Document:

<PAGE>

                                                                 Exhibit 10.99.1

SCHEDULE IDENTIFYING SUBSTANTIALLY IDENTICAL AGREEMENT(S)  TO EXHIBIT 10.99
---------------------------------------------------------------------------

Amendment One, dated as of May 9, 2000, by and among Collins Holdings EME, LLC,
Collins Trust II, Wilmington Trust Company, Collins Generation II, LLC, Edison
Mission Midwest Holdings Co., Midwest Generation, LLC, Midwest Funding LLC,
Bayerische Landesbank International S.A., Bayerische Landesbank Girozentrale and
Citibank, N.A.

Amendment One, dated as of May 9, 2000, by and among Collins Holdings EME, LLC,
Collins Trust III, Wilmington Trust Company, Collins Generation III, LLC, Edison
Mission Midwest Holdings Co., Midwest Generation, LLC, Midwest Funding LLC,
Bayerische Landesbank International S.A., Bayerische Landesbank Girozentrale and
Citibank, N.A.

Amendment One, dated as of May 9, 2000, by and among Collins Holdings EME, LLC,
Collins Trust IV, Wilmington Trust Company, Collins Generation IV, LLC, Edison
Mission Midwest Holdings Co., Midwest Generation, LLC, Midwest Funding LLC,
Bayerische Landesbank International S.A., Bayerische Landesbank Girozentrale and
Citibank, N.A.<PAGE>

                                                                  EXHIBIT 10.100

                                                                  EXECUTION COPY

                                  AMENDMENT TWO

         AMENDMENT TWO (this "AMENDMENT") dated as of June 23, 2000 by and
among, (i) COLLINS HOLDINGS EME, LLC ("COLLINS HOLDINGS"), (ii) COLLINS TRUST I,
as the Owner Lessor, (iii) WILMINGTON TRUST COMPANY, as the Owner Trustee, (iv)
COLLINS GENERATION I, LLC, as the Owner Participant, (v) EDISON MISSION MIDWEST
HOLDING CO. ("HOLDINGS"), (vi) MIDWEST GENERATION, LLC ("MIDWEST"), (vii)
MIDWEST FUNDING LLC ("FUNDING LLC"), (viii) BAYERISCHE LANDESBANK INTERNATIONAL
S.A., as the Midwest LC Issuer, (ix) BAYERISCHE LANDESBANK GIROZENTRALE, as the
RCE LC Issuer and (x) CITIBANK, N.A., as Holder Representative.

                  WHEREAS, Collins Holdings, the Owner Lessor, Owner Trustee,
the Owner Participant, Holdings, Midwest, Funding LLC, the Midwest LC Issuer,
the RCE LC Issuer and the Holder Representative have entered into that certain
Participation Agreement (T1), dated as of December 15, 1999 (as heretofore
amended, modified and supplemented, the "PARTICIPATION AGREEMENT"), which set
forth, INTER ALIA, certain covenants of Holdings;

                  WHEREAS, Holdings desires to enter into the Synthetic Lease
Transaction (as defined herein); and

                  WHEREAS, Holdings has requested, and Collins Holdings, the
Owner Lessor, Owner Trustee, Owner Participant, Midwest, Funding LLC, the
Midwest LC Issuer, the RCE LC Issuer and the Holder Representative have agreed,
to amend and waive certain provisions of the Participation Agreement so as to
permit the Synthetic Lease Transaction;

                  WHEREAS, Holdings has requested, and Collins Holdings, the
Owner Lessor, Owner Trustee, Owner Participant, Midwest, Funding LLC, the
Midwest LC Issuer, the RCE LC Issuer and the Holder Representative have agreed,
to clarify the definitions of Fixed Charges and Operating Expenses;

               AMENDMENT TWO TO PARTICIPATION AGREEMENT (T1)

<PAGE>

                  NOW, THEREFORE, the parties hereto agree as follows:

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

                  Section 2. AMENDMENT TO THE PARTICIPATION AGREEMENT. Subject
to the satisfaction of the conditions precedent specified in Section 4 below,
but effective as of the Amendment Effective Date, the Participation Agreement
shall be amended as follows:

         (a) APPENDIX A to the Participation Agreement shall be amended by
adding the following definitions:

                  ""COMED SYNTHETIC LEASE CONSENT" shall mean the Consent to
                  Sale of Assets between Midwest and ComEd referred to in the
                  Synthetic Lease Basic Documents.

                  "INCREMENTAL SYNTHETIC LEASE ENVIRONMENTAL INDEMNITY PAYMENTS"
                  shall mean Synthetic Lease Environmental Indemnity Obligations
                  paid to Indemnitees that would not otherwise have been borne
                  by Midwest had the Synthetic Lease Transaction not been
                  consummated and Midwest been both the owner and the operator
                  of Synthetic Lease Assets.

                  "SYNTHETIC LEASE" shall mean the Lease Agreement dated as of
                  June 23, 2000 between Midwest and Synthetic Lease Trust.

                  "SYNTHETIC LEASE ASSETS" shall mean certain electric
                  generating turbines further described in the Synthetic Lease
                  Participation Agreement as the "Leased Equipment".

                  "SYNTHETIC LEASE BASIC DOCUMENTS" shall mean the Basic
                  Documents as defined in the Synthetic Lease Participation
                  Agreement.

                  "SYNTHETIC LEASE ENVIRONMENTAL INDEMNITY OBLIGATIONS" shall
                  mean Synthetic Lease Liabilities consisting of liabilities or
                  obligations with

<PAGE>

                  respect to Section 6.2 or 6.7 of the Synthetic Lease
                  Participation Agreement that by virtue of Section 6.8 of the
                  Synthetic Lease Participation Agreement and the Synthetic
                  Lease Guarantee are not liabilities or obligations of Edison
                  Mission Energy.

                  "SYNTHETIC LEASE GUARANTEE" shall mean the Guaranty Agreement
                  dated as of June 23, 2000 made by Edison Mission Energy in
                  favor of the Synthetic Lease Trust that, among other things,
                  guarantees the payment by Midwest of all Synthetic Lease
                  Liabilities other than Synthetic Lease Environmental Indemnity
                  Obligations.

                  "SYNTHETIC LEASE INTERCOMPANY NOTE" shall mean the
                  Intercompany Note dated the Closing Date (as defined in the
                  Synthetic Lease Participation Agreement) evidencing the loan
                  by Midwest to Edison Mission Energy of the proceeds of the
                  Synthetic Lease Transaction (net of transaction expenses paid
                  by Midwest in connection with the Synthetic Lease
                  Transaction).

                  "SYNTHETIC LEASE INTERCOMPANY NOTE PAYMENTS" shall mean the
                  payments by Edison Mission Energy to Midwest under or in
                  respect of the Synthetic Lease Intercompany Note.

                  "SYNTHETIC LEASE LIABILITIES" shall mean the basic rent, the
                  supplemental rent or any other amount, liability or
                  obligation that Midwest is obligated to pay under the
                  Synthetic Lease or the other Synthetic Lease Basic Documents,
                  including, without limitation, Synthetic Lease Environmental
                  Indemnity Obligations.

                  "SYNTHETIC LEASE PARTICIPATION AGREEMENT" shall mean the
                  Participation Agreement dated as of June 23, 2000 by and
                  among Midwest, Edison Mission Energy, the Synthetic Lease
                  Trust, investors party thereto, noteholders party thereto,
                  Wilmington Trust Company, and [Citicorp North America, Inc.],
                  as Agent.

                  "SYNTHETIC LEASE TRANSACTION" shall mean the transaction
                  pursuant to the Synthetic Lease Participation Agreement and
                  the Synthetic Lease Basic Documents whereby Midwest sells the
                  Synthetic Lease Assets

                                      -3-
<PAGE>

                  to the Synthetic Lease Trust and the Synthetic Lease Trust
                  leases the Synthetic Lease Assets to Midwest under the
                  Synthetic Lease.

                  "SYNTHETIC LEASE TRUST" shall mean EME/CDL Trust, a Delaware
                  statutory business trust.".

         (b) APPENDIX A of the Participation Agreement shall be further amended
by deleting the definitions of "CASH FLOW AVAILABLE FOR FIXED CHARGES", "DEBT TO
CAPITAL RATIO", "FIXED CHARGES" and "OPERATING EXPENSES" in their entirety and
replacing them with the following definitions:

                  ""CASH FLOW AVAILABLE FOR FIXED CHARGES" shall mean, in
                  respect of any period, the excess, if any, of Revenues
                  (excluding (i) proceeds of any permitted asset sale, (ii)
                  amounts available in the Cashflow Recapture Fund and (iii)
                  Synthetic Lease Intercompany Note Payments) during such
                  period OVER Operating Expenses during such period.

                  "DEBT TO CAPITAL RATIO" shall mean, with respect to Holdings
                  and its Consolidated Subsidiaries, the ratio as of the end of
                  the last Fiscal Quarter for which financial statements are
                  available of (i) the aggregate principal amount of
                  Indebtedness of Holdings and its Consolidated Subsidiaries
                  (other than Indebtedness of Holdings incurred pursuant to
                  SECTION 8.1(b)(iii) and SECTION 8.1(i)) then outstanding to
                  (ii) Total Capitalization (excluding, to the extent included,
                  the Synthetic Lease Intercompany Note and payments by Edison
                  Mission Energy pursuant to the Synthetic Lease Guarantee).

                  "FIXED CHARGES" shall mean, 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 of the Holdings Credit Agreement 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 of the Holdings Credit Agreement during such
                  period, (iv)

                                      -4-
<PAGE>

                  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 (x) Capital Lease
                  Liabilities and Operating Lease Liabilities permitted under
                  SECTION 8.1(b)(i) hereof and (y) Synthetic Lease Liabilities)
                  permitted under SECTION 8.1 hereof during such period.

                  "OPERATING EXPENSES" shall mean, 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 Holdings, Midwest or
                  Collins Holdings. Operating Expenses shall exclude (to the
                  extent included) Lease Obligations and Synthetic Lease
                  Liabilities (other than payments of Synthetic Lease
                  Environmental Indemnity Obligations) and shall include (to the
                  extent excluded) Capital Lease Liabilities and Operating Lease
                  Liabilities permitted under SECTION 8.1(B)(i) hereof (other
                  than Lease Obligations).".

         (c) SECTION 8.1(b) of the Participation Agreement shall be deleted and
replaced in its entirety with the following:

                  "(b)(i) Capitalized Lease Liabilities and Operating Lease
                  Liabilities outstanding (or anticipated to be outstanding) on
                  the Closing Date and set forth on SCHEDULE 8.2.1(a) to the
                  Holdings Credit Agreement, (ii) Capitalized Lease Liabilities
                  and Operating Lease Liabilities entered into after the Closing
                  Date in the ordinary course of business not to exceed at any
                  time an aggregate principal amount equal to $50,000,000 and
                  (iii) Synthetic Lease Liabilities;".

                                      -5-
<PAGE>

         (d) SECTION 8.2 of the Participation Agreement shall be amended by (i)
deleting the period at the end of SECTION 8.2(m) of the Participation Agreement
and replacing it with the following: "; and"; and (ii) adding SUBSECTION 8.2(n)
to SECTION 8.2 of the Participation Agreement as follows:

                  "(n) Liens created pursuant to the Synthetic Lease Basic
                  Documents.".

         (e) SECTION 8.4 of the Participation Agreement shall be amended by
deleting SECTION 8.4(iv) of the Participation Agreement and replacing it in its
entirety with the following subsections:

                  "(iv) transfer certain railcars or rights to railcars as part
                  of the Transco Transaction and (v) sell Synthetic Lease Assets
                  to Synthetic Lease Trust pursuant to the Synthetic Lease Basic
                  Documents; PROVIDED, FURTHER, that any Asset Disposition
                  pursuant to CLAUSES (i), (ii), (iii), (iv) and (v) of this
                  proviso shall not be included in the calculation of the
                  aggregate net book value of assets sold pursuant to this
                  SECTION 8.4.".

         (f) SECTION 8.5 of the Participation Agreement shall be amended by (i)
deleting the period at the end of SECTION 8.5(iv) of the Participation Agreement
and replacing it with the following: "; and"; and (ii) adding SUBSECTION 8.5(v)
to SECTION 8.5 of the Participation Agreement as follows:

                  "(v) Investments evidenced by the Synthetic Lease Intercompany
                  Note.".

         (g) SECTION 8.6 of the Participation Agreement shall be amended by
adding the following sentence at the end of the section:

                  "Notwithstanding the foregoing, the Synthetic Lease
                  Transaction and the transactions contemplated by the Synthetic
                  Lease Basic Documents shall be deemed not to be a Transaction
                  with an Affiliate for the purposes of this SECTION 8.6.".

                                      -6-
<PAGE>

         (h) SECTION 8.12 of the Participation Agreement shall be amended by
adding the following sentence at the end of Section 8.12 of the Participation
Agreement:
                  "Notwithstanding the foregoing, so long as no Event of Loss or
                  Lease Event of Default shall have occurred and be continuing,
                  Holdings or its Subsidiaries may make a Restricted Payment to
                  Edison Mission Energy on or within 30 days after the date 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 8.12); PROVIDED that, in the
                  event that Midwest pays Incremental Synthetic Lease Environ-
                  mental Indemnity Payments, the aggregate amount of Restricted
                  Payments payable in accordance with this sentence (but not
                  otherwise in accordance with this Section 8.12) shall be
                  reduced by a like amount.".

         (i) SECTION 8 of the Participation Agreement shall be amended by adding
SECTION 8.13 to the Participation Agreement as follows:

                  "SECTION 8.13 SYNTHETIC LEASE BASIC DOCUMENTS. Holdings shall
                  not, and shall not permit any of its Subsidiaries, to agree or
                  consent to any termination, amendment, modification or waiver
                  of (a) Section 6.8 or 7.2 of the Synthetic Lease Participation
                  Agreement, (b) the definition of "Free Cashflow" set forth in
                  the Synthetic Lease Basic Documents or (c) or any other
                  provision of the Synthetic Lease Basic 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 Synthetic Lease
                  Basic Documents in any material respect.".

                  Section 3.  AUTHORIZATION OF AMENDMENT OF FACILITY LEASE AND
FACILITY SUBLEASE.

         (a) Collins Holdings, the Owner Lessor, the Owner Participant and the
Holder Representative hereby authorize amendments to that certain Facility Lease
Agreement (T1), dated as of December 15, 1999, by and among the Owner Lessor,

                                      -7-
<PAGE>

the Owner Participant and Collins Holdings (as heretofore amended, modified and
supplemented, the "FACILITY LEASE"), substantially in the form of Exhibit A
hereto.

         (b) The Holder Representative, Collins Holdings, the Owner Participant,
the Owner Lessor and Midwest hereby authorize that the amendments to the
Facility Lease authorized by paragraph (a) of this Section 3 will effect
corresponding amendments to the terms of that certain Facility Sublease
Agreement (T1), dated as of December 15, 1999, by and among Collins Holdings,
Midwest and the Owner Lessor (as heretofore amended, modified and supplemented,
the "FACILITY SUBLEASE").

                  Section 4. 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:

         (a) Delivery to the parties hereto of this Amendment duly executed and
         delivered by each other party hereto;

         (b) Delivery to Owner Lessor, Owner Trustee, Owner Participant, Funding
         LLC, the Midwest LC Issuer, the RCE LC Issuer and the Holder
         Representative of the Synthetic Lease Basic Documents in form and
         substance satisfactory to the recipients;

         (c) All conditions precedent to effectuate the Synthetic Lease
         Transaction have been satisfied (including delivery of the ComEd
         Synthetic Lease Consent) or waived;

         (d) The Owner Lessor, Owner Trustee, Owner Participant, Funding LLC,
         the Midwest LC Issuer, the RCE LC Issuer and the Holder Representative
         shall have received opinions, dated the Amendment Effective Date and
         addressed to the recipients from (i) the general counsel to Holdings,
         Midwest and Collins Holdings, (ii) the special New York counsel to
         Holdings, Midwest and Collins Holdings and (iii) Federal Energy
         Regulatory Commission counsel to the Holdings, Midwest and Collins
         Holdings. Each such opinion shall be in form and substance reasonably
         satisfactory to the recipients;

         (e) The representations and warranties of Holdings, Midwest and Collins
         Holdings as set forth in the Participation Agreement, shall be true and
         correct as of the Amendment Effective Date after giving effect to the

                                      -8-
<PAGE>

         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
         (f) As of the Amendment Effective Date, no Lease Event of Default, or
         Event of Loss or event that, with passage of time or giving of notice
         or both, would constitute a Lease Event of Default or an Event of Loss,
         shall have occurred and be continuing.

                  Section 5. MISCELLANEOUS. Except as expressly amended hereby,
all of the terms and provisions of the Participation 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.

                                      -9-
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed and delivered by their respective officers thereunto duly authorized.

                                   COLLINS HOLDINGS EME, LLC

                                   By: /s/ John P. Finneran, Jr.
                                       -------------------------
                                       Name:    John P. Finneran, Jr.
                                       Title:   Vice President
                                       Date:    July 10, 2000

                                   COLLINS TRUST I

                                   By: Wilmington Trust Company,
                                   not in its individual capacity but solely
                                   as Owner Trustee

                                   By: /s/ Anita Dallago
                                       -----------------
                                       Name:    Anita Dallago
                                       Title:  Financial Services Officer
                                       Date:   July 10, 2000

                                   WILMINGTON TRUST COMPANY, not in its
                                   individual capacity, except as ex pressly
                                   provided herein, but solely as Owner Trustee

                                   By: /s/ Anita Dallago
                                       -----------------
                                       Name:    Anita Dallago
                                       Title:  Financial Services Officer
                                       Date:   July 10, 2000

                                   COLLINS GENERATION I, LLC

<PAGE>

                                   By: /s/ Eileen A. Moran
                                       -------------------
                                       Name:    Eileen A. Moran
                                       Title:   President
                                       Date:    July 10, 2000

                                   EDISON MISSION MIDWEST HOLDINGS
                                   CO.,

                                   By: /s/ John P. Finneran
                                       --------------------
                                       Name:    John P. Finneran
                                       Title:   Vice President
                                       Date:    July 10, 2000

                                   MIDWEST GENERATION, LLC

                                   By: /s/ John P. Finneran
                                       --------------------
                                       Name:    John P. Finneran
                                       Title:   Vice President
                                       Date:    July 10, 2000

                                   CITIBANK, N.A.
                                   not in its individual capacity, but solely as
                                   Holder Representative

                                   By: /s/ Jenny Cheng
                                       ---------------
                                       Name:    Jenny Cheng
                                       Title:   Vice President
                                       Date:    July 10, 2000

                                   MIDWEST FUNDING LLC

<PAGE>

                                   By: /s/ Dwight Jenkins
                                       ------------------
                                       Name: Dwight Jenkins
                                       Title: Vice President
                                       Date: July __, 2000

                                   BAYERISCHE LANDESBANK
                                   INTERNATIONAL S.A., a banking institution
                                   organized under the laws of Luxembourg,
                                   as issuer of the Midwest Letter of Credit

                                      By: /s/ Peter Lang
                                          --------------
                                          Name:  Peter Lang
                                                 ----------------------
                                             Title:  Senior Manager
                                                    -----------------
                                             Date:  June 27, 2000

                                      By:  /s/ Klaus Ense
                                           ----------------------
                                          Name: Klaus Ense
                                          Title:      Manager
                                                ------------------
                                          Date:  June 27, 2000

                                   BAYERISCHE LANDESBANK GIROZENTRALE,
                                   as issuer of the RCE Letter of Credit

                                      By: /s/ C. Stolarski
                                          ---------------------------------
                                          Name: C. Stolarski
                                                ---------------------------
                                          Title:    Vice President
                                                 --------------------------
                                          Date:  June 27, 2000

                                      By: /s/ D. Rieg
                                          ---------------------------------
                                          Name:     D. Rieg
                                                ---------------------------
                                          Title:     First Vice President
                                                 --------------------------
                                          Date:  June 27, 2000

<PAGE>

                                                                       EXHIBIT A

                                   FORM OF AMENDMENT TO FACILITY LEASE AGREEMENT

                                  AMENDMENT ONE

         AMENDMENT ONE (this "AMENDMENT") dated as of July [__], 2000 by and
between Collins Trust I (the "OWNER LESSOR") and Collins Holdings EME, LLC (the
"FACILITY LESSEE").

         WHEREAS, the Owner Lessor and the Facility Lessee have entered into
that certain Facility Lease Agreement (T1), dated as of December 15, 1999 (as
amended, supplemented or otherwise modified from time to time and in accordance
with the provisions thereof, the "FACILITY LEASE").

         WHEREAS, the Owner Lessor, the Facility Lessee, Wilmington Trust
Company, Collins Generation I, LLC, Edison Mission Midwest Holdings Co.,
Midwest, Midwest Funding LLC, Bayerische Landesbank International S.A.,
Bayerische Landesbank Girozentrale and Citibank, N.A. have entered into that
certain Participation Agreement, dated as of December 15, 1999 (as amended,
supplemented or otherwise modified from time to time and in accordance with the
provisions thereof, the "PARTICIPATION AGREEMENT").

         WHEREAS, Midwest desires to enter into the Synthetic Lease Transaction;

         WHEREAS, Midwest has requested, and the Owner Lessor and the Facility
Lessee have agreed, to amend and waive certain provisions of the Facility Lease
so as to permit the Synthetic Lease Transaction; and

         WHEREAS, Midwest has requested, and the other parties to the
Participation Agreement have agreed, in that certain Amendment Two, dated as of
June 23, 2000, by and among the parties to the Participation Agreement,
("AMENDMENT TWO TO THE PARTICIPATION AGREEMENT"), to amend and waive certain
provisions of the Participation Agreement so as to permit the Synthetic Lease
Transaction;

         NOW, THEREFORE, the parties hereto agree as follows:

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

         Section 2. AMENDMENT TO THE FACILITY LEASE. Subject to the satisfaction
of the conditions precedent specified in Section 3 below, but effective as of
the Amendment Effective Date, the Facility Lease shall be amended as follows:

<PAGE>

         (a) SECTION 16(h) of the Facility Lease shall be amended by inserting
         the following phrase immediately after the phrase "but excluding
         obligations arising under the Operative Documents" in the second line
         of SECTION 16(h) of the Facility Lease:

         ", Synthetic Lease Liabilities".

         (b) SECTION 16 of the Facility Lease shall be amended by adding Section
         16(u) to the Facility Lease as follows:

         "(u) The Synthetic Lease Trust shall have commenced to exercise
         remedies in accordance with Section 15 of the Synthetic Lease to
         terminate the Synthetic Lease and repossess any of the Synthetic Lease
         Assets.".

         Section 3. CONDITIONS PRECEDENT. This Amendment shall not become
effective until the date (the "AMENDMENT EFFECTIVE DATE") on which each of the
following conditions precedent has been satisfied:

         (a) Delivery to the parties hereto of this Amendment duly executed and
         delivered by each other party hereto;

         (b) All conditions precedent contained in Section 4 of Amendment Two to
         the Participa tion Agreement have been satisfied.

         Section 4. MISCELLANEOUS. Except as expressly amended hereby, all of
      the terms and provisions of the Facility Lease 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 and delivered by their respective officers thereunto duly authorized.

                                   COLLINS HOLDINGS EME, LLC

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

                                   COLLINS TRUST I

                                   By: Wilmington Trust Company,
                                       not in its individual capacity but solely
                                       as Owner Trustee

                                   By:
                                       ---------------------------
                                       Title:
                                       Date:

                                   WILMINGTON TRUST COMPANY,
                                   not in its individual capacity, except as
                                   expressly provided herein, but solely as
                                   Owner Trustee

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

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