: /s/ ROBERT SNAUFFER
                                        --------------------------------------
                                        Name: Robert Snauffer
                                        Title: First Vice President

                                    By: /s/ PATRICK A. JANSSENS
                                        --------------------------------------
                                        Name: Patrick A. Janssens
                                        Title: Vice President

                                    Address for Notices:
                                    125 West 55th Street
                                    10th Floor
                                    New York, New York 10019
                                    Attention:  Michael Curran
                                    Telecopier No.:

                                    CREDIT LYONNAIS, New York Branch
                                    as Lender

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

                                    Address for Notices:
                                    1301 Avenue of the Americas
                                    New York, New York 10019
                                    Attention:  Justine Ventrelli
                                    Telecopier No.:

                                    MB FINSTRUTTURE, S.p.A.
                                    as Lender

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

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

                                       11
<PAGE>

                                    Address for Notices:
                                    Via Filodrammatici 10
                                    Milano, Italy 20121
                                    Attention:  Simonpietro Felice
                                    Telecopier No.:

                                    ABBEY NATIONAL TREASURY
                                    SERVICES plc,
                                        as Lender

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

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

                                    Address for Notices:
                                    26-28 Dorset Square
                                    London, NW1 6QC
                                    United Kingdom
                                    Attention:  Sue Hawkins
                                    Telecopier No.:

                                    AUSTRALIA AND NEW ZEALAND
                                    BANKING GROUP LIMITED,
                                        as Lender

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

                                    Address for Notices:
                                    1177 Avenue of the Americas
                                    New York, New York 10036-2798
                                    Attention: Tessie Amante/Doreen
                                    Klingenbeck
                                    Telecopier No.:

                                      12
<PAGE>

                                    CIBC INC.,
                                    as Lender

                                    By: /s/ JOHN P. BURKE
                                       ----------------------------------------
                                       Name: John P. Burke
                                       Title: Executive Director
                                       CIBC World Markets Corp., As Agent

                                    Address for Notices:
                                    Two Paces West
                                    2727 Paces Ferry Road
                                    Suite 1200
                                    Atlanta, GA 30309
                                    Attention:  Beverly Bowman/Miriam McCart
                                    Telecopier No.:

                                    NORDDEUTSCHE LANDESBANK
                                    GIROZENTRALE New York/Grand
                                    Cayman Islands Branches,
                                      as Lender

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

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

                                    Address for Notices:
                                    1114 Avenue of the Americas
                                    New York, New York 10036
                                    Attention:  Stefanie Scholz
                                    Telecopier No.:

                                    THE INDUSTRIAL BANK OF JAPAN, LIMITED,
                                      as Lender

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

                                      13
<PAGE>

                                    Address for Notices:
                                    1251 Avenue of the Americas
                                    New York, New York 10020-1104
                                    Attention:  Richard Emmich
                                    Telecopier No.:

                                    NATIONAL AUSTRALIA BANK
                                    LIMITED, (A.C.N. 004044937)
                                      as Lender

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

                                    Address for Notices:
                                    200 Park Avenue
                                    34th Floor
                                    New York, New York 10166
                                    Attention:  Lidia Saniuk/Geraldine Harper
                                    Telecopier No.:

                                    BAYERISCHE HYPO-UND
                                    VEREINSBANK AG, New York Branch,
                                      as Lender

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

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

                                    Address for Notices:
                                    150 East 42nd Street
                                    New York, New York 10017
                                    Attention:  Arelis Cepeda
                                    Telecopier No.:

                                      14
<PAGE>

                                    BANK HAPOALIM B.M.,
                                    as Lender

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

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

                                    Address for Notices:
                                    1177 Avenue of the Americas
                                    New York, New York 10036
                                    Attention:  Donna Gindoff/Ivelis Cruz
                                    Telecopier No.:

                                    COBANK, ACB,
                                    as Lender

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

                                    Address for Notices:
                                    5500 South Quebec Street
                                    Englewood, CO 80111
                                    Attention:  Ryan Spearman
                                    Telecopier No.:

                                    BANKGESELLSCHAFT BERLIN AG,
                                    London Branch
                                      as Lender

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

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

                                      15
<PAGE>

                                    Address for Notices:
                                    1 Crown Court
                                    Cheapside
                                    London E2C2V 6LR
                                    England
                                    Attention: Penny Neville-Park/Collette
                                    Hayden
                                    Telecopier No.:

                                    NATEXIS BANQUES POPULAIRES,
                                    as Lender

                                    By: /s/ ROGER UTTLEY
                                        --------------------------------------
                                        Name: Roger Uttley
                                        Title: VP & Manager
                                        Latin America Group

                                    By: /s/ ANADI JAUHARI
                                        --------------------------------------
                                        Name: Anadi Jauhari
                                        Title: Vice President & Group Manager
                                               Project Finance Group

                                    Address for Notices:
                                    645 Fifth Avenue
                                    20th Floor
                                    New York, New York 10022
                                    Attention:  Endina Barletta
                                    Telecopier No.:

                                    CREDIT INDUSTRIEL ET COMMERCIAL,
                                      as Lender

                                    By: /s/ MARC BARADUC
                                        --------------------------------------
                                        Name: Marc Baraduc
                                        Title: Assistant Vice President

                                    By: /s/ MARK D. PALIN
                                        --------------------------------------
                                        Name: Mark D. Palin
                                        Title: Vice President

                                      16
<PAGE>

                                    Address for Notices:
                                    4 Rue Gaillon
                                    F-75002 Paris
                                    France
                                    Attention: Annick Merard
                                    Telecopier No.:

                                    MELLON BANK, N.A.,
                                    as Lender

                                    By: /s/ MARK W. ROGERS
                                        --------------------------------------
                                        Name: Mark W. Rogers
                                        Title: Vice President

                                    Address for Notices:
                                    Three Mellon Bank Center
                                    Rom 1203
                                    Pittsburgh, PA 15259-0003
                                    Attention:  Loan Administration Dept.
                                    Telecopier No.:

                                    CHANG HWA COMMERCIAL BANK, LTD.,
                                    as Lender

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

                                    Address for Notices:
                                    333 South Grand Avenue
                                    Suite 600
                                    Los Angeles, CA 90071
                                    Attention:  Jean Luu
                                    Telecopier No.:

                                    BANK OF CHINA, NEW YORK,
                                    as Lender

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

                                      17
<PAGE>

                                    Address for Notices:
                                    410 Madison Avenue
                                    New York, New York 10017
                                    Attention:  Kevin Cheung
                                    Telecopier No.:

                                    ERSTE BANK DER OESTERREICHISCHEN
                                    SPARKASSEN AG, New York Branch
                                       as Lender

                                    By: /s/ ROBERT SVEHNHOLZ
                                        --------------------------------------
                                        Name: Robert Svehnholz
                                        Title: First Vice President

                                    By: /s/ PATRICK W. KUNKEL
                                        --------------------------------------
                                        Name: Patrick W. Kunkel
                                        Title: Assistant Vice President
                                        Erste Bank New York Branch

                                    Address for Notices:
                                    280 Park Avenue, West Building
                                    New York, NY 10017
                                    Attention:  Patrick Kunkel
                                    Telecopier No.:

                                      18<PAGE>
                                                                Exhibit 10.108.4
                                                           EXECUTION COUNTERPART

                                  AMENDMENT FOUR

         AMENDMENT FOUR (this "AMENDMENT") dated as of December 12, 2000 by and
among EDISON MISSION MIDWEST HOLDINGS CO. (the "BORROWER"), THE CHASE MANHATTAN
BANK as Administrative Agent (in such capacity, the "ADMINISTRATIVE AGENT") and
each of certain commercial lending institutions party hereto (the "LENDERS").

         WHEREAS, the Borrower, the Administrative Agent and certain of the
Lenders entered into a Credit Agreement dated as of December 15, 1999 (as
heretofore amended, modified and supplemented, the "CREDIT AGREEMENT");

         WHEREAS, the Borrower entered into a $71 million Credit Agreement dated
of May 8, 2000 with certain commercial lending institutions arranged by Societe
Generale and Bayerische Landesbank Girozentrale (as heretofore amended, modified
and supplemented, the "2000 CAPEX CREDIT AGREEMENT").

         WHEREAS, the Borrower desires to increase its Tranche A Loan
Commitments by $71 million dollars in order to replace the 2000 Capex Credit
Agreement.

         WHEREAS, the Borrower desires to renew the Tranche A Loan Commitments
for an additional 364-day period pursuant to SECTION 2.6 of the Credit
Agreement;

         WHEREAS, pursuant to SECTION 2.6 of the Credit Agreement, each Lender
party to the Credit Agreement may elect to renew its Tranche A Loan Commitment
for an additional 364-day period or allow its Tranche A Loan Commitment to
expire on the Existing Tranche A Loan Commitment Termination Date;

         WHEREAS, the Borrower has the right to accept Tranche A Loan
Commitments from third party financial institutions acceptable to the
Administrative Agent (the "NEW LENDERS") to replace Tranche A Loan Commitments
of any Lender who elects not to renew its Tranche A Loan Commitments pursuant to
SECTION 2.6 of the Credit Agreement;

         WHEREAS, the New Lenders wish to become parties to the Credit Agreement
as "Lenders" thereunder, the Borrower, the Administrative Agent and the Lenders
party hereto intend to (i) increase the aggregate amount of Tranche A Loan
Commitments from $840 million to $911 million and (ii) extend the Tranche A Loan
Termination Date for an additional 364-day period pursuant to SECTION 2.6 of the
Credit Agreement;

         WHEREAS, Midwest and ComEd have entered into an Amended and Restated
Power Purchase Agreement dated as of September 13, 2000 attached as Exhibit A
hereto, ("AMENDED AND RESTATED COLLINS PPA") in order to provide gas price
protection to Midwest and an adjustment to the maximum power purchase
requirement of ComEd in connection with Midwest's sale of energy from the
Collins Facility;

         WHEREAS, the consent of the Required Lenders is required in connection
with the execution and delivery of the Amended and Restated Collins PPA, the
Borrower has requested and the Lenders party hereto consent to Midwest's
execution and delivery of the Amended and Restated Collins PPA;

         ACCORDINGLY, the parties hereto agree as follows:

         Section 1. DEFINITIONS. Except as otherwise defined in this Amendment,
terms defined in the Credit Agreement are used herein (and in the introductions
and recitals hereto) as defined therein.

<PAGE>

                                     -2-

         Section 2. AMENDMENT TO THE CREDIT AGREEMENT. Subject to the
satisfaction of the conditions precedents specified in Section 6 below, but
effective as of the Amendment Effective Date, the Credit Agreement shall be
amended as follows:

                  (a) Each of the New Lenders shall be deemed to be a "Lender"
         under and for all purposes of the Credit Agreement and each reference
         therein to "Lender" shall be deemed to include the New Lenders.
         References in the Credit Agreement to "this Agreement" shall be deemed
         to be references to the Credit Agreement as amended hereby.

                  (b) SECTION 1.1 of the Credit Agreement shall be amended by
         deleting the definition of "LENDERS", in its entirety and replacing it
         with the following definition:

                  "LENDERS" means, (a) on the date hereof, the certain
         commercial lending institutions party hereto and (b) thereafter, the
         Lenders from time to time holding Commitments after giving effect to
         any assignments thereof permitted BY SECTION 11.11.1."

                  (c) SCHEDULES 1.1(a) and (b) of the Credit Agreement shall be
         deleted and replaced in their entirety with Exhibit B hereto.

         Section 3. FACILITY FEE. For purposes of calculating the amount of
Facility Fees payable under SECTION 3.3.1 of the Credit Agreement, the increase
of the Tranche A Commitments contemplated by Section 2 hereof shall be deemed to
have been increased (and the Tranche A Commitments of the New Lenders shall be
deemed to have become effective) immediately upon the satisfaction of the
conditions precedents specified in Section 6 hereof.

         Section 4. EXTENSION OF TRANCHE A COMMITMENTS. The Lenders holding
Tranche A Loan Commitments as specified in SCHEDULE 1.1(a) to the Credit
Agreement (attached as Exhibit B hereto) as of the Amendment Effective Date
agree to extend the Tranche A Loan Commitment Termination Date for an additional
364 days as specified in SECTION 2.6 of the Credit Agreement.

         Section 5. CONSENT. Pursuant to SECTION 8.2.6(b) of the Credit
Agreement, the Lenders party hereto hereby consent to the execution and delivery
by Midwest and ComEd of the Amended and Restated Collins PPA (and waive any
default under SECTION 8.2.6(b) of the Credit Agreement which may exist as a
consequence of Midwest executing and delivering the Amended and Restated Collins
PPA in advance of such consent).

         Section 6. CONDITIONS PRECEDENT. This Amendment shall not become
effective until the date (the "AMENDMENT EFFECTIVE DATE") on which each of the
following conditions precedent have been satisfied or will be satisfied
contemporaneously with this Amendment becoming effective:

                  (a) Delivery to the Administrative Agent of this Amendment
         duly executed and delivered by the Borrower, the Administrative Agent,
         the New Lenders and each of the Lenders who will hold Tranche A Loan
         Commitments immediately after the Amendment Effective Date (such
         Lenders constituting Required Lenders);

                  (b) The Administrative Agent shall have received opinions,
         dated the Amendment Effective Date and addressed to the Administrative
         Agent and the Lenders, from (i) the general counsel to the Loan Parties
         and (ii) the special New York counsel to the Loan Parties. Each such
         opinion shall be in form and substance reasonably satisfactory to the
         Administrative Agent;

                  (c) The representations and warranties of the Borrower as set
         forth in the Credit Agreement and each Loan Party as set forth in each
         of the Loan Documents to

<PAGE>

                                      -3-

         which such Loan Party is a party, shall be true and correct as of the
         Amendment Effective Date after giving effect to the amendments
         contemplated hereby (unless stated to be given as of an earlier date,
         in which case such representation and warranty shall be true and
         correct only as of such earlier date); and

                  (d) As of the Amendment Effective Date, no Default shall have
         occurred (excluding any default waived pursuant to Section 5 hereof)
         and be continuing after giving effect to this Amendment.

         Section 6. MISCELLANEOUS. Except as expressly amended hereby, all of
the terms and provisions of the Credit Agreement are and shall remain in full
force and effect. This Amendment may be executed in any number of counterparts,
all of which taken together shall constitute one and the same instrument and any
of the parties hereto may execute this Amendment by signing any such
counterpart. This Amendment shall be governed by, and construed in accordance
with, the law of the State of New York.

<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed by their respective officers as of the day and year first above
written.

                                            EDISON MISSION MIDWEST
                                            HOLDINGS CO.

                                            By: /s/ Maria P. Litos
                                               --------------------------------
                                               Name: Maria P. Litos
                                               Title: Vice President

                                            Address for Notices:
                                            18101 Von Karman Avenue
                                            Suite 1700
                                            Irvine, CA 92616
                                            Attention: General Counsel
                                            Telecopier No.: (949) 752-1420

                                            THE CHASE MANHATTAN BANK,
                                            as Administrative Agent and
                                            as Lender

                                            By: /s/ Thomas L. Casey
                                               --------------------------------
                                                Name: Thomas L. Casey
                                                Title: Vice President

                                            Address for Notices:
                                            Tom Casey
                                            270 Park Avenue
                                            New York, New York 10017
                                            With a copy to :
                                            Loan & Agency Services Group
                                            The Chase Manhattan Bank
                                            1 Chase Manhattan Plaza
                                            New York, New York 10081
                                            Attention: Janet Belden

                                            CITIBANK, N.A.,
                                            as Lender

                                            By: /s/ Jonathan B. Lindenberg
                                               --------------------------------
                                                Name: Jonathan B. Lindenberg
                                                Title: Managing Director

<PAGE>

                                            Address for Notices:
                                            399 Park Avenue
                                            4th Floor
                                            New York, New York 10043
                                            Attention: David Goldenberg
                                            Telecopier No.:

                                            SOCIETE GENERALE,
                                                as Lender

                                            By: /s/ Francis Sacr
                                               --------------------------------
                                                Name: Francis Sacr
                                                Title: Director, Project Finance

                                            Address for Notices:
                                            1221 Avenue of the Americas
                                            11th Floor
                                            New York, New York 10020
                                            Attention: Donna Reynolds/Debbie
                                                       Napoli
                                            Telecopier No.:

                                            WESTDEUTSCHE LANDESBANK
                                              GIROZENTRALE, New York Branch,
                                                as Lender

                                            By: /s/ Cyril Derueloy
                                               --------------------------------
                                                Name: Cyril Derueloy
                                                Title: Manager

                                            By: /s/ Michael D. Peist
                                               --------------------------------
                                                Name: Michael D. Peist
                                                Title: Associate Director
                                            Address for Notices:
                                            1211 Avenue of the Americas
                                            25th Floor
                                            New York, New York 10036-8701
                                            Attention: Jonathan Berman/Matt
                                                       Wilson
                                            Telecopier No.:

                                       2
<PAGE>

                                            BANK OF MONTREAL,
                                                as Lender

                                            By: /s/ Cahal B. Carmody
                                               --------------------------------
                                                Name: Cahal B. Carmody
                                                Title: Director

                                            Address for Notices:
                                            700 Louisiana
                                            Suite 4400
                                            Houston, TX 77002
                                            Attention: Cahal Carmody
                                            Telecopier No.:

                                            FORTIS CAPITAL CORP.,
                                                as Lender

                                            By: /s/ Chris McCall
                                               --------------------------------
                                                Name: Chris McCall
                                                Title: Vice President

                                            By: /s/ Svein Engh
                                               --------------------------------
                                                Name: Svein Engh
                                                Title: Managing Director
                                            Address for Notices:
                                            3 Stamford Plaza
                                            301 Tresser Boulevard
                                            9th Floor
                                            Stamford, CT 06901-3239
                                            Attention: Marlene Ellis
                                            Telecopier No.:

                                            THE ROYAL BANK OF SCOTLAND
                                              PLC,
                                              as Lender

                                            By: /s/ Brian Mcinnes
                                               --------------------------------
                                                Name: Brian Mcinnes
                                                Title: Senior Vice President

                                            Address for Notices:
                                            65 E. 55th Street
                                            21st Floor
                                            New York, New York 10022
                                            Attention: Helaine Griffin
                                            Telecopier No.: (212) 401-1336

                                       3
<PAGE>

                                            THE BANK OF NOVA SCOTIA,
                                                as Lender

                                            By: /s/ John Quick
                                               --------------------------------
                                                Name: John Quick
                                                Title: Managing Director

                                            Address for Notices:
                                            600 Peachtree Street
                                            Suite 2700
                                            Atlanta, GA 30383
                                            Attention: Kathy Clark
                                            Telecopier No.:
                                            With a copy to :
                                            580 California Street
                                            Suite 2100
                                            San Francisco, CA 94101
                                            Attention:  John Quick
                                            Telecopier No.:

                                            BANK OF AMERICA, N.A.,
                                                as Lender

                                            By: /s/ Raymond Gagne
                                               --------------------------------
                                                Name: Raymond Gagne
                                                Title: Managing Director

                                            Address for Notices:
                                            101 N. Tryon Street
                                            NC1-001-15-04
                                            Charlotte, NC 28255
                                            Attention:  Lynne Cole
                                            Telecopier No.:

                                       4
<PAGE>

                                            ABN AMRO BANK N.V.,
                                                as Lender

                                            By: /s/ Miguel Pachicano
                                               --------------------------------
                                                Name: Miguel Pachicano
                                                Title: Group Vice President

                                            By: /s/ Sonny K. Tran
                                               --------------------------------
                                                Name: Sonny K. Tran
                                                Title: Assistant Vice President
                                            Address for Notices:
                                            208 South LaSalle Street
                                            Suite 1500
                                            Chicago, IL 60604-1003
                                            Attention: Credit Administration
                                            With a copy to:
                                            135 South LaSalle Street
                                            Suite 710
                                            Chicago, IL 60603
                                            Attention: David Bryant
                                            Telecopier No.: (312) 583-6111

                                            LEHMAN COMMERCIAL PAPER INC.,
                                                  as Lender

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

                                            Address for Notices:
                                            c/o Bankers Trust Company
                                            Corporate Trust & Agency Group
                                            Loan Services
                                            4 Albany Street
                                            7th Floor
                                            New York, New York 10006
                                            Attention: Jason Yoo
                                            Telecopier No.:
                                            With a copy to:
                                            3 World Financial Center
                                            10th Floor
                                            New York, New York 10285

                                        5
<PAGE>

                                            DRESDNER BANK AG,
                                              New York and Grand Cayman
                                              Branches,
                                                as Lender

                                            By: /s/ Fred C. Thurston
                                               --------------------------------
                                                Name: Fred C. Thurston
                                                Title: Vice President

                                            By: /s/ Andrew Schroeder
                                               --------------------------------
                                                Name: Andrew Schroeder
                                                Title: Vice President

                                            Address for Notices:
                                            75 Wall Street
                                            New York, New York 10005-2889
                                            Attention: Annabelle Librojo
                                            Telecopier No.:

                                            BAYERISCHE LANDESBANK
                                              GIROZENTRALE,
                                                as Lender

                                            By: /s/ Dietmar Rieg
                                               --------------------------------
                                                Name: Dietmar Rieg
                                                Title: First Vice President

                                            By: /s/ Cornelia Wintergerst
                                               --------------------------------
                                                Name: Cornelia Wintergerst
                                                Title: Vice President
                                            Address for Notices:
                                            560 Lexington Avenue
                                            New York, New York 10094
                                            Attention: Patricia Sanchez
                                            Telecopier No.:

                                            BARCLAYS BANK PLC,
                                              as Lender

                                            By: /s/ Sydney G. Dennis
                                               --------------------------------
                                                Name: Syndey G. Dennis
                                                Title: Director

                                       6
<PAGE>

                                            Address for Notices:
                                            222 Broadway
                                            New York, New York 10038
                                            Attention:  Marsha Hamlette
                                            Telecopier No.:  212 412 5306

                                            UNION BANK OF CALIFORNIA, N.A.,
                                                as Lender

                                            By: /s/ Robert J. Cole
                                               --------------------------------
                                                Name: Robert J. Cole
                                                Title: Vice President

                                            Address for Notices:
                                            Commercial Loan Operations
                                            1980 Saturn Street
                                            Monterey Park, CA 91755
                                            Attention:  Ruby Gonzales
                                            Telecopier No.:

                                            BANK ONE, NA (Chicago Branch),
                                                as Lender

                                            By: /s/ Jane Bek
                                               --------------------------------
                                                Name: Jane Bek
                                                Title: Vice President

                                            Address for Notices:
                                            1 Bank One Plaza
                                            Suite 0634
                                            Chicago, IL 60670
                                            Attention: Claudia Kich
                                            Telecopier No.:

                                            TORONTO DOMINION (TEXAS) INC.,
                                                as Lender

                                            By: /s/ Debbie A. Greene
                                               --------------------------------
                                                Name: Debbie Greene
                                                Title: Vice President

                                            Address for Notices:

                                       7
<PAGE>

                                            909 Fannin Street
                                            17th Floor
                                            Houston, TX 77010
                                            Attention: Lynn Chasin
                                            Telecopier No.:

                                            BNP PARIBAS,
                                              as Lender

                                            By: /s/ Ralph E. Scholtz
                                               --------------------------------
                                                Name: Ralph E. Scholtz
                                                Title: Managing Director

                                            By: /s/ Tim Vincent
                                               --------------------------------
                                                Name: Tim Vincent
                                                Title: Vice President

                                            Address for Notices:
                                            Treasury Department
                                            180 Montgomery Street
                                            San Francisco, CA 94101
                                            Attention: Don Hart
                                            Telecopier No.:
                                            With a copy to:
                                            787 Seventh Avenue
                                            New York, NY 10019
                                            Attention:  Sean Finnegan
                                            Telecopier No.:

                                            COMMERZBANK AG, New York and
                                              Cayman Island Branches,
                                                as Lender

                                            By: /s/ Christian Jagenberg
                                               --------------------------------
                                                Name: Christian Jagenberg
                                                Title: Senior Vice President and
                                                       Manager

                                            By: /s/ Steven F. Larsen
                                               --------------------------------
                                                Name: Steven F. Larsen
                                                Title: Vice President

                                       8
<PAGE>

                                            Address for Notices:
                                            2 World Financial Center
                                            New York, New York 10281-1050
                                            Attention: Christine Hunermund
                                            Telecopier No.:

                                            SANPAOLO IMI S.p.A.,
                                              as Lender

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

                                            By:
                                               --------------------------------
                                                Name:
                                                Title:
                                            Address for Notices:
                                            245 Park Avenue
                                            35th Floor
                                            New York, New York 10167
                                            Attention: Gerardo Suarez/John
                                                       Ferrante
                                            Telecopier No.:

                                            DEXIA PUBLIC FINANCE BANK,
                                                as Lender

                                            By: /s/ Marc Brugiere
                                               --------------------------------
                                                Name: Marc Brugiere
                                                Title: General Manager

                                            By: /s/ Robert N. Sloan, Jr.
                                               --------------------------------
                                                Name: Robert N. Sloan, Jr.
                                                Title: Vice President
                                            Address for Notices:
                                            450 Park Avenue
                                            New York, New York 10022
                                            Attention:  Aida Slabotzky
                                            Telecopier No.:

                                       9
<PAGE>

                                            THE FUJI BANK, LIMITED,
                                              as Lender

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

                                            Address for Notices:
                                            Two World Trade Center
                                            79th Floor
                                            New York, New York 10048
                                            Attention: Tina Catapano/Betty Ali
                                            Telecopier No.:

                                            KBC BANK N.V.,
                                              as Lender

                                            By: /s/ Robert Snauffer
                                               --------------------------------
                                                Name: Robert Snauffer
                                                Title: First Vice President

                                            By: /s/ Patrick A. Janssens
                                               --------------------------------
                                                Name: Patrick A. Janssens
                                                Title: Vice President
                                            Address for Notices:
                                            125 West 55th Street
                                            10th Floor
                                            New York, New York 10019
                                            Attention: Michael Curran
                                            Telecopier No.:

                                            CREDIT LYONNAIS, New York Branch
                                               as Lender

                                            By: /s/ Michael Foren
                                               --------------------------------
                                                Name: Michael Foren
                                                Title: First Vice President

                                            Address for Notices:
                                            1301 Avenue of the Americas
                                            New York, New York 10019
                                            Attention:  Justine Ventrelli
                                            Telecopier No.:

                                       10
<PAGE>

                                            MB FINSTRUTTURE, S.p.A.
                                              as Lender

                                            By: /s/ Massimo di Carlo
                                               --------------------------------
                                                Name: Massimo di Carlo
                                                Title:

                                            By: /s/ Mauro Maia
                                               --------------------------------
                                                Name:Mauro Maia
                                                Title:

                                            Address for Notices:
                                            Piazzetta Enrico Cuccia, 1
                                            Milano, Italy 20121
                                            Attention: Maria Teresa Iardella
                                            Telecopier No.: 39 02 8829 945

                                            ABBEY NATIONAL TREASURY
                                              SERVICES plc,
                                                as Lender

                                            By: /s/ Richard Silva
                                               --------------------------------
                                                Name: Richard Silva
                                                Title: Senior Manager

                                            By:
                                               --------------------------------
                                                Name:
                                                Title:
                                            Address for Notices:
                                            26-28 Dorset Square
                                            London, NW1 6QC
                                            United Kingdom
                                            Attention: Sue Hawkins
                                            Telecopier No.:

                                            AUSTRALIA AND NEW ZEALAND
                                              BANKING GROUP LIMITED,
                                                as Lender

                                            By: /s/ Roy J. Marsden
                                               --------------------------------
                                                Name: Roy J. Marsden
                                                Title: Executive Vice President

                                       11
<PAGE>

                                            Address for Notices:
                                            1177 Avenue of the Americas
                                            New York, New York 10036-2798
                                            Attention: Tessie Amante/Doreen
                                                       Klingenbeck
                                            Telecopier No.:

                                            CIBC INC.,
                                              as Lender

                                            By: /s/ Dennis P. O'Meara
                                               --------------------------------
                                                Name: Dennis P. O'Meara
                                                Title: Executive Director

                                            Address for Notices:
                                            Two Paces West
                                            2727 Paces Ferry Raod
                                            Suite 1200
                                            Atlanta, GA 30309
                                            Attention: Beverly Bowman/Miriam
                                                       McCart
                                            Telecopier No.:

                                            NORDDEUTSCHE LANDESBANK
                                              GIROZENTRALE New York/Grand
                                              Cayman Islands Branches,
                                                as Lender

                                            By: /s/ Stephanie Finnen
                                               --------------------------------
                                                 Name: Stephanie Finnen
                                                 Title: Vice President

                                            By: /s/ Stephen K. Hunter
                                               --------------------------------
                                                Name: Stephen K. Hunter
                                                Title: Senior Vice President

                                       12
<PAGE>

                                            Address for Notices:
                                            1114 Avenue of the Americas
                                            New York, New York 10036
                                            Attention: Stefanie Scholz
                                            Telecopier No.:

                                            THE INDUSTRIAL BANK OF JAPAN,
                                              LIMITED,
                                                as Lender

                                            By: /s/ Michael C. Jones
                                               --------------------------------
                                                Name: Micheal C. Jones
                                                Title: Vice President

                                            Address for Notices:
                                            1251 Avenue of the Americas
                                            New York, New York 10020-1104
                                            Attention:  Richard Emmich
                                            Telecopier No.:

                                            NATIONAL AUSTRALIA BANK
                                              LIMITED, (A.C.N. 004044937)
                                                as Lender

                                            By: /s/ Paul R. Morrison
                                               --------------------------------
                                                Name: Paul R. Morrison
                                                Title: Vice President

                                            Address for Notices:
                                            200 Park Avenue
                                            34th Floor
                                            New York, New York 10166
                                            Attention: Lidia Saniuk/Geraldine
                                                       Harper
                                            Telecopier No.:

                                       13
<PAGE>

                                            BAYERISCHE HYPO-UND
                                              VEREINSBANK AG, New York
                                              Branch,
                                                as Lender

                                            By: /s/ Steven Atwell
                                               --------------------------------
                                                Name: Steven Atwell
                                                Title: Director

                                            By: /s/ Shannon Batchman
                                               --------------------------------
                                                Name: Shannon Batchman
                                                Title: Director
                                            Address for Notices:
                                            150 East 42nd Street
                                            New York, New York 10017
                                            Attention:  Arelis Cepeda
                                            Telecopier No.:

                                            BANK HAPOALIM B.M.,
                                              as Lender

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

                                            By:
                                               --------------------------------
                                                Name:
                                                Title:
                                            Address for Notices:
                                            1177 Avenue of the Americas
                                            New York, New York 10036
                                            Attention:  Donna Gindoff/Ivelis
                                                        Cruz
                                            Telecopier No.:

                                            COBANK, ACB,
                                              as Lender

                                            By: /s/ Jason D. Bauer
                                               --------------------------------
                                                Name: Jason D. Bauer
                                                Title: Assistant Vice President

                                       14
<PAGE>

                                            Address for Notices:
                                            5500 South Quebec Street
                                            Englewood, CO 80111
                                            Attention:  Ryan Spearman
                                            Telecopier No.:

                                            BANKGESELLSCHAFT BERLIN AG,
                                              London Branch
                                                as Lender

                                            By: /s/ Simon Middleton
                                               --------------------------------
                                                Name: Simon Middleton
                                                Title: Associate Director

                                            By: /s/ Philip Nias
                                               --------------------------------
                                                Name: Philip Nias
                                                Title: Director

                                            Address for Notices:
                                            1 Crown Court
                                            Cheapside
                                            London E2C2V 6LR
                                            England
                                            Attention: Penny Neville-Park/
                                                       Collette Hayden
                                            Telecopier No.:

                                            NATEXIS BANQUES POPULAIRES,
                                              as Lender

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

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

                                       15
<PAGE>

                                            Address for Notices:
                                            645 Fifth Avenue
                                            20th Floor
                                            New York, New York 10022
                                            Attention:  Endina Barletta
                                            Telecopier No.:

                                            COMPAGNIE FINANCIERE DE CIC ET
                                              DE L'UNION EUROPEENNE,
                                               as Lender

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

                                            By:
                                               --------------------------------
                                                Name:
                                                Title:
                                            Address for Notices:
                                            4 Rue Gaillon
                                            F-75002 Paris
                                            France
                                            Attention: Annick Merard
                                            Telecopier No.:

                                            MELLON BANK, N.A.,
                                              as Lender

                                            By: /s/ Mark W. Rogers
                                               --------------------------------
                                                Name: Mark W. Rogers
                                                Title:

                                            Address for Notices:
                                            Three Mellon Bank Center
                                            Rom 1203
                                            Pittsburgh, PA 15259-0003
                                            Attention: Loan Administration Dept.
                                            Telecopier No.:

                                       16
<PAGE>

                                            CHANG HWA COMMERCIAL BANK,
                                              LTD.,
                                              as Lender

                                            By: /s/ James Lin
                                               --------------------------------
                                                Name: James Lin
                                                Title: Senior Vice President and
                                                       General Manger

                                            Address for Notices:
                                            333 South Grand Avenue
                                            Suite 600
                                            Los Angeles, CA 90071
                                            Attention: Jean Luu
                                            Telecopier No.:

                                            BANK OF CHINA, NEW YORK,
                                              as Lender

                                            By:
                                               --------------------------------
                                                Name:
                                                Title:
                                            Address for Notices:
                                            410 Madison Avenue
                                            New York, New York 10017
                                            Attention:  Kevin Cheung
                                            Telecopier No.:

                                            ERSTE BANK DER
                                               OESTERREICHISCHEN
                                               SPARKASSEN AG, New York Branch
                                                 as Lender

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

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

                                            Address for Notices:
                                            280 Park Avenue, West Building
                                            New York, NY 10017
                                            Attention: Patrick Kunkel
                                            Telecopier No.:

                                       17

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