EXELON CORP
U-1/A, 2000-09-20
ELECTRIC & OTHER SERVICES COMBINED
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<PAGE>

   As filed with the Securities and Exchange Commission on September 20, 2000

                                                             File No.1.070-09693

                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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

                                AMENDMENT NO. 1
                                       TO
                        FORM U-1 APPLICATION-DECLARATION
                                     UNDER
                 THE PUBLIC UTILITY HOLDING COMPANY ACT OF 1935

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

                              Exelon Corporation
                (and Subsidiaries identified on Signature Page)
                           10 South Dearborn Street
                                  37th Floor
                               Chicago, IL 60603
            (Name of company filing this statement and address of
                         principal executive offices)

<TABLE>
<C>                                             <S>
______________________________________________________________________________________________

              John W. Rowe                                  Corbin A. McNeill, Jr.
 Chairman, President and Chief Executive             Chairman, President and Chief Executive
                 Officer                                            Officer
           Unicom Corporation                                 PECO Energy Company
        10 South Dearborn Street                              2301 Market Street
               37th Floor                                        P.O. Box 8699
            Chicago, IL 60603                               Philadelphia, PA 19101
</TABLE>

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

     The Commission is requested to send copies of all notices, orders and
      communications in connection with this Application-Declaration to:

  Rebecca J. Lauer                     James W. Durham
  Vice President and General Counsel   Senior Vice President and General Counsel
  Unicom Corporation                   PECO Energy Company
  10 South Dearborn Street             2301 Market Street
  37th Floor                           P.O. Box 8699
  Chicago, IL 60603                    Philadelphia, PA 19101

  William J. Harmon                    Kevin P. Gallen
  Jones, Day, Reavis & Pogue           Morgan, Lewis & Bockius LLP
  77 West Wacker                       1800 M Street, N.W.
  Suite 3500                           Washington, DC 20036-5869
  Chicago, IL 60601
<PAGE>

                               Table of Contents

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Item 1.           Description of the Proposed Transaction........................................................  1

         A.       Introduction and General Request...............................................................  1

                  1.   Introduction..............................................................................  1

                  2.   General Request...........................................................................  1

         B.       Description of the Parties to the Transaction..................................................  2

         C.       Overview of the Financing Request..............................................................  3

         D.       Parameters for Financing Authorization.........................................................  5

                  1.   Effective Cost of Money...................................................................  5

                  2.   Maturity of Debt and Final Redemption on Preferred Securities.............................  5

                  3.   Issuance Expenses.........................................................................  5

                  4.   Use of Proceeds...........................................................................  6

                  5.   Financial Condition.......................................................................  6

         E.       Description of Specific Types of Financing.....................................................  8

                  1.   Exelon External Financing.................................................................  8

                           (a)      Common Stock.................................................................  8

                                    i.      General..............................................................  8

                                    ii.     Acquisitions.........................................................  9

                           (b)      Preferred Securities.........................................................  9

                           (c)      Long-Term Debt............................................................... 10

                           (d)      Short-Term Debt.............................................................. 12

                           (e)      Total Financing Sought....................................................... 12

                           (f)      Financing Risk Management Devices............................................ 13

                                    i.      Interest Rate Risk................................................... 13

                                    ii.     Anticipatory Hedges.................................................. 13

                                    iii.    Accounting Standards................................................. 14
</TABLE>
<PAGE>

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                  2.   Financing Subsidiaries.................................................................... 14

                  3.   Utility Subsidiary Financing.............................................................. 16

                           (a)      Short-Term Debt.............................................................. 16

                           (b)      Genco Financing and Assumption of Indebtedness............................... 17

                           (c)      Financing Risk Management Devices............................................ 19

                  4.   Non-Utility Subsidiary Financings......................................................... 19

                  5.   Guarantees, Intra-system Advances and Intra-System Money Pool............................. 20

                           (a)      Guarantee and Intra-system Advances.......................................... 20

                           (b)      Non-Utility Subsidiary Guarantees............................................ 22

                           (c)      Authorization and Operation of the Money Pools............................... 22

                                    i.      Utility Money Pool................................................... 23

                                    ii.     Non-Utility Money Pool............................................... 25

                                    iii.    Other Contributions to Money Pool.................................... 25

                                    iv.     Operation of the Money Pools and Administrative Matters.............. 25

                                    v.      Use of Proceeds...................................................... 26

                           (d)      Intra-System Financing....................................................... 26

                  6.   Changes in Capital Stock of Majority Owned Subsidiaries................................... 27

                  7.   Conduit Financing of Genco and Enterprises through Ventures and Exelon Energy Delivery.... 27

         F.       Payment of Dividends out of Capital or Unearned Surplus by ComEd, PECO or Exelon............... 27

                  1.   Request for Authority to Pay Dividends.................................................... 27

                  2.   Reasons for Reductions in Retained Earnings............................................... 28

                  3.   Standards for Approval of Request......................................................... 31

         G.       Rule 53 and Rule 54 Analysis................................................................... 34

                  1.   Rule 53 Requirements...................................................................... 34

                  2.   Exelon's Compliance with Rule 53 Requirements............................................. 35
</TABLE>

                                       ii
<PAGE>

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                  3.   Exelon Rule 53 Undertakings............................................................... 48

                  4.   Rule 54 Analysis.......................................................................... 49

         H.       Dividend Reinvestment Plan..................................................................... 49

         I.       Employee Stock-Based Plans..................................................................... 50

         J.       Payment Of Dividends by Non-Utility Subsidiaries Out Of Capital And Unearned Surplus........... 52

         K.       Filing of Certificates of Notification......................................................... 53

Item 2.           Fees, Commissions and Expenses................................................................. 54

Item 3.           Applicable Statutory Provisions................................................................ 54

Item 4.           Regulatory Approvals........................................................................... 54

Item 5.           Procedure...................................................................................... 55

Item 6.           Exhibits and Financial Statements.............................................................. 55

         A.       Exhibits....................................................................................... 55

         B.       Financial Statements........................................................................... 58

Item 7.           Information as to Environmental Effects........................................................ 59
</TABLE>

                                      iii
<PAGE>

Item 1.             Description of the Proposed Transaction

     A.   Introduction and General Request

          1.  Introduction

          Exelon Corporation, a Pennsylvania Corporation ("Exelon"), filed an
Application-Declaration on Form U-1 (File No.70-09645) on March 16, 2000 (as
amended, the "Merger U-1") with the Securities and Exchange Commission (the
"Commission") under Section 9(a)(2) and Section 10 of the Public Utility Holding
Company Act of 1935, as amended (the "Act"), seeking approvals relating to the
proposed acquisition by Exelon of all the common stock of Commonwealth Edison
Company ("ComEd"), an electric utility company, and currently a subsidiary of
Unicom Corporation ("Unicom"); of PECO Energy Company ("PECO"), an electric and
gas utility company; of Exelon Generation Company, LLC ("Genco"), to which the
generating assets of ComEd and PECO will be transferred, each of which will be
an electric utility company; and, indirectly of the public utility subsidiaries
of ComEd and PECO.  Exelon will register as a holding company under the Act upon
the consummation of the proposed acquisition contemplated in the Merger U-1.
The transaction contemplated in the Merger U-1 are referred to therein as the
Merger and the Restructurings and those terms are used herein with the same
meanings.

          Each of the entities that will be directly or indirectly owned
subsidiaries of Exelon upon consummation of the acquisition described in the
Merger U-1 is referred to herein individually as a "Subsidiary" and collectively
as "Subsidiaries." For purposes hereof, "Subsidiary" and "Subsidiaries" shall
also include other direct or indirect subsidiaries that Exelon may form after
the Merger with the approval of the Commission, pursuant to the Rule 58
exemption or pursuant to Sections 32, 33 or 34 of the Act.  Exelon and the
Subsidiaries are sometimes hereinafter collectively referred to as the "Exelon
System" or as the "Applicants."  For purposes of section E.5., "Money Pool," the
term "Subsidiary" or "Subsidiaries" shall include only the companies
specifically referred to on the cover and named on the signature page of this
Application/Declaration.  The Commission is asked to reserve jurisdiction over
the participation in the relevant money pool of future companies formed by
Exelon until a specific post-effective amendment is filed, naming the subsidiary
to be added as a participant in the relevant money pool.

          2.  General Request

          This Application/Declaration seeks the authorization and approval of
the Commission with respect to the ongoing financing activities, the provision
of intra-system services and guarantees, and other matters pertaining to Exelon
and its Subsidiaries after giving effect to the Merger and registration of
Exelon as a holding company./1/ Specifically, this Application-Declaration seeks
the following authorizations and approvals of the Commission:

______________

/1/ Exelon has filed a separate Application-Declaration on Form U-1 in Docket
70-9691 (the "Investment U-1") seeking authorization to make certain
acquisitions in non-utility subsidiaries and related matters.
<PAGE>

          .  In order to ensure that the Exelon System is able to meet its
             capital requirements immediately following registration and plan
             its future financing, Exelon and its Subsidiaries hereby request
             authorization for financing transactions for the period beginning
             with the effective date of an order issued pursuant to this filing
             and continuing to and including March 31, 2004 (the "Authorization
             Period").

          .  Exelon also requests that the Commission approve the issuance of 21
             million shares of common stock under dividend reinvestment and
             stock-based management incentive and employee benefit plans
             pursuant to Sections 6(a) and 7 of the Act, all as more
             specifically described below.

          .  Exelon also requests the Commission approve the aggregate financing
             request in the amount of $8 billion/2/ outstanding at any time,
             representing financing authorizations relating to equity
             securities, preferred securities and debt, plus an aggregate $2.7
             billion outstanding at any time in short-term financing capacity
             for the Utility Subsidiaries as more fully described in this
             Application-Declaration for Exelon and its Subsidiaries.

          .  Exelon also requests the Commission approve the issuance by Exelon
             and certain Subsidiaries of guarantees in an aggregate amount not
             to exceed $4.5 billion outstanding at any time in exposure as more
             fully described below.

          .  Exelon also requests the authorization and approval of the
             Commission under other sections of the Act and applicable rules and
             regulations of the Commission promulgated thereunder with respect
             to intra-system guarantees, the formation and operation of a
             Utility Money Pool and a Non-Utility Money Pool and the payment of
             dividends out of capital or unearned surplus by Exelon and certain
             Subsidiaries as more fully described in this Application-
             Declaration.

     B.   Description of the Parties to the Transaction

          Following the consummation of the Merger and Restructurings, Exelon
will have three principal operating public utility company subsidiaries (the
"Utility Subsidiaries")/3/:

          .  PECO, a public utility company engaged (i) in the transmission,
             distribution and sale of electricity and (ii) in the purchase and
             sale of natural gas in Pennsylvania;

______________

/2/ Exelon seeks approval for additional financing in the amount of $4 billion
at the present time and requests the Commission to reserve jurisdiction with
respect to the balance of $4 billion until such time as the record is complete.

/3/ For purposes of this filing, "Utility Subsidiaries" also includes
Commonwealth Edison Company of Indiana, Peco Energy Power Company, Susquehanna
Power Company and Susquehanna Electric Company.

                                       2
<PAGE>

          .  ComEd, a public utility company engaged in the transmission,
             distribution and sale of electricity in Illinois;

          .  Genco, a public utility company engaged in the generation and sale
             of electricity in Pennsylvania, Illinois and elsewhere./4/

          In addition, Exelon will have the following other principal
Subsidiaries/5/:

          .  Exelon Business Services Company ("Exelon Services"), the service
             company for the Exelon System;

          .  Exelon Energy Delivery Company ("Exelon Energy Delivery") which
             will serve as a holding company for ComEd and PECO;

          .  Exelon Ventures Company ("Ventures"), a non-utility company and a
             first tier Subsidiary of Exelon which will have as wholly-owned
             subsidiaries, Genco and Exelon Enterprises Company, LLC
             ("Enterprises")/6/; and

          .  Enterprises, the principal Subsidiary through which Exelon will
             conduct its non-utility businesses. Enterprises will have as
             subsidiaries the existing non-utility subsidiaries of Unicom and
             PECO, other than PECO's interest in AmerGen.

     A list of Exelon's other Subsidiaries is set forth in the Merger U-1 and
the exhibits thereto.  All of Exelon's direct and indirect Subsidiaries, other
than the Utility Subsidiaries, are herein called the "Non-Utility Subsidiaries."

C.  Overview of the Financing Request

          The Applicants hereby request authorization to engage in the financing
transactions set forth herein during the Authorization Period.  The approval by
the Commission of this Application/Declaration will give the Applicants the
flexibility that will allow them to respond quickly and efficiently to their
financing needs and to changes in market conditions, allowing them to
efficiently and effectively carry on competitive business activities designed to
provide benefits to customers and shareholders.  Approval of this
Application/Declaration is

______________

/4/ See the Merger U-1 regarding the corporate structure of Genco.

/5/ In the Merger U-1, Exelon seeks authority to create Exelon Energy Delivery
Company which would own the common stock of ComEd and PECO.

/6/ As described in the Merger U-1, Ventures is necessary to achieve the desired
corporate reorganization of the Unicom non-utility Subsidiaries and the PECO
non-utility Subsidiaries without incurring substantial income tax liability.

                                       3
<PAGE>

consistent with existing Commission precedent, both for newly registered holding
company systems/7/ and holding company systems that have been registered for a
longer period of time./8/

          The financing authorizations requested herein relate to:

          (1)  (a) external issuances by Exelon of common stock, preferred stock
               and preferred stock equivalent securities (collectively
               "preferred securities"), long-term debt, short-term debt, and
               other securities, (b) guarantees of obligations of affiliated or
               unaffiliated persons in favor of other unaffiliated persons, and
               (c) the entering into by Exelon of transactions to manage
               interest rate risk ("hedging transactions");/9/

          (2)  issuances of securities, guarantees and the entering into of
               hedging transactions by the Utility Subsidiaries to the extent
               not exempt pursuant to Rule 52 ;

          (3)  issuances by Non-Utility Subsidiaries of securities and authority
               to enter into hedging transactions which are not exempt pursuant
               to Rule 52;

          (4)  the establishment of a utility money pool (the "Utility Money
               Pool") and a non-utility money pool (the "Non-Utility Money
               Pool") and the issuance of intra-system guarantees by Exelon and
               the Non-Utility Subsidiaries on behalf of the Subsidiaries;

          (5)  the continuation of existing intra-system debt and guarantees;

          (6)  the ability of 50% or more owned Subsidiaries to alter their
               capital stock in order to engage in financing transactions with
               their parent company;

          (7)  the ability of Exelon and its Subsidiaries to pay dividends out
               of capital or unearned surplus;

______________

/7/ See e.g., New Century Energies, Inc., Holding Co. Act Release No. 35-26750
(Aug. 1, 1997); Ameren Corporation, Holding Co. Act Release No. 35-26809 (Dec.
30, 1997); Conectiv, Inc., Holding Co. Act Release No. 35-26833 (Feb. 26, 1998);
Dominion Resources, Inc., Holding Co. Act Release No. 35-27112 (Dec. 15, 1999);
and SCANA Corporation, Holding Co. Act Release No. 35-27135 (Feb. 14, 2000).

/8/ See e.g., The Columbia Gas System, Inc., Holding Co. Act Release No. 35-
26634 (Dec. 23, 1996); Gulf States Utilities Company, Holding Co. Act Release
No. 35-26451 (Jan. 16, 1996).

/9/ "Hedging Transactions" include only those transactions related to financing
activities.  Engaging in futures and other commodity related risk management by
Exelon and its subsidiaries constitute part of their normal business activities
and as such do not require Commission approval.  See Southern Energy, Inc.,
Holding Co. Act Release No. 35-27020 (May 13, 1999); Entergy Corp., Holding Co.
Act Release No. 35-26812 (Jan. 6, 1998); New Century Energies, Holding Co. Act
Release No. 35-26748 (Aug. 1, 1997); National Fuel Gas Co., Holding Co. Act
Release No. 35-2666 (Feb. 12, 1997).

                                       4
<PAGE>

          (8)  the formation of financing entities and the issuance by such
               entities of securities otherwise authorized to be issued and sold
               pursuant to this Application/Declaration or pursuant to
               applicable exemptions under the Act, including intra-system
               guarantees of such securities and the retention of existing
               financing entities; and

          (9)  issuance of debt or equity securities by Exelon Energy Delivery
               and Ventures for the purpose of acting as a conduit for
               additional financing to Genco and Enterprises.

     D.   Parameters for Financing Authorization

          Authorization is requested herein to engage in certain financing
transactions during the Authorization Period for which the specific terms and
conditions are not at this time known, and which may not be covered by Rule 52,
without further prior approval by the Commission.  The following general terms
will be applicable where appropriate to the financing transactions requested to
be authorized hereby:

          1.  Effective Cost of Money.

          The effective cost of money on long-term debt borrowings occurring
pursuant to the authorizations granted under this Application/Declaration will
not exceed the greater of (a) 350 basis points over the comparable term U.S.
Treasury securities or (b) a gross spread over U.S. Treasuries that is
consistent with similar securities of comparable credit quality and maturities
issued by other by other companies.  The effective cost of money on short-term
debt borrowings pursuant to authorizations granted under this
Application/Declaration will not exceed the greater of (a) 350 basis points over
the comparable term London Interbank Offered Rate ("LIBOR") or (b) a gross
spread over LIBOR that is consistent with similar securities of comparable
credit quality and maturities issued by other companies./10/ The dividend rate
on any series of preferred securities will not exceed the greater of (a) 500
basis points over the yield to maturity of a U.S. Treasury security having a
remaining term equal to the term of such series of preferred securities or (b) a
rate that is consistent with similar securities of comparable credit quality and
maturities issued by other companies.

          2.  Maturity of Debt and Final Redemption on Preferred Securities.

          The maturity of indebtedness will not exceed 50 years.  All preferred
securities will be redeemed no later than 50 years after the issuance thereof.

          3.  Issuance Expenses.

          The underwriting fees, commissions or other similar remuneration paid
in connection with the non-competitive issue, sale or distribution of a security
pursuant to this

______________

/10/ See The Southern Company, Holding Company Act Release No. 35-27134 (Feb. 9,
2000).

                                       5
<PAGE>

Application/Declaration (not including any original issue discount) will not
exceed 5% of the principal or total amount of the security being issued.

          4.  Use of Proceeds.

          The proceeds from the sale of securities in external financing
transactions will be used for general corporate purposes including:

          .  the financing, in part, of the capital expenditures of the Exelon
             System;

          .  financing the cash portion of the consideration paid in the Merger;

          .  the financing of working capital requirements of the Exelon System;

          .  the acquisition, retirement or redemption pursuant to Rule 42 of
             securities previously issued by Exelon or its Subsidiaries without
             the need for prior Commission approval; and

          .  other lawful purposes, including direct or indirect investment in
companies authorized under the Merger U-1 and under the Investment U-1,
including Rule 58 companies, other subsidiaries approved by the Commission,
Exempt Wholesale Generators ("EWGs"), Foreign Utility Companies ("FUCOs") and
Exempt Telecommunications Companies ("ETCs")./11/ The Applicants represent that
no such financing proceeds will be used to acquire or form a new subsidiary
unless such financing is consummated in accordance with an order of the
Commission or an available exemption under the Act.

          5.  Financial Condition

          Exelon's principal utility operating subsidiaries -- ComEd and PECO
are financially sound and each have investment grade ratings from major national
rating agencies. Exelon will also be a financially sound company./12/
Furthermore, Exelon expects to have an investment grade rating upon consummation
of the Merger based on its strong balance sheet, strong cash flows and other
factors. The anticipated consolidated common equity of Exelon when it is formed
in the Merger, including securitization indebtedness of the Utility
Subsidiaries,/13/ the $500 million borrowing necessary to pay the cash portion
of the merger

______________

/11/ The Investment U-1 contemplates that Exelon will make additional
investments in EWGs and FUCOs during the Authorization Period. Accordingly,
Rules 53 and 54 apply to this Application-Declaration. Compliance with these
rules is addressed below.

/12/ As a newly formed company, Genco may not have a rating from nationally
recognized rating agencies immediately when it commences operations.  As noted
herein, the absence of an investment grade rating will likely increase the
necessity for Genco to receive financial support from Exelon.

/13/ All of the outstanding securitization bonds of ComEd and PECO are currently
rated "AAA."  The structure of these financings, the orders of the respective
State commissions and the statutory provisions of each State ensure that there
will be sufficient cash flow from a dedicated portion of payments made by
utility customers to at all times

                                       6
<PAGE>

consideration, short-term debt and current maturities of long-term debt is 29.7%
of total Consolidated Capitalization (common equity, preferred stock and long-
term and short-term debt, including current maturities of long-term debt)./14/
Exelon commits that it will achieve Consolidated Capitalization, including
securitization debt, of at least 30% by December 31, 2002 and, at all times
thereafter during the Authorization Period, its common equity (as reflected on
the balance sheets contained in its most recent 10-K or 10-Q filed with the
Commission pursuant to the 1934 Act) will be at least 30% of its Consolidated
Capitalization./15/ The consequence of failing to maintain common equity of at
least 30% of Consolidated Capitalization when required is that Exelon and its
Subsidiaries would not be authorized to issue securities in a transaction
subject to Commission approval except for securities which would result in an
increase in such common equity percentage./16/ Exelon represents that it also
will be in compliance with its Modified Rule 53 Test as described in Item 1.G.
below. A detailed discussion of the financial condition of the Exelon System is
presented below.

______________

provide for principal and interest on the securitization bonds. The rates paid
by customers are subject to adjustment in accordance with procedures of the
respective states to ensure that amount collected are sufficient to meet debt
service and other requirements under the securitization financings. See Utility
Stranded Costs: Rating the Securitization of Transition Tariffs, Special Report,
FitchIBCA (September 24, 1998) (available at www.FitchIBCA.com).

/14/ See footnote 15 below for the reasons it is appropriate to consider the
special status securitization debt for purposes of consideration of the
financial condition of Exelon and its Utility Subsidiaries.  The anticipated
consolidated capitalization takes into account the adjustments resulting from
purchase accounting for the Merger and the effects of the Restructuring
transactions. Debt issuance approved hereby could result in the Consolidated
Capitalization going below the 29.7% level but as noted above, Exelon will
achieve a ratio of not less than 30% by December 31, 2002.

/15/ The Commission has recognized that it is appropriate to consider
securitization debt in the calculation of capitalization to determine compliance
with its traditional test of a minimum equity component of capitalization of
30%.  See West Penn Power Co., Holding Co. Act Release No. 35-27091 (Oct. 19,
1999)(exemption from 30% equity standard granted where utility's equity ratio
was 15% because of transition bonds and other factors; excluding transition
bonds, utility would satisfy 30% test).  This approach is consistent with the
rating agencies analysis of the impact of securitization on a utility's capital
structure.  In its September 23, 1999 rating review of PECO, Moody's noted:
"The major advantages of securitization from a credit perspective are the lower
financing costs of higher rated securities and the greater certainty of recovery
of stranded costs.  As we analyze PECO post-securitization, Moody's will treat
the securitized debt as fully non-recourse to the company.  Moody's has grown
comfortable with this analytical approach despite the fact that the Securities
and Exchange Commission's guidelines require the debt to appear on the company's
balance sheet.  Under this approach, we will adjust cash flow downward to
account for the setting aside of cash flows derived from collection of
reimbursable transition charges to serve the fixed charges associated with the
securitization bonds.  This approach, we believe, better reflects the cash flow
streams available for protection of PECO's traditional fixed income investors."

/16/ Securities issuances not subject to Commission approval such as State
commission approved utility financing or financings for ETCs would be
unaffected.

                                       7
<PAGE>

     E.   Description of Specific Types of Financing

          1.  Exelon External Financing

          Exelon requests authorization to obtain funds externally through sales
of common stock, preferred securities, long-term debt and short-term debt
securities.  With respect to common stock, Exelon also requests authority to
issue common stock to third parties in consideration for the acquisition by
Exelon or a Non-Utility Subsidiary of equity or debt securities of a company
being acquired pursuant to Rule 58 or Sections 32, 33 or 34 of the Act.  In
addition, Exelon seeks the flexibility to enter into certain hedging
transactions to manage rate risk and for other lawful purposes.

          (a)  Common Stock

          Exelon is authorized under its restated articles of incorporation to
issue 500,000,000 shares of common stock (no par value)./17/ Exelon will issue
approximately 328,000,000 shares of common stock in connection with the
Merger/18/. The aggregate amount of financing obtained by Exelon during the
Authorization Period from issuance and sale of common stock (other than for
employee benefit plans or stock purchase and dividend reinvestment plans as
discussed below and other than shares issued in the Merger), when combined with
the long-term debt, short-term debt and preferred securities issued and then
outstanding, as described in this section, shall not exceed $8 billion for the
uses set forth in Item.1.D. above. Exelon common stock issued in any of the
circumstances described in Item 1.E.(a)(ii) below relating to acquisitions of
companies shall be valued, for purposes of determining compliance with the
aggregate financing limitation set out herein, at its market value as of the
date of issuance (or if appropriate at the date of a binding contract providing
for the issuance thereof).


               i.  General

          Subject to the foregoing, Exelon may issue and sell common stock or
options, warrants or other stock purchase rights exercisable for common stock.
Exelon may also buy back shares of such stock or such options during the
Authorization Period in accordance with Rule 42.

          Common stock financings may be effected pursuant to underwriting
agreements of a type generally standard in the industry.  Public distributions
may be pursuant to private negotiation with underwriters, dealers or agents as
discussed below or effected through competitive bidding among underwriters.  In
addition, sales may be made through private

______________

/17/ Under its Restated Articles of Incorporation, Exelon is authorized to issue
600,000,000 shares consisting of 500,000,000 shares of common stock and
100,000,000 shares of preferred stock.

/18/ This figure assumes all options and restricted stock will be exercised for
outstanding shares of PECO and Unicom, as the case may be and converted to
Exelon shares in the Merger.  To the extent these options or restricted shares
do not result in the issuance of Unicom or PECO common stock prior to the
Merger, the number of shares issued in the Merger will be lower.

                                       8
<PAGE>

placements or other non-public offerings to one or more persons. All such common
stock sales will be at rates or prices and under conditions negotiated or based
upon, or otherwise determined by, competitive capital markets.

          Exelon may sell common stock covered by this Application-Declaration
in any one of the following ways: (i) through underwriters or dealers; (ii)
through agents; (iii) directly to a limited number of purchasers or a single
purchaser; or (iv) directly to employees (or to trusts established for their
benefit), shareholders and others through its employee benefit plans or stock
purchase and dividend reinvestment plans.  If underwriters are used in the sale
of the securities, such securities will be acquired by the underwriters for
their own account and may be resold from time to time in one or more
transactions, including negotiated transactions, at a fixed public offering
price or at varying prices determined at the time of sale.  The securities may
be offered to the public either through underwriting syndicates (which may be
represented by a managing underwriter or underwriters designated by Exelon) or
directly by one or more underwriters acting alone.  The securities may be sold
directly by Exelon or through agents designated by Exelon from time to time.  If
dealers are utilized in the sale of any of the securities, Exelon will sell such
securities to the dealers as principals.  Any dealer may then resell such
securities to the public at varying prices to be determined by such dealer at
the time of resale.  If common stock is being sold in an underwritten offering,
Exelon may grant the underwriters thereof a "green shoe" option permitting the
purchase from Exelon at the same price of additional shares then being offered
solely for the purpose of covering over-allotments.

          A very small amount of ComEd common stock will not be held by Exelon.
This stock has been and will be acquired by the holders thereof upon conversion
of certain outstanding warrants or upon conversion of ComEd convertible
preferred stock.  Unicom extended a standing offer to these holders of ComEd
common stock to exchange the stock for Unicom common stock.  Exelon wishes to
continue this program.

               ii.  Acquisitions

          Under the terms of the orders to be issued in the Merger U-1, and
under Rule 58 and Sections 32, 33 and 34 of the Act, Exelon is or will be
authorized to acquire securities of companies engaged in functionally related
businesses, "energy-related businesses" as described in Rule 58, EWGs, FUCOs and
ETCs.  Exelon may also issue common stock or options, warrants or other stock
purchase rights exercisable for common stock in public or privately-negotiated
transactions as consideration for the equity securities or assets of other
companies, provided that the acquisition of any such equity securities or assets
has been authorized in the Investment U-1 proceeding or in a separate proceeding
or is exempt under the Act or the rules thereunder./19/

          (b)  Preferred Securities.

______________

/19/ The Commission has previously approved the issuance of common stock as
consideration for the acquisition of a new business in an exempt transaction or
transaction that has been approved in a separate proceeding. See e.g., SCANA
Corp., Holding Co. Act Release No. 35-27135 (Feb. 14, 2000).

                                       9
<PAGE>

          Exelon seeks to have the flexibility to issue its authorized preferred
stock or other types of preferred securities (including, without limitation,
trust preferred securities or monthly income preferred securities) directly or
indirectly through one or more special-purpose financing subsidiaries organized
by Exelon specifically for such purpose as authorized by the order to be issued
in the Investment U-1. The aggregate amount of financing obtained by Exelon
during the Authorization Period from issuance and sale of preferred securities,
when combined with the amount of common stock (other than for benefit plans or
stock purchase and dividend reinvestment plans and other than shares issued in
the Merger), short-term debt and long-term debt issued and then outstanding, as
described in this section, shall not exceed $8 billion for the uses set forth in
Item 1.D. above.  The proceeds of preferred securities would provide an
important source of future financing for the operations of and investments in
non-utility businesses which are exempt under the Act or have been approved by
the Commission./20/ Preferred stock or other types of preferred securities may
be issued in one or more series with such rights, preferences, and priorities as
may be designated in the instrument creating each such series, as determined by
Exelon's board of directors. Dividends or distributions on preferred securities
will be made periodically and to the extent funds are legally available for such
purpose, but may be made subject to terms which allow the issuer to defer
dividend payments for specified periods. Preferred securities may be convertible
or exchangeable into shares of Exelon common stock of indebtedness.

          Preferred securities may be sold directly through underwriters or
dealers in connection with an acquisition in a manner similar to that described
for common stock in E. 1 (a)  above.

          (c)  Long-Term Debt

          The aggregate amount of financing obtained by Exelon during the
Authorization Period from issuance and sale of long-term debt securities, when
combined with the common stock (other than for benefit plans or stock purchase
and dividend reinvestment plans and other than shares issued in the Merger),
short-term debt and preferred securities issued and then outstanding, as
described in this section, shall not exceed $8 billion/21/ for the uses set
forth in Item 1.D. above. Issuances of securities by Genco shall count against
such aggregate limitation as set forth in Item 1.E.3.b below. Such long-term
debt securities would be comprised of bonds, notes, medium-term notes or
debentures under one or more indentures (each, the "Exelon
_____________

/20/ Recently, the Commission approved a similar financing application filed by
Southern Company in which Southern Company requested approval to issue preferred
securities and long-term debt, directly or indirectly through special-purpose
financing entities. See The Southern Company, Holding Co. Act Release No. 35-
27134 (Feb. 9, 2000). In that case, the Commission took account of the changing
needs of registered holding companies for sources of capital other than common
equity and short-term debt brought about primarily by the elimination of
restrictions under the Act on investments in various types of non-core
businesses (e.g., EWGs, FUCOs, ETCs and businesses allowed by Rule 58).  The
Commission noted that, without the ability to raise capital in external markets
that is appropriate for such investments, registered holding companies would be
at a competitive disadvantage to other energy companies that are not subject to
regulation under the Act.

/21/ See footnote 2 regarding the request for reservation of jurisdiction.

                                       10
<PAGE>

Indenture") or long-term indebtedness under agreements with banks or other
institutional lenders.

          Any long-term debt security would have such designation, aggregate
principal amount, maturity, interest rate(s) or methods of determining the same,
terms of payment of interest, redemption provisions, sinking fund terms and
other terms and conditions as Exelon may determine at the time of issuance.  Any
long-term debt (a) may be convertible into any other securities of Exelon, (b)
will have maturities ranging from one to 50 years, (c) may be subject to
optional and/or mandatory redemption, in whole or in part, at par or at various
premiums above the principal amount thereof, (d) may be entitled to mandatory or
optional sinking fund provisions, (e) may provide for reset of the coupon
pursuant to a remarketing arrangement, (f) may be subject to tender or the
obligation of the issuer to repurchase at the election of the holder or upon the
occurrence of a specified event, (g) may be called from existing investors by a
third party and, (h) may be entitled to the benefit of positive or negative
financial or other covenants.

          The maturity dates, interest rates, redemption and sinking fund
provisions, tender or repurchase and conversion features, if any, with respect
to the long-term securities of a particular series, as well as any associated
placement, underwriting or selling agent fees, commissions and discounts, if
any, will be established by negotiation or competitive bidding.

          Borrowings from the banks and other financial institutions may be
unsecured and pari passu with debt securities issued under the Exelon Indenture
and the short-term credit facilities (as described below).  Long-term debt may
be secured by property of Exelon.  Specific terms of any borrowings will be
determined by Exelon at the time of issuance and will comply in all regards with
the parameters on financing authorization set forth in Section D above.

          The Exelon system will require $500 million in connection with the
closing of the Merger.  It is currently contemplated that this amount will be
borrowed on a short-term basis at or just prior to the closing of the Merger and
refinanced on a long-term basis at Exelon following the Merger. As a pre-
existing obligation, this amount will not count against the $8 billion in
overall financing authority sought herein.

          The request for authorization for Exelon to issue long-term debt
securities is consistent with authorization that the Commission has granted to
other holding companies./22/


____________________

/22/ See Cinergy Corp., Holding Co. Act Release No. 35-27190 (June 23, 2000);
         ------------
National Grid Group, Holding Co. Act Release No. 35-27154 (Mar. 15, 2000); SCANA
Corporation, Holding Co. Act Release No. 35-27135 (Feb. 14, 2000); The Southern
Company, Holding Co. Act Release No. 35-27134 (Feb. 9, 2000); Dominion
Resources, Inc., Holding Co. Act Release No. 35-27112 (Dec. 15, 1999)
(authorizing the issuance of debt securities by the registered holding company,
including the refinancing of $4.5 billion of acquisition indebtedness); Cinergy
Corp., Holding Co. Act Release No. 35-26909 (Aug. 21, 1998) (authorizing the
issuance of up to $400 million of unsecured debt securities); Conectiv, Inc.,
Holding Co. Act Release No. 35-26921 (Sept. 28, 1998) (authorizing issuance of
up to $250 million of debentures).

                                       11
<PAGE>

          (d)  Short-Term Debt

          Exelon seeks authority to issue short-term debt to provide for the
reissuance of pre-Merger letters or lines of credit or commercial paper and to
provide financing for general corporate purposes, working capital requirements
and temporary financing of Subsidiary capital expenditures. The aggregate amount
of financing obtained by Exelon during the Authorization Period from issuance
and sale of short-term debt, when combined with common stock (other than for
employee benefit plans or stock purchase and dividend reinvestment plans as
discussed below and other than shares issued in the Merger), long-term debt, and
preferred securities issued and then outstanding, as described in this section,
shall not exceed $8 billion for the uses set forth in Item1.D. above./23/

          Any short-term debt outstanding or credit facility of Unicom existing
at the time of the Merger may be assumed by Exelon./24/ Existing financing
arrangements at PECO will not be assumed by Exelon.  However, Genco is expected
to assume the outstanding pollution control loan obligations of PECO ($369
million outstanding at June 30, 2000) which financed facilities located at
generating stations that will be transferred to Genco by PECO. See item I.E.3
below.  None of ComEd's financing obligations will be assumed by Genco.

          Exelon may also sell commercial paper, from time to time, in
established domestic or European commercial paper markets. Such commercial paper
would be sold to dealers at the discount rate or the coupon rate per annum
prevailing at the date of issuance for commercial paper of comparable quality
and maturities sold to commercial paper dealers generally. It is expected that
the dealers acquiring commercial paper from Exelon will reoffer such paper at a
discount to corporate, institutional and, with respect to European commercial
paper, individual investors. Institutional investors are expected to include
commercial banks, insurance companies, pension funds, investment trusts,
foundations, colleges and universities and finance companies.

          Exelon may, without counting against the limit set forth above,
maintain back up lines of credit in connection with a commercial paper program
in an aggregate amount not to exceed the amount of authorized commercial paper.

          Credit lines may be set up for use by Exelon for general corporate
purposes in addition to credit lines to support commercial paper as described in
this subsection.  Exelon will borrow and repay under such lines of credit, from
time to time, as it is deemed appropriate or necessary.

          (e)  Total Financing Sought

________________________

/23/ See note 2 regarding Exelon's request that the Commission reserve
jurisdiction on $4 billion of such amount.

/24/ Unicom currently guaranties committed lines of bank credit available to a
Non-Utility Subsidiary for $ 400 million (from a group of 20 banks) which expire
on December 15, 2000. This facility and guarantee may remain in place at Exelon
following the Merger. The credit agreement was extinguished on August 7, 2000.

                                       12
<PAGE>

          The aggregate amount of equity, preferred securities, long-term debt
and short-term debt financing to be obtained by Exelon during the Authorization
Period (excluding securities issued during the Authorization Period to refund
then outstanding securities) shall be not greater than $ 8 billion. In addition,
Exelon shall have the authority to issue guarantees up to $4.5 billion. As set
forth below, Exelon's authority will be aggregated with Genco for purposes of
the $8 billion limitation on financing and the $4.5 billion limitation on
guarantees. As noted, Exelon is requesting that the Commission reserve
jurisdiction in certain respects until the record is completed. Exelon seeks
immediate approval for total financing of $4 billion plus $4.5 billion in
guarantees.

          (f)  Financing Risk Management Devices

                    i.  Interest Rate Risk.

          Exelon requests authority to enter into, perform, purchase and sell
financial instruments intended to reduce or manage the volatility of interest
rates, including but not limited to interest rate swaps, caps, floors, collars
and forward agreements or any other similar agreements. Hedges may also include
issuance of structured notes (i.e., a debt instrument in which the principal
and/or interest payments are indirectly linked to the value of an underlying
asset or index), or transactions involving the purchase or sale, including short
sales, of U.S. Treasury or Agency (e.g., FNMA) obligations or LIBOR based swap
instruments (collectively referred to as "Hedge Instruments". The transactions
would be for fixed periods and stated notional amounts. Exelon would employ
interest rate derivatives as a means of prudently managing the risk associated
with any of its outstanding debt issued pursuant to this authorization or an
applicable exemption by, in effect, synthetically (i) converting variable rate
debt to fixed rate debt, (ii) converting fixed rate debt to variable rate debt
and (iii) limiting the impact of changes in interest rates resulting from
variable rate debt. In no case will the notional principal amount of any
interest rate swap exceed the greater of the value of the underlying debt
instrument or the present market value of the underlying debt instrument and
related interest rate exposure. Transactions will be entered into for a fixed or
determinable period. Thus, Exelon will not engage in speculative transactions
unassociated with its financing needs and activities. Exelon will only enter
into agreements with counterparties ("Approved Counterparties") whose senior
debt ratings, as published by a national recognized rating agency are greater
than or equal to "BBB," or an equivalent rating.

                    ii. Anticipatory Hedges.

          In addition, Exelon and the Subsidiaries request authorization to
enter into interest rate hedging transactions with respect to anticipated debt
offerings (the "Anticipatory Hedges"), subject to certain limitations and
restrictions. Such Anticipatory Hedges would only be entered into with Approved
Counterparties, and would be utilized to fix and/or limit the interest rate risk
associated with any new issuance through (i) a forward sale of exchange-traded
Hedge Instruments (a "Forward Sale"), (ii) the purchase of put options on Hedge
Instruments (a "Put Options Purchase"), (iii) a Put Options Purchase in
combination with the sale of call options Hedge Instruments (a "Zero Cost
Collar"), (iv) transactions involving the purchase or sale, including short
sales, of Hedge Instruments, or (v) some combination of a Forward Sale, Put
Options Purchase, Zero Cost Collar and/or other derivative or cash transactions,
including, but

                                       13
<PAGE>

not limited to structured notes, caps and collars, appropriate for the
Anticipatory Hedges. Anticipatory Hedges may be executed on-exchange ("On-
Exchange Trades") with brokers through the opening of futures and/or options
positions traded on the Chicago Board of Trade ("CBOT"), the opening of over-
the-counter positions with one or more counterparties ("Off-Exchange Trades"),
or a combination of On-Exchange Trades and Off-Exchange Trades. Exelon or
Subsidiary will determine the optimal structure of each Anticipatory Hedge
transaction at the time of execution. Exelon or a Subsidiary may decide to lock
in interest rates and/or limit its exposure to interest rate increases./25/

               iii.  Accounting Standards.

          Exelon and its Subsidiaries will comply with Statement of Financial
Accounting Standards ("SFAS") 80 ("Accounting for Futures Contracts"), SFAS 133
("Accounting for Derivatives Instruments and Hedging Activities"), when
effective in January 2001 or such other standards relating to accounting for
derivative transactions as are adopted and implemented by the Financial
Accounting Standards Board ("FASB").

          2.  Financing Subsidiaries

          Exelon and the Subsidiaries request authority to acquire, directly or
indirectly, the equity securities of one or more corporations, trusts,
partnerships or other entities created specifically for the purpose of
facilitating the financing of the authorized and exempt activities (including
exempt and authorized acquisitions) of Exelon and the Subsidiaries through the
issuance of long-term debt, preferred securities or equity securities, to third
parties and the transfer of the proceeds of such financings to Exelon or such
Subsidiaries./26/ Exelon or a Subsidiary may, if required, guarantee or enter
into support or expense agreements in respect of the obligations of any such
Financing Subsidiaries. Subsidiaries may also provide guarantees and enter into
support or expense agreements, if required, on behalf of such entities pursuant
to Rules 45(b)(7) and 52, as applicable. Each of the Subsidiaries also requests
authorization to enter into an expense agreement with its respective financing
entity, pursuant to which it would agree to pay all expenses of such entity. Any
amounts issued by such financing entities to third parties pursuant to this
authorization will be included in the overall external financing limitation
authorized herein for the immediate parent of such financing entity. However,
the underlying intra-system mirror debt and parent guarantee shall not be so
included./27/


_______________________

/25/ The proposed terms and conditions of the Interest Rate Hedges and
Anticipatory Hedges are substantially the same as the Commission has approved in
other cases. See SCANA Corporation, Holding Co. Act Release No. 35-27135 (Feb.
14, 2000); New Century Energies, Inc., et al., Holding Co. Act Release No. 35-
27000 (April 7, 1999); and Ameren Corp., et al., Holding Co. Act Release No. 35-
27053 (July 23, 1999). See note 8 above regarding risk management activities of
Genco.

/26/ One of the special purpose subsidiaries already in existence at PECO or
Unicom, such as PECO-Energy Transition Trust or ComEd Transitional Funding Trust
may be used for these purposes as well.

/27/ The authorization sought herein with respect to financing entities is
substantially the same as that given to New Century Energies, Inc., Holding Co.
Act Release No. 35-26750 (Aug. 1, 1997); Conectiv, Holding Co. Act Release

                                       14
<PAGE>

          PECO has in place financing subsidiaries related to its securitization
bonds. Under the terms of PECO's settlement of its 1998 electric restructuring
proceeding and the final order of the Pennsylvania Commission approving the
settlement, issued on May 14, 1998 (the "Restructuring Settlement" described in
Item 1.C.3 of the Merger U-1) PECO is permitted to recover $5.26 billion in
stranded costs over a twelve year period that began on January 1, 1999.  PECO's
stranded costs are collected through a non-bypassable transition charge which
must be paid by all of PECO's transmission and distribution customers,
regardless of whether the customers continue to purchase their electric capacity
or energy from PECO.

          As permitted under the Competition Act, certain portions of the May
14, 1998, order were designated a Qualified Rate Order ("QRO") authorizing PECO
to securitize up to $4 billion of its recoverable costs through the issuance of
Transition Bonds.  On March 16, 2000, the Pennsylvania Commission issued a
second QRO authorizing PECO to securitize an additional $1 billion.  In order to
accomplish the approved securitization transactions, PECO created an independent
special purpose entity named PECO Energy Transition Trust ("PETT").  PETT is a
statutory business trust established under the laws of the State of Delaware,
and was formed on June 23, 1998 pursuant to a trust agreement between PECO, as
grantor,  First Union Trust Company, N.A., as issuer trustee, and two
beneficiary trustees appointed by PECO.  See PETT,  SEC Form 10-Q (filed August
13, 1999 in File No. 333-58055).  PETT was organized for the special purpose of
purchasing from PECO Intangible Transition Property ("ITP"), issuing Transition
Bonds, pledging its interest in the ITP and other collateral to the bond trustee
to secure the Transition Bonds, and performing activities that are necessary and
suitable to accomplish these purposes.

          In accordance with the Restructuring Settlement and the QROs, PECO is
utilizing the proceeds of the Transition Bonds to retire higher cost debt and
buy-back equity securities.  The investment of the Transition Bonds is being
accomplished through a series of intercompany loans, contributions and
distributions involving non-utility subsidiaries of PECO which will continue
quarterly until May 2010. All borrowings represented by these transactions are
by non-utility special purpose subsidiaries and are exempt under Rule 52(b)./28/
Contributions made by PECO to its subsidiary are exempt under Rule 45(b)(4).  To
the extent the distributions from the Non-Utility Subsidiary to PECO are out of
capital or unearned surplus, Exelon seeks a waiver for all such payments by Non-
Utility Subsidiaries in Item 1.J. hereof.

________________________________________________________________________________

No. 35-26833 (Feb. 26, 1998); Cinergy Corp., Holding Co. Act Release No. 35-
26984 (Mar. 1, 1999); Dominion Resources, Inc., Holding Co. Act Release No. 35-
27112 (Dec. 15, 1999) and SCANA Corporation, Holding Co. Act Release No. -35-
27135 (Feb. 14, 2000).

/28/ Rule 52(b) is not available for issuances by a "fiscal or financing agency"
of a holding company or utility company. The entities involved in the
intercompany loans referred to in this paragraph are not acting in the capacity
of a financing vehicle for PECO to raise capital from third parties, but rather
are engaged solely in intercompany transactions for the purpose of achieving tax
efficiency for the securitization transaction. Thus, while some of these
entities could be considered "financing subsidiaries" in other contexts, they
are not so acting for the described transactions and therefore are eligible to
use Rule 52(b). See Southern Co., Holding Co. Act Release No.35-27134 (Feb. 9,
2000) at notes 22 and 23. In addition, the structure does not involve any
subsidiary lending its credit to Exelon. Id.

                                       15
<PAGE>

          3.  Utility Subsidiary Financing

          As indicated on Exhibits M-1 and M-2 hereto, certain Utility
Subsidiaries currently have financing arrangements in place.  These arrangements
will remain in place following the Merger and are described in more detail in
Exhibits M-1 and M-2 hereto.

          Rule 52 provides an exemption from the prior authorization
requirements of the Act for most of the issuances and sales of securities by the
Utility Subsidiaries because they must be approved by the relevant state public
utility commission, which, in the case of PECO is the Pennsylvania Public
Utility Commission (the "Pennsylvania Commission") and in the case of ComEd is
the Illinois Commerce Commission (the "Illinois Commission")./29/

          However, certain external financings by the Utility Subsidiaries for
which authorization is requested herein may be outside the Rule 52 exemption. In
particular, Genco is not subject to the jurisdiction of any state commission in
respect of securities issuances.  The authority herein sought excludes
financings exempt under Rule 52.  Financings obtained under this authorization
will be used for general corporate purposes and working capital requirements,
including contributions to the Utility Money Pool. These financings may be made
under instruments in place at the time of the Merger or  new agreements so long
as any such instrument or agreement complies with the limitations described
herein.

          To the extent not exempt under Rule 52, PECO and its Subsidiaries seek
authority to refinance the Authorization Period up to the full outstanding
principal amount of its transition bonds due March 1, 2004 and due September 1,
2007 (outstanding at June 30, 2000, $1.132 billion, in the aggregate) with
additional transition bonds. The final maturity of any such refunding transition
bonds would not be later than March 1, 2011. The refinancing will be pursuant to
the financing order of the Pennsylvania Commission. PECO will use the same
financing structure with PECO Energy Transition Trust (or similar entity) as the
issuer. See PECO Energy Transition Trust Form S-3 Registration Statement, File
No. 333-31646.

          ComEd currently has no plans to issue further securitization bonds or
to refinance any existing securitization bonds.

          (a) Short-Term Debt

          Authority is requested for ComEd, PECO and Genco to issue commercial
paper and establish and borrow under credit lines in the aggregate amount of
$2.7 billion to be outstanding at any one time during the Authorization Period.
ComEd currently has $1.2 billion and PECO $1.5 billion of short-term financing
authority from the Federal Energy Regulatory Commission under Section 204 of the
Federal Power Act. Because the generating activities of

_____________________

/29/ In general, all securities issuances by ComEd must be approved by the
Illinois Commission other than indebtedness with a final maturity of less than
one year, renewable for a period of not more than two years. 220 ILCS 5/6-102.
Similarly, all securities issuances by PECO must be approved by the Pennsylvania
Commission, other than securities with a maturity of one year or less or having
no fixed maturity but payable on demand. 66 Pa.C.S.1901(b)(4)and (5).

                                       16
<PAGE>

ComEd and PECO will be transferred to Genco in the Restructurings and it cannot
be determined at this time what levels of short-term debt may be needed by
ComEd, PECO and Genco, Exelon requests that the aggregate short-term borrowing
limitation now in place for ComEd and PECO ($2.7 billion outstanding at any
time) be the applicable limitation on an aggregate basis for all three Utility
Subsidiaries.

          The above-named Utility Subsidiaries request authority to sell
commercial paper, from time to time, in established domestic commercial paper
markets in a manner similar to Exelon as discussed above. Such Utility
Subsidiaries may, without counting against the limit set forth above, maintain
back up lines of credit in connection with a commercial paper program in an
aggregate amount not to exceed the amount of authorized commercial paper.

          Credit lines may be set up for use by the Utility Subsidiaries for
general corporate purposes in addition to credit lines to support commercial
paper as described in this subsection.  The Utility Subsidiaries will borrow and
repay under such lines of credit, from time to time, as it is deemed appropriate
or necessary.  Subject to the limitations described herein, each such Utility
Subsidiary may engage in other types of short-term financings as it may deem
appropriate in light of its needs and market conditions at the time of issuance.

          (b)  Genco Financing and Assumption of Indebtedness

          Although Genco is an "electric utility company" under the Act, it will
not be subject to the jurisdiction of any State commission in connection with
the issuance of securities./30/  Accordingly, all securities issuances for Genco
will require approval of the Commission.

          The request for Genco to engage in short-term financing is included
above.  The aggregate amount of common equity, preferred securities, long-term
debt and short-term debt financing to be obtained by Genco during the
Authorization Period (excluding securities issued during the Authorization
Period to refund then outstanding securities) shall be not greater than $ 5.5
billion.  Exelon requests approval of Genco financing in an amount up to $4
billion immediately and requests the Commission reserve jurisdiction on the
remaining $1.5 billion pending completion of the record. Any issuance of
securities by Genco to unrelated third parties under this authorization will
reduce, dollar for dollar, the remaining financing authority available to
Exelon; provided that issuances to Genco's parent companies reflecting conduit
transactions shall not reduce the authority available to Exelon except to the
extent Exelon has issued securities to fund such transactions.

          Genco is expected to assume the obligations on about $369 million of
pollution control loan obligations of PECO issued in connection with facilities
located at the generating stations to be transferred to Genco from PECO.
Further, PECO currently provides a $100 million guarantee ensuring the safety of
the nuclear stations owned by AmerGen in the event of

_________________________

/30/ By virtue of Section 318 of the Federal Power Act, Genco will not be
subject to the jurisdiction of FERC in connection with the issuance of
securities because it will be subject to the Commission's jurisdiction in that
regard.

                                       17
<PAGE>

an outage. The guarantee is required to remain in place until the cessation of
operation and removal of the nuclear fuel from the core of the last generating
facility. However, PECO or Genco could seek approval by the NRC of a substitute
financial assurance mechanism. Genco seeks authority to assume that guarantee
following the Merger (with or without the release of PECO). These assumptions
would be in addition to the $4 billion for which immediate authority is
requested above.

          Preferred stock or other types of preferred securities may be issued
in one or more series with such rights, preferences, and priorities as may be
designated in the instrument creating each such series, as determined by Genco's
board of directors. Dividends or distributions on preferred securities will be
made periodically and to the extent funds are legally available for such
purpose, but may be made subject to terms which allow the issuer to defer
dividend payments for specified periods.

          Preferred securities may be sold directly through underwriters or
dealers in connection with an acquisition in a manner similar to that described
for common stock in E. 1 (a)  above.

          Long-term debt securities would be comprised of bonds, notes, medium-
term notes or debentures under one or more indentures  (each a "Genco
Indenture") or long-term indebtedness under agreements with banks or other
institutional lenders.

          Any long-term debt security would have such designation, aggregate
principal amount, maturity, interest rate(s) or methods of determining the same,
terms of payment of interest, redemption provisions, sinking fund terms and
other terms and conditions as Genco may determine at the time of issuance.  Any
long-term debt (a) may be convertible into any other securities of Genco, (b)
will have maturities ranging from one to 50 years, (c) may be subject to
optional and/or mandatory redemption, in whole or in part, at par or at various
premiums above the principal amount thereof, (d) may be entitled to mandatory or
optional sinking fund provisions, (e) may provide for reset of the coupon
pursuant to a remarketing arrangement, (f) may be subject to tender to the
issuer for repurchase or be subject to the obligation of the issuer to
repurchase at the election of the holder or upon the occurrence of a specified
event, (g) may be called from existing investors by a third party and (f) may be
entitled to the benefit of positive or negative financial or other covenants.

          The maturity dates, interest rates, redemption and sinking fund
provisions and conversion features, if any, with respect to the long-term
securities of a particular series, as well as any associated placement,
underwriting or selling agent fees, commissions and discounts, if any, will be
established by negotiation or competitive bidding.

          Borrowings from the banks and other financial institutions may be
unsecured and rank pari passu with debt securities issued under the Genco
Indenture and the short-term credit facilities (as described below).  Long-term
debt may be secured by property of Genco.  Specific terms of any borrowings will
be determined by Genco at the time of issuance and will comply in all regards
with the parameters on financing authorization set forth in Section D above.

                                       18
<PAGE>

          Authority is requested for Genco to issue commercial paper and
establish credit lines. Genco requests authority to sell commercial paper, from
time to time, in established domestic commercial paper markets in a manner
similar to Exelon as discussed above.  Genco may, without counting against the
limits set forth above, maintain back up lines of credit in connection with a
commercial paper program in an aggregate amount not to exceed the amount of
authorized commercial paper.

          Credit lines may be set up for use by Genco for general corporate
purposes in addition to credit lines to support commercial paper as described in
this subsection. Genco will borrow and repay under such lines of credit, from
time to time, as it is deemed appropriate or necessary. Subject to the
limitations described herein, Genco may engage in other types of short-term
financings as it may deem appropriate in light of its needs and market
conditions at the time of issuance.

          Authority is sought for Genco to enter into guarantees of the
obligations of its Subsidiaries ("Genco Guarantees") as set forth below in Item
1.E.5.

          (c)  Financing Risk Management Devices.

          To the extent not exempt under Rule 52, the Utility Subsidiaries
requests authority to enter into, perform, purchase and sell interest rate
management devices and Anticipatory Hedges subject to the limitations and
requirements applicable to Exelon described in Item I.E.1.(g).

          4.  Non-Utility Subsidiary Financings

          As noted on Exhibits M-1 and M-2 hereto, certain Non-Utility
Subsidiaries have financing arrangements in place.  These arrangements are
expected to remain in place following consummation of the Merger.  Certain
guarantees in favor of a direct or indirect Non-Utility Subsidiary issued by
another Subsidiary may be replaced by Exelon guarantees as described below.  In
addition, the Merger U-1 contemplates, and the order permitting the Investment
U-1 to become effective will authorize, the formation or retention of other Non-
Utility Subsidiaries named therein which do not currently have outstanding debt.
It is expected that future financing by all such Non-Utility Subsidiaries will
be made pursuant to the terms of Rule 52.

          The Non-Utility Subsidiaries are engaged in and expect to continue to
be active in the development and expansion of their existing energy-related or
otherwise functionally-related, non-utility businesses. They will be competing
with large, well-capitalized companies in different sectors of the energy
industry and other industries. In order to quickly and effectively invest in
such competitive arenas, it will be necessary for the Non-Utility Subsidiaries
to have the ability to engage in financing transactions which are commonly
accepted for such types of investments. These financings will include issuance
by Non-Utility Subsidiaries of common stock or other equity, preferred
securities or debt in capital raising transactions and to be used to acquire
stock or assets in then existing unaffiliated companies which will become
Affiliates or Subsidiaries so long as such acquisitions are consistent with the
Non-Utility Subsidiaries' then existing business in accordance with Rule 52(b)
and Rule 58. The majority of such financings will be exempt from prior
Commission authorization pursuant to Rule 52(b).

                                       19
<PAGE>

          In order to be exempt under Rule 52(b), any loans by Exelon to a Non-
Utility Subsidiary or by one Non-Utility Subsidiary to another must have
interest rates and maturities that are designed to parallel the lending
company's effective cost of capital. However, in the limited circumstances where
the Non-Utility Subsidiary making the borrowing is not wholly owned by Exelon,
directly or indirectly, authority is requested under the Act for Exelon or a
Non-Utility Subsidiary, as the case may be, to make such loans to such
subsidiaries at interest rates and maturities designed to provide a return to
the lending company of not less than its effective cost of capital./31/  If such
loans are made to a Non-Utility Subsidiary, such company will not sell any
services to any associate Non-Utility Subsidiary unless such company falls
within one of the categories of companies to which goods and services may be
sold on a basis other than "at cost," as described in the Merger U-1.
Furthermore, in the event any such loans are made, Exelon will include in the
next certificate filed pursuant to Rule 24 in this proceeding substantially the
same information as that required on Form U-6B-2 with respect to such
transaction.

          5.  Guarantees, Intra-system Advances and Intra-System Money Pool

          (a) Guarantee and Intra-system Advances

          Exelon requests authorization to enter into guarantees, obtain letters
of credit, enter into support or expense agreements or otherwise provide credit
support with respect to the obligations of its Subsidiaries as may be
appropriate or necessary to enable such Subsidiaries to carry on in the ordinary
course of their respective businesses in an aggregate principal amount, and to
enter into guarantees of non-affiliated third parties/32/ obligations in the
ordinary course of Exelon's business ("Exelon Guarantees") in an amount,
together with Genco Guaranties and Non-Utility Subsidiary Guaranties (defined
below), not to exceed $4.5 billion outstanding at any one time (not taking into
account obligations exempt pursuant to Rule 45). Included in this amount are
guarantees and other credit support mechanisms by Unicom and PECO Energy in
favor of their respective Subsidiaries which were previously issued. Any such
guarantees shall also be subject to the limitations of Rule 53(a)(1) or Rule
58(a)(1), as applicable. Exelon and Genco propose to charge each Subsidiary a
fee for each guarantee provided on its behalf that is comparable to those
obtainable by the beneficiary of the guarantee from third parties.

          A substantial amount of the guarantees proposed to be issued by Exelon
will be in connection with the business of Genco. At the time of the
Restructurings, Genco will be a newly formed business consisting of the
generating assets formerly held by ComEd and PECO. Genco will also conduct the
power marketing and trading operations previously conducted by ComEd and PECO.
For various business reasons, including the relative ratings of Exelon and
Genco, Exelon may wish to provide credit support in connection with Genco's
obligations to

______________________

/31/ The Commission has granted similar authority to another registered holding
company. See Entergy Corporation, et al., Holding Co. Act Release No. 35-27039
(June 22, 1999).

/32/ For example, as one of the founding members of the Midwest System Operator
("MISO"), Unicom issued guaranties to creditors on behalf of MISO to assist
MISO's start-up operations.

                                       20
<PAGE>

independent power producers to purchase the output of generating units for a
long-term period, in connection with the trading positions of Genco entered into
in the ordinary course of Genco's energy marketing and trading business and for
other purposes. Exelon may wish to provide guarantees to Genco up to this amount
for reasons that are not unusual in today's increasingly competitive electricity
markets./33/

          As part of the proposed corporate restructuring, multiple large power
purchase contracts will be transferred to Genco from PECO and ComEd. Some of
these long-term contracts are agreements to purchase the entire output of
merchant plants being developed by independent power producers, or of the entire
output of existing plants purchased by independent power producers. The
financing for these projects is secured by the current power purchase contracts
with PECO or ComEd, and the expected stream of revenues to be derived therefrom.
The terms of certain of the power purchase contracts require lender consent
before the contracts may be assigned, even among affiliated entities. The
lenders acting as the ultimate financiers of the projects will not consent to
the assignment of the contracts unless they believe they will be as financially
secure (or more financially secure) post-assignment than they were pre-
assignment. Based on discussions with the lenders, Exelon's understanding of
these arrangements, and custom and practice in the industry, Genco expects the
lenders to require the provision of substantial guarantees by Exelon. The second
reason for the requested level of guarantee authority is that many of the
counterparties with whom Genco will buy and sell power on a short-term basis may
demand that Genco provide substantial credit support, as its credit rating may
not be as strong as the present credit ratings of ComEd or PECO.

          The provision of parent guarantees by holding companies to affiliates
in the generation and power marketing business is a standard industry practice.
Given the substantial volume of Genco's business, Exelon's $4.5 billion request
for authority to issue guarantees, including the guarantees relating to Genco,
is reasonable and appropriate under current industry practice. Exelon expects
Genco to grow quickly and obtain its own investment grade rating at some time
after the Restructuring. To the extent Genco has such a rating, the need for
support from Exelon will be reduced. However, in that situation, Genco will
likely be required to offer its guarantee in connection with the business
activities of its Subsidiaries through which Exelon's generation business
(additional EWGs and/or FUCOs) will be developed. Consequently, Exelon and Genco
seek an aggregate limitation for guarantees of $4.5 billion (which limit also
includes Non-Utility Subsidiary Guarantees).

          The existing intra-system guarantees and support provided by Unicom or
PECO, which are expected to remain in place following the Merger, are as
follows:

          Unicom: At June 30, 2000, Unicom had authorized guarantees of $719
million including guarantees relating to obligations of Unicom Thermal
Technologies, Unicom Energy,
________________________

/33/ PECO is currently the top holding company and operating utility and also
engages directly in the power trading business. Because this trading operation
is carried on at PECO there is no need for PECO to guaranty the trading
obligations of any subsidiary. Unicom has entered into substantial guarantees on
behalf of its Subsidiaries in connection with their energy trading and related
activities, but has not found it necessary or desirable to guarantee obligations
in connection with ComEd activities.

                                       21
<PAGE>

Inc., Unicom Energy Ohio, Unicom Enterprises and the Midwest Independent System
Operator. This guaranty would count against the maximum guarantee limit
described above. ComEd and Unicom Investment, Inc. entered into an intercompany
agreement relating to the sale of certain fossil generating stations by ComEd
under which Unicom Investment executed a 12 year promissory note to ComEd for
$2.5 billion, which note is guaranteed by Unicom./34/ These guarantees will be
assumed by Exelon upon completion of the Merger. As a completely intrasystem
guaranty, this guaranty will not count against the maximum limit described
above.

          PECO: At June 30, 2000 PECO had $110 million in outstanding guarantees
or commitments, including a $100 million obligation in favor of AmerGen/35/ and
$10 million in favor of its Exelon Infrastructure Services subsidiaries. These
guarantees would count against the maximum guarantee limit described above.

          Exelon requests that this guarantee authority include the ability to
guarantee debt. The debt guaranteed will comply with the parameters for
financing authorization set forth in Section D above. Any guarantees or other
credit support arrangements outstanding at the end of the Authorization Period
will continue until expiration or termination in accordance with their terms.

          (b)  Non-Utility Subsidiary Guarantees.

          In addition to guarantees that may be provided by Exelon, Non-Utility
Subsidiaries request authority to provide to other Non-Utility Subsidiaries
guarantees and other forms of credit support ("Non-Utility Subsidiary
Guarantees"). The Non-Utility Subsidiary Guaranties, together with Genco
Guaranties and Exelon Guaranties will not exceed $4.5 billion outstanding at any
one time in an aggregate principal amount, exclusive of any guarantees and other
forms of credit support that are exempt pursuant to Rule 45(b) and Rule 52(b),
provided however, that the amount of Non-Utility Guarantees in respect of
obligations of any Rule 58 Subsidiaries shall remain subject to the limitations
of Rule 58(a)(1). The Non-Utility Subsidiary providing any such credit support
may charge its associate company a fee for each guarantee provided on its behalf
determined in the same manner as specified above.

          (c)  Authorization and Operation of the Money Pools.

          Exelon and the Utility Subsidiaries hereby request authorization to
establish the Utility Money Pool, and the Utility Subsidiaries, to the extent
not exempted by Rule 52, also request authorization to make unsecured short-term
borrowings from the Utility Money Pool and to contribute surplus funds to the
Utility Money Pool and to lend and extend credit to (and acquire promissory
notes from) one another through the Utility Money Pool. In addition to the
Utility Subsidiaries, Exelon requests existing utility related financing
entities be allowed to participate in the Utility Money Pool as a result of its
financing relationship with ComEd or
___________________

/34/ See note 4 to notes to financial statements in Unicom' Quarterly Report on
Form 10-Q for the quarter ended June 30, 2000 for further details regarding the
sale of the fossil generating stations.

/35/ PECO has issued letter agreements to provide funding up to a total of $100
million to be available to AmerGen as described in Item 1.E.3.b. above.


                                       22
<PAGE>

PECO, respectively. Thus, for purposes of this Section E.5(b) only, the term
Utility Subsidiaries shall include those entities. In addition, Exelon and the
remaining Subsidiaries, all of which are Non-Utility Subsidiaries, hereby
request authorization to establish the Non-Utility Money Pool. The Non-Utility
Money Pool activities of all of the Non-Utility Subsidiaries are exempt from the
prior approval requirements of the Act under Rule 52. Exelon is requesting
authorization to contribute surplus funds and to lend and extend credit to: (i)
the Utility Subsidiaries through the Utility Money Pool and (ii) the Non-Utility
Subsidiaries through the Non-Utility Money Pool. While Exelon is requesting the
authorization in this part (c), it may not implement either the Utility or Non-
Utility Money Pool immediately upon effectiveness of the Merger for various
reasons including requirements for state regulatory commission approvals.

          The Applicants believe that the cost of the proposed borrowings
through the two Money Pools will generally be more favorable to the borrowing
participants than the comparable cost of external short-term borrowings, and the
yield to the participants contributing available funds to the two Money Pools
will generally be higher than the typical yield on short-term investments.

               i.  Utility Money Pool

          Under the proposed terms of the Utility Money Pool, short-term funds
would be available from the following sources for short-term loans to the
Utility Subsidiaries from time to time: (1) surplus funds in the treasuries of
Utility Money Pool participants other than Exelon, (2) surplus funds in the
treasury of Exelon, and (3) proceeds from bank borrowings by Utility Money Pool
participants or the sale of commercial paper by Exelon or the Utility
Subsidiaries for loan to the Utility Money Pool ("External Funds"). Funds would
be made available from such sources in such order as the administrator of the
Utility Money Pool (likely Exelon Services) may determine would result in a
lower cost of borrowing, consistent with the individual borrowing needs and
financial standing of the companies providing funds to the pool. The
determination of whether a Utility Money Pool participant at any time has
surplus funds to lend to the Utility Money Pool or shall lend funds to the
Utility Money Pool would be made by such participant's chief financial officer
or treasurer, or by a designee thereof, on the basis of cash flow projections
and other relevant factors, in such participant's sole discretion. See Exhibit
J-1 for a copy of the Form of Utility Money Pool Agreement.

          As discussed in more detail below, a separate Non-Utility Money Pool
will be established by Exelon with certain Non-Utility Subsidiary companies of
Exelon./36/

          Utility Money Pool participants that borrow would borrow pro rata from
each company that lends, in the proportion that the total amount loaned by each
such lending company bears to the total amount then loaned through the Utility
Money Pool. On any day when more than one fund source (e.g., surplus treasury
funds of Exelon and other Utility Money Pool participants ("Internal Funds") and
External Funds), with different rates of interest, is used to fund loans through
the Utility Money Pool, each borrower would borrow pro rata from each such
______________________

/36/ Such other subsidiaries consist of each of the Non-Utility Subsidiaries
including Exelon Service.

                                       23
<PAGE>

fund source in the Utility Money Pool in the same proportion that the amount of
funds provided by that fund source bears to the total amount of short-term funds
available to the Utility Money Pool. Amounts borrowed by the Utility
Subsidiaries from the Utility Money Pool would count against the Utility
Subsidiary short-term borrowing authority referred to in Item 1.E.3.(a) above.

          Borrowings from the Utility Money Pool would require authorization by
the borrower's chief financial officer or treasurer, or by a designee thereof.
No party would be required to effect a borrowing through the Utility Money Pool
if it is determined that it could (and had authority to) effect a borrowing at
lower cost directly from banks or through the sale of its own commercial paper.
No loans through the Utility Money Pool would be made to, and no borrowings
through the Utility Money Pool would be made by, Exelon.

          The cost of compensating balances, if any, and fees paid to banks to
maintain credit lines and accounts by Utility Money Pool participants lending
External Funds to the Utility Money Pool would initially be paid by the
participant maintaining such line. A portion of such costs -- or all of such
costs in the event a Utility Money Pool participant establishes a line of credit
solely for purposes of lending any External Funds obtained thereby into the
Utility Money Pool -- would be retroactively allocated every month to the
companies borrowing such External Funds through the Utility Money Pool in
proportion to their respective daily outstanding borrowings of such External
Funds.

          If only Internal Funds make up the funds available in the Utility
Money Pool, the interest rate applicable and payable to or by Subsidiaries for
all loans of such Internal Funds will be the rates for high-grade unsecured 30-
day commercial paper sold through dealers by major corporations as quoted in The
Wall Street Journal.

          If only External Funds comprise the funds available in the Utility
Money Pool, the interest rate applicable to loans of such External Funds would
be equal to the lending company's cost for such External Funds (or, if more than
one Utility Money Pool participant had made available External Funds on such
day, the applicable interest rate would be a composite rate equal to the
weighted average of the cost incurred by the respective Utility Money Pool
participants for such External Funds).

          In cases where both Internal Funds and External Funds are concurrently
borrowed through the Utility Money Pool, the rate applicable to all loans
comprised of such "blended" funds would be a composite rate equal to the
weighted average of (a) the cost of all Internal Funds contributed by Utility
Money Pool participants (as determined pursuant to the second-preceding
paragraph above) and (b) the cost of all such External Funds (as determined
pursuant to the immediately preceding paragraph above). In circumstances where
Internal Funds and External Funds are available for loans through the Utility
Money Pool, loans may be made exclusively from Internal Funds or External Funds,
rather than from a "blend" of such funds, to the extent it is expected that such
loans would result in a lower cost of borrowings.

          Funds not required by the Utility Money Pool to make loans (with the
exception of funds required to satisfy the Utility Money Pool's liquidity
requirements) would ordinarily be invested in one or more short-term
investments, including:(i) interest-bearing accounts with banks; (ii)
obligations issued or guaranteed by the U.S. government and/or its agencies and

                                       24
<PAGE>

instrumentalities, including obligations under repurchase agreements; (iii)
obligations issued or guaranteed by any state or political subdivision thereof,
provided that such obligations are rated not less than "A" by a nationally
recognized rating agency; (iv) commercial paper rated not less than "A-1" or "P-
1" or their equivalent by a nationally recognized rating agency; (v) money
market funds; (vi) bank certificates of deposit, (vii) Eurodollar funds; and
(viii) such other investments as are permitted by Section 9(c) of the Act and
Rule 40 thereunder.

          The interest income and investment income earned on loans and
investments of surplus funds would be allocated among the participants in the
Utility Money Pool in accordance with the proportion each participant's
contribution of funds bears to the total amount of funds in the Utility Money
Pool and the cost of funds provided to the Utility Money Pool by such
participant.

          Each Applicant receiving a loan through the Utility Money Pool would
be required to repay the principal amount of such loan, together with all
interest accrued thereon, on demand and in any event not later than one year
after the date of such loan. All loans made through the Utility Money Pool may
be prepaid by the borrower without premium or penalty.

               ii.  Non-Utility Money Pool

          The Non-Utility Money Pool will be operated on the same terms and
conditions as the Utility Money Pool, except that Exelon funds made available to
the Money Pools will be made available to the Utility Money Pool first and
thereafter to the Non-Utility Money Pool. No loans through the Non-Utility Money
Pool would be made to, and no borrowings through the Non-Utility Money Pool
would be made by, Exelon. See Exhibit J-2 for a copy of the form of Non-Utility
Money Pool Agreement. All contributions to, and borrowings from, the Non-Utility
Money Pool are exempt pursuant to the terms of Rule 52 under the Act, except
contributions and extensions of credit by Exelon, authorization for which is
hereby requested. The only initial participants to the Non-Utility Money Pool
will be applicants Exelon Services and Exelon Enterprises until Exelon seeks
Commission authority to add additional parties.

               iii.  Other Contributions to Money Pool

          Exelon and the Utility Subsidiaries may contribute funds from the
issuance of short term debt as authorized above to the Utility Money Pool.
Exelon may contribute funds from the issuance of short term debt to the Non-
Utility Money Pool and the Non-Utility Subsidiaries may contribute funds from
the issuance of short term debt to the Non-Utility Money Pool.

               iv.  Operation of the Money Pools and Administrative Matters.

          Operation of the Utility and Non-Utility Money Pools, including record
keeping and coordination of loans, will be handled by Exelon Service under the
authority of the appropriate officers of the participating companies. Exelon
Service will administer the Utility and Non-Utility Money Pools on an "at cost"
basis and will maintain separate records for each money pool. Surplus funds of
the Utility Money Pool and the Non-Utility Money Pool may be combined in common
short-term investments, but separate records of such funds shall be maintained
by Exelon Service as administrator of the pools, and interest thereon shall be
separately allocated, on a daily basis, to each money pool in accordance with
the proportion that

                                       25
<PAGE>

the amount of each money pool's surplus funds bears to the total amount of
surplus funds available for investment from both money pools.

               v.  Use of Proceeds

          Proceeds of any short term borrowings by the Non-Utility Subsidiaries
may be used by each such Non-Utility Subsidiary (i) for the interim financing of
its construction and capital expenditure programs; (ii) for its working capital
needs; (iii) for the repayment, redemption or refinancing of its debt and
preferred stock; (iv) to meet unexpected contingencies, payment and timing
differences, and cash requirements; and (v) to otherwise finance its own
business and for other lawful general corporate purposes. PECO, ComEd and Genco
may borrow up to $1 billion in the aggregate at any one time outstanding from
the Utility Money Pool. The use of proceeds from the financings would be limited
to use in the operations of the respective businesses in which such Subsidiaries
are already authorized to engage./37/

          (d)  Intra-System Financing

          Generally, Exelon or the lending Subsidiary's loans to, and purchase
of capital stock from, such borrowing Subsidiaries will be exempt under Rule 52,
and capital contributions and open account advances without interest will be
exempt under Rule 45(b). Loans by Exelon or a Non-Utility Subsidiary to a Non-
Utility Subsidiary generally will have interest rates and maturity dates that
are designed to parallel the lending company's effective cost of capital, in
accordance with Rule 52(b). To the extent that any intra-system loans or
extensions of credit are not exempt under Rule 45(b) or Rule 52, as applicable,
the company making such loan or extending such credit may charge interest at the
same effective rate of interest as the daily weighted average effective rate of
commercial paper, revolving credit and/or other short-term borrowings of such
company, including an allocated share of commitment fees and related expenses.
If no such borrowings are outstanding, then the interest rate shall be
predicated on the Federal Funds' effective rate of interest as quoted daily by
the Federal Reserve Bank of New York. In the limited circumstances where the
Non-Utility Subsidiary effecting the borrowing is not wholly-owned by Exelon,
directly or indirectly, authority is requested under the Act for Exelon or a
Non-Utility Subsidiary to make such loans to such subsidiaries at interest rates
and maturities designed to provide a return to the lending company of not less
than its effective cost of capital. If such loans are made to a Non-Utility
Subsidiary, such Non-Utility Subsidiary will not provide any services to any
associate Non-Utility Subsidiary except a company which meets one of the
conditions for rendering of services on a basis other than at cost as described
in the Merger U-1. In the event any such loans are made, Exelon will include in
the next certificate filed pursuant to Rule 24 substantially the same
information as that required on Form U-6B-2 with respect to such transaction.
See Entergy Corp., Holding Co. Act Release No. 27039 (June 22, 1999).
____________________

/37/ The authorization sought herein is substantially the same as that given in
recent cases.  See SCANA Corporation, Holding Co. Act Release No. 35-27135 (Feb.
14, 2000); New Century Energies, Inc., Holding Co. Act Release No. 35-26750
(Aug. 1, 1997) and Conectiv, Holding Co. Act Release No. 35-26833 (Feb. 26,
1998).

                                       26
<PAGE>

          6.  Changes in Capital Stock of Majority Owned Subsidiaries

          The portion of an individual Subsidiary's aggregate financing to be
effected through the sale of stock to Exelon or other immediate parent company
during the Authorization Period pursuant to Rule 52 and/or pursuant to an order
issued pursuant to this file cannot be ascertained at this time. It may happen
that the proposed sale of capital securities (i.e., common stock or preferred
stock) may in some cases exceed the then authorized capital stock of such
Subsidiary. In addition, the Subsidiary may choose to use capital stock with no
par value.

          As needed to accommodate such proposed transactions and to provide for
future issues, request is made for authority to change the terms of any 50% or
more owned Subsidiary's authorized capital stock capitalization or other equity
interests by an amount deemed appropriate by Exelon or other intermediate parent
company. This request for authorization is limited to Exelon's 50% or more owned
Subsidiaries and will not affect the aggregate limits or other conditions
contained herein. A Subsidiary would be able to change the par value, or change
between par value and no-par stock, without additional Commission approval. Any
such action by a Utility Subsidiary would be subject to and would only be taken
upon the receipt of any necessary approvals by the state commission in the state
or states where the Utility Subsidiary is incorporated and doing business./38/

          7. Conduit Financing of Genco and Enterprises through Ventures and
Exelon Energy Delivery

          Ventures and Exelon Energy Delivery seek authority to issue debt or
equity securities to Exelon for the purpose of facilitating Exelon's additional
investment in Genco or Enterprises and ComEd or PECO, respectively. These intra-
company conduit transactions shall not count against the aggregate financing
limitations applicable to Exelon or Genco.

          F. Payment of Dividends out of Capital or Unearned Surplus by ComEd,
             PECO or Exelon

          1. Request for Authority to Pay Dividends

          Section 12 of the 1935 Act, and Rule 46 thereunder, generally prohibit
the payment of dividends out of "capital or unearned surplus" except pursuant to
an order of the Commission. The legislative history explains that this provision
was intended to "prevent the milking of operating companies in the interest of
the controlling holding company groups." S. Rep. No. 621, 74th Cong., 1st Sess.
34 (1935)./39/ In determining whether to permit a registered holding company to
pay dividends out of capital surplus, as discussed in the 1991 case involving
Eastern Utilities Associates ("EUA"), the Commission considers various factors,
including: (i)
___________________

/38/ See New Century Energies, Inc., Holding Co. Act Release No. 35-26750 (Aug.
1, 1997); Conectiv, Inc., Holding Co. Act Release No. 35-6833 (Feb. 26, 1998);
Dominion Resources, Inc., Holding Co. Act Release No. 35-27112 (Dec. 15, 1999);
SCANA Corporation, Holding Co. Act Release No. 35-27135 (Feb. 14, 2000).

/39/ Compare Section 305(a) of the Federal Power Act.

                                       27
<PAGE>

the asset value of the company in relation to its capitalization, (ii) the
company's prior earnings, (iii) the company's current earnings in relation to
the proposed dividend, and (iv) the company's projected cash position after
payment of a dividend./40/ In recent cases, the Commission has determined that
holding company systems may continue to pay dividends although retained earnings
have been reduced or eliminated because of write-offs associated with State
utility regulation restructuring legislation or because of application of
generally accepted accounting principles to a merger involving two previously
unaffiliated companies./41/

          For extraordinary reasons related to the adoption of utility
restructuring legislation in Illinois and Pennsylvania, and because of the
accounting for the Merger under generally accepted accounting principles, Unicom
and PECO have, and Exelon will have on a pro forma basis, unusual reductions in
retained earnings which would make it difficult in some cases to continue to pay
dividends at historical levels without such dividends being paid from paid-in-
capital. Generally accepted accounting principles will result in an elimination
of retained earnings at ComEd. Further, such elimination will have the effect of
limiting the amount of retained earnings at Exelon available for dividends.

          Accordingly, Exelon requests authority to pay dividends out of
additional paid-in-capital up to the amount of $500 million. Exelon's primary
source of income and cash flow will be the earnings and cash flow of its
subsidiary companies, including ComEd and PECO and Exelon's retained earnings
will reflect the retained earnings of its subsidiaries. In addition, Exelon
requests authority for ComEd to pay dividends out of additional paid-in capital
up to the amount of $500 million, which is less than its retained earnings as of
June 30, 2000 ($667 million) which will be eliminated in the Merger as described
below.

          2.  Reasons for Reductions in Retained Earnings

          Upon the consummation of the Merger, the retained earnings of Exelon
will consist of the retained earnings of PECO as the acquiring company for
accounting purposes. PECO's retained earnings were significantly reduced in 1997
as a result of one-time, non-cash accounting write-offs upon the discontinuance
of regulatory accounting practices. This reduction in retained earnings reduces
the amount that will be available for Exelon dividends. Further, ComEd will not
have retained earnings available for dividend payments at the time of the Merger
_____________________

/40/ See Eastern Utilities Associates, Holding Co. Act Release No. 35-25330
(June 13, 1991) ("EUA"), and cases cited therein. Further, the payment of the
dividend must be "appropriate in the public interest." Id., citing Commonwealth
& Southern Corporation, 13 S.E.C. 489, 492 (1943).

/41/ See, e.g., National Grid USA, Holding Co. Act Release No. 35-27166 (April
14, 2000) ("push down" accounting eliminates retained earnings of acquired
company); National Grid Group, Holding Co. Act Release No. 35-27154 (Mar. 15,
2000)("capitalization ratio is not the true measure of [holding company's]
financial strength"); Northeast Utilities, Holding Co. Act Release No. 35-27147
(Mar. 7, 2000) (restructuring legislation, asset divestitures and securitization
resulted in EWG investments in excess of 50% of retained earnings and necessity
to paying dividends out of capital); SCANA Corporation, Holding Co. Act Release
No. 35-27135 (Feb. 14, 2000)(application of "push down" accounting eliminated
retained earnings of acquired company); Conectiv, Holding Co. Act Release No.
35-27126 (Jan. 28, 2000)(charges to retained earnings resulting from un-
recovered stranded costs).

                                       28
<PAGE>

because of the application of the purchase method of accounting to the Merger.
All of Exelon's initial retained earnings will be the retained earnings of
PECO -- the Utility Subsidiary

          PECO Energy Reductions to Retained Earnings. In 1997, regulatory and
legislative actions in Pennsylvania enacted with the objective of developing
more competitive markets for generation supply led PECO to conclude that it no
longer met the criteria for application of regulatory accounting principles to
the generation portion of its businesses. As a result, PECO recorded an
extraordinary loss of $1.833 billion (after-tax) due to the write-off of
unrecoverable generation assets, including net regulatory assets. The
extraordinary loss exceeded PECO's retained earnings balance and at the end of
1997 PECO's capital accounts reflected an accumulated deficit of $781 million.
Since 1997, steady earnings growth and a low dividend payout ratio have
increased PECO's common equity accounts to eliminate the accumulated deficit and
to achieve retained earnings of $14 million as of March 31, 2000 and $89 million
as of June 30, 2000.

          ComEd's Retained Earnings Balances. In the fourth quarter of 1997, as
a result of utility restructuring legislation in Illinois and the
discontinuation of regulatory accounting, Unicom recorded an after tax reduction
to net income and retained earnings of $760 million. The reduction resulted from
the write off of regulatory assets ($810 million) offset by the net effect of
other items relating to the restructuring legislation (change in method of
revenue recognition, writedown of uranium investments, obsolete materials and a
customer refund). Partially in recognition of the changing utility industry,
Unicom also recognized a loss of $522 million in the fourth quarter of 1997
relating to the early retirement of its Zion Nuclear Station. These write-offs
reduced Unicom's retained earnings from $1.278 billion at September 30, 1997 to
a deficit of $21.2 million at December 31, 1997. At June 30, 2000, Unicom's
retained earnings were $562 million.

          As a result of the application of the purchase method of accounting to
the Merger, the current retained earnings of Unicom will be recharacterized as
additional paid-in-capital. In addition, the Merger will give rise to a
substantial level of goodwill, the difference between the aggregate fair values
of all identifiable tangible and intangible (non-goodwill) assets on the one
hand, and the total consideration to be paid by PECO for Unicom for accounting
purposes and the fair value of the liabilities assumed, on the other. In
accordance with the Commission's Staff Accounting Bulletin No. 54, Topic 5J
("Staff Accounting Bulletin"), the goodwill will be "pushed down" to Unicom's
subsidiaries, principally ComEd and reflected as additional paid-in-capital on
ComEd's financial statements. The effect of these accounting practices will be
to leave ComEd with no retained earnings, the traditional source of dividend
payment, but, nevertheless, a strong balance sheet showing a significant equity
level./42/

          In purchase accounting, the total value of the acquisition, which must
be assigned to ComEd's assets, is the total consideration to be paid for Unicom,
plus the fair value of all
_________________

/42/ See National Grid USA, Holding Co. Act Release No. 35-27166 (April 14,
2000)("push down" accounting eliminates retained earnings of acquired company);
SCANA Corporation, Holding Co. Act Release No. 35-27135 (Feb. 14, 2000)
(application of "push down" accounting eliminated retained earnings of acquired
company).

                                       29
<PAGE>

liabilities assumed in the acquisition. Generally, goodwill is the residual
balance of the total value remaining after fair values have been assigned to all
of Unicom's identifiable assets (both tangible and non-goodwill intangible
assets). Accordingly, the excess of the purchase consideration over the fair
market value of the acquired assets of Unicom will be assigned to goodwill for
generally accepted accounting purposes.

          As indicated in the Staff Accounting Bulletin, registrants that have
substantially all (generally defined as in excess of 95%) of their common stock
acquired by a third party, in a business combination accounted for under the
purchase method, should reflect the push-down of goodwill in the registrant's
post-acquisition financial statements. For any post-acquisition reporting of the
consolidated Exelon and ComEd financial statements, push down accounting will be
reflected in those statements and the full amount of goodwill associated with
the ComEd acquisition will be reflected.

          As a result of the application of purchase accounting, the common
equity of ComEd will adjusted as follows:

       .  Common stock - will continue to reflect the par value of the common
          stock issued.

       .  Paid-in-capital - will reflect a value consistent with the purchase
          price minus the par value recorded in the common stock line.

       .  Retained earnings - will be reset to zero.

The resulting common shareholders' equity will equal the total consideration
paid for the entity.

                                       30
<PAGE>

          Based on 1999 financial information and preliminary estimates of the
purchase price allocation, the application of these accounting principles to the
Merger will result in following adjustments to ComEd's books:
<TABLE>
<CAPTION>
($ in thousands)                            1999          Adjustment     Adjustment      Adjustment         Restated
                                                              (1)            (2)            (3)
<S>                                      <C>              <C>            <C>             <C>               <C>
Common stock                             $2,677,995                                                        $2,677,995
Paid-in-capital                           2,194,750                        $440,540       2,000,000         4,635,290
Retained earnings                           433,001                        (433,001)                                -
Accumulated comprehensive                     7,539                          (7,539)                                -
income, net
Treasury stock                              (10,370)      (2,000,000)                             -        (2,010,370)
Total equity                             $5,302,915      ($2,000,000)                    $2,000,000        $5,302,915
</TABLE>

          Adjustment 1 - Repurchase of common stock prior to Merger

          Adjustment 2 - Retained  earnings  accounts  are  restated as Paid-
                         in-Capital.

          Adjustment 3 - Goodwill is added to Paid-in-Capital.

          The goodwill created in connection with the Merger must be amortized
in accordance with generally accepted accounting principles. This amortization
will cause non-cash deductions from income before the determination of net
income and earnings which would result in increases to retained earnings.
Because of the additional charge caused by amortization, it will be more
difficult for ComEd to sustain earnings corresponding to its historical level.
However, given the anticipated payout ratio for both ComEd and PECO (i.e., the
percentage of earnings paid as dividends) Exelon believes that ComEd and PECO
will be able to pay dividends which will allow Exelon to pay its anticipated
common stock dividend./43/

          3.   Standards for Approval of Request

          In support of their request, Exelon asserts that each of the standards
of Section 12(c) of the 1935 Act enunciated in the EUA case are satisfied:

          .    After the Merger, and giving effect to the push down of goodwill,
               Exelon's pro forma common equity as a percentage of total
               capitalization will be 30%, consistent with the traditional
               levels of common equity capitalization that the Commission has
               authorized for other registered holding company systems. Exelon's
               commitment to maintain its consolidated capitalization at or
               above
____________________

/43/ Compare National Grid USA, Holding Co. Act Release No. 35-27166 (April 14,
2000).

                                       31
<PAGE>

               30% common equity (including securitization debt as discussed in
               the following paragraph) should result in a capital structure
               consistent with industry norms.

          .    The capital structures of ComEd and PECO will include
               approximately $2.6 billion and $4.8 billion, respectively of
               bonds rated AAA when issued and which securitized the future cash
               flows provided for by restructuring legislation in Illinois and
               Pennsylvania. Although the issuance of these bonds increased the
               debt ratio of both companies, credit rating agencies view the
               issuance of the bonds as enhancing the overall credit quality of
               the utility because of (a) the firm statutory framework and the
               elimination of uncertainty about future stranded cost recovery
               and (b) the use by ComEd and PECO of the proceeds of these
               securitization financings to retire higher cost debt and
               preferred stock and to reduce the costly equity component of
               their capital structures consistent with the goals of the State
               restructuring legislation./44/

          .    The anticipated capital structures considering the Merger and the
               Restructurings for the companies are as follows:/45/
          ----------------------------------------------------------------------
                 Company   Common Equity--Including   Common Equity--Excluding
                                Securitized Debt           Securitized Debt
          ----------------------------------------------------------------------
            Exelon                           30%                           46%
          ----------------------------------------------------------------------
            ComEd                            36%                           47%
          ----------------------------------------------------------------------
            PECO                             16%                           36%
          ----------------------------------------------------------------------

______________________

/44/ For example, the May 1999 Standard & Poor's credit report for PECO provided
as follows: "Financial strength is derived from healthy internal cash
generation, rapid debt reduction which is accelerated by the securitization
financing, and aggressive cost controls. PECO Energy has an initial leverage
target of about 60% following application of its securitization proceeds to
shrink capitalization, but this ratio is expected to decline in the next two to
three years to about 45%. Adjusted funds from operations to interest coverage
and funds from operations to total debt are expected to strengthen rapidly
because of he company's cash-generating ability." The report also noted that
"PECO Energy's withdrawal of $3.3 billion of retired bond credits related to the
company's securitization is the primary reason for raising the secured rating."

/45/ As shown in the table, Exelon, ComEd and PECO are expected to have a common
equity ratio consistent with the Commission's generally applicable standard of
at least 30% except in the case of PECO when the effect of securitization bonds
are included in the capitalization ratio calculation. The Commission has
    --------
approved disregarding securitization bonds for purposes of the capitalization
ratio calculation. West Penn Power Co., Holding Co. Act Release No. 35-27091
(Oct. 19, 1999) (equity component of capitalization was 15% including
securitization bonds and pollution control bonds). The calculations of
capitalization in this Application-Declaration include the transfer of
approximately $369 million of pollution control bonds from PECO to Genco. See
note 12 above.

                                       32
<PAGE>

          .    ComEd and PECO each have a favorable history of prior earnings
               and each has a long record of consistent dividend payments./46/

          .    Applicants anticipate that ComEd's and PECO's cash flow after the
               Merger will not differ significantly from its pre-Merger cash
               flow and that earnings should remain stable post-Merger (even
               with the amortization of goodwill that will be necessary as a
               result of the merger). Based on the anticipated dividend for
               Exelon and estimated earnings for 2001, dividends paid out of
               future earnings will reflect a dividend payout ratio of between
               30% and 40 % of consolidated net income (calculated after the
               non-cash deductions required for amortization of goodwill).
               Exelon believes this payout ratio will be sufficient to pay
               Exelon's expected annual dividend of $1.69 per share while
               retaining significant amounts of earnings to fund future growth
               in Exelon's business and provide additional equity cushion
               against future unforeseen events.

          .    The projected cash position of Exelon, ComEd and PECO after the
               Merger will be adequate to meet the obligations of each company
               and all these companies expect to have adequate cash to pay
               dividends in the amounts currently contemplated. The annual
               dividend requirement of Exelon, assuming a dividend of $1.69 per
               share and the number of shares of common stock with will be
               issued in the Merger, is $533 million. Exelon is expected to have
               free cash flow (cash from operations less capital expenditures
               and dividends) well in excess of the dividend requirement.

          .    The proposed dividend payments are in the public interest. ComEd
               and PECO are in sound financial condition as indicated by their
               credit ratings.
______________________

/46/ In recent years, ComEd's net income and common dividends and preferred
dividends of subsidiary have been:

               Year              Net Income (Loss)            Dividends Paid
                                   ($ millions)                ($ millions)
               1995                             717                      410
               1996                             743                      407
               1997                            (773)                     403
               1998                             594                      398
               1999                             624                      351


In recent years, PECO's net income and common and preferred dividends have been:

               Year              Net Income (Loss)            Dividends Paid
                                   ($ millions)                ($ millions)
               1995                             610                      390
               1996                             517                      412
               1997                          (1,497)                     417
               1998                             513                      236
               1999                             582                      208

                                       33
<PAGE>

               ComEd's senior secured bonds were rated Baa2 by Moody's Investors
               Service, Inc. prior to announcement of the Merger and, following
               announcement, were upgraded to Baa1. PECO's senior secured bonds
               are rated Baa1 by Moody's Investors Service, Inc. The
               expectations of continued strong credit ratings by ComEd and PECO
               should allow them and Exelon to continue to access the capital
               markets to finance operations and growth. Further, Exelon expects
               to have an investment grade rating following the Merger. In
               addition, the dividend payments are consistent with investor
               interest. Dividends typically comprise a significant part of
               shareholder total return for utility stocks and a decrease in the
               rate of dividend or the elimination of dividends could have an
               adverse affect on Exelon's stock price. Exelon has announced that
               the anticipated dividend for Exelon following the Merger will be
               $1.69 per share.

          G.   Rule 53 and Rule 54 Analysis

               1.  Rule 53 Requirements.

               Rule 53 provides that, if each of the conditions of paragraph (a)
thereof is met, and none of the conditions of paragraph (b) thereof is
applicable, then the Commission may not make a finding that the issuance or sale
of a security by a registered holding company for the purposes of financing the
acquisition of an EWG or the guarantee of a security of an EWG by a registered
holding company is not reasonably adapted to the earning power of such company
or to the security structure of the companies in the holding company system, or
that the circumstances are such as to constitute the making of such guarantee an
improper risk for the company. Generally, paragraph (a) limits the aggregate
amount invested in EWGs and FUCOs to not more than 50% of the holding company's
consolidated retained earnings. Paragraph (b) relates to certain events of
bankruptcy and recent significant declines in the amount of consolidated
retained earnings.

               At June 30, 2000, the pro forma consolidated amount of Exelon's
aggregate investment in EWGs and FUCOs as that term is defined in Rule 53 and
adjusted for the acquisition of the Oyster Creek station on August 8, 2000 was
$64 million. /47/ At December 31, 1999, the pro forma consolidated retained
earnings of Exelon, as defined, was negative /48/ while the June 30, 2000 number
was $89 million. Consequently, Exelon will not satisfy the safe harbor
requirement of Rule 53(a). As outlined in this Application-Declaration, however,
Exelon
______________________

/47/ The definition of aggregate investment in EWGs and FUCOs includes all
amounts invested, or committed to be invested, in EWGs and FUCOs for which there
is recourse, directly or indirectly, to Exelon. The only existing EWG investment
is PECO's investment in AmerGen which was recorded at $59.8 million at June 30,
2000. In addition, PECO has issued letter agreements to provide funding up to a
total of $100 million to be available to AmerGen in connection with the
operation and maintenance of all of the commercial nuclear power reactors
acquired or to be acquired by AmerGen. On August 14, 2000 PECO announced its
agreement to acquire 49.9% of Sithe Energies for $682 million.

/48/ Proforma Consolidated retained earnings is the average of reported
consolidated retained earnings over the four quarters ended June 30, 2000.

                                       34
<PAGE>

is seeking authority to use up to $5.5 billion of the proceeds of financings
authorized herein to acquire additional investments in EWGs and/or FUCOs. For
the reasons outlined below, Exelon seeks authority to apply the proceeds of
financings authorized herein to the acquisition of additional investments in
EWGs and FUCOs so long as its aggregate investment in EWGs and FUCOs (as that
term is defined in Rule 53) does not exceed $5.5 billion (the "Modified Rule 53
Test")./49/ Exelon requests that the Commission approve an aggregate limitation
of $4 billion immediately and reserve jurisdiction over the remaining $1.5
billion pending completion of the record.

          As of the date hereof, the only interest in EWGs of the Exelon System
is through PECO's investment in AmerGen./50/ AmerGen, which is 50% owned by
PECO, is an EWG that owns the Clinton Power Station located in Clinton,
Illinois, the Three Mile Island Unit 1 Nuclear Generating Facility located near
Middletown, Pennsylvania and the Oyster Creek Nuclear Generating Station located
near Toms River, New Jersey. AmerGen is in the process of acquiring the Vermont
Yankee Nuclear Power Station. It is anticipated that AmerGen will acquire
ownership of the Vermont Yankee facility by December 31, 2000. Exelon is
expected to have no investments in FUCOs at the date of the Merger.

          2.   Exelon's Compliance with Rule 53 Requirements.

          Giving effect to the proposals contained herein Exelon will satisfy
all of the conditions of Rule 53(a) except for clause (1) thereof, which
requires that the aggregate at risk investment of the registered holding company
in EWGs and FUCOs not exceed 50% of the holding company system's consolidated
retained earnings./51/ None of the conditions specified in Rule 53(b) is or will
be applicable./52/ Exelon will demonstrate below why complying with its proposed
Modified Rule 53 Test will not result in any adverse consequences to Exelon, its
Utility Subsidiaries or Exelon investors.

_____________________

/49/ For this purpose, retained earnings would be calculated in accordance with
generally accepted accounting principles and would not include amounts relating
to write-offs as discussed above in connection with the payment of dividends out
of capital.

/50/ Exelon seeks authority to finance for further investments in EWGs and FUCOs
as described herein.

/51/ The other requirements of Rule 53(a) provide (1) that the holding company
keep certain books and records relating to EWGs and FUCOs in accordance with
generally accepted accounting principles, (2) limitations on the number of
employees of a domestic public utility company in the holding company system who
may provide services for the EWGs and FUCOs and (3) for the holding company to
make certain filings. Exelon undertakes to comply with the forgoing
requirements. However, as noted in the Merger U-1, Genco, a "domestic public
utility" will seek authority to provide certain services to EWGs and FUCOs.
Genco seeks a waiver of the limitation on the number of employees providing such
services. See "Insulation from Risk" below.

/52/ Rule 53(b) makes the safe harbor unavailable if (1) the holding company or
certain subsidiaries have been in bankruptcy, (2) the holding company's
consolidated retained earnings have declined more than 10% from the prior year
measured as provided in the rule or (3) the holding company has reported
operating losses related to its EWG or FUCO investments.

                                       35
<PAGE>

          As described above in Item 1.F., for extraordinary reasons related to
the adoption of utility restructuring legislation in Illinois and Pennsylvania,
and because of the accounting for the Merger under generally accepted accounting
principles, Unicom and PECO have, and Exelon will have on a pro forma basis,
unusual reductions in retained earnings. But for the extraordinary write-offs
necessitated by utility restructuring legislation in Illinois and Pennsylvania,
Unicom and PECO would have had retained earnings that would have supported
aggregate investments in EWGs and FUCOs of $8 billion --significantly more than
the amount being requested for Exelon./53/ The Commission has considered, in
determining to approve investments in EWGs in excess of the Rule 53 limit,
similar situations where previously significant amounts of retained earnings
were eliminated because of extraordinary events./54/ Most importantly, as noted
above, Exelon will be a financially sound holding company with significant
equity. The Commission has recognized in similar circumstances that investments
in EWGs and FUCOs in excess of the limitations imposed under Rule 53 would not
result in a substantial adverse impact on the financial integrity of the
registered holding company system./55/

          Rule 53(c) states that, in connection with a proposal to issue and
sell securities to finance an investment in an EWG, or to guarantee the
securities of an EWG, a registered holding company that is unable to satisfy,
among other provisions, the provision that such investments may not exceed 50%
of consolidated retained earnings, must "affirmatively demonstrate" that such
proposal:

          (i)  will not have a substantial adverse impact upon the financial
          integrity of the registered holding company system; and

          (ii) will not have an adverse impact on any utility subsidiary of the
          registered holding company, or its customers, or on the ability of
          State commissions to protect such subsidiary or customers.

          The Commission has considered the "no substantial adverse impact" in
two types of circumstances: (1) where a holding company has not satisfied the
safe harbor because of

____________________

/53/ Adjusted to exclude the extraordinary losses in 1997 for restructuring
charges, PECO's retained earning balance as of June 30, 2000 would be $1.92
billion. Adjusted to exclude the extraordinary losses in 1997 for restructuring
charges, Unicom's retained earnings balance as of June 30, 2000 would be $1.45
billion. In National Grid USA, Holding Co. Act Release No. 35-27166 (April 14,
2000) the Commission approved an aggregate investment of about 250% of retained
earnings. Applying this percentage to Unicom's adjusted retained earnings would
produce an aggregate investment limit of $3.6 billion. Applying the percentage
to PECO's adjusted retained earnings would produce a limit of $4.8 billion.
While, as noted herein, the accounting for the Merger would eliminate Unicom's
retained earnings, the PECO amount alone constitutes a substantial portion of
Exelon's requested limitation.

/54/ Conectiv, Holding Co. Act Release No. 35-27111 (Dec. 14, 1999).

/55/ See, Northeast Utilities, Holding Co. Act Release No. 35-27148 (Mar. 7,
2000); Conectiv, Holding Co. Act Release No. 35-27111 (Dec. 14, 1999) (write-
offs resulting from de-regulation legislation and previous merger eliminating
acquired company's retained earnings). See also, Cinergy Corp., Holding Co. Act
Release No. 35-27190 (June 23, 2000).

                                       36
<PAGE>

extraordinary circumstances and (2) where a holding company has sought to
increase its aggregate investment beyond the 50% of consolidated retained
earnings safe harbor.

          The Commission has dealt with several cases recently where a holding
company system's consolidated retained earnings were reduced because of changes
brought about by state utility law restructuring or deregulation./56/ Write-offs
reducing retained earnings have been caused by stranded costs, disposition of
generating assets, the purchase accounting required in certain mergers and other
factors. The Commission has recognized that these are extraordinary events and,
while retained earnings have been reduced, the changes causing such reduction
have not adversely affected the fundamental financial strength of the holding
company system. As described in Item 1.F.2. above, Exelon is in a similar
situation because of State utility regulation restructuring in Illinois and
Pennsylvania and other factors.

          The second major area where the Commission has performed an analysis
of the requirements of Rule 53(c) is with respect to applications/declarations
filed by a number of the registered holding companies seeking authority to
increase their aggregate investment in EWGs and FUCOs to 100% of consolidated
retained earnings./57/ In these 100% cases, and in the situations of reduced
retained earnings caused by extraordinary situations, the Commission has
examined various factors indicating that non-compliance with the Rule 53(a) safe
harbor should not prevent Commission approval of additional financing for EWGs
and FUCOs.

          As noted in the Merger U-1, there have been significant changes to the
electric utility industry in recent years. One profound change has been the
divestiture by many traditional vertically integrated utilities of their
generation. Generation is developing as a viable business which may, but need
not be, associated with transmission and distribution companies. The generation
business is a key to Exelon's business strategy. The creation of Genco will
combine all the generating resources of Exelon, including the investment in
AmerGen. Exelon wishes to have the flexibility to acquire additional generation
resources in the United States as they become available. Further, Exelon has
plans to develop additional "greenfield" generation which will add to the
nation's energy supply and enhance competition in generation markets. These
factors suggest that the Commission should not be constrained by the very
conservative approach taken in Rule 53. At the time that rule was adopted
(1993), the market for electricity generation was just beginning to develop and
State deregulation activity had not commenced (California's landmark
deregulation legislation was in 1996). The Commission should not adopt

___________________

/56/ Northeast Utilities, Holding Co. Act Release No. 35-27148 (Mar. 7, 2000);
Northeast Utilities, Holding Co. Act Release No. 35-27147 (Mar. 7, 2000)
(restructuring legislation, asset divestitures and securitization resulted in
EWG investments in excess of 50% of retained earnings and necessity to paying
dividends out of capital); Conectiv, Holding Co. Act Release No. 35-27126 (Jan.
28, 2000)(charges to retained earnings resulting from un-recovered stranded
costs).

/57/ See The Southern Company ("Southern"), Holding Co. Act Release No. 35-26501
(April 1, 1996); Central and South West Corporation ("CSW"), Holding Co. Act
Release No. 35-26653 (Jan. 24, 1997); GPU, Inc. ("GPU"), Holding Co. Act Release
No. 35-26779 (Nov. 17, 1997); Cinergy, Inc. ("Cinergy"), Holding Co. Act Release
No.35-26848 (March 23, 1998); American Electric Power Company, Inc. ("AEP"),
Holding Co. Act Release No. 35-26864 (April 27, 1998); and New Century Energies,
Inc. ("New Century"), Holding Co. Act Release No. 35-26982 (February 26, 1999)
(collectively, the "100% Orders").

                                       37
<PAGE>

a policy that will hamper the continued development of a competitive market for
electric generation and the resulting benefits to consumers.

          In the U.S., competition and deregulation are redefining the utility
industry. The prototype "utility company" (vertically integrated, operating
entirely on a local or regional basis, deriving substantially all earnings from
regulated, monopoly sales) is, or soon will be, defunct. To prepare for the
onset of fully competitive markets, utilities are "reinventing" themselves --
restructuring their businesses, including through asset sales (whether
voluntarily or as a result of state or other regulatory mandates), pursuing
mergers and acquisitions including "convergence" gas/electric transactions, and
diversifying into non-traditional businesses, such as wholesale energy marketing
and foreign utility acquisitions. To compete effectively in this new
environment, Exelon must have the opportunity to build scale and scope in these
non-traditional "nonutility" businesses which are now not only commonplace, but
integral and vital. One of the most significant industry dynamics is the growing
divestiture of generating assets in the U.S. by traditional electric utilities,
in many cases under legislative or regulatory mandates. Since 1997, U.S.
investor-owned electric utilities have sold approximately 70 gigawatts ("GW") of
generating assets. The combination of these completed sales, together with
pending sales transactions at December 31, 1999, cover 24 % of the total
installed generation capacity owned by U.S. investor-owned electric utilities at
December 31, 1997. If transfers or proposed transfers to unregulated affiliates
are also included, the total rises to 31.6 %./58/

          The limitation of Rule 53, covering investments in both U.S. wholesale
generating facilities and foreign utility assets, would prevent Exelon from
actively participating as a buyer or bidder in even one of these markets, much
less both. The reason is the large dollar investments required to close major
transactions, as compared to the investment capacity available under Rule 53.
The capability to bid on the full range of available opportunities in both
markets, including especially the larger, more significant transactions, is
vital to Exelon's growth strategies, just as it is for Exelon's competitors. To
survive in the restructured utility industry, Exelon needs to compete on an
equal footing with other participants. Some competitors are not subject to the
limitations of the Act; others are subject to the Act but have authority to
invest in EWGs and FUCOs in amounts in excess of the Rule 53 limitation.

          Additional investments in EWGs and FUCOs and financing for such
purposes will not have a "substantial adverse impact" on the financial integrity
of the Exelon System. The lack of any "substantial adverse impact" on Exelon's
financial integrity can be demonstrated in several ways:

          .    Exelon will be created by the merger of two companies which have
               not been subject to the Act. PECO, which has substantially all of
               the investment in EWGs and FUCOs applicable to Exelon, was
               recognized as a financially sound company notwithstanding the
               reductions to its retained earnings caused by the factors
               outlined above.

____________________

/58/ Edison Electric Institute, "Divestiture Action & Analysis," January 2000
Issue.

                                       38
<PAGE>

          .    The investment in EWGs has a history of positive impact on PECO's
               operating results. The equity in the earnings of AmerGen for the
               six months ended June 30, 2000 was $20 million (the first full
               quarters in which AmerGen was in operation)./59/

          .    The generating stations operated by AmerGen, which will
               constitute substantially all of Exelon's investments in EWGs
               immediately after the Merger, represent unique investment
               opportunities in nuclear power plants in good physical condition
               with experienced nuclear operating organizations that have the
               potential to operate as baseload units at a high capacity factor
               producing low cost power over an extended period of time. For
               example, the Three Mile Island-1 plant is widely regarded as one
               of the top performing pressurized water reactor (PWR) plants in
               the country and the Clinton plant is a relatively new boiling
               water reactor (BWR) plant which was shutdown for an extended
               period and has over 25 years remaining on its original NRC
               operating license. The coordinated operation of multiple plants
               within a larger nuclear organization, rather than as stand-alone
               plants, offers the potential for greater operational efficiencies
               and economies of scale. The sharing of best management, safety,
               maintenance, and operating practices within such an organization,
               coupled with a diversity of reactor designs and plant locations,
               also reduces the risk and potential impact of prolonged outages
               due to technical problems or local regulatory concerns.

          .    Although pro forma retained earnings at June 30, 2000 are only
               $89 million, Exelon's retained earnings are expected to increase
               steadily during the Authorization Period as a result of a
               conservative payout ratio. Exelon is seeking authorization only
               to increase its aggregate investment by an amount equal to 100%
               of this increase in retained earnings -- a percentage the
               Commission has approved on numerous occasions./60/

          .    On a pro forma basis, Exelon's financial condition and
               anticipated financial performance will be within the range found
               acceptable by the Commission in other cases as demonstrated
               below.

          .    PECO Energy Strategic Approval Process Summary

               The Board of Directors of PECO Energy established authorization
               oversight levels for investments in capital expenditures,
               mergers, acquisitions, new businesses, divestitures, and
               contracts. PECO Energy has a comprehensive

___________________

/59/ AmerGen commenced operations in December 1999 with the acquisition of
Clinton and Three Mile Island stations. PECO recorded an equity loss of $486,000
in 1999 reflecting PECO's 50% share of AmerGen's start-up costs.

/60/ See the "100% Orders" referred to above.

                                       39
<PAGE>

               development, review and approval process for investments that
               indicates specific review and approval delegations from the Board
               of Directors through corporate officers. This process is
               internally referred to as the Strategic Asset Management Approval
               Process (SAMAP). The SAMAP committee consists of Corbin McNeill,
               Jr. and his direct reports. Each project is independently
               reviewed by the Corporate Project evaluations staff for
               completeness of the analysis and adherence to corporate valuation
               standards.

               All acquisitions above $25 million in consideration are reviewed
               through the SAMAP process and are approved by the Board of
               Directors. Non-nuclear acquisitions with consideration below $25
               million are approved by the PECO Energy senior management team.
               Nuclear acquisitions below $25 million of consideration are
               reviewed by senior management and approved jointly by the Finance
               and Nuclear committees of the Board.

               The SAMAP process begins with the development of a business case.
               Each investment is reviewed several times by a cross functional
               committee (FRG) who reviews the assumptions, analysis and
               strategic alignment of the investments. This committee is
               composed of individuals from various functional areas including
               legal, tax, accounting, treasury, corporate development
               information systems. The FRG provides a memorandum to senior
               management indicating any open issues or areas of concern
               regarding the investment. The FRG does not have approval
               authority for investments.

               SAMAP meets, reviews the investment documentation in conjunction
               with the input from the FRG and Corporate Project Evaluations,
               discusses the investment and renders a decision whether the
               investment should be made, abandoned or additional analysis
               performed.

          The following paragraphs provide data analyzing the impact of the
investments in EWGs and FUCOs on the Exelon System in light of the tests
developed by the staff in the course of adopting the 100% Orders. These tests
involve analysis of:

          Ratios of EWG/FUCO investment to:

             .  Consolidated Capitalization

             .  Consolidated Net Utility Plant

             .  Total Consolidated Assets

             .  Market Value of Outstanding Stock

             .  Growth in consolidated retained earnings

          Stock price to earnings ratio

                                       40
<PAGE>

          Market to book ratio

          Dividend payout ratio

          Capitalization ratios

               Capitalization Ratios.  Exelon's proposed aggregate investment in
               ---------------------
EWGs would represent a reasonable commitment of Exelon capital for a company the
size of Exelon, based on various financial ratios at June 30, 2000./61/ For
example, investments of this amount would be equal to only approximately:

          24.2 % of Exelon's total consolidated capitalization ($22.7
          billion),/62/

          31.6 % of consolidated net utility plant ($17.4 billion),

          15.2 % of total consolidated assets ($36.3 billion), and

          35.7 % of the pro forma market value of Exelon's outstanding common
          stock ($15.4 billion)/63/








____________________

/61/ For purposes of the analysis an aggregate investment of $5.5 billion is
used. The comparable figure for the amount immediately requested -- $4 billion
--is set out in the table below.

/62/ This calculation of pro forma capitalization includes securitization debt.
The figure excluding securitization debt would be about $14.9 billion and the
aggregate investment would be about 37%.

/63/ The market value of Exelon common stock is calculated using an assumed
value of $48.9375 per share times the number of shares of Exelon common stock
expected to be outstanding following the merger. The closing price of PECO on
August 15, 2000 was $48.9375. Unicom's closing price on that date was $46.25.

                                       41
<PAGE>

          The table below illustrates that Exelon's exposure to EWG/FUCO
investments will be comparable to the companies who received the 100% Orders. In
several categories, the percentage applicable to Exelon is well below the
highest percentage found reasonable by the Commission in the 100% Orders.

               Investments in EWGs and FUCOs as a percentage of:
               -------------------------------------------------

<TABLE>
<CAPTION>
-------------------------------------------------------------------------------------------------------------------
        Company               Consolidated          Consolidated Net      Consolidated Total       Market Value of
                             Capitalization          Utility Plant              Assets              Common Stock

-------------------------------------------------------------------------------------------------------------------
<S>                          <C>                    <C>                   <C>                      <C>
Southern                                16.3                    15.4                   11.0                   20.4

-------------------------------------------------------------------------------------------------------------------
CSW                                     23.0                    23.0                   14.0                   31.0

-------------------------------------------------------------------------------------------------------------------
GPU                                     24.9                    34.2                   19.4                   49.8

-------------------------------------------------------------------------------------------------------------------
Cinergy                                 16.0                    16.0                   11.0                   19.0

-------------------------------------------------------------------------------------------------------------------
AEP                                     16.0                    13.8                    9.8                   18.5

-------------------------------------------------------------------------------------------------------------------
Cinergy 2000/64/                        24.3                    24.6                   16.5                   47.9

-------------------------------------------------------------------------------------------------------------------
Average                                 20.1                    21.2                   13.6                   31.1
-------                                 ----                    ----                   ----                   ----
-------------------------------------------------------------------------------------------------------------------
Exelon Aggregate                        24.2                    31.6                   15.2                   35.7
Investment ($5.5
billion)

-------------------------------------------------------------------------------------------------------------------
Exelon Aggregate                        18.9                    23.3                   11.1                   28.2
Investment ($4
billion)/65/

-------------------------------------------------------------------------------------------------------------------
</TABLE>

          The most recent Commission order relating to investments in EWGs and
FUCOs was for Cinergy Corp. Based upon financial information derived from
Cinergy's most recent Annual Report on Form 10-K, dated March 31, 2000, an
aggregate investment in EWGs and FUCOs of $1.58 billion would represent:

_______________

/64/ Cinergy Corp., Holding Co. Act Release No. 27190 (June 23, 2000) (aggregate
limit in EWGs and FUCOs of $1.58 billion consisting of its current investment of
$580 million plus $1 billion additional).

/65/ At this level, the amount for which Exelon is requesting immediate
approval, Exelon would be well below the average in each category except one and
significantly below the Cinergy 2000 precedent.

                                       42
<PAGE>

       .  24.3% of Cinergy's consolidated capitalization ($6.5 billion);
       .  24.6% of Cinergy's consolidated net utility plant ($6.4 billion);
       .  16.5% of Cinergy's consolidated assets ($9.6 billion); and
       .  47.9% of the market value of Cinergy's outstanding stock
          ($3.3 billion).

          Applying the same percentages to Exelon's pro forma financial amounts
to calculate an equivalent aggregate investment for Exelon produces the
following:

       .  24.3% of Exelon's consolidated capitalization ($22.7 billion) equals
          $5.52 billion;
       .  24.6% of its consolidated net utility plant ($17.4 billion) equals
          $4.28 billion;
       .  16.5% of its consolidated assets ($36.3 billion) equals $5.99 billion;
          and
       .  47.9% of the market value of outstanding stock ($15.4 billion) equals
          $7.38 billion.

          Applying the average percentages found on the table above to Exelon's
pro forma financial amounts to calculate an equivalent aggregate investment for
Exelon produces the following:

       .  20.1% of Exelon's consolidated capitalization ($22.7 billion) equals
          $4.56 billion;
       .  21.2% of its consolidated net utility plant ($17.4 billion) equals
          $3.69 billion;
       .  13.6% of its consolidated assets ($36.3 billion) equals $4.94 billion;
          and
       .  31.1% of the market value of outstanding stock ($15.4 billion) equals
          $4.79 billion.

          These comparisons clearly show that Exelon's immediate request for an
aggregate limitation on EWG and FUCO investments of $4 billion is well within
existing precedent.

          Consolidated Retained Earnings Growth. As a result of declining payout
          -------------------------------------
ratios, preferred stock redemptions and excluding the extraordinary losses in
1997, the retained earnings balances of both Unicom and PECO had been increasing
since 1994. Adjusted to exclude the extraordinary losses in 1997 for
restructuring charges, PECO's retained earning balance as of June 30, 2000 would
be $1.92 billion, or a 137% increase since 1994. Adjusted to exclude the
extraordinary losses in 1997 for restructuring charges, Unicom's retained
earnings balance as of June 30, 2000 would be $1.45 billion, or a 158% increase
since 1994. Excluding the effects of the write-offs in 1997, Unicom and PECO had
earnings consistent with this performance and have seen strong earnings growth
in recent years:

<TABLE>
<CAPTION>
                                Unicom                           PECO
                                ------                           ----
--------------------------------------------------------------------------------------
                    1998 over 1997  1999 over 1998  1998 over 1997  1999 over 1998
--------------------------------------------------------------------------------------
<S>                 <C>             <C>             <C>             <C>
Net income                18.8            11.7            56.3            14.1
growth (%)

--------------------------------------------------------------------------------------
Earnings per share        17.6            11.5            55.6            29.9
--------------------------------------------------------------------------------------
</TABLE>

                                       43
<PAGE>

<TABLE>
--------------------------------------------------------------------------------------------------------------------
<S>                          <C>                    <C>                   <C>                    <C>
growth (%)
--------------------------------------------------------------------------------------------------------------------
</TABLE>

          Share Price to Earnings Ratio. The financial strength anticipated for
          -----------------------------
Exelon is reflected in the current Price/Earnings ratios of Unicom and PECO,
both of which exceed industry averages. Unicom's P/E ratio as of May 16, 2000
was 13.2 and PECO's was 12.5, compared to the average for utilities in the
Standard & Poor's Electric Utility Index of 11.6.

          Market to Book Ratio. Exelon's market to book ratio is currently 2.29
          --------------------
based on a pro forma book value of $ 21.36 per share as of June 30, 2000 and an
assumed market price of $48.9375 per share. This ratio is above the industry
average, which was 1.76 as of August 16, 2000 according to Factset Research
Systems estimates.

          Dividend Payout Ratio. Unicom's current payout ratio is 48% based on
          ---------------------
First Call consensus estimates for 2000. PECO's current payout ratio is 28%.
Based on the anticipated dividend and estimates for 2001 earnings Exelon's
payout ratio will be approximately 30% to 40%. This range is below the industry
average of 64.2% reflecting Exelon's response to increasing competition and
other challenges facing the industry. A payout ratio at this level will enable
Exelon to build its equity cushion to support future growth.

          Capitalization Ratios. The credit ratings from major nationally
          ---------------------
recognized rating agencies for Unicom and ComEd and PECO are set out the in the
table below. All three rating agencies that rate ComEd's securities raised their
ratings in 1999. Exelon will seek ratings from Standard & Poor's, Moody's and
FitchIBCA (which merged with Duff & Phelps effective June 1, 2000).

<TABLE>
<CAPTION>
--------------------------------------------------------------------------------------------------------------------
Company and type                    S&P                 Moody's                 Fitch              Duff & Phelps
   of rating

--------------------------------------------------------------------------------------------------------------------
<S>                          <C>                    <C>                   <C>                    <C>
Unicom                       BBB                    Baa3                  NA                     BBB

--------------------------------------------------------------------------------------------------------------------
ComEd                        --                     --                    --                     --

--------------------------------------------------------------------------------------------------------------------
 .    Secured                 BBB+                   Baa1                  NA                     A-

--------------------------------------------------------------------------------------------------------------------
 .    Unsecured               BBB                    Baa2                  NA                     BBB+

--------------------------------------------------------------------------------------------------------------------
 .    Preferred Stock         BBB-                   Baa2                  NA                     BBB

--------------------------------------------------------------------------------------------------------------------
 .    Commercial              A-2                    P-2                   NA                     D-1
     Paper

--------------------------------------------------------------------------------------------------------------------
PECO                         --                     --                    --                     --

--------------------------------------------------------------------------------------------------------------------
 .    Corporate               A-                     Baa1                  A-                     A-

--------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       44
<PAGE>

<TABLE>
--------------------------------------------------------------------------------------------------------------------
<S>                          <C>                    <C>                   <C>                    <C>
 .    Secured                 A                      Baa1                  A-                     A-

--------------------------------------------------------------------------------------------------------------------
 .    Unsecured               BBB+                   Baa2                  BBB+                   BBB+

--------------------------------------------------------------------------------------------------------------------
 .    Preferred Stock         BBB                    baa2                  BBB+                   BBB

--------------------------------------------------------------------------------------------------------------------
 .    Commercial              A-2                    P-2                   F-2                    D-1-
     Paper

--------------------------------------------------------------------------------------------------------------------
</TABLE>

          Rule 53(b) Factors. With respect to the relevant financial benchmarks
          ------------------
specifically contemplated by Rule 53(b), none is applicable:

               .    there has been no bankruptcy of Unicom or any of its
                    associate companies or of PECO or any of its associate
                    companies. (Rule 53(b)(1));

               .    pro forma average consolidated retained earnings for the
                    four most recent quarterly periods have not decreased by
                    more than 10% from the average for the preceding four
                    quarterly periods (Rule 53(b)(2));

               .    Exelon's aggregate investment in EWGs and FUCOs at June 30,
                    2000, did not exceed 2% of Exelon's pro forma consolidated
                    capital invested in utility operations; and

               .    in the previous fiscal year, neither Unicom nor PECO
                    reported operating losses attributable to its direct or
                    indirect investments in EWGs and FUCOs that exceeded an
                    amount equal to 5% of their consolidated retained earnings
                    (Rule 53(b)(3))./66/

          Exelon undertakes to notify the Commission by filing a post-effective
amendment in this proceeding in the event that any of the circumstances
described in Rule 53(b) arise during the Authorization Period.

          Impact of Investments in EWGs and FUCOs on Utility Subsidiaries.
          ----------------------------------------------------------------
Exelon's request in this Application/Declaration to authorize the existing and
proposed investments in EWGs and FUCOs will not have an "adverse impact" on
either ComEd or PECO, their respective customers, or on the ability of the
Illinois Commission or the Pennsylvania Commission to protect such Utility
Subsidiaries or such customers./67/

______________________

/66/ AmerGen commenced operations in December 1999 with the acquisition of
Clinton and Three Mile Island stations. PECO recorded an equity loss of $486,000
in 1999 reflecting PECO's 50% share of AmerGen's start-up costs.

/67/ No other Utility Subsidiary is subject to rate regulation by a state
commission. Genco is not a public utility for state law purposes and none of the
other Utility Subsidiaries (the Indiana Company and the Conowingo Companies)

                                       45
<PAGE>

          This conclusion is supported by (i) the insulation of ComEd and PECO
and their customers from potential direct adverse effects of Exelon's
investments in EWGs and FUCOs; (ii) the effects of utility regulation
restructuring in Illinois and Pennsylvania, including the retail rate caps and
rate freeze imposed on ComEd and PECO and the opening of the energy supply
business to retail customer choice, (iii) ComEd's and PECO's current financial
health and (iv) the proven effectiveness of state commission oversight over
ComEd and PECO.

          Insulation from Risk. All of Exelon's investments in EWGs and FUCOs
          --------------------
are, and in the future will remain, segregated from ComEd and PECO. Any losses
that may be incurred by such EWGs and FUCOs would have no effect on the rates of
ComEd or PECO -- even after the rate caps and rate freezes now in effect expire.
Exelon represents that it will not seek recovery through higher rates from ComEd
or PECO utility customers in order to compensate Exelon for any possible losses
that it or any Subsidiary may sustain on the investment in EWGs or FUCOs or for
any inadequate returns on such investments.

          Moreover, to the extent that there may be indirect impacts on ComEd or
PECO from Exelon's EWG and FUCO investments through effects on Exelon's capital
costs, the Illinois Commission and the Pennsylvania Commission have broad
discretion to set the cost of capital for the utility subject to their
jurisdiction by a variety of accepted means and are free to exclude any adverse
impacts due to EWGs and FUCOs. Therefore, the state commissions have the
authority and the mechanisms to prevent any adverse effects on the cost of
capital due to investments in EWGs and FUCOs from being passed on to utility
customers.

          Exelon will comply with the requirements of Rule 53(a)(3) regarding
the limitation on the use of ComEd and PECO employees in connection with
providing services to EWGs and FUCOs. The restructuring of ComEd and PECO and
the creation of Genco is not anticipated to have any major impact on utilization
of Utility Subsidiary employees, except for personnel adjustments related to the
integration of two previously independent organizations. Neither ComEd nor PECO
will increase staffing levels to support the operations of any EWG or FUCO.
AmerGen operations will be conducted by those employees currently engaged in
that business. Development of new EWG or FUCO projects will be conducted through
Genco, one or more Subsidiaries of Genco and/or Exelon Services./68/

          As noted in the Merger U-1, Genco will seek authority to render
certain services to EWGs and FUCOs, especially relating to nuclear operations.
While Genco is a "domestic

________________________________________________________________________________

has any retail customers. References to PECO refer to its distribution and
transmission function only because its generating assets will be distributed to
Genco.

/68/ In the Merger U-1, Exelon is seeking authorization for Genco to provide
services to AmerGen related to, among other things, nuclear operations. One of
the primary economies and benefits of combining all generating operations in
Genco is the ability to adopt best practices and otherwise improve the
operations of nuclear stations while enhancing safety. While Genco is a "public-
utility company" under the Act, it is not a traditional rate regulated utility
and has no retail customers. All Genco's sales, including those to ComEd and
PECO are subject to FERC jurisdiction. Accordingly, to the extent necessary
Genco seeks a waiver of the requirement of Rule 53 that would limit the number
of its employees who can render services to EWGs and FUCOs.

                                       46
<PAGE>

public utility" for purposes of Rule 53, it is not subject to State rate
regulation. Further, while it will sell power to ComEd and PECO, the rate payers
of those companies are fully protected by existing rate freezes and caps and the
ability to choose their energy supplier directly. Thus ComEd and PECO ratepayers
are not captive to the charges of Genco. Consequently, there is no reason that
ComEd and PECO ratepayers need to be "protected" from the diversion of Genco
employees time and attention to the activities of EWGs and FUCOs. Consequently,
Exelon requests that the limit on use of Genco employees in connection with EWGs
and FUCOs not apply.

          Finally, Exelon will comply with the other conditions of Rule 53(a)
providing specific protections to customers of ComEd and PECO and their state
commissions, in particular, the requirements of Rule 53(a)(2) regarding the
preparation and making available of books and records and financial reports
regarding EWGs and FUCOs, and the requirements of Rule 53(a)(4) regarding filing
of copies of applications and reports with other regulatory commissions.

          Financial Health of ComEd and PECO. As indicated earlier in this
          ----------------------------------
Application/Declaration, the reduced retained earnings of Unicom and PECO are
mainly the result of accounting changes mandated by State restructuring
legislation and the push-down accounting for the Merger. Notwithstanding these
events, ComEd and PECO are financially strong companies with stable earnings and
cash flows. As noted above, ComEd and PECO have sound investment grade ratings
by the major nationally recognized rating agencies. These ratings have been
evaluated in light of the proposed Merger. At June 30, 2000, ComEd ratios,
including securitization debt, were common equity, 35.8%, preferred stock,
3.02%, current maturities, 3.6%, long-term debt, 54.7% and short-term debt,
2.9%. The PECO ratios, including securitization debt, were common equity, 16.3%,
preferred stock, 3.5%, current maturities, 2.4%, long-term debt, 71.1% and
short-term debt, 6.7%./69/

          Exelon's current and proposed investments in EWGs and FUCOs will not
have any negative impact on ComEd's and PECO's ability to fund operations and
growth. Current projections indicate that ComEd and PECO will continue to fund
operations and construction expenditures primarily from internal sources of cash
and credit facilities. Neither ComEd nor PECO anticipate any further major asset
sales or any significant additional securitization./70/ Moreover, there is
ongoing evidence that ComEd and PECO can access capital markets as needed,
although their ability to issue debt and preferred equity securities in the
future depends upon earnings coverages and market factors at the time such
securities are issued.

___________________

/69/ At June 30, 2000, ComEd's capital structure (excluding securitization debt)
was 47% common equity, 4% preferred stock and 44% long term debt, 1% current
maturities and 4% short-term debt. At that date, PECO's capital structure
(excluding securitization debt) was 36% common equity, 8% preferred stock, 41%
long term debt and 15% short-term debt.

/70/ PECO anticipates that it will refinance during the Authorization Period up
to the full outstanding principal amount of its transition bonds due March 1,
2004 and due September 1, 2007 with additional transition bonds. The refinancing
will be pursuant to the financing order of the Pennsylvania Commission and thus
will be exempt under Rule 52. PECO will use the same financing structure with
PECO Energy Transition Trust (or similar entity) as the issuer. See PECO Energy
Transition Trust Form S-3 Registration Statement, File No. 333-31646.

                                       47
<PAGE>

          Adequacy Of State Commission Oversight. Only two state commissions
          --------------------------------------
have jurisdiction over the operations of the principal Utility Subsidiaries --
ComEd and PECO -- the Illinois Commission and the Pennsylvania Commission
(collectively, "State Commissions"). The State Commissions are able to protect
utility customers within their respective states. Importantly, the rates now
paid by retail customers in Illinois and Pennsylvania may not be increased for
several years in accordance with state utility regulation restructuring
legislation and State Commission actions. Pursuant to legislation in both
states, the State Commissions are actively encouraging competition in the
industry. The State Commissions have jurisdiction over the transfer of
generating assets to Genco. The Pennsylvania Commission has granted this
approval./71/ The Illinois Commission has the transfer under review. The State
Commissions each have considerable authority to regulate transactions between
ComEd and PECO, respectively, and their affiliates to ensure that customers of
the utility are not harmed by such transactions. For these reasons, the State
Commissions will have adequate authority to protect ComEd and PECO customers
from any adverse effect associated with Exelon's existing and proposed
investments in EWGs and FUCOs.

          The Pennsylvania Commission has issued a letter to the Commission
indicating that the Pennsylvania Commission "retains sufficient jurisdiction
under Pennyslvania's Public Utility Code to assure adequate protection of PECO
customers and ratepayers" in light of Exelon's potential investment in EWGs and
FUCOs as contemplated by this application. Exelon understands the Illinois
Commission is considering a similar letter.

          Accordingly, Exelon asks the Commission to grant it an exception to
the requirements of Rule 53(a)(1) in connection with the proposed financing for
the purpose of additional investments in EWGs and FUCOs subject to the
limitation that Exelon's aggregate investment in EWGs and FUCOs will not exceed
$5.5 billion during the Authorization Period. Exelon requests that the
Commission approve $4 billion at this time and reserve jurisdiction on the
remainder pending completion of the record.

          3.   Exelon Rule 53 Undertakings.

          Exelon hereby undertakes to file a report with the Commission within
60 days after the end of each calendar quarter beginning with the first quarter
ending at least 45 days following the date of the Commission's order in this
proceeding, providing:

          .    A computation in accordance with rule 53(a) of Exelon's aggregate
               investment in all EWGs and FUCOs;

          .    Consolidated capitalization ratio of Exelon as of the end of that
               quarter, with consolidated debt to include all short-term debt
               and non-recourse debt of all EWGs and FUCOs;

________________

/71/ Pa. PUC, Docket Nos. R-00973953 and P-0091265, Final Order, para. 2, p. 10;
Joint Petition for Full Settlement of PECO Energy Company's Restructuring Plan
and Related Appeals and Application for a Qualified Rate Order and Application
of Transfer of Generation Assets, April 29, 1998, para. 28.

                                       48
<PAGE>

          .    Analysis of the growth in consolidated retained earnings which
               segregates total earnings growth of EWGs and FUCOs from that
               attributable to other subsidiaries of Exelon;

          .    A statement of revenues and net income for each EWG and FUCO for
               the twelve months ending as of the end of that quarter.

          4.   Rule 54 Analysis.

          Rule 54 promulgated under the Act states that in determining whether
to approve the issue or sale of a security by a registered holding company for
purposes other than the acquisition of an EWG or FUCO, or other transactions by
such registered holding company or its subsidiaries other than with respect to
EWGs or FUCOs, the Commission shall not consider the effect of the
capitalization or earnings of any subsidiary which is an EWG or FUCO upon the
registered holding company system if Rules 53(a), (b) and (c) are satisfied.
Neither Unicom nor PECO currently own any FUCOs. As described above in detail,
Exelon will not be in compliance with all of the provisions of Rule 53 safe
harbor. Exelon believes that, for the reasons set out above, the Commission
should approve additional financing for the purpose of making additional
investments in EWGs and FUCOs up to the Modified Rule 53 Limitation. For those
same reasons, Exelon urges the Commission to make no adverse findings under Rule
54 in connection with the financing approval sought herein for other purposes.

     H.   Dividend Reinvestment Plan

          Exelon will establish a dividend reinvestment plan which is expected
to incorporate the existing features of the plans currently offered by Unicom
and PECO. Upon consummation of the Merger, the dividend reinvestment plans of
Unicom and PECO will be terminated (or one company's plan will be adopted by
Exelon) and participants will be eligible to become participants in the Exelon's
new or adopted plan ("Exelon DRP").

          Exelon proposes, from time to time during the Authorization Period, to
issue and/or acquire in open market transactions or by some other method which
complies with applicable law and Commission interpretations then in effect up to
21 million shares of Exelon common stock under the Exelon DRP, certain incentive
compensation plans and certain other employee benefit plans described below./72/

          Exelon will file with the Commission an amendment to this
Application/Declaration providing the details of the Exelon DRP. In the event
those details are unknown at the time the Commission is otherwise prepared to
issue an order in this matter, Exelon will request the Commission retain
jurisdiction over the terms of the Exelon DRP pending completion of the record.


___________________

/72/ The open market acquisitions for purpose of this plan will be made pursuant
to Rule 42.

                                       49
<PAGE>

     I.   Employee Stock-Based Plans

          Exelon proposes, from time to time during the Authorization Period, to
issue and/or acquire in open market transactions or by some other method which
complies with applicable law and Commission interpretations then in effect up to
21 million shares of Exelon common stock under the Exelon DRP and the employee
stock-based plans described below./73/

          Prior to the Merger, Unicom will (i) adjust the terms of all
outstanding Unicom Employee Stock Options to provide that, at the Merger
Effective Time (as defined in the Merger Agreement), each Unicom Employee Stock
Option outstanding immediately prior to the Merger Effective Time shall be
deemed to constitute an option to acquire, on the same terms and conditions as
were applicable under such Unicom Employee Stock Option, the same number of
shares of Exelon Common Stock as the holder of such Unicom Employee Stock Option
would have been entitled to receive pursuant to the Merger had such holder
exercised such Unicom Employee Stock Option in full immediately prior to the
Merger Effective Time, except that this adjustment will be made as if the
exchange ratio were 0.95 instead of 0.875 and the $3.00 per share cash
consideration will be disregarded, (ii) make such other changes to the Unicom
Stock Plans and the terms of any Unicom Employee Stock Options as it deems
appropriate to give effect to the Merger (subject to the approval of PECO, which
shall not be unreasonably withheld); and (iii) ensure that, after the Merger
Effective Time, no Unicom Employee Stock Options may be granted under any Unicom
Stock Plan.

          Prior to the Merger, PECO will: (i) adjust the terms of all
outstanding PECO Employee Stock Options to provide that, at the Exchange
Effective Time (as defined in the Merger Agreement), each PECO Employee Stock
Option outstanding immediately prior to the Exchange Effective Time shall be
deemed to constitute an option to acquire, on the same terms and conditions as
were applicable under such PECO Employee Stock Option, the same number of shares
of Exelon Common Stock as the holder of such PECO Employee Stock Option would
have been entitled to receive pursuant to the Merger had such holder exercised
such PECO Employee Stock Option in full immediately prior to the Exchange
Effective Time; (ii) make such other changes to the PECO Stock Plans and the
terms of outstanding PECO Employee Stock Options as it deems appropriate to give
effect to the Merger (subject to the approval of Unicom, which shall not be
unreasonably withheld); and (iii) ensure that, after the Exchange Effective
Time, no PECO Employee Stock Options may be granted under any PECO Stock Plan.

          Upon completion of the Merger, Exelon will assume all the obligations
of Unicom under the Unicom Stock Plans, each outstanding Unicom Employee Stock
Option and the agreements evidencing the grants thereof. Exelon will comply with
the terms of the Unicom Stock Plans and ensure, to the extent required by, and
subject to the provisions of, such Unicom Stock Plans, that the Unicom Employee
Stock Options that qualified as qualified stock options prior to the Merger
Effective Time continue to qualify as qualified stock options after the Merger
Effective Time.

___________________

/73/ The open market acquisitions for purpose of these plans will be made
pursuant to Rule 42.

                                       50
<PAGE>

          Upon completion of the Merger Exelon will also assume all the
obligations of PECO under the PECO Stock Plans, each outstanding PECO Employee
Stock Option and PECO SAR and the agreements evidencing the grants thereof.
Exelon will comply with the terms of the PECO Stock Plans and ensure, to the
extent required by, and subject to the provisions of, such PECO Stock Plans,
that the PECO Employee Stock Options that qualified as qualified stock options
prior to the Exchange Effective Time continue to qualify as qualified stock
options after the Exchange Effective Time.

          With respect to each employee or director benefit or compensation
plan, program or arrangement, other than the Unicom Stock Plans and the PECO
Stock Plans, under which Unicom Common Stock or PECO Common Stock is required to
be used for purposes of the payment of benefits, grant of awards or exercise of
options (each, a "Stock Plan"), (i) Unicom and the PECO shall take such action
as may be necessary so that, after the Merger Effective Time, such Stock Plan
shall provide for issuance or purchase in the open market only of Exelon Common
Stock rather than Unicom Common Stock or PECO Common Stock, as the case may be,
and otherwise to amend such Stock Plans to reflect the Merger, and (ii) Exelon
shall take all corporate action necessary or appropriate to obtain shareholder
approval with respect to such Stock Plan to the extent such approval is required
for purposes of the Internal Revenue Code or other applicable law. Exelon shall
take all corporate action necessary to reserve for issuance a sufficient number
of shares of Exelon Common Stock for delivery upon exercise of the Unicom
Employee Stock Options and PECO Employee Stock Options assumed as described
above or the payment of benefits, grant of awards or exercise of options under
such Stock Plans. As soon as reasonably practicable after the Merger Effective
Time, Exelon shall file one or more registration statements on Form S-8 (or any
successor or other appropriate form) with respect to the shares of Exelon Common
Stock subject to such Unicom Employee Stock Options and PECO Employee Stock
Options or to such Stock Plans and shall use its reasonable best efforts to
maintain the effectiveness of such registration statement or registration
statements (and maintain the current status of the prospectus or prospectuses
contained therein or related thereto) for so long as such Unicom Employee Stock
Options and PECO Employee Stock Options or such benefits or grants of awards
remain payable or such options remain outstanding. For purposes of the above:

          .    "Unicom Employee Stock Option" means any option to purchase
               Unicom Common Stock granted under any Unicom Stock Plan.

          .    "Unicom Stock Plans" means the Long-Term Incentive Plan of Unicom
               as amended from time to time.

          .    "PECO Employee Stock Option" means any option to purchase PECO
               Common Stock granted under any PECO Stock Plan.

          .    "PECO Stock Plans" means the PECO Energy Company 1989 Long-Term
               Incentive Plan and the PECO Energy Company 1998 Stock Option
               Plan.

          .    "PECO SAR" means any stock appreciation right linked to the price
               of PECO Common Stock and granted under any PECO Stock Plan.

                                       51
<PAGE>

     The total number of shares awarded or issued from the plans referred to
above in 1999, and average for 1998 and 1999, was as follows:

<TABLE>
<CAPTION>
-------------------------------------------------------------------------------------------------
      Company/74/                       Total 1999                         Average 1998-1999

-------------------------------------------------------------------------------------------------
<S>                             <C>                              <C>
 PECO                           --                               --
 ----
-------------------------------------------------------------------------------------------------
 . Stock options granted        2,049,789                        2,568,674 avg.


-------------------------------------------------------------------------------------------------
 . Shares issued on             0 new shares issued              0 new shares issued
   exercise of options
                                568,000 options exercised        1,349,372 avg. options
                                                                 exercised

-------------------------------------------------------------------------------------------------
 . Shares issued for other      120,300 restricted shares        63,650 avg. restricted shares
   awards                       granted                          granted

-------------------------------------------------------------------------------------------------
 Unicom                         --                               --
 ------
-------------------------------------------------------------------------------------------------

 . Stock options granted        1,848,050                        1,613,787

-------------------------------------------------------------------------------------------------
 . Shares issued on             0                                0
   exercise of options

-------------------------------------------------------------------------------------------------
 . Shares issued for other      451,501                          472,902
   awards

-------------------------------------------------------------------------------------------------
</TABLE>

          Exelon anticipates that it will adopt the PECO Energy Company 1989
Long-Term Incentive Plan for purposes of making awards to employees of Exelon
and its Subsidiaries following the Merger. The provisions of this plan are
described on pages 60 and 61 of the Joint Proxy Statement/Prospectus of Unicom
and PECO dated May 15, 2000 filed as Exhibit C-2 hereto.

     J.   Payment Of Dividends by Non-Utility Subsidiaries Out Of Capital And
          Unearned Surplus.

          Ventures also proposes, on behalf of itself and every direct or
indirect Non-Utility Subsidiary, that such companies be permitted to pay
dividends with respect to the securities of

____________________

/74/ In the case of shares issued pursuant to plans, the number excludes shares
acquired in the open market or treasury shares used to satisfy the award or
option.

                                       52
<PAGE>

such companies, from time to time through the Authorization Period, out of
capital and unearned surplus (including revaluation reserve), to the extent
permitted under applicable corporate law.

     K.   Filing of Certificates of Notification

          It is proposed that, with respect to Exelon, the reporting systems of
the Securities Exchange Act of 1934, as amended (the "1934 Act") and the 1933
Act be integrated with the reporting system under the Act. This would eliminate
duplication of filings with the Commission that cover essentially the same
subject matters, resulting in a reduction of expense for both the Commission and
Exelon. To effect such integration, the portion of the 1933 Act and 1934 Act
reports containing or reflecting disclosures of transactions occurring pursuant
to the authorizations granted in this proceeding would be incorporated by
reference into this proceeding through Rule 24 certificates of notification. The
certificates would also contain all other information required by Rule 24,
including the certification that each transaction being reported on had been
carried out in accordance with the terms and conditions of and for the purposes
represented in this Application/Declaration. Such certificates of notification
would be filed within 60 days after the end of the last calendar quarter, in
which transactions occur.

          A copy of relevant document (e.g., underwriting agreements,
indentures, bank agreements) for the relevant quarter will be filed with, or
incorporated by reference from 1993 Act or 1934 Act filings in such Rule 24
certificates.

          The Rule 24 certificates will contain the following information:

          (a)  If sales of common stock by Exelon are reported, the purchase
price per share and the market price per share at the date of the agreement of
sale;

          (b)  The total number of shares of Exelon common stock issued or
issuable pursuant to options granted during the quarter under employee benefit
plans and dividend reinvestment plans including any employee benefit plans or
dividend reinvestment plans hereafter adopted;

          (c)  If Exelon common stock has been transferred to a seller of
securities of a company being acquired, the number of shares so issued, the
value per share and whether the shares are restricted in the hands of the
acquiror;

          (d)  If a guarantee is issued during the quarter, the name of the
guarantor, the name of the beneficiary of the guarantee and the amount, terms
and purpose of the guarantee;

          (e)  The amount and terms of any short-term debt issued by any Utility
Subsidiary during the quarter;

          (f)  The amount and terms of any financings consummated by any Utility
Subsidiary that are not exempt under Rule 52;

          (g)  A list of U-6B-2 forms filed with the Commission during the
quarter, including the name of the filing entity and the date of filing;

                                       53
<PAGE>

          (h)  Consolidated balance sheets as of the end of the quarter and
separate balance sheets as of the end of the quarter for each company, including
Exelon, that has engaged in jurisdictional financing transactions during the
quarter; and

          (i)  Future registration statements filed under the 1933 Act with
respect to securities that are subject of the Application/Declaration will be
filed or incorporated by reference as exhibits to the next certificate filed
pursuant to Rule 24.

Item 2.             Fees, Commissions and Expenses

Estimated Legal Fees and Expenses/75/        $100,000
Estimated Miscellaneous Expenses               50,000
                                             --------
     Total                                   $150,000
                                             --------

Item 3.             Applicable Statutory Provisions


          Sections 6(a), 7, 9(a), 10, 12 and 13 of the Act and Rules 42, 43, 45,
52, 53 and 54 are considered applicable to the proposed transactions.

          To the extent that the proposed transactions are considered by the
Commission to required authorization, exemption or approval under any section of
the Act or the rules and regulations other than those set forth above, request
for such authorization, exemption or approval is hereby made.

Item 4.             Regulatory Approvals

          The Pennsylvania Commission has jurisdiction over issuances of
securities by PECO, other than securities payable within one year of the date of
issuance or upon demand of the holder. The Illinois Commission has jurisdiction
over issuances of securities by ComEd, other than securities payable within one
year of the date of issuance or the renewal of short-term obligations for a two-
year or shorter period.

          Securities issued by the Utility Subsidiaries which are subject to
approval by the Commission are not subject to approval by the FERC under the
Federal Power Act because of Section 318 of the Federal Power Act.

          Except as stated above, no state or federal regulatory agency other
than the Commission under the Act has jurisdiction over the proposed
transactions.


____________________

/75/ Fees and expenses relating to financing transactions for which approval is
sought herein cannot be estimated at this time. Fees for the placement of
securities will be limited as provided in Item 1.D.

                                       54
<PAGE>

Item 5.             Procedure

          The Applicants hereby request that there be no hearing on this
Application-Declaration and that the Commission issue its order as soon as
practicable after the filing hereof. The Commission is requested to issue and
publish the requisite notice under Rule 23 with respect to this Application-
Declaration by August 18, 2000; such notice specifying September 18, 2000 as the
date by which comments may be entered and the date on which an order of the
Commission granting and permitting the Application/Declaration to become
effective may be entered by the Commission. The Applicants hereby (i) waive a
recommended decision by a hearing officer, (ii) waive a recommended decision by
any other responsible officer or the Commission, (iii) consent that the Division
of Investment Management may assist in the preparation of the Commission's
decision and (iv) waive a 30-day waiting period between the issuance of the
Commission's order and the date on which it is to become effective.

Item 6.             Exhibits and Financial Statements

     A.   Exhibits

<TABLE>
<CAPTION>
     --------------------------------------------------------------------------------------------------------
     Exhibit No.         Description of Document                              Method of Filing
     --------------------------------------------------------------------------------------------------------
<S>                <C>                                                 <C>
     A-1           Restated Articles of Incorporation of               Incorporated by reference to S-4
                   Exelon                                              Registration Statement, Exhibit C-1
     --------------------------------------------------------------------------------------------------------
     A-2           Restated Articles of Incorporation of ComEd         Incorporated by reference; File
                   effective February 20, 1985, including Statements   No. 1-1839, Unicom Form 10-K for
                   of Resolution Establishing Series, relating to      the year ended December 31, 1994,
                   the establishment of three new series of ComEd      Exhibit (3)-2.
                   preference stock known as the "$9.00 Cumulative
                   Preference Stock," the "$6.875 Cumulative
                   Preference Stock" and the "$2.425 Cumulative
                   Preference Stock."
     --------------------------------------------------------------------------------------------------------
     A-3           Restated Articles of Incorporation of PECO          Incorporated by reference; File
                                                                       No. 1-1401, PECO 1993 Form 10-K,
                                                                       Exhibit 3-1
     --------------------------------------------------------------------------------------------------------
     B-1           Amended and Restated Agreement and Plan of          Incorporated by reference; Annex
                   Exchange and Merger (Merger Agreement)              1 to Exhibit C-1
     --------------------------------------------------------------------------------------------------------
     B-2           Reserved                                            NA
     --------------------------------------------------------------------------------------------------------
     C-1           Registration Statement of Exelon on Form S-4        Incorporated by reference;
                                                                       Registration Statement No.
                                                                       333-37082.
     --------------------------------------------------------------------------------------------------------
</TABLE>

                                       55
<PAGE>

<TABLE>
<CAPTION>
     --------------------------------------------------------------------------------------------------------
     Exhibit No.         Description of Document                              Method of Filing
     --------------------------------------------------------------------------------------------------------
<S>                <C>                                                 <C>
     C-2           Joint Proxy Statement and Prospectus of Unicom      Incorporated by reference;
                   and PECO                                            included in Exhibit C-1
     --------------------------------------------------------------------------------------------------------
     D-1.1         Joint Application of ComEd and PECO to FERC re      Incorporated  by  reference  to
                   Merger (excluding exhibits and testimony which      Exhibit D-1.1 to Form U-1 in File
                   Applicant will supply upon request of the           No. 70-9645 ("Merger U-1")
                   Commission)
     --------------------------------------------------------------------------------------------------------
     D-1.2         Direct Testimony of Dr. William H. Heironymous      Incorporated by reference to
                   (Exhibit No. APP-300 to FERC Joint Application).    Exhibit D-1.2 to Merger U-1
     --------------------------------------------------------------------------------------------------------
     D-1.3         Order of FERC approving the Merger                  Incorporated by reference to
                                                                       Exhibit D-1.3 to Merger U-1
     --------------------------------------------------------------------------------------------------------
     D-1.4         Application of ComEd to FERC for Authority to       Incorporated by reference to
                   Transfer Jurisdictional Assets ("Restructurings     Exhibit D-1.4 to Merger U-1
                   Filing") (excluding exhibits and testimony which
                   Applicant will supply upon request of the
                   Commission)
     --------------------------------------------------------------------------------------------------------
     D-1.5         Application of PECO to FERC for Authority to        Incorporated by reference to
                   Transfer Jurisdictional Assets ("Restructurings     Exhibit D-1.5 to Merger U-1
                   Filing") (excluding exhibits and testimony which
                   Applicant will supply upon request of the
                   Commission)
     --------------------------------------------------------------------------------------------------------
     D-2.1         Application of PECO before the Pennsylvania         Incorporated by reference to
                   Commission regarding the Merger (excluding          Exhibit D-2.1 to Merger U-1
                   exhibits and testimony which Applicant will
                   supply upon request of the Commission)
     --------------------------------------------------------------------------------------------------------
     D-2.2         Order of the Pennsylvania Commission approving      Incorporated by reference to
                   the Merger                                          Exhibit D-2.2 to Merger U-1
     --------------------------------------------------------------------------------------------------------
     D-2.3         Application of PECO before Pennsylvania to          Incorporated by reference
                   Commission regarding Restructurings (excluding      Exhibit D-2.3 to Merger U-1
                   exhibits and testimony which Applicant will
                   supply upon request of the Commission)
     --------------------------------------------------------------------------------------------------------
     D-3.1         Notice of ComEd to the Illinois Commission          Incorporated  by reference to
                   regarding the Merger (excluding exhibits and        Exhibit D-3.1 to Merger U-1
                   attachments which Applicant will supply upon
                   request of the Commission)
     --------------------------------------------------------------------------------------------------------
</TABLE>

                                       56
<PAGE>

<TABLE>
<CAPTION>
     ----------------------------------------------------------------------------------------------------
     Exhibit No.         Description of Document                              Method of Filing
     ----------------------------------------------------------------------------------------------------
<S>                 <C>                                                 <C>
     D-3.2          Application of ComEd to the Illinois                Incorporated by reference to
                    Commission regarding Restructurings                 Exhibit D-3.2 to Merger U-1
                    (excluding exhibits and testimony which
                    Applicant will supply upon request of the
                    Commission)
     ----------------------------------------------------------------------------------------------------
     D-4.1          Applications of PECO, ComEd and AmerGen to the      Incorporated by reference to
                    NRC regarding transfer of nuclear generating        Exhibit D-4.1 to Merger U-1
                    operating licenses
     ----------------------------------------------------------------------------------------------------
     D-4.2          Orders of the NRC finding that the transfer         Incorporated  by  reference
                    of to certain operating licenses in                 Exhibit D-4.2 to Merger U-1
                    connection with the Merger is in compliance
                    with The Atomic Energy Act and consenting to
                    such transfers
     ----------------------------------------------------------------------------------------------------
     E-1            Maps of service area and transmission system of     Filed in paper under Form
                    ComEd                                               SE with Merger U-1
     ----------------------------------------------------------------------------------------------------
     E-2            Maps electric and gas service areas and             Filed in paper under Form
                    transmission system of PECO                         SE with Merger U-1
     ----------------------------------------------------------------------------------------------------
     E-3            Unicom corporate chart                              Filed in paper under Form
                                                                        SE with Merger U-1
     ----------------------------------------------------------------------------------------------------
     E-4            PECO corporate chart                                Filed in paper under Form
                                                                        SE with Merger U-1
     ----------------------------------------------------------------------------------------------------
     E-5            Exelon Company corporate chart                      Filed in paper under Form
                                                                        SE with Merger U-1
     ----------------------------------------------------------------------------------------------------
     F-1            Preliminary opinion of counsel to Exelon            Filed by amendment
     ----------------------------------------------------------------------------------------------------
     F-2            Past-tense opinion of counsel to Exelon             Filed by amendment
     ----------------------------------------------------------------------------------------------------
     G              Intentionally left available                        NA
     ----------------------------------------------------------------------------------------------------
     H-1            Annual Report of Unicom on Form 10-K for the year   Incorporated by reference,
                    ended December 31, 1999                             File No. 1-11375
     ----------------------------------------------------------------------------------------------------
     H-2            Annual Report of PECO on Form 10-K for the          Incorporated by reference,
                    year ended December 31, 1999                        File No. 1-1401
     ----------------------------------------------------------------------------------------------------
     H-3            Quarterly Reports of Unicom on Form 10-Q for        Incorporated  by reference,
                    the quarters ended March 31, 2000 and June          File No. 1-11375
                    30, 2000
     ----------------------------------------------------------------------------------------------------
     H-4            Quarterly Reports of PECO on Form 10-Q for          Incorporated  by  reference,
                    the quarter ended March 31, 2000 and June 30,       File No. 1-1401
                    2000
     ----------------------------------------------------------------------------------------------------
     I-1            List and Description of Subsidiaries and            Incorporated by reference to
                    Investments Of Unicom Corporation (Other            Exhibit I-1 to Merger U-1
                    than "Public-Utility" Companies)
     ----------------------------------------------------------------------------------------------------
</TABLE>

                                       57
<PAGE>

<TABLE>
<CAPTION>
     ----------------------------------------------------------------------------------------------------
     Exhibit No.         Description of Document                              Method of Filing
     ----------------------------------------------------------------------------------------------------
<S>                 <C>                                                 <C>
     I-2            List and Description of Subsidiaries and            Incorporated by reference to
                    Investments Of PECO Energy (Other than              Exhibit I-2 to Merger U-1
                    "Public-Utility" Companies)
     ----------------------------------------------------------------------------------------------------
     J-l            Form of Utility Money Pool Agreement                Filed June 12, 2000
     ----------------------------------------------------------------------------------------------------
     J-2            Form of Non-Utility Money Pool Agreement            Filed June 12, 2000
     ----------------------------------------------------------------------------------------------------
     K-1            Financial Information (filed                        Filed by amendment
                    confidentially under Rule 104)
     ----------------------------------------------------------------------------------------------------
     L-1            Form of Notice of filing                            Filed by amendment
     ----------------------------------------------------------------------------------------------------
     M-1            Description of Existing Financing                   Filed June 12, 2000
                    Arrangements of Unicom
     ----------------------------------------------------------------------------------------------------
     M-2            Description of Existing Financing                   Filed herewith
                    Arrangements of PECO (amended)
     ----------------------------------------------------------------------------------------------------
</TABLE>

     B.        Financial Statements

<TABLE>
<CAPTION>
     ----------------------------------------------------------------------------------------------------
        Statement               Description                                Method of Filing
           No.
     ----------------------------------------------------------------------------------------------------
<S>                 <C>                                                 <C>
     FS-1           Historical consolidated financial                   Incorporated by reference to
                    statements of Unicom                                Unicom Annual Reports on Form
                                                                        10-K for the years ended 1999,
                                                                        1998 and 1997 and Quarterly
                                                                        Reports on Form 10-Q for the
                                                                        quarters ended March 31, 2000
                                                                        and June 30, 2000
     ----------------------------------------------------------------------------------------------------
     FS-2           Historical consolidated financial                   Incorporated by reference to
                    statements of PECO                                  Annual Reports on Form 10-K for
                                                                        the years ended 1999,1998 and
                                                                        1997 and Quarterly Reports on
                                                                        Form 10-Q for the quarters ended
                                                                        March 31, 2000 and June 30, 2000
     ----------------------------------------------------------------------------------------------------
     FS-3           Unaudited Pro Forma Financial Statements            Incorporated by reference; S-4
                    of Exelon, giving effect to the Merger              Registration Statement, Exhibit
                                                                        C-1
     ----------------------------------------------------------------------------------------------------
</TABLE>

                                       58
<PAGE>

Item 7.                  Information as to Environmental Effects

          The proposed transaction involves neither a "major federal action" nor
"significantly affects the quality of the human environment" as those terms are
used in Section 102(2)(C) of the National Environmental Policy Act, 42 U.S.C.
Sec. 4321 et seq. No federal agency is preparing an environmental impact
statement with respect to this matter.

                                       59
<PAGE>

                                   SIGNATURE

          Pursuant to the requirements of the Public Utility Holding Company Act
of 1935, the Applicants have duly caused this amendment to
Application/Declaration to be signed on their behalf by the undersigned
thereunto duly authorized.

Date: September 20, 2000

Exelon Corporation                             Exelon Business Services Company
                                               Exelon Ventures Company
By /s/ Corbin A. McNeill, Jr.                  Exelon Enterprises Company, LLC
   --------------------------
                                               Exelon Generation Company, LLC
       Chairman, Chief Executive Officer       Exelon Energy Delivery Company
       and President

                                               By Exelon Corporation

                                               By /s/ Corbin A. McNeill, Jr.
                                                  --------------------------

                                                      Chairman, Chief Executive
                                                      Officer and President

Commonwealth Edison Company                    PECO Energy Company

By /s/ Rebecca J. Lauer                        By /s/ Corbin A. McNeill, Jr.
   --------------------                           --------------------------

       Vice President and General Counsel             Chairman, Chief Executive
                                                      Officer and President

                                       60


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