COMMONWEALTH EDISON CO
8-K/A, 1994-03-18
ELECTRIC SERVICES
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<PAGE>


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
        
                                    
                                 Form 8-K/A-1    

                                 CURRENT REPORT

                       Pursuant to Section l3 or l5(d) of
                      the Securities Exchange Act of l934


Date of Report (Date of
earliest event reported):   January 28, 1994



                          Commonwealth Edison Company
             (Exact name of registrant as specified in its charter)



    Illinois                        1-1839                    36-0938600   
(State or other                  (Commission                 (IRS Employer      
 jurisdiction of                 File Number)              Identification No.) 
 incorporation)
 

37th Floor, One First National Plaza,
Post Office Box 767, Chicago, Illinois                         60690-0767
(Address of principal executive offices)                       (Zip Code)



Registrant's telephone number,
including area code:                                          (312) 394-4321
<PAGE>
        
   
     The purpose of this Amendment No. 1 is to amend the exhibits to the 
Registrant's (Commonwealth Edison Company) Current Report on Form 8-K dated 
January 28, 1994, by refiling those exhibits in their entirety.    


Item 7.  Financial Statements, Pro Forma Financial
- -------  Information and Exhibits
         -----------------------------------------

         (c)  Exhibits
              --------

  (23)  Consent of Independent Public Accountants

  (99)  Commonwealth Edison Company and Subsidiary Companies -    
        Certain Financial Information as of and for the Year     
        Ended December 31, 1993:

        --Management's Discussion and Analysis of Financial       
            Condition and Results of Operations
        --Statements of Consolidated Income
        --Consolidated Balance Sheets
        --Statements of Consolidated Capitalization
        --Statements of Consolidated Cash Flows
        --Statements of Consolidated Retained Earnings
        --Statements of Consolidated Premium on Common Stock       
            and Other Paid-in Capital
        --Notes to Financial Statements
        --Report of Independent Public Accountants


                                      -2-

<PAGE>


                                   SIGNATURE



  Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.


                                               COMMONWEALTH EDISON COMPANY
                                                       (Registrant)


                                               By: /s/ John C. Bukovski
                                                   --------------------------
                                                    John C. Bukovski
                                                    Vice President

    
Date:  March 18, 1994     

                                      -3-

<PAGE>
 

                                 EXHIBIT INDEX


EXHIBIT
NUMBER                      DESCRIPTION OF EXHIBIT
- ------                      ----------------------



 23                Consent of Independent Public Accountants

 99                Commonwealth Edison Company and Subsidiary       
                   Companies - Certain Financial Information as of       
                   and for the Year Ended December 31, 1993:

                   --Management's Discussion and Analysis of           
                       Financial Condition and Results of Operations
                   --Statements of Consolidated Income
                   --Consolidated Balance Sheets
                   --Statements of Consolidated Capitalization
                   --Statements of Consolidated Cash Flows
                   --Statements of Consolidated Retained Earnings
                   --Statements of Consolidated Premium on Common          
                       Stock and Other Paid-in Capital
                   --Notes to Financial Statements
                   --Report of Independent Public Accountants

<PAGE>


                                                     
                                                  Exhibit (23)
                                                  Commonwealth Edison Company
                                                  Form 8-K/A-1  File No. 1-1839
                                                      


                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
                   -----------------------------------------

   
  As independent public accountants, we hereby consent to the incorporation by
reference of our report dated March 18, 1994, on Commonwealth Edison Company and
subsidiary companies' consolidated financial statements as of and for the year
ended December 31, 1993, included as an Exhibit to this Form 8-K/A-1 Current
Report of Commonwealth Edison Company dated January 28, 1994, into Commonwealth
Edison Company's previously filed prospectuses as follows: (1) prospectus dated
June 1, 1988, constituting part of Form S-8 Registration Statement File No. 2-
76921 (relating to the Company's Employe Stock Purchase Plan); (2) prospectus
dated August 1, 1992, constituting part of Form S-8 Registration Statement File
Nos. 2-81592 and 33-5061, as amended (relating to the Company's Employe Savings
and Investment Plan); (3) prospectus dated August 21, 1986, constituting part of
Form S-3 Registration Statement File No. 33-6879, as amended (relating to the
Company's Debt Securities and Common Stock); (4) prospectus dated February 14,
1991, constituting part of Form S-3 Registration Statement File No. 33-38233
(relating to the Company's Debt Securities and Cumulative Preference Stock); (5)
prospectus dated January 7, 1994, constituting part of Form S-3 Registration
Statement File No. 33-51379 (relating to the Company's Debt Securities and
Cumulative Preference Stock); and (6) prospectus constituting part of Form S-4
Registration Statement File No. 33-52109, as amended (relating to Common Stock
of CECo Holding Company). We also consent to the application of our report to
the ratios of earnings to fixed charges and the ratios of earnings to fixed
charges and preferred and preference stock dividend requirements for each of the
years ended December 31, 1993, 1992 and 1991 appearing on page 22 of Exhibit 99
of this Form 8-K/A-1.    



                                                     ARTHUR ANDERSEN & CO.


Chicago, Illinois
   
March 18, 1994    


  


<PAGE>
      
                                                     Exhibit (99)
                                                     Commonwealth Edison Company
                                                     Form 8-K  File No. 1-1839
 
Management's Discussion and Analysis of Financial Condition and Results of
Operations
- ---------------------
 Liquidity and Capital Resources
 
      Capital Budgets. Commonwealth Edison Company (Company) and its
      electric utility subsidiary, Commonwealth Edison Company of Indiana,
      Inc. (collectively, companies), have a construction program for the
      three-year period 1994-96 which consists principally of improvements
      to the companies' existing nuclear and other electric production,
      transmission and distribution facilities. It does not include funds
      (other than for planning) to add new generating capacity to the
      Company's system. The program, as approved by the Company in January
      1994, calls for electric plant and equipment expenditures of
      approximately $2,450 million (excluding nuclear fuel expenditures of
      approximately $780 million). This amount reflects a decrease of
      approximately $200 million compared with the common years (1994-95) of
      the previously approved construction program. In part, the decrease
      reflects a reduction in capital spending announced by the Company in
      July 1992 due to adverse financial circumstances. For additional
      information concerning the cost reduction plan, see "Rates and
      Financial Condition" below. It is estimated that such construction
      expenditures, with cost escalation computed at 4% annually, will be as
      follows:
 
<TABLE>
<CAPTION>
                                                     Three-Year
       (millions of dollars)          1994 1995 1996      Total
       -----------------------------  ---- ---- ---- ----------
       <S>                            <C>  <C>  <C>  <C>
       Production                     $295 $310 $250     $  855
       Transmission and Distribution   340  445  505      1,290
       General                         115   95   95        305
      ---------------------------------------------------------
         Total                        $750 $850 $850     $2,450
      ---------------------------------------------------------
</TABLE>
 
        The Company's forecasts of peak load indicate a need for additional
      resources to meet demand, either through generating capacity or
      through equivalent purchased power or demand-side management
      resources, in 1997 and each year thereafter through the year 2000. The
      projected resource needs reflect the current planning reserve margin
      recommendations of the Mid-America Interconnected Network (MAIN), the
      reliability council of which the Company is a member. The Company's
      forecasts indicate that the additional resource need during this
      period would exist only during the summer months. The Company does not
      expect to make expenditures for additional capacity to the extent the
      need for capacity can be met through cost-effective demand-side
      management resources, non-utility generation or other power purchases.
      To assess the market potential to provide such cost-effective
      resources, the Company solicited proposals to supply it with cost-
      effective demand-side management resources, non-utility generation
      resources and other-utility power purchases sufficient to meet
      forecasted requirements through the year 2000. The responses to the
      solicitation suggest that adequate resources to meet the Company's
      needs could be obtained from those sources but the Company has not yet
      determined whether those sources represent the most economical
      alternative. If the Company were to build additional capacity to meet
      its needs, it would need to make additional expenditures during the
      1994-96 period.
        The Company has not budgeted for a number of projects, particularly
      at generating stations, which could be required, but which the Company
      does not expect to be required during the budget period. In
      particular, the Company has not budgeted for the construction of
      scrubbers at its Kincaid generating station, for the replacement of
      major amounts of piping at its boiling water reactor nuclear stations
      or for the replacement of steam generators at its pressurized water
      reactor nuclear stations.
 
10
<PAGE>
              
- ------------------------------
 
        Purchase commitments, principally related to construction and
      nuclear fuel, approximated $1,187 million at December 31, 1993. In
      addition, the Company has substantial commitments for the purchase of
      coal under long-term contracts as indicated in the following table.
 
<TABLE>
<CAPTION>
       Contract                                         Period   Commitment (1)
       ----------------------------------------------- --------- --------------
       <S>                                             <C>       <C>
       Black Butte Coal Co.                            1994-2007         $1,212
       Decker Coal Co.                                 1994-2015         $  862
       Peabody Coal Co.                                1994              $   34
       Big Horn Coal Co.                               1998              $   21
      -------------------------------------------------------------------------
</TABLE>
      (1) Estimated costs in millions of dollars FOB mine. No estimate of
          future cost escalation has been made.
 
      For additional information concerning these coal contracts and the
      Company's fuel supply, see "Results of Operations" below and Notes 3,
      17 and 19 of Notes to Financial Statements.
        The construction program will be reviewed and modified as necessary
      to adapt to changing economic conditions, rate levels and other
      relevant factors including changing business and legal needs and
      requirements. The Company cannot anticipate all such possible needs
      and requirements. While regulatory needs in particular are more
      likely, on balance, to require increases in construction expenditures
      than decreases, the Company's financial condition may require
      compensating or greater reductions in other construction expenditures.
      See "Rates and Financial Condition" below for additional information
      concerning the construction program.
 
      Capital Resources. The Company has forecast that internal sources will
      provide approximately one-half of the funds required for its
      construction program and other capital requirements, including nuclear
      fuel expenditures, contributions to nuclear decommissioning trusts,
      sinking fund obligations and refinancing of scheduled debt maturities
      (the annual sinking fund requirements for preference stock and
                                long-term debt are summarized in Notes 7 and 8
                                of Notes to Financial Statements). The
                                forecast takes into account the rate reduction
  The construction program      reflected in the Rate Matters Settlement
  budget for 1994-96            (described below), and reflects the payments
  reflects a decrease of        required to be made to customers under the
  approximately $200            Rate Matters Settlement and the Fuel Matters
  million compared with the     Settlement (described below).
  common years 1994-95 of         The type and amount of external financing
  the previous construction     will depend on financial market conditions and
  budget.                       the needs and capital structure of the Company
                                at the time of such financing. Although the
                                Company's new money financing requirements
                                decreased significantly with the completion of
                                its nuclear generating capacity construction
      program, they have subsequently increased due to higher expenditures and
      lower operating cash flows resulting from reduced revenues due to customer
      refunds and rate level adjustments ordered in various proceedings related
      to the level of the Company's rates and the effect of the Rate Matters
      Settlement and the Fuel Matters Settlement. See "Rates and Financial
      Condition" below for information related to the Company's reductions to
      operation and maintenance expenses and its construction program in
      response to adverse regulatory and judicial decisions. A portion of the
      Company's financing is expected to be provided through the continued sale
      and leaseback of nuclear fuel. The Company has unused bank lines of credit
      which may be borrowed at various interest rates and which may be secured
      or unsecured. The interest rate is set at the time of a borrowing and is
      based on several floating rate bank indices plus a spread which is
      dependent upon the Company's credit ratings, or on a prime interest rate.
      Collateral, if required for the borrowings, would consist of first
                                
                                                                              11
<PAGE>
        
- ------------------------------
                            
      mortgage bonds issued under and in accordance with the provisions of
      the Company's mortgage. See Note 9 of Notes to Financial Statements
      for information concerning lines of credit. See the Statements of
      Consolidated Cash Flows for the construction expenditures and cash
      flow from operating activities for the years 1993, 1992 and 1991.
        During 1993, the Company issued an aggregate of 421,994 shares of
      common stock for approximately $11,462,000 under its employe stock
      plans; issued and sold 700,000 shares of $6.875 Cumulative Preference
      Stock for approximately $69 million; sold and leased back an aggregate
      of approximately $204,254,000 of nuclear fuel; issued $1,715 million
      aggregate principal amount of first mortgage bonds; and issued $235
      million of other long-term debt. On January 25, 1994, the Company
      announced the closing of the sale of $66 million of Pollution Control
      Revenue Refunding Bonds issued through the Illinois Development
      Finance Authority. The proceeds of the first mortgage bonds issued
      during 1993 were or will be used primarily to discharge or refund
      outstanding debt securities.
        The Company has an effective "shelf" registration statement with
      the Securities and Exchange Commission for the future sale of up to an
      additional $1,030 million of debt securities and cumulative preference
      stock for general corporate purposes of the Company, including the
      discharge or refund of other outstanding securities.
 
      Rates and Financial Condition. The Company's financial condition is
      dependent upon its ability to generate revenues to cover its costs. To
      maintain a satisfactory financial condition, the Company must recover
      the costs of and a return on completed construction projects,
      including its three most recently completed generating units, and
      maintain adequate debt and preferred and preference stock coverages
      and common stock equity earnings. The Company has no significant
      revenues other than from the sale of electricity. Under the economic
      and political conditions prevailing in Illinois, the Company's
                                management recognizes that competitive and
                                regulatory circumstances may limit the
 Workforce reductions           Company's ability to raise its prices.
 already implemented,           Therefore, the Company's financial condition
 combined with other            will depend in large measure on the Company's
 actions, are estimated to      levels of sales, expenses and capital
 have saved approximately       expenditures. See "Business and Competition"
 $130 million in operation      below.
 and maintenance expenses         In response to the adverse regulatory and
 during 1993.                   judicial decisions in the proceedings relating
                                to the level of the Company's rates, the
                                Company implemented a cost reduction plan in
                                1992 involving various management workforce
                                reductions through early retirement and
                                voluntary and involuntary separations. Such
      reductions, when combined with other actions, are estimated by the Company
      to have saved approximately $130 million in operation and maintenance
      expenses during 1993. The management workforce reduction resulted in a
      charge to income of approximately $23 million (net of income tax effects)
      in 1992. In addition, the Company reached agreement in August 1993 with
      its unions regarding certain cost reduction actions. The agreement
      provides for a wage freeze until April 1, 1994, changes to reduce health
      care plan cost, increased use of part-time employment and changes in
      holiday provisions. The agreement also includes a continuation of
      negotiations relative to other issues. Further, the Company has reduced
      planned construction program expenditures by approximately $200 million
      compared with the common years (1994-95) of the previously approved
      construction program. See "Rate Proceedings" below and Note 12 of Notes to
      Financial Statements.
        In addition, the quarterly common stock dividends, payable on and
      since November 1, 1992, were reduced by 47% from the seventy-five
      cents per share amount paid quarterly since 1982 to forty cents
 
12
<PAGE>
 
      per share. Dividends have been declared on the outstanding shares of
      the Company's preferred and preference stocks at their regular
      quarterly rates. The Company's Board of Directors will continue to
      review quarterly the payment of dividends.
        The current ratings of the Company's securities by three principal
      securities rating agencies are as follows:
 
<TABLE>
      ----------------------------------------------------------------------
<CAPTION>
                                                             Standard Duff &
                                                     Moody's & Poor's Phelps
                                                     ------- -------- ------
       <S>                                           <C>     <C>      <C>
       First mortgage and secured pollution control
        bonds                                           Baa2     BBB  BBB
       Publicly-held debentures and unsecured
        pollution control obligations                   Baa3     BBB- BBB-
       Convertible preferred stock                      baa3     BBB- BB+
       Preference stock                                 baa3     BBB- BB+
       Commercial paper                                 P2       A-2  Duff 2
      ----------------------------------------------------------------------
</TABLE>
 
        The foregoing ratings reflect downgradings during 1992 and in
      January 1993 as a result of developments in the proceedings leading
      to, and the issuance of, the Illinois Commerce Commission (ICC) rate
      order issued on January 6, 1993 (as subsequently modified, the Remand
      Order). In December 1993, Standard & Poor's affirmed its ratings of
      the Company's debt, although on October 27, 1993, it changed its
      "outlook" on the Company's ratings from stable to negative as part of
      its larger assessment of the electric utility industry. In September
      1993, Moody's and Duff & Phelps affirmed their ratings of the
      Company's securities, and in October 1993, Moody's rating outlook on
      the Company remained stable.
 
      Business and Competition. The electric utility business has
      historically been characterized by retail service monopolies in state
      or locally franchised service territories. Investor-owned electric
      utilities have tended to be vertically integrated with all aspects of
      their business subject to pervasive regulation. Although customers
      have normally been free to supply their electric power needs through
      self-generation, they have not had a choice of electric suppliers and
      self-generation has not generally been economical.
        The market in which electric utilities like the Company operate has
      become more competitive and many observers believe competition will
      intensify. Self-generation can be economical for certain customers,
      depending on how and when they use electricity and other customer-
      specific considerations. A number of competitors are currently seeking
      to identify and do business with those customers. In addition,
      suppliers of other forms of energy are increasingly competing to
      supply energy needs which historically were supplied primarily or
      exclusively by electricity.
        The Energy Policy Act of 1992 will likely have a significant effect
      on companies engaged in the generation, transmission, distribution,
      purchase and sale of electricity. This Act, among other things,
      expands the authority of the Federal Energy Regulatory Commission to
      order electric utilities to transmit or "wheel" wholesale power for
      others, and facilitates the creation of non-utility electric
      generating companies. Although the Company cannot now predict the full
      impact of this Act, it will likely create and increase competition
      affecting the Company.
        The Company is facing increased competition from several non-utility
      businesses which seek to provide energy services to users of
      electricity, especially larger customers such as industrial,
      commercial and wholesale customers. Such suppliers include independent
      power producers and unregulated energy services companies. In this
      regard, natural gas utilities operating in the Company's service area
      have established subsidiary ventures to provide heating, ventilating
      and air conditioning services, attempting to attract the Company's
      customers. Also, several utilities in the United States have
      established unregulated energy services subsidiaries which pursue
      business opportunities wherever they exist. In
 
                                                                              13
<PAGE>
 
      addition, cogeneration and energy services companies have begun
      soliciting the Company's customers to provide alternatives to using
      the Company's electricity.
        On July 13, 1993, legislation became effective in Illinois which
      permits the Company to create certain unregulated subsidiaries, and to
      form a holding company, without being required to obtain the approval
      of the ICC. The legislation gives the Company and its affiliates
      flexibility to compete with unregulated competitors to provide energy
      services. The Company has created an unregulated subsidiary to engage
      in energy service activities and is preparing to obtain necessary
      shareholder and Federal regulatory approvals to form a holding
      company.
 
      Regulation. The companies are subject to state and federal regulation
      in the conduct of their operations. Such regulation includes rates,
      securities issuance, nuclear operations, environmental and other
      matters. Particularly in the cases of nuclear operations and
      environmental matters, such regulation can and does affect the
      companies' operational and capital expenditures.
        During the past several years, the Nuclear Regulatory Commission
      (NRC) has placed two of the Company's nuclear generating stations,
      Zion station and Dresden station, on its list of plants to be
      monitored closely. Generally, such status can be expected to result,
      and has resulted, in increased expenditures to address deficiencies in
      station management and/or operations. The Company has restructured its
      management of its nuclear stations and committed additional resources
      to their operations. The Zion station was removed from the list of
      plants to be monitored closely in February 1993; however, the Dresden
      station remains on that list. On January 27, 1994, the NRC noted
      adverse performance trends at Quad-Cities station as well as at
      LaSalle County station. The Company had already identified and was
      working to correct most of the problems cited. In addition, the
      Company anticipates that it will need to make significant capital
      expenditures in future years in connection with certain of its nuclear
      generating units.
    
        The Company estimates that it will expend approximately $15 billion for 
      decommissioning costs primarily during the period from 2007 through 2032.
      Such costs, which are estimated to aggregate approximately $4.06 billion,
      in current-year (1993) dollars, are expected to be funded by the external
      decommissioning trust funds which the Company established in compliance
      with Illinois law and into which the Company has been making annual
      contributions. See Note 1 of Notes to Financial Statements under
      "Depreciation" for additional information regarding decommissioning 
      costs.     
        The Clean Air Act Amendments of 1990 (Amendments) will require
      reductions in sulfur dioxide emissions from the Company's Kincaid
      station. The Amendments also bar future utility sulfur dioxide
      emissions except to the extent utilities hold allowances for their
      emissions. Allowances which authorize their holder to emit sulfur
      dioxide will be issued by the United States Environmental Protection
      Agency based largely on historical levels of sulfur dioxide emissions.
      These allowances will be transferable and marketable. The Company's
      ability to increase generation in the future to meet expected
      increased demand for electricity will depend in part on the Company's
      ability to acquire additional allowances or to reduce emissions below
      otherwise allowable levels from its existing generating plants. In
      addition, the Amendments require studies to determine what controls,
      if any, should be imposed on utilities to control air toxic emissions,
      including mercury. The Company's Clean Air Compliance Plan for Kincaid
      station was approved by the ICC on July 8, 1993. In late 1993,
      however, a federal court declared the Illinois law under which the
      approval was received to be unconstitutional and compliance plans
      prepared and approved in reliance on the law to be void. Under the
      Plan approved by the ICC, the Company would have been allowed to burn
      low sulfur Illinois coal at Kincaid station without the installation
      of pollution control equipment for the years 1995 through 1999, and to
      purchase any necessary emission allowances that are expected to be
      available under the Amendments during this period. Also, under the
      Plan, the Company expected to install pollution control equipment for
      Kincaid station by the year 2000. When the final outcome of the
      federal litigation is known, the Company will determine whether any
      changes are required.
        The Amendments also will require reductions in nitrogen oxide
      emissions from the Company's fossil fuel generating units. The
      Illinois Environmental Protection Agency has proposed rules with
      respect to such emissions which would require modifications to certain
      of the Company's boilers. The Company's construction program for the
      three-year period 1994-96 includes $25 million for such modifications.
 
14
<PAGE>
 
- ------------------------------
 
      Capital Structure. The Company's ratio of long-term debt to total
      capitalization has increased to 55.0% at December 31, 1993 from 54.0%
      at December 31, 1992. This increase is related primarily to the
      decrease in retained earnings resulting principally from the recording
      in 1993 of the settlements discussed in "Rate Proceedings" below.
 
- ------------
 Rate Proceedings
 
      The Company's revenues, net income, cash flows and plant carrying
      costs have been affected directly by various rate-related proceedings.
      During the periods presented in the financial statements, the Company
      was involved in proceedings concerning its October 1985 ICC rate order
      (which related principally to the recovery of costs associated with
      its Byron Unit 1 nuclear generating unit), proceedings concerning its
      March 1991 ICC rate order (which related principally to the recovery
      of costs associated with its Byron Unit 2 and Braidwood Units 1 and 2
      nuclear generating units (Units)), proceedings concerning the
      reduction in the difference between the Company's summer and non-
      summer residential rates that was effected in the summer of 1988, and
      ICC fuel reconciliation proceedings principally concerning the
      recoverability of the costs of the Company's western coal. In
      addition, there were outstanding issues related to the appropriate
      interest rate and rate design to be applied to a refund that was made
      in 1990 following the reversal of a December 1988 ICC rate order and a
      rider to the Company's rates that the Company was required to file as
      a result of the change in the federal corporate income tax rate made
      by the Tax Reform Act of 1986. The uncertainties associated
      with such proceedings and issues, among other things, led to the Rate
      Matters Settlement and the Fuel Matters Settlement (which are
      discussed below).
        The effects of the aforementioned rate proceedings during the
      periods presented are discussed below under "Results of Operations."
      For additional information regarding such proceedings, see Notes
                                2 and 3 of Notes to Financial Statements in
                                the Company's Quarterly Report on Form 10-Q
 The Company has                for the quarterly period ended June 30, 1993.
 restructured its          
 management of its nuclear      Settlements Relating to Certain Rate Matters.
 stations and committed         On September 24, 1993, the Company's Board of
 additional resources to        Directors approved two proposed settlements
 their operations.              which the Company's management had reached
                                with parties involved in several of the
                                proceedings and matters relating to the level
                                of the Company's rates for electric service.
                                One of the proposed settlements (Rate Matters
                                Settlement) concerns the proceedings relating 
                                to the Company's 1985 and 1991 ICC rate orders,
      the proceedings relating to the reduction in the difference between the
      Company's summer and non- summer residential rates, the outstanding
      interest rate and rate design issues, and a rider related to the change in
      the federal corporate income tax rate made by the Tax Reform Act of 1986.
      The other proposed settlement (Fuel Matters Settlement) relates to the ICC
      fuel reconciliation proceedings involving the Company for the period from
      1985 through 1988 and to future challenges by the settling parties to the
      prudency of the Company's western coal costs for the period from 1989
      through 1992. Each of these settlements was subject to appropriate action
      by the ICC or the courts having jurisdiction over the proceedings.
        As a result of subsequent ICC and judicial actions, the Rate Matters
      Settlement became final on November 4, 1993. Under the Rate Matters
      Settlement, effective as of November 4, 1993, the Company reduced its
      rates by approximately $339 million annually and commenced refunding
      approximately $1.26 billion (including revenue taxes), plus interest
      at five percent on the unpaid
 
                                                                              15
<PAGE>
 
- -----------------------------
 
      balance, through temporarily reduced rates over an initial refund
      period scheduled to be twelve months (to be followed by a
      reconciliation period of no more than five months). The Company had
      previously deferred the recognition of revenues during 1993 as a
      result of developments in the proceedings related to the March 1991
      ICC rate order, which resulted in a reduction to 1993 net income of
      approximately $160 million. The recording of the effects of the Rate
      Matters Settlement in October 1993 reduced the Company's 1993 net
      income and retained earnings by approximately $292 million or $1.37
      per common share, in addition to the effect of the deferred
      recognition of revenues and after the partially offsetting effect of
      recording approximately $269 million (or $1.26 per common share) in
      deferred carrying charges, net of income taxes, authorized in the
      Remand Order. In January 1994, a purported class action was filed in
      the Circuit Court of Cook County, Illinois challenging the method in
      which the refunds are being made to residential customers in the Rate
      Matters Settlement. The Company does not believe that the complaint
      has any merit.
        In the Remand Order, the rate determination was based upon, among
      other things, findings by the ICC with respect to the extent to which
      the Units were "used and useful" during the 1991 test year period of
      the rate order. With respect to the "used and useful" issue, the ICC
      applied a needs and economic benefits methodology, using a twenty
      percent reserve margin and forecasted peak demand, and found Byron
      Unit 2 and Braidwood Units 1 and 2 to be 93%, 21% and 0%,
      respectively, "used and useful." The Company has not recorded any
      disallowances related to the "used and useful" issue.
                                The Company considers the "used and useful"
                                disallowance in the Remand Order to be
                                temporary. The ICC concluded in the Remand
                                Order that the forecasts in the record in that
 Kilowatthour sales to          proceeding indicate that Braidwood Units 1 and
 ultimate consumers             2 will be fully "used and useful" within the
 increased 4.6% in 1993,        reasonably foreseeable future.
 the result of increased          As a result of subsequent ICC actions, the
 sales to all major             Fuel Matters Settlement became final on
 classes of customers.          November 15, 1993. Under the Fuel Matters
                                Settlement, effective as of December 2, 1993,
                                the Company commenced paying approximately
                                $108 million (including revenue taxes) to its
                                customers through
      temporarily reduced collections under its fuel adjustment clause over
      a twelve-month period. The Company recorded the effects of the Fuel
      Matters Settlement in October 1993, which effects reduced the
      Company's net income and retained earnings by approximately $62
      million or $0.29 per common share.
 
- ---------------
 Results of Operations
 
      Earnings Per Common Share. The Company's earnings per common share
      were $0.22 in 1993, $2.08 in 1992 and $0.08 in 1991. The 1993 results
      were significantly affected by the recording of the effects of the
      Rate Matters Settlement and the Fuel Matters Settlement, which reduced
      net income by approximately $354 million or $1.66 per common share, in
      addition to the effect of the deferred recognition of revenues which
      the Company had recorded during 1993, and after the partially
      offsetting effect of recording approximately $269 million or $1.26 per
      common share in deferred carrying charges, net of income taxes, as
      authorized in the Remand Order. The 1993 earnings also reflect the
      favorable cumulative effect ($9.7 million or $0.05 per common share)
      of the Company's adoption of Statement of Financial Accounting
      Standards (SFAS) No. 109, Accounting for Income Taxes, in January
      1993. The effect of the non-recurring items was partially offset by a
      higher level of kilowatthour sales and
 
16
<PAGE>
 
      lower operation and maintenance expenses. Excluding non-recurring
      items, earnings in 1993 would have been $1.83 per common share.
        The 1992 results were significantly affected by the decreased level
      of kilowatthour sales due to a cooler than normal summer, higher
      operation and maintenance expenses, higher revenues resulting from the
      full effect of the rate increase which became effective on March 20,
      1991, lower fuel and purchased power costs and the 1992 reduction to
      net income of $50 million or $0.24 per common share to reflect a
      provision for additional refunds and interest related to the 1985 ICC
      rate order. Excluding non-recurring items, earnings in 1992 would have
      been $2.32 per common share.
        The 1991 results were significantly affected by the recording of the
      effects of the unreasonable plant cost disallowance applicable to the
      Units included in the ICC's March 1991 rate order, which reduced net
      income by approximately $734 million or $2.59 per common share. The
      rate increase authorized by the March 1991 ICC order, which became
      effective on March 20, 1991, partially offset these reductions.
      Excluding the non-recurring adjustments, earnings in 1991 would have
      been $2.67 per common share.
        See "Rate Proceedings" above for information relating to various
      rate proceedings which have affected the Company's earnings per common
      share.
 
      Kilowatthour Sales. Kilowatthour sales to ultimate consumers increased
      4.6% in 1993, the result of increased sales to all classes of
      customers (except railroads, which decreased), due primarily to more
      normal summer weather in 1993 as compared to 1992. Kilowatthour sales
      to ultimate consumers decreased 4.6% in 1992 principally reflecting
      lower kilowatthour sales to residential consumers as a result of a
      cooler than normal summer. Kilowatthour sales to ultimate consumers
      increased 5.2% in 1991, the result of increased sales to all classes
      of customers and a warmer summer in 1991 than 1990. Kilowatthour sales
      including sales for resale increased 16.0% in 1993, decreased 3.7% in
      1992 and increased 1.2% in 1991.
 
      Electric Operating Revenues. Operating revenues decreased $766 million
      in 1993 principally reflecting the recording of the effects of the
      Rate Matters Settlement and the Fuel Matters Settlement, which reduced
      1993 electric operating revenues by $1,282 million. This reduction was
      partially offset by a higher level of kilowatthour sales and an
      increase in the recovery of energy costs under the fuel adjustment
      provision in the Company's rates. See "Rate Proceedings" above and
      "Earnings per Common Share" herein and Note 2 of Notes to Financial
      Statements for additional information.
        Operating revenues decreased $249 million in 1992 principally
      reflecting a lower level of kilowatthour sales due to a cooler than
      normal summer, a decrease in the recovery of energy costs
      under the fuel adjustment provision in the Company's rates and a
      provision for revenue refunds of approximately $18 million related to
      the 1985 ICC rate order. The decrease more than offset the full effect
      of the rate increase authorized in the March 1991 ICC order, which
      became effective March 20, 1991. See "Rate Proceedings" above for
      additional information.
        Operating revenues increased $965 million in 1991 due to the rate
      increase which became effective on March 20, 1991, higher kilowatthour
      sales in 1991 and the favorable comparison to 1990 in which rates were
      rolled back as a result of the reversal of a December 1988 ICC rate
      order and provisions for revenue refunds which were made as a result
      of developments in the proceedings related to the 1985 ICC rate order
      and the reversal of the December 1988 ICC rate order. See "Rate
      Proceedings" above for additional information.
        Operating revenues for 1994 will be affected by the Rate Matters
      Settlement (discussed above), which lowered the level of the Company's
      rates.
 
 
                                                                              17
<PAGE>
 
      Fuel Costs. Changes in fuel expense for 1993, 1992 and 1991 primarily
      result from changes in the average cost of fuel consumed, changes in
      the mix of fuel sources of electric energy generated and changes in
      net generation of electric energy. Fuel mix is determined primarily by
      system load, the costs of fuel consumed and the availability of
      nuclear generating units. The cost of fuel consumed, net generation of
      electric energy and fuel sources of kilowatthour generation were as
      follows:
 
<TABLE>
<CAPTION>
                                                         1993    1992    1991
       ----------------------------------------------  ------  ------  ------
       <S>                                             <C>     <C>     <C>
       Cost of fuel consumed (per million Btu):
        Nuclear                                         $0.52   $0.52   $0.49
        Coal                                            $2.89   $2.96   $2.84
        Oil                                             $3.03   $3.02   $3.37
        Natural gas                                     $2.70   $2.36   $2.48
        Average all fuels                               $1.15   $0.97   $1.07
       Net generation of electric energy (millions of
        kilowatthours)                                 94,266  79,889  82,046
       Fuel sources of kilowatthour generation:
        Nuclear                                            75%     83%     77%
        Coal                                               23      15      21
        Oil                                                 1       1       1
        Natural gas                                         1       1       1
      ------------------------------------------------------------------------
                                                          100%    100%    100%
      ------------------------------------------------------------------------
</TABLE>
 
        The cost of nuclear fuel consumed in 1991 reflects an accrual for a
      $46 million court ordered refund from the Department of Energy (DOE)
      relating to spent nuclear fuel disposal costs. An offsetting amount was 
      included in deferred under or overrecovered energy costs in December 1991
      and was refunded to the Company's ratepayers through the fuel adjustment
      clause in February 1992. In connection with the Energy Policy Act of 1992,
      investor-owned electric utilities that have purchased enrichment services
      from the DOE will be assessed annually for a fifteen-year period amounts
      to fund a portion of the cost for the decontamination and decommissioning
      of three nuclear enrichment facilities previously operated by the DOE. The
      Company's portion of such assessments is estimated to be approximately $15
      million per year (to be adjusted annually for inflation). The Act provides
      that such assessments are to be treated as a cost of fuel. See Note 1 of
      Notes to Financial Statements for information related to the accounting
      for such costs.
      
      Fuel Supply. Compared to other utilities, the Company has relatively
      low average fuel costs. This results from the Company's reliance
      predominantly on lower cost nuclear generation. The Company's coal
      costs, however, are high compared to those of other utilities. The
      Company's western coal contracts and its rail contracts for delivery
      of the western coal were renegotiated during 1992 effective as of
      January 1, 1993, to provide, among other things, for significant
      reductions in the delivered price of the coal over the duration of the
      contracts. However, the renegotiated contracts provide for the
      purchase of certain coal at prices substantially above currently
      prevailing market prices and the Company has significant purchase
      commitments under its contracts. Coal and fuel oil, at average cost,
      included in the Consolidated Balance Sheets, decreased approximately
      $215 million in 1993 as compared to 1992, primarily due to lower
      inventory levels at year-end, reflecting the Company's present policy
      of maintaining coal inventories equal to 30 days of high utilization.
      Lower average costs per ton of coal due to renegotiated coal and rail
      contracts, which became effective January 1, 1993, also contributed to
      the decrease in 1993. For additional information concerning the
      Company's coal purchase commitments, fuel reconciliation proceedings
      and coal reserves, see "Liquidity and Capital Resources" above and
      Notes 2, 3, 17 and 19 of Notes to Financial Statements.
 
 
18
<PAGE>
 
- ------------------------------
 
      Purchased Power. Amounts of purchased power are primarily affected by
      system load, the availability of the Company's generating units and
      the availability and cost of power from other utilities.
        The number and average cost of kilowatthours purchased were as
      follows:
 
<TABLE>
<CAPTION>
                                                          1993   1992   1991
       -----------------------------------------------    ----  -----  -----
       <S>                                                <C>   <C>    <C>
       Kilowatthours (millions)                             644  2,555  3,374
       Cost per kilowatthour                              1.91c  1.78c  2.16c
      ------------------------------------------------
</TABLE>
 
      Deferred Under or Overrecovered Energy Costs--Net. Electric operating
      expenses for the years 1993, 1992 and 1991 reflect the net change in
      under or overrecovered allowable energy costs. See "Fuel Costs" and
      "Fuel Supply" above and Notes 1 and 3 of Notes to Financial
      Statements.
 
      Operation and Maintenance Expenses. Total operation and maintenance
      expenses decreased approximately 4% during 1993 and increased
      approximately 9% and 18% during 1992 and 1991, respectively. The
      decrease in 1993 primarily reflects a decrease in operation and
      maintenance expenses associated with nuclear generating stations,
      lower costs of pension benefits, lower expenses related to fossil
      generating station and customer-related activities, a decrease in the
      number of employes and lower research costs, partially offset by
      higher costs of other employe benefits, including postretirement
      health care benefits, and the cost related to a special incentive plan
      for employes. The increases in 1992 and 1991 primarily reflect an
      increase in operation and maintenance expenses associated with nuclear
      generating stations, cost of pension and other employe benefits,
      including postretirement health care benefits, and an increased number
      of employes. The increase in 1991 also reflects an increase related to
      transmission and distribution activities. Wage increases, the effects
      of which are reflected in the increases and decreases discussed below,
      have increased operation and maintenance expenses during 1992 and
      1991. Wages in 1993 were not increased over 1992 levels. The effects
      of inflation, which are also reflected in the increases and decreases
                                discussed below, have increased operation and
                                maintenance expenses during the periods. The
 Compared to other              cost of pension benefits (net of amounts
 utilities, the Company         charged to construction) decreased $16 million
 has relatively low             in 1993 and increased $21 million and $31
 average fuel costs. This       million in 1992 and 1991, respectively. The
 results from the               1992 pension increase reflects the effect of
 Company's reliance             the Company's workforce reduction program in
 predominantly on lower         which a charge to income of $26 million was
 cost nuclear generation.       recorded in 1992 (see Note 12 of Notes to
                                Financial Statements for additional
                                information). Additional costs associated with
                                the Company's management workforce reduction
                                program of approximately $11 million were 
      recorded in 1992, which adversely impacted operation and maintenance
      expenses for 1992. The cost of postretirement health care benefits (net of
      amounts charged to construction) increased $14 million, $29 million and
      $19 million in 1993, 1992 and 1991, respectively. The $14 million increase
      for 1993 reflects an increase in the cost of postretirement health care
      benefits of $17 million as a result of the Company adopting on January 1,
      1993, SFAS No. 106, Employers' Accounting for Postretirement Benefits
      Other Than Pensions (see Note 13 of Notes to Financial Statements for
      additional information). Nuclear operation and maintenance expenses
      decreased approximately $74 million in 1993 and increased $105 million and
      $79 million in 1992 and 1991, respectively. The decrease at the nuclear
      generating stations in 1993 includes the effects of the Company's cost
      reduction efforts. Operation and maintenance expenses associated with
      nuclear generating stations in future years may be significantly affected
      by regulatory, operational and other requirements. Operation and
      maintenance expenses associated with the Company's transmission and
      
                                                                              19
<PAGE>
 
- ------------------------------
 
      distribution system which increased $41 million in 1991, and remained
      stable in 1992 and 1993, may increase in future years due, in part, to
      the effect of increased customer expectations regarding reliability.
      Operation and maintenance expenses associated with the fossil
      generating stations in 1993 decreased $13 million and research costs
      decreased $10 million from the prior period due primarily to the
      effects in 1993 of the Company's cost reduction efforts. Costs of
      customer-related activities in 1993 decreased $13 million. Operation
      and maintenance expenses in 1993 also reflect a $36 million special
      incentive plan cost for employes related to a sharing of operation and
      maintenance savings below budgeted levels. In 1993, the Company
      recorded a provision of $5 million which reflects the low end of the
      range of its estimate of the liability associated with cleanup costs
      of remediation sites other than former manufactured gas plant (MGP)
      sites. In 1991, the Company recorded a provision of $25 million which
      reflects the low end of the range of its estimate of the liability
      associated with former MGPs. See Note 19 of Notes to Financial
      Statements for additional information concerning cleanup costs of
      remediation sites and former MGPs. For further information regarding
      the cost reduction plan and its effect on future operation and
      maintenance expenses, see "Liquidity and Capital Resources,"
      subcaption "Rates and Financial Condition" above.
 
    
      Depreciation. Depreciation expense increased in 1993 as a result of
      additions to plant in service. Depreciation expense increased in 1992
      as a result of reflecting in expense a full year's effect of increased
      decommissioning costs allowed by the March 1991 ICC rate order, which
      became effective March 20, 1991. Depreciation expense in 1991
      decreased compared to 1990 due primarily to lower average
                                annual composite depreciation rates as well as  
Average interest rate on        the reduction to depreciable plant facilities in
long-term debt                  1991 reflecting the effects of recording       
outstanding has been            disallowed plant costs, partially offset by the
significantly reduced,          increase in decommissioning expense resulting  
primarily through               from the March 1991 ICC rate order. As discussed
refinancings at generally       in Note 1 of Notes to Financial Statements, 
lower rates of interest.        the Company has revised its estimate of 
                                decommissioning costs to aggregate 
approximately $4.06 billion, in current-year (1993) dollars, from the
approximate $2.32 billion estimate of decommissioning costs, in current-year
(1993) dollars, reflected in its current rates. The current accrual of
approximately $127 million reflected in the Company's rates coupled with
accumulated earnings on the tax-qualified and nontax-qualified trust funds 
based on after-tax earnings assumptions of 7.30% and 6.26%, respectively, is 
expected to provide sufficient funds to pay estimated decommissioning costs 
assuming a 4.5% escalation rate. Should the expected trust fund and trust fund
earnings be less than the current forecast, the Company believes that it is 
probable that decommissioning costs not funded by the trust fund, including 
trust fund earnings, would ultimately be recoverable through rates. See Note 1
of Notes to Financial Statements for information concerning depreciation rates
and decommissioning costs.     

Interest on Debt. Changes in interest on long-term debt and notes payable for
the years 1993, 1992 and 1991 were due to changes in average interest rates and
in the amounts of long-term debt and notes payable outstanding. Changes in
interest on long-term debt reflect new issues of debt and the retirement and
redemption of issues which were refinanced at generally lower rates of interest.
The average amounts of long-term debt and notes payable outstanding and average
interest rates thereon were as follows:
 
<TABLE>
<CAPTION>
                                                    1993      1992      1991
       --------------------------------------   --------  --------  --------
       <S>                                      <C>       <C>       <C>
       Long-term debt outstanding:
        Average amount (millions)               $8,105.1  $7,699.9  $7,314.3
        Average interest rate                       8.03%     8.58%     9.09%
       Notes payable outstanding:
        Average amount (millions)                   $5.7     $17.5      $1.9
        Average interest rate                       5.83%     4.43%     8.22%
      -----------------------------------------------------------------------
</TABLE>
 
      Recovery/(Deferral) of Regulatory Assets--Net. In the March 1991 ICC
      rate order, the ICC provided that, for ratemaking purposes, certain
      rate case and consultant costs associated with the prudency audits for
      the Units could be deferred and amortized. Approximately $43 million
      of such costs were capitalized and resulted in an increase to net
      income in 1991 of approximately $24 million or $0.11 per common share.
 
20
<PAGE>
 
      In the Remand Order, the ICC provided that, for ratemaking purposes,
      deferred carrying charges on the reasonable and "used and useful"
      plant costs of the Units for the period April 1, 1989 until
      approximately March 20, 1991, the date the Units were reflected in
      rates, could be deferred and amortized. Approximately $438 million of
      such costs were capitalized in October 1993 and resulted in an
      increase to net income of approximately $269 million or $1.26 per
      common share.
 
      Taxes. In the third quarter of 1993, the President of the United
      States signed into law a deficit-reduction plan that includes, among
      other things, an increase in the federal statutory corporate income
      tax rate from 34% to 35%, effective January 1, 1993. The estimated
      effect of the higher rate would be to increase the Company's costs by
      approximately $12 million per year. The Company began recording the
      effects of the increased taxes in the third quarter of 1993. In
      addition to the effects on income discussed above, the Company
      recorded in the third quarter of 1993 a net increase in the deferred
      income tax liability which was primarily offset by regulatory assets
      net of regulatory liabilities, reflecting the increase in taxes
      recoverable in rates to settle net income tax liabilities recorded in
      prior years.
        Further, the Company recorded in the third quarter of 1993 the
      effects of the elimination of a scheduled reduction in a component of
      the statutory Illinois income tax rate which was to have declined to
      4.4% from 4.8%, effective July 1, 1993.
        In 1993, the Company recorded a loss for income tax purposes. Income
      tax overpayments made prior to the determination of such loss of
      approximately $185 million are included in the Consolidated Balance
      Sheet in receivables.
        See Note 14 of Notes to Financial Statements for information
      concerning the accounting standard adopted by the Company in January
      1993 which requires the Company to use an asset and liability approach
      for financial accounting and reporting for income taxes rather than
      the deferred method.
 
    
      Decommissioning. The staff of the SEC has questioned certain of the
      current accounting practices of the electric utility industry, including
      the Company, regarding the recognition, measurement and classification of
      decommissioning costs for nuclear generating stations in financial
      statements of electric utilities. In response to these questions the
      electric utility industry has requested the Financial Accounting Standards
      Board to review the accounting for removal costs, including
      decommissioning. If current electric utility industry accounting practices
      for such decommissioning are changed: (1) annual provisions for
      decommissioning could increase; (2) the estimated cost for decommissioning
      could be recorded as a liability rather than as accumulated depreciation;
      and (3) trust fund income from the external decommissioning trusts could
      be reported as investment income rather than as a reduction to
      decommissioning expense. The Company does not believe that such changes,
      if required, would have an adverse effect on results of operations due to
      its current and future ability to recover decommissioning costs through
      rates.     

      Regulatory Assets and Liabilities. The balance of Regulatory Assets
      increased from December 31, 1992 to December 31, 1993 by approximately
      $2,220 million. The increase is due primarily to the Company's
      adoption of SFAS No. 109 effective January 1, 1993. The effect of the
      implementation entry was to record regulatory assets of approximately
      $1,546 million. Further, as discussed under the subcaption "Taxes"
      above, in the third quarter of 1993, the Company began recording the
      effects of the increased federal statutory corporate income tax rate
      effective January 1, 1993, in addition to recording the effects of the
      elimination of a scheduled reduction in a component of the statutory
      Illinois income tax rate, effective July 1, 1993, which in total
      resulted in an increase to regulatory assets of approximately $224
      million. Approximately $436 million of the increase in regulatory assets
      reflects the unamortized balance of deferred carrying charges recorded by
      the Company in 1993 on the Units, as discussed under the subcaption
      "Recovery/(Deferral) of Regulatory Assets--Net" above. The remaining
      increase is related primarily to losses from reacquisition in 1993 of
      first mortgage bonds prior to their scheduled maturity dates, which were
      deferred consistent with regulatory treatment. A regulatory liability was
      also recorded in compliance with SFAS No. 109. See Notes 1 and 14 of Notes
      to Financial Statements for additional information.
 
      Other Items. The amounts of allowance for funds used during
      construction (AFUDC) reflect changes in the average levels of
      investment subject to AFUDC and changes in the average annual rates as
      discussed in Note 1 of Notes to Financial Statements. AFUDC does not
      contribute to the current cash flow of the Company.
        The approximate $720 million increase in other cash investments, at
      cost, and temporary cash investments, at cost, in 1993 as compared to
      1992, reflects additional cash flow from higher operating revenues
      collected prior to the finalization of the Rate Matters Settlement as
      well as a reduction in
 
                                                                              21
<PAGE>
 
      operation and maintenance expenses, construction expenditures and
      dividends paid on capital stock. Although the Company recorded the
      provisions for revenue refunds in 1993, the majority of the refunds to
      its customers will be made in 1994.
        The ratios of earnings to fixed charges for the years 1993, 1992 and
      1991 were 1.19, 2.06 and 1.59, respectively. The ratios of earnings to
      fixed charges and preferred and preference stock dividend requirements
      for the years 1993, 1992 and 1991 were 1.03, 1.78 and 1.36,
      respectively.
        Business corporations in general have been adversely affected by
      inflation because amounts retained after the payment of all costs have
      been inadequate to replace, at increased costs, the productive assets
      consumed. Electric utilities in particular have been especially
      affected as a result of their capital intensive nature and regulation
      which limits capital recovery and prescribes installation or
      modification of facilities to comply with increasingly stringent
      safety and environmental requirements. Because the regulatory process
      limits the amount of depreciation expense included in the Company's
      revenue allowance to the original cost of utility plant investment,
      the resulting cash flows are inadequate to provide for replacement of
      that investment in future years or preserve the purchasing power of
      common equity capital previously invested.
 
22
<PAGE>
 
Report of Independent Public Accountants

      To the Shareholders of Commonwealth Edison Company:
 
      We have audited the accompanying consolidated balance sheets and
      statements of consolidated capitalization of Commonwealth Edison
      Company (an Illinois corporation) and subsidiary companies as of
      December 31, 1993 and 1992, and the related statements of consolidated
      income, retained earnings, premium on common stock and other paid-in
      capital, and cash flows for each of the three years in the period
      ended December 31, 1993. These financial statements are the
      responsibility of the Company's management. Our responsibility is to
      express an opinion on these financial statements based on our audits.
        We conducted our audits in accordance with generally accepted
      auditing standards. Those standards require that we plan and perform
      the audit to obtain reasonable assurance about whether the financial
      statements are free of material misstatement. An audit includes
      examining, on a test basis, evidence supporting the amounts and
      disclosures in the financial statements. An audit also includes
      assessing the accounting principles used and significant estimates
      made by management, as well as evaluating the overall financial
      statement presentation. We believe that our audits provide a
      reasonable basis for our opinion.
        In our opinion, the financial statements referred to above present
      fairly, in all material respects, the financial position of
      Commonwealth Edison Company and subsidiary companies as of December
      31, 1993 and 1992, and the results of their operations and their cash
      flows for each of the three years in the period ended December 31,
      1993, in conformity with generally accepted accounting principles.
        As discussed in Notes 13 and 14, effective January 1, 1993, the
      Company changed its method of accounting for postretirement health
      care benefits and income taxes, respectively.
 
      [LOGO-Sig. of Arthur Andersen & Co.]
 
      Chicago, Illinois
          
      March 18, 1994     
 
                                                                              25
<PAGE>
 
Summary of Selected Consolidated Financial Data
<TABLE>
<CAPTION>
       (millions of dollars except per share data)      1993    1992       1991    1990    1989
       -------------------------------------------   ------- -------    ------- ------- -------
       <S>                                           <C>     <C>        <C>     <C>     <C>
       Electric operating revenues                   $ 5,260 $ 6,026    $ 6,276 $ 5,311 $ 5,819
       Net income                                    $   112 $   514    $    95 $   128 $   694
       Earnings per common share                     $  0.22 $  2.08    $  0.08 $  0.22 $  2.83
       Cash dividends declared per common share      $  1.60 $  2.30    $  3.00 $  3.00 $  3.00
       Total assets (at end of year)                 $23,963 $20,993(1) $17,365 $17,889 $17,948
       Long-term obligations at end of year
        excluding current portion:
         Long-term debt and preference stock
          subject to mandatory redemption
          requirements                               $ 7,861 $ 7,913    $ 7,081 $ 7,341 $ 7,002
         Accrued spent nuclear fuel disposal
          fee and related interest                   $   567 $   549    $   530 $   500 $   462
         Capital lease obligations                   $   321 $   347    $   396 $   387 $   413
         Other long-term obligations                 $ 1,303 $   666    $   341 $   225 $   214
      -----------------------------------------------------------------------------------------
</TABLE>
      (1)See Note 14 of Notes to Financial Statements for additional
      information.
 
Price Range* and Dividends Paid Per Share of Common Stock
<TABLE>
<CAPTION>
                           1993 (by quarters)          1992 (by quarters)
                       --------------------------- ---------------------------
                       Fourth  Third Second  First Fourth  Third Second  First
                       ------ ------ ------ ------ ------ ------ ------ ------
       <S>             <C>    <C>    <C>    <C>    <C>    <C>    <C>    <C>
       Price Range:
         High          30 5/8 31 5/8 29 7/8 28 1/4     26 27 5/8 34 1/4 40 1/8
         Low           27 3/8 27 3/8 25 5/8 22 7/8 21 3/4 22 7/8 26 5/8 33 3/4
       Dividends Paid  40c       40c    40c    40c    40c    75c    75c    75c
       *As reported as NYSE Composite Transactions.
      ------------------------------------------------------------------------
</TABLE>
      The Company's common stock is traded on the New York, Chicago and
      Pacific stock exchanges, with the ticker symbol CWE. At December 31,
      1993, there were approximately 196,000 holders of record of the
      Company's common stock.
 
1993 Revenues and Sales
<TABLE>
<CAPTION>
                                  Electric
                                 Operating   Increase/ Kilowatthour  Increase/            Increase/
                               Revenues(1)  (Decrease)        Sales (Decrease)           (Decrease)
                               (thousands)   Over 1992   (millions)  Over 1992 Customers  Over 1992
                               -----------  ---------- ------------ ---------- --------- ----------
       <S>                     <C>          <C>        <C>          <C>        <C>       <C>
       Residential              $2,341,155       9.1 %       20,818      8.0 % 3,009,508      1.0 %
       Small commercial and
        industrial               1,962,662       4.7 %       23,463      3.5 %   283,764      0.6 %
       Large commercial and
         industrial              1,437,680       4.6 %       22,917      3.4 %     1,503     (1.6)%
       Public authorities          474,034       4.8 %        6,741      2.7 %    12,023      1.2 %
       Electric railroads           27,593      (0.1)%          405     (1.4)%         2       -- %
      ---------------------------------------------------------------------------------------------
        Ultimate
         consumers--total       $6,243,124       6.3 %       74,344      4.6 % 3,306,800      0.9 %
       Provisions for
        revenue refunds--
        ultimate consumers      (1,281,788)                      --                   --
      ---------------------------------------------------------------------------------------------
        Ultimate
         consumers--net         $4,961,336                   74,344            3,306,800
      ---------------------------------------------------------------------------------------------
       Sales for resale         $  242,550
       Provisions for revenue
        refunds--sales for
        resale                      (4,977)
      ---------------------------------------------------------------------------------------------
       Sales for resale--net    $  237,573                   13,417                   17
       Other revenues               61,531                       --                   --
      ---------------------------------------------------------------------------------------------
                                $5,260,440     (12.7)%       87,761     16.0 % 3,306,817      0.9 %
      ---------------------------------------------------------------------------------------------
</TABLE>
      (1) See Note 2 of Notes to Financial Statements and the Statements of
          Consolidated Income for information related to revenue refunds.
 
26
<PAGE>
 
Statements of Consolidated Income
                            Commonwealth Edison Company and Subsidiary Companies
<TABLE>
<CAPTION>
       (thousands except per share data)         1993        1992         1991
       ----------------------------------  ----------  ----------  -----------
       <S>                                 <C>         <C>         <C>
Electric operating revenues
(Notes 2 and 3):
       Operating revenues                  $6,547,205  $6,044,693  $ 6,276,384
       Provisions for revenue refunds      (1,286,765)    (18,372)        (851)
      -------------------------------------------------------------------------
                                           $5,260,440  $6,026,321  $ 6,275,533
- -------------------------------------------------------------------------------
Electric operating expenses and taxes:
       Fuel (Notes 1, 2, 3, 10 and 19)     $1,170,935  $  841,321  $   968,176
       Purchased power                         12,303      45,579       72,980
       Deferred (under)/overrecovered
        energy costs--net
        (Notes 1 and 3)                        (1,757)    (30,254)      31,204
       Operation                            1,457,689   1,529,849    1,412,366
       Maintenance                            581,714     587,778      527,489
       Depreciation (Note 1)                  862,766     836,129      825,837
       Recovery/(deferral) of regulatory
        assets--net                             5,235       3,330      (39,704)
       Taxes (except income) (Note 15)        701,913     743,909      742,570
       Income taxes (Notes 1 and 14)--
        Current  --Federal                    (19,930)    139,857      236,369
                 --State                       (7,623)     21,531       53,068
        Deferred --Federal--net                88,052      97,066      123,479
                 --State--net                  34,752      45,829       38,558
       Investment tax credits deferred--
        net (Notes 1 and 14)                  (29,424)    (32,506)     (32,054)
      -------------------------------------------------------------------------
                                           $4,856,625  $4,829,418  $ 4,960,338
- -------------------------------------------------------------------------------
Electric operating income                  $  403,815  $1,196,903  $ 1,315,195
- -------------------------------------------------------------------------------
Other income and (deductions):
       Interest on long-term debt          $ (651,181) $ (660,429) $  (664,946)
       Interest on notes payable                 (334)       (775)        (152)
       Allowance for funds used during
        construction (Note 1)--
        Borrowed funds                         16,930      17,213       13,500
        Equity funds                           20,618      19,960       18,272
       Income taxes applicable to
        nonoperating activities (Notes 1
        and 14)                                29,913       6,275      (10,842)
       Disallowed plant costs (Note 3)            --          --      (644,862)
       Income tax reduction for
        disallowed plant costs (Note 3)           791         --        76,579
       Deferred carrying charges (Note 2)     438,183         --           --
       Interest and other costs for 1993
        Settlements (Note 2)                  (98,674)        --           --
       Miscellaneous--net                     (57,359)    (65,166)      (7,857)
      -------------------------------------------------------------------------
                                           $ (301,113) $ (682,922) $(1,220,308)
- -------------------------------------------------------------------------------
Net income before cumulative effect of 
 change in accounting for income taxes     $  102,702  $  513,981  $    94,887
Cumulative effect of change in accounting 
 for income taxes                               9,738         --           --
- -------------------------------------------------------------------------------
Net income                                 $  112,440  $  513,981  $    94,887
Provision for dividends on preferred and 
 preference stocks                             66,052      70,539       78,288
- -------------------------------------------------------------------------------
Net income on common stock                 $   46,388  $  443,442  $    16,599
- -------------------------------------------------------------------------------
Average number of common shares outstanding   213,508     212,929      212,452
Earnings per common share before cumulative 
 effect of change in accounting for 
 income taxes                                   $0.17       $2.08        $0.08
Cumulative effect of change in accounting 
 for income taxes                                0.05         --           --
- -------------------------------------------------------------------------------
Earnings per common share                       $0.22       $2.08        $0.08
- -------------------------------------------------------------------------------
Cash dividends declared per common share        $1.60       $2.30        $3.00
- -------------------------------------------------------------------------------
</TABLE>
 
   The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
                                                                              27
<PAGE>
 
Consolidated Balance Sheets
<TABLE>
<CAPTION>
       (thousands of dollars)           December 31,         1993         1992
       ---------------------------------------------  -----------  -----------
ASSETS
Utility plant
(Notes 1, 3, 8, 16, 17 and 18):
       <S>                                            <C>          <C>
       Plant and equipment, at original cost
        (includes construction work in progress of
        $1,040 million and $1,165 million,
        respectively)                                 $26,097,934  $25,400,822
       Less--Accumulated provision for depreciation     8,868,024    8,146,445
      -------------------------------------------------------------------------
                                                      $17,229,910  $17,254,377
       Nuclear fuel, at amortized cost                    662,562      665,964
      -------------------------------------------------------------------------
                                                      $17,892,472  $17,920,341
- -------------------------------------------------------------------------------
Investments:
       Nuclear decommissioning funds, at cost (Notes
        1 and 11)                                     $   706,841  $   533,463
       Subsidiary companies (Notes 1 and 17)              122,332      112,900
       Other investments, at cost (Note 17)                72,379      123,324
      -------------------------------------------------------------------------
                                                      $   901,552  $   769,687
- -------------------------------------------------------------------------------
Current assets:
       Cash                                           $       743  $       --
       Temporary cash investments, at cost which
        approximates market                               247,119      145,749
       Other cash investments, at cost which
        approximates market                               641,575       22,226
       Special deposits, at cost which approximates
        market (Note 11)                                   32,635      260,899
       Receivables (Note 1)--
        Customers                                         427,613      445,676
        Income taxes                                      186,687        5,159
        Other                                              66,963       75,089
        Provisions for uncollectible accounts             (10,910)     (12,976)
       Coal and fuel oil, at average cost                 111,752      327,134
       Materials and supplies, at average cost            402,714      404,548
       Deferred underrecovered energy costs (Notes 1
        and 3)                                              4,728        2,971
       Deferred income taxes related to current
        assets and liabilities (Note 14)--
        Loss carryforward                                 175,197          --
        Other                                             166,102      115,137
       Prepayments and other                               42,190       37,659
      -------------------------------------------------------------------------
                                                      $ 2,495,108  $ 1,829,271
- -------------------------------------------------------------------------------
Deferred charges:
       Regulatory assets (Notes 1 and 14)             $ 2,619,442  $   399,453
       Other                                               54,078       74,591
      -------------------------------------------------------------------------
                                                      $ 2,673,520  $   474,044
      -------------------------------------------------------------------------
                                                      $23,962,652  $20,993,343
- -------------------------------------------------------------------------------
</TABLE>
 
   The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
28
<PAGE>
 
                            Commonwealth Edison Company and Subsidiary Companies
<TABLE>
<CAPTION>
       (thousands of dollars)              December 31,         1993        1992
       ------------------------------------------------  ----------- -----------
LIABILITIES
Capitalization
(see accompanying statements):
 
       <S>                                               <C>         <C>
       Common stock equity                               $ 5,421,893 $ 5,707,832
       Preferred and preference stocks without
        mandatory redemption requirements                    441,445     442,142
       Preference stock subject to mandatory redemption
        requirements                                         309,964     312,789
       Long-term debt                                      7,550,762   7,600,692
      --------------------------------------------------------------------------
                                                         $13,724,064 $14,063,455
- --------------------------------------------------------------------------------
Current liabilities:
       Notes payable--bank loans (Note 9)                $     5,950 $     5,600
       Current portion of long-term debt, redeemable
        preference stock and capitalized lease
        obligations (Note 11)                                630,050     564,538
       Accounts payable                                      489,080     457,918
       Accrued interest                                      186,825     192,658
       Accrued taxes                                         132,362     165,763
       Dividends payable                                     101,047     101,961
       Estimated revenue refunds and related interest      1,166,308       2,833
       Customer deposits                                      45,757      47,578
       Other                                                  98,519      83,580
      --------------------------------------------------------------------------
                                                         $ 2,855,898 $ 1,622,429
- --------------------------------------------------------------------------------
Deferred credits and other noncurrent liabilities:
       Deferred income taxes (Note 14)                   $ 4,445,173 $ 2,968,899
       Accumulated deferred investment tax credits
        (Notes 1 and 14)                                     746,508     775,932
       Accrued spent nuclear fuel disposal fee and
        related interest
        (Note 10)                                            566,527     549,422
       Obligations under capital leases (Note 16)            321,393     347,413
       Regulatory liability (Notes 1 and 14)                 592,770         --
       Other (Notes 1, 12 and 13)                            710,319     665,793
      --------------------------------------------------------------------------
                                                         $ 7,382,690 $ 5,307,459
- --------------------------------------------------------------------------------
Commitments and contingent liabilities (Note 19)
- --------------------------------------------------------------------------------
                                                         $23,962,652 $20,993,343
- --------------------------------------------------------------------------------
</TABLE>
 
   The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
                                                                              29
<PAGE>
 
Statements of Consolidated Capitalization
                            Commonwealth Edison Company and Subsidiary Companies
<TABLE>
<CAPTION>
       (thousands of dollars)            December 31,         1993         1992
       ----------------------------------------------  -----------  -----------
Common stock equity
(Notes 4, 5 and 19):
       <S>                                             <C>          <C>
       Common stock, $12.50 par value per share--
        Outstanding--213,751,147 shares and
        213,305,404 shares, respectively               $ 2,671,889  $ 2,666,318
       Premium on common stock and other paid-in
        capital                                          2,217,110    2,210,524
       Capital stock and warrant expense                   (16,258)     (16,196)
       Retained earnings (Note 2)                          549,152      847,186
      --------------------------------------------------------------------------
                                                       $ 5,421,893  $ 5,707,832
- --------------------------------------------------------------------------------
Preferred and preference stocks without mandatory redemption requirements
(Notes 4, 6 and 11):
       Preference stock, cumulative, without par
        value--
        Outstanding--10,499,549 shares                 $   432,320  $   432,320
       $1.425 convertible preferred stock,
        cumulative, without par value--
        Outstanding--286,949 shares and 308,891
        shares, respectively                                 9,125        9,822
       Prior preferred stock, cumulative, $100 par
        value per share--
        No shares outstanding                                  --           --
      --------------------------------------------------------------------------
                                                       $   441,445  $   442,142
- --------------------------------------------------------------------------------
Preference stock subject to mandatory redemption requirements
(Notes 4, 7 and 11):
       Preference stock, cumulative, without par
        value--
        Outstanding--3,290,290 shares and 4,425,445
        shares, respectively                           $   327,653  $   348,442
       Current redemption requirements for preference
        stock included in current liabilities              (17,689)     (35,653)
      --------------------------------------------------------------------------
                                                       $   309,964  $   312,789
- --------------------------------------------------------------------------------
Long-term debt
(Notes 8, 11 and 20):
       First mortgage bonds:
        Maturing 1993 through 1998--5 1/4% to 10 1/8%  $   818,000  $ 1,013,000
        Maturing 1999 through 2008--6 3/8% to 10 3/8%    2,204,600    2,149,655
        Maturing 2009 through 2018--7 1/4% to 12%          956,000    1,311,000
        Maturing 2019 through 2023--7 3/4% to 9 7/8%     2,020,000    1,460,000
      --------------------------------------------------------------------------
                                                       $ 5,998,600  $ 5,933,655
       Sinking fund debentures, due 1999 through
        2011--2 3/4% to 7 5/8%                             120,185      121,093
       Pollution control obligations, due 2004
        through 2014--5 7/8% to 11 3/8%                    353,200      353,200
       Other long-term debt                              1,598,625    1,613,246
       Current maturities of long-term debt included
        in current liabilities                            (446,724)    (351,124)
       Unamortized net debt discount and premium
        (Note 1)                                           (73,124)     (69,378)
      --------------------------------------------------------------------------
                                                       $ 7,550,762  $ 7,600,692
- --------------------------------------------------------------------------------
                                                       $13,724,064  $14,063,455
- --------------------------------------------------------------------------------
</TABLE>
   The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
30
<PAGE>
 
Statements of Consolidated Cash Flows
                            Commonwealth Edison Company and Subsidiary Companies
<TABLE>
<CAPTION>
       (thousands of dollars)                   1993         1992        1991
       -------------------------------   -----------  -----------  ----------
Cash flow from operating activities:
       <S>                               <C>          <C>          <C>
       Net income                        $   112,440  $   513,981  $   94,887
       Adjustments to reconcile net
        income to net cash provided by
        operating activities:
        Depreciation and amortization        911,136      874,156     874,660
        Deferred income taxes and
         investment tax credits--net          85,079      109,850      65,154
        Cumulative effect of change in
         accounting for income taxes          (9,738)         --          --
        Equity component of allowance
         for funds used
         during construction                 (20,618)     (19,960)    (18,272)
        Provisions for revenue refunds
         and related interest              1,354,197       73,370      12,584
        Revenue refunds and related
         interest                           (190,723)    (248,360)    (90,332)
        Disallowed plant costs                   --           --      644,862
        Recovery/(deferral) of
         regulatory assets/deferred
         carrying charges--net              (432,948)       3,330     (39,704)
        Provisions/(payments) for
         liability for early
         retirement and separation
         costs--net                           (1,816)      27,814         --
        Provisions/(payments) for
         liabilities associated with
         remediation costs and
         manufactured gas plants--net          5,000         (478)     25,000
        Net effect on cash flows of
         changes in:
         Receivables                        (157,405)      70,776    (196,558)
         Coal and fuel oil                   215,382     (111,333)     95,779
         Materials and supplies                1,834        1,990     (36,496)
         Accounts payable adjusted for
          nuclear fuel lease principal
          payments and
          provisions/(payments) for
          liability for early
          retirement and separation
          costs--net                         278,946      315,822     280,131
         Accrued interest and taxes          (39,234)     (85,633)    101,259
         Other changes in certain
          current assets and
          liabilities                         (6,637)      (9,031)     40,891
        Other--net                           144,318       61,328      83,452
      ------------------------------------------------------------------------
                                         $ 2,249,213  $ 1,577,622  $1,937,297
- ------------------------------------------------------------------------------
Cash flow from investing activities:
       Construction expenditures         $  (841,525) $  (995,881) $ (961,168)
       Nuclear fuel expenditures            (261,370)    (220,347)   (250,559)
       Equity component of allowance
        for funds used during
        construction                          20,618       19,960      18,272
       Investment in nuclear
        decommissioning funds               (173,378)    (156,017)   (117,294)
       Investment in coal reserves               (43)     (79,961)    (78,678)
       Investment in subsidiary
        companies                                --          (268)        --
       Other cash investments               (619,349)      23,853     416,144
      ------------------------------------------------------------------------
                                         $(1,875,047) $(1,408,661) $ (973,283)
- ------------------------------------------------------------------------------
Cash flow from financing activities:
       Issuance of securities--
        Long-term debt                   $ 1,927,296  $ 1,962,737  $  736,281
        Capital stock                         80,585       15,568      13,334
       Retirement and redemption of
        securities--
        Long-term debt                    (1,900,540)  (1,214,730)   (795,236)
        Capital stock                        (93,081)     (50,069)    (75,546)
       Deposits and securities held
        for retirement and redemption
        of securities                        241,731     (245,028)      4,043
       Premium paid on early
        redemption of long-term debt         (78,395)     (10,809)    (25,855)
       Cash dividends paid on capital
        stock                               (408,285)    (635,370)   (716,849)
       Proceeds from sale/leaseback of
        nuclear fuel                         204,254      190,830     240,263
       Nuclear fuel lease principal
        payments                            (245,968)    (245,877)   (231,150)
       Increase in short-term
        borrowings                               350        3,600         250
      ------------------------------------------------------------------------
                                         $  (272,053) $  (229,148) $ (850,465)
- ------------------------------------------------------------------------------
       Increase (Decrease) in cash and
        temporary cash investments       $   102,113  $   (60,187) $  113,549
       Cash and temporary cash
        investments at beginning of
        year                                  145,749     205,936      92,387
- ------------------------------------------------------------------------------
       Cash and temporary cash
        investments at end of year       $   247,862  $   145,749  $  205,936
- ------------------------------------------------------------------------------
</TABLE>
 
   The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
                                                                              31
<PAGE>
 
Statements of Consolidated Retained Earnings
                            Commonwealth Edison Company and Subsidiary Companies
<TABLE>
<CAPTION>
       (thousands of dollars)                   1993       1992       1991
       -----------------------------------  -------- ---------- ----------
       <S>                                  <C>      <C>        <C>
Balance Beginning of year                   $847,186 $  893,702 $1,513,894
Add
       Net income                            112,440    513,981     94,887
      --------------------------------------------------------------------
                                            $959,626 $1,407,683 $1,608,781
- --------------------------------------------------------------------------
Deduct
       Cash dividends declared on--
        Common stock                        $341,683 $  489,768 $  637,480
        Preferred and preference stocks       65,688     70,101     77,599
       Loss on reacquired preference stock     3,103        628        --
      --------------------------------------------------------------------
                                            $410,474 $  560,497 $  715,079
- --------------------------------------------------------------------------
Balance
       End of year                          $549,152 $  847,186 $  893,702
- --------------------------------------------------------------------------
</TABLE>
 
 
Statements of Consolidated Premium on Common Stock and Other Paid-In Capital
                            Commonwealth Edison Company and Subsidiary Companies
 
<TABLE>
<CAPTION>
       (thousands of dollars)                     1993       1992       1991
       -----------------------------------  ---------- ---------- ----------
       <S>                                  <C>        <C>        <C>
Balance Beginning of year                   $2,210,524 $2,202,496 $2,194,314
Add
       Premium on issuance of common stock
        and gain on reacquired preference
        stock                                    6,586      8,028      8,182
- ----------------------------------------------------------------------------
Balance
       End of year                          $2,217,110 $2,210,524 $2,202,496
</TABLE>
 
- --------------------------------------------------------------------------------
 
   The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
32
<PAGE>
 
Notes to Financial Statements
                            Commonwealth Edison Company and Subsidiary Companies
- --------------------------------
 1 Summary of Significant Accounting Policies
 
      Regulation. Commonwealth Edison Company (Company) is subject to the
      regulation of the Illinois Commerce Commission (ICC) and Federal
      Energy Regulatory Commission (FERC). The Company's accounting policies
      and the accompanying consolidated financial statements conform to
      generally accepted accounting principles applicable to rate-regulated
      enterprises and reflect the effects of the ratemaking process. Such
      effects concern mainly the time at which various items enter into the
      determination of net income in order to follow the principle of
      matching costs and revenues. See "Management's Discussion and Analysis
      of Financial Condition and Results of Operations," subcaption
      "Liquidity and Capital Resources," for information related to the
      Company's rates and financial condition.
 
      Principles of Consolidation. The consolidated financial statements
      include the accounts of the Company and its wholly-owned subsidiary,
      Commonwealth Edison Company of Indiana, Inc. (collectively,
      companies), the only subsidiary engaged in the electric utility
      business. The consolidated financial statements also include the
      accounts of the Company's wholly-owned subsidiary, CECo Enterprises
      Inc., an unregulated subsidiary engaged in energy service activities.
      All significant intercompany transactions have been eliminated. The
      investments in other subsidiary companies, which are not material in
      relation to the Company's financial position and results of
      operations, are accounted for in accordance with the equity method of
      accounting.
 
      Customer Receivables and Revenues. The Company is engaged principally
      in the production, purchase, transmission, distribution and sale of
      electricity to a diverse base of residential, commercial and
      industrial customers. The Company's electric service territory has an
      area of approximately 11,540 square miles and an estimated population
      of approximately 8.1 million as of December 31, 1993, approximately
      8.2 million as of December 31, 1992 and approximately 8.1 million as
      of December 31, 1991. It includes the city of Chicago, an area of
      about 225 square miles with an estimated population of three million
      from which the Company derived approximately one-third of its ultimate
      consumer revenues in 1993. The Company had approximately 3.3 million
      electric customers at December 31, 1993.
 
      Depreciation. Depreciation is provided on the straight-line basis by
      amortizing the cost of depreciable plant and equipment over estimated
      composite service lives. Such provisions for depreciation were at
      average annual rates of 3.12%, 3.12% and 3.22% of average depreciable
      utility plant and equipment for the years 1993, 1992 and 1991,
      respectively. The ICC's March 8, 1991 rate order directs the Company
      to depreciate non-nuclear plant and equipment at annual rates
      developed for each class of plant based on their composite service
      lives. The annual rate for nuclear plant and equipment is 2.88% which
      excludes decommissioning costs. The provisions for chemical cleaning
      are reflected in the Statements of Consolidated Income in maintenance
      expense and in the Consolidated Balance Sheets in other noncurrent
      liabilities.
   
        Nuclear plant decommissioning costs are accrued over the expected
      service life of the related nuclear generating stations. The accrual is
      based on an annual levelized cost of the unrecovered portion of
      decommissioning costs which are escalated for expected inflation to the
      expected time of decommissioning and are net of expected earnings on the
      trust fund. See "Decommissioning" under "Management's Discussion and
      Analysis of Financial Condition and Results of Operations," subcaption
      "Results of Operations," for a discussion of questions raised by the staff
      of the Securities and Exchange Commission regarding the electric utility
      industry accounting for decommissioning costs. Decommissioning is expected
      to occur relatively soon after the end of the useful life of each related
      generating station using a prompt removal method authorized by the Nuclear
      Regulatory Commission (NRC) guidelines. The Company's twelve operating
      units have estimated remaining service lives ranging from 13 to 34 years.
      The Company's first nuclear unit is retired and will be decommissioned 
      with the operating units at that station, which is consistent with the
      regulatory treatment for the related decommissioning costs.
        The Company has recently completed a study which determined that
      decommissioning costs, including the costs of decontamination, dismantling
      and site restoration are estimated to aggregate $4.06 billion, in current-
      year (1993) dollars. This compares to the estimate for decommissioning
      costs of $2.32 billion, in current-year (1993) dollars, reflected in the
      Company's last rate order of March 8, 1991. The $4.06 billion estimate is
      based on plant location and cost characteristics for the Company's nuclear
      plants. The estimate includes additional low level waste burial costs,
      higher labor costs due to expected reduced NRC annual dose limit
      requirements and higher costs resulting from an additional five year
      period in the decommissioning process to allow sufficient cooling of on-
      site spent nuclear fuel before it is removed from the fuel pool.
        On February 10, 1994, the Company filed a rate increase request with the
      ICC. As part of that request, the Company proposed to increase its annual
      accrual of decommissioning costs to approximately $170 million from the
      current level of $127 million approved in the March 8, 1991 rate order.
      The assumptions used to calculate the $43 million proposed increase in the
      annual accrual of decommissioning costs (such as the current
      decommissioning costs estimate of $4.06 billion, after-tax earnings on the
      tax-qualified and nontax-qualified decommissioning funds of 7.30% and
      6.26%, respectively, as well as a future escalation rate of 5.3% in
      decommissioning costs) reflect some uncertainty. The rate filing is
      designed to provide greater assurance than current rate levels that
      sufficient funds will be available in the external decommissioning trusts
      for decommissioning expenditures when the nuclear plants are retired. The
      current accrual of $127 million, coupled with accumulated earnings on the
      trust fund assets, would provide approximately the same amount of funds to
      pay estimated decommissioning costs if a 4.5% escalation rate is assumed.
        Decommissioning costs are recorded as portions of depreciation expense
      and accumulated provision for depreciation on the Statements of
      Consolidated Income and the Consolidated Balance Sheets. As of December
      31, 1993, the total decommissioning costs included in the accumulated
      provision for depreciation was approximately $914 million. Illinois law
      requires the Company to establish external trusts, and the ICC has
      approved the Company's funding plan and requires annual contributions of
      current accruals and ratable contributions of past accruals over the
      remaining service lives of the nuclear plants. The book value of funds
      accumulated in the external trusts at December 31, 1993 was approximately
      $707 million. The earnings on the external trusts accumulate in the fund
      balance and in the accumulated provision for depreciation. Such earnings
      on the external trust funds for the years 1993, 1992, and 1991, which have
      been recorded as a component of depreciation expense in the Company's
      Statements of Consolidated Income, were $40,829,000, $32,443,000 and
      $24,231,000, respectively.    

                                      33

<PAGE>
 
       

      Amortization of Nuclear Fuel. The cost of nuclear fuel is amortized to
      fuel expense based on the quantity of heat produced using the unit of
      production method. As authorized by the ICC, provisions for spent
      nuclear fuel disposal costs have been recorded at a level required to
      recover the fee payable on current nuclear-generated and sold
      electricity and the current interest accrual on the one-time fee
      payable to the Department of Energy (DOE) for nuclear generation prior
      to April 7, 1983. The one-time fee and interest thereon have been
      recovered and the current fee and current interest on the one-time fee
      are currently being recovered through the fuel adjustment clause. See
      Note 10 for further information concerning the disposal of spent
      nuclear fuel, the one-time fee and the current interest accrual on the
      one-time fee. Nuclear fuel expenses, including leased fuel costs and
      provisions for spent nuclear fuel disposal costs, for the years 1993,
      1992 and 1991 were $385,894,000, $366,821,000 and $331,913,000,
      respectively.
        In connection with the Energy Policy Act of 1992, investor-owned
      electric utilities that have purchased enrichment services from the
      DOE will be assessed annually for a fifteen-year period amounts to
      fund a portion of the cost for the decontamination and decommissioning
      of three nuclear enrichment facilities previously operated by the DOE.
      The Company's portion of such assessments is estimated to be
      approximately $15 million per year (to be adjusted annually for
      inflation). The Act provides that such assessments are to be treated
      as a cost of fuel. At December 31, 1993, the Company had recorded a
      liability of approximately $177 million in other noncurrent
      liabilities and approximately $29 million in other current
      liabilities. The related asset was recorded in regulatory assets.
      Approximately $15 million and $4 million associated with such
      assessments were amortized to fuel expense in 1993 and 1992,
      respectively, and were reflected in the fuel adjustment clause.
 
      Income Taxes. Deferred income taxes are provided for income and
      expense items recognized for financial accounting purposes in periods
      that differ from those for income tax purposes. Income taxes deferred
      in prior years are charged or credited to income as the book/tax
      timing differences reverse. Prior years' deferred investment tax
      credits are amortized through credits to income generally over the
      lives of the related property. Income tax credits resulting from
      interest charges applicable to nonoperating activities, principally
      construction, are classified as other income.
        For additional information relating to income taxes, including
      information related to the Company's adoption in January 1993 of
      Statement of Financial Accounting Standards (SFAS) No. 109, which
      requires an asset and liability approach to accounting for income
      taxes, see Note 14. In addition, see "Taxes" under the subcaption
      "Results of Operations," in "Management's Discussion and Analysis of
      Financial Condition and Results of Operations."
 
      Allowance for Funds Used During Construction (AFUDC). In accordance
      with uniform systems of accounts prescribed by regulatory authorities,
      the Company capitalizes AFUDC, compounded semiannually, which
      represents the estimated cost of funds used to finance its
      construction program. The equity component of AFUDC is recorded on an
      after-tax basis and the borrowed funds component of AFUDC is recorded
      on a pre-tax basis. The average annual capitalization rates for the
      years 1993, 1992 and 1991 were 10.05%, 10.31% and 11.07%,
      respectively.
 
34
<PAGE>
 
        For additional information regarding AFUDC, see Note 14 and "Other
      Items," under the subcaption "Results of Operations," in "Management's
      Discussion and Analysis of Financial Condition and Results of
      Operations."
 
      Interest. Total interest costs incurred on debt, leases and other
      obligations for the years 1993, 1992 and 1991 were $778,639,000,
      $777,122,000 and $767,860,000, respectively.
 
      Debt Discount, Premium and Expense. Discount, premium and expense on
      long-term debt are being amortized over the lives of the respective
      issues.
 
      Loss on Reacquired Debt. Consistent with regulatory treatment, the net
      loss from reacquisition of first mortgage bonds, debentures and
      pollution control obligations prior to their scheduled maturity date
      is deferred and amortized over the lives of the long-term debt or
      notes issued to finance the reacquisition.
 
      Deferred Recovery of Energy Costs. The uniform fuel adjustment clause
      adopted by the ICC provides for the recovery of changes in fossil and
      nuclear fuel costs and the energy portion of purchased power costs as
      compared to the fuel and purchased energy costs included in base
      rates. As authorized by the ICC, the Company has recorded under or
      overrecoveries of allowable fuel and energy costs which, under the
      clause, are recoverable or refundable in subsequent months. For
      information relating to the annual reconciliation proceedings held by
      the ICC with respect to the Company's fuel and power purchases, see
      Note 3.
 
      Regulatory Assets and Liabilities. Regulatory assets include the
      unamortized portions of certain rate case and consultant costs
      associated with the prudency audits of Byron and Braidwood stations
      which the ICC allowed to be deferred and amortized for ratemaking
      purposes, unamortized deferred depreciation related to Byron Unit 1
      which the ICC allowed to be deferred and amortized over the remaining
      life of the unit, unamortized losses on reacquired debt, unamortized
      deferred carrying charges associated with the Byron and Braidwood
      stations which the ICC allowed to be deferred and amortized for
      ratemaking purposes, a regulatory asset for the Company's unamortized
      balance of a fifteen-year assessment by the DOE for the
      decontamination and decommissioning of certain enrichment facilities
      and a regulatory asset recorded in compliance with SFAS No. 109, which
      the Company adopted in January 1993. A regulatory liability was also
      recorded in compliance with SFAS No. 109.
        For additional information relating to rate case and consultant
      costs and deferred carrying charges, see "Recovery/(Deferral) of
      Regulatory Assets--Net," under the subcaption "Results of Operations,"
      in "Management's Discussion and Analysis of Financial Condition and
      Results of Operations."
 
 
                                                                              35
<PAGE>
 
      Statements of Cash Flows. For purposes of the statements of
      consolidated cash flows, temporary cash investments, generally
      investments maturing in three months or less at the time of purchase,
      are considered to be cash equivalents. Supplemental information
      required by SFAS No. 95 for the years 1993, 1992 and 1991 is as
      follows:
 
<TABLE>
<CAPTION>
       (thousands of dollars)                           1993     1992     1991
       -------------------------------------------  -------- -------- --------
       <S>                                          <C>      <C>      <C>
       Supplemental cash flow information:
        Cash paid during the year for:
         Interest (net of amount capitalized)       $677,669 $652,501 $700,876
         Income taxes                               $103,014 $238,052 $210,714
       Supplemental schedule of non-cash investing
        and
        financing activities:
        Capital lease obligations incurred          $213,758 $193,677 $244,030
      ------------------------------------------------------------------------
</TABLE>
 
- ---------------------------------
 2 Settlements Relating to Certain Rate Matters
 
      On September 24, 1993, the Company's Board of Directors approved two
      proposed settlements which the Company's management had reached with
      parties involved in several of the proceedings and matters relating to
      the level of the Company's rates for electric service. One of the
      proposed settlements (Rate Matters Settlement) concerns the
      proceedings relating to the Company's 1985 and 1991 ICC rate orders
      (which orders relate to, among other things, the recovery of costs
      associated with the Company's four most recently completed nuclear
      generating plants, Byron Units 1 and 2 and Braidwood Units 1 and 2),
      the proceedings relating to the reduction in the difference between
      the Company's summer and non-summer residential rates that was
      effected in the summer of 1988, outstanding issues relating to the
      appropriate interest rate and rate design to be applied to a refund
      made by the Company during 1990 relating to a December 1988 ICC rate
      order, and matters related to a rider to the Company's rates that the
      Company was required to file as a result of the change in the federal
      corporate income tax rate made by the Tax Reform Act of 1986. The
      other proposed settlement (Fuel Matters Settlement) relates to the ICC
      fuel reconciliation proceedings involving the Company for the period
      from 1985 through 1988 and to future challenges by the settling
      parties to the prudency of the Company's western coal costs for the
      period from 1989 through 1992. Each of these settlements was subject
      to appropriate action by the ICC or the courts having jurisdiction
      over the proceedings.
        As a result of subsequent ICC and judicial actions, the Rate Matters
      Settlement became final on November 4, 1993. Under the Rate Matters
      Settlement, effective as of November 4, 1993, the Company reduced its
      rates by approximately $339 million annually and commenced refunding
      approximately $1.26 billion (including revenue taxes), plus interest
      at five percent on the unpaid balance, through temporarily reduced
      rates over an initial refund period scheduled to be twelve months (to
      be followed by a reconciliation period of no more than five months).
      The Company had previously deferred the recognition of revenues during
      1993 as a result of developments in the proceedings related to the
      March 1991 ICC rate order, which resulted in a reduction to 1993 net
      income of approximately $160 million. The recording of the effects of
      the Rate Matters Settlement in October 1993 reduced the Company's 1993
      net income and retained earnings by approximately $292 million or
      $1.37 per common share, in addition to the effect of the deferred
      recognition of revenues and after the partially offsetting effect of
      recording approximately $269 million (or $1.26 per common share) in
      deferred carrying charges, net of income taxes, authorized in the ICC
      rate order issued on January 6, 1993 (as subsequently modified, the
      Remand Order). In January 1994, a purported class action was filed in
      the Circuit Court of Cook County, Illinois (Circuit Court) challenging
      the method in which the refunds are being made to residential
      customers in the Rate Matters Settlement. The Company does not believe
      that the complaint has any merit.
 
36
<PAGE>
 
        In the Remand Order, the rate determination was based upon, among
      other things, findings by the ICC with respect to the extent to which
      Byron Unit 2 and Braidwood Units 1 and 2 (Units) were "used and
      useful" during the 1991 test year period of the rate order. With
      respect to the "used and useful" issue, the ICC applied a needs and
      economic benefits methodology, using a twenty percent reserve margin
      and forecasted peak demand, and found Byron Unit 2 and Braidwood Units
      1 and 2 to be 93%, 21% and 0%, respectively, "used and useful." The
      Company has not recorded any disallowances related to the "used and
      useful" issue. The Company considers the "used and useful"
      disallowance in the Remand Order to be temporary. The ICC concluded in
      the Remand Order that the forecasts in the record in that proceeding
      indicate that Braidwood Units 1 and 2 will be fully "used and useful"
      within the reasonably foreseeable future.
        As a result of subsequent ICC actions, the Fuel Matters Settlement
      became final on November 15, 1993. Under the Fuel Matters Settlement,
      effective as of December 2, 1993, the Company commenced paying
      approximately $108 million (including revenue taxes) to its customers
      through temporarily reduced collections under its fuel adjustment
      clause over a twelve-month period. The Company recorded the effects of
      the Fuel Matters Settlement in October 1993, which effects reduced the
      Company's net income and retained earnings by approximately $62
      million or $0.29 per common share.
        For additional information regarding the proceedings and matters
      settled, see Notes 3, 17 and 19.
 
- -----------
 3 Rate Matters
 
      The Company's revenues, net income, cash flows and plant carrying
      costs have been affected directly by various rate-related proceedings.
      During the periods presented in the financial statements, the Company
      was involved in proceedings concerning its October 1985 ICC rate order
      (which related principally to the recovery of costs associated with
      its Byron Unit 1 nuclear generating unit), proceedings concerning its
      March 1991 ICC rate order (which related principally to the recovery
      of costs associated with the Units), proceedings concerning the
      reduction in the difference between the Company's summer and non-
      summer residential rates that was effected in the summer of 1988, and
      ICC fuel reconciliation proceedings principally concerning the
      recoverability of the costs of the Company's western coal. In
      addition, there were outstanding issues related to the appropriate
      interest rate and rate design to be applied to a refund that was made
      in 1990 following the reversal of a December 1988 ICC rate order and a
      rider to the Company's rates that the Company was required to file as
      a result of the change in the federal corporate income tax rate made
      by the Tax Reform Act of 1986. The uncertainties associated with such
      proceedings and issues, among other things, led to the Rate Matters
      Settlement and the Fuel Matters Settlement. See Note 2 for additional
      information.
        For additional information regarding the foregoing proceedings, see
      Notes 2 and 3 of Notes to Financial Statements in the Company's
      Quarterly Report on Form 10-Q for the quarterly period ended June 30,
      1993.
 
- --------------------------------------
 4 Authorized Shares and Voting Rights of Capital Stock
 
      At December 31, 1993, the authorized shares of capital stock were:
      common stock--250,000,000 shares; preference stock--23,600,290 shares;
      $1.425 convertible preferred stock--286,949 shares; and prior
      preferred stock--850,000 shares. The prior preferred and preference
      stocks are issuable in series and may be issued with or without
      mandatory redemption requirements. Holders of shares at any time
      outstanding, regardless of class, are entitled to one vote for each
      share held on each matter submitted to a vote at a meeting of
      shareholders, with the right to cumulate votes in all elections for
      directors.
 
                                                                              37
<PAGE>
 
- -------------
 5 Common Stock
 
      At December 31, 1993, shares of common stock were reserved for the
      following purposes:
 
<TABLE>
<CAPTION>
       Common stock reserved
       -----------------------------------------------------------
       <S>                                               <C>
       1993 Stock Incentive Plan                         4,000,000
       Employe Stock Purchase Plan                       1,422,368
       Employe Savings and Investment Plan                 565,803
       Conversion of $1.425 convertible preferred stock    292,687
       Conversion of warrants                               42,899
      ------------------------------------------------------------
                                                         6,323,757
      ------------------------------------------------------------
</TABLE>
 
        Shares of common stock for the years 1993, 1992 and 1991 were issued
      as follows:
 
<TABLE>
<CAPTION>
       Common stock issued        1993    1992    1991
       ----------------------  ------- ------- -------
       <S>                     <C>     <C>     <C>
       Employe Stock Purchase
        Plan                   268,594 374,815 228,738
       Employe Savings and
        Investment Plan        153,400 235,900 132,140
       Conversion of $1.425
        convertible preferred
        stock                   22,375  16,221  28,146
       Conversion of warrants    1,374   1,300   2,773
      ------------------------------------------------
                               445,743 628,236 391,797
      ------------------------------------------------
</TABLE>
 
        At December 31, 1993 and 1992, 128,699 and 133,003 common stock
      purchase warrants, respectively, were outstanding. The warrants
      entitle the holders to convert such warrants into common stock at a
      conversion rate of one share of common stock for three warrants.
 
- -------------------------------------------------------
 6 Preferred and Preference Stocks Without Mandatory Redemption Requirements
 
      No shares of preferred or preference stocks without mandatory
      redemption requirements were issued or redeemed by the Company during
      1993, 1992 and 1991. The series of preference stock without mandatory
      redemption requirements outstanding at December 31, 1993 are
      summarized as follows:
 
<TABLE>
<CAPTION>
                                        Aggregate
                                     Stated Value                        Involuntary
                        Shares         (thousands       Redemption       Liquidation
       Series      Outstanding        of dollars)         Price(a)          Price(a)
       ------      -----------       ------------       ----------       -----------
 
       <S>         <C>               <C>                <C>              <C>
       $1.90        4,249,549            $106,239          $ 25.25            $25.00
       $2.00        2,000,000              51,560          $ 26.04            $25.00
       $1.96        2,000,000              52,440          $ 27.11            $25.00
       $7.24          750,000              74,340          $101.00            $99.12
       $8.40          750,000              74,175          $101.00            $98.90
       $8.38          750,000              73,566          $100.16            $98.09
      ------------------------------------------------------------------------------
                   10,499,549            $432,320
      ------------------------------------------------------------------------------
</TABLE>
      (a) Per share plus accrued and unpaid dividends, if any.
 
        The outstanding shares of the $1.425 convertible preferred stock are
      convertible at the option of the holders thereof, at any time, into
      common stock at the rate of 1.02 shares of common stock for each share
      of convertible preferred stock, subject to future adjustment. The
      convertible preferred stock may be redeemed by the Company at $42 per
      share, plus accrued and unpaid dividends, if any. The involuntary
      liquidation price of the $1.425 convertible preferred stock is $31.80
      per share, plus accrued and unpaid dividends, if any. During 1993,
      1992 and 1991, 21,942 shares, 15,911 shares and 27,606 shares,
      respectively, of the convertible preferred stock were converted into
      common stock.
 
38
<PAGE>
 
- ----------------------------------------------
 7 Preference Stock Subject to Mandatory Redemption Requirements
 
      During 1993, 700,000 shares of preference stock subject to mandatory
      redemption requirements were issued. During 1992 and 1991, no shares
      of preference stock subject to mandatory redemption requirements were
      issued. The series of preference stock subject to mandatory redemption
      requirements outstanding at December 31, 1993 are summarized as
      follows:
 
<TABLE>
<CAPTION>
                                    Aggregate
                                       Stated
                                        Value
                                   (thousands
                            Shares         of
       Series          Outstanding   dollars) Optional Redemption Price(a)
       --------------  ----------- ---------- ---------------------------------------
       <S>             <C>         <C>        <C>
       $8.20               321,420   $ 32,142 $103 through October 31, 1997; and $101
                                              thereafter
       $8.40 Series B      418,870     41,605 $101
       $8.85               375,000     37,500 $103 through July 31, 1998; and $101
                                              thereafter
       $9.25               825,000     82,500 $105 through July 31, 1994; $103
                                              through July 31, 1999; and $101
                                              thereafter
       $9.00               650,000     64,431 Non-callable
       $6.875              700,000     69,475 Non-callable
      -------------------------------------------------------------------------------
                         3,290,290   $327,653
      -------------------------------------------------------------------------------
</TABLE>
      (a) Per share plus accrued and unpaid dividends, if any.
     
        The annual sinking fund requirements and sinking fund and
      involuntary liquidation prices per share of the outstanding series of
      preference stock subject to mandatory redemption requirements are
      summarized as follows:
 
<TABLE>
<CAPTION>
                                                           Sinking Fund          Involuntary
       Series              Annual Sinking Fund Requirement     Price(a) Liquidation Price(a)
       --------------  ----------------------------------- ------------ --------------------
       <S>             <C>                                 <C>          <C>
       $8.20            35,715 shares                              $100             $100.00
       $8.40 Series B   30,000 shares(b)                           $100             $ 99.326
       $8.85            37,500 shares                              $100             $100.00
       $9.25            75,000 shares                              $100             $100.00
       $9.00           130,000 shares beginning in 1996(b)         $100             $ 99.125
       $6.875                  (c)                                 $100             $ 99.25
      --------------------------------------------------------------------------------------
</TABLE>
      (a) Per share plus accrued and unpaid dividends, if any.
      (b) The Company has a non-cumulative option to increase the annual
          sinking fund payment on each sinking fund redemption date to
          retire an additional number of shares, not in excess of the
          sinking fund requirement, at the applicable redemption price.
      (c) All shares are required to be redeemed on May 1, 2000.
 
        Annual remaining sinking fund requirements through 1998 on
      preference stock outstanding at December 31, 1993 will aggregate
      $17,709,000 in 1994, $17,822,000 in 1995, $30,822,000 in 1996,
      $30,822,000 in 1997 and $30,822,000 in 1998. During 1993, 1992 and
      1991, 1,835,155 shares, 793,132 shares and 1,093,038 shares,
      respectively, of preference stock subject to mandatory redemption
      requirements were reacquired to meet sinking fund requirements.
        Sinking fund requirements due within one year are included in
      current liabilities.
        On November 1, 1991, the Company redeemed 80,000 shares of its
      $11.125 Series of preference stock at the sinking fund redemption
      price of $100 per share, plus accrued and unpaid dividends and
      redeemed all of the remaining 80,000 shares at the optional redemption
      price of $100 per share, plus accrued and unpaid dividends.
        On November 1, 1992, the Company redeemed 300,000 shares of its
      $2.875 Series of preference stock at the optional redemption price of
      $25 per share and 75,000 shares of its $11.70 Series of preference
      stock at the optional redemption price of $100 per share, plus accrued
      and unpaid dividends.
 
                                                                              39
<PAGE>
 
        On June 28, 1993, the Company redeemed all 170,810 shares of its
      $2.875 Series of preference stock and all 1,050,000 shares of its
      $2.375 Series of preference stock, both at the optional redemption
      price of $25.25 per share, plus accrued and unpaid dividends.
        On November 1, 1993, the Company redeemed the remaining 75,000
      shares of its $11.70 Series of preference stock (150,000 shares had
      been redeemed on August 1, 1993 at the optional redemption price of
      $105 per share, plus accrued and unpaid dividends). Of the remaining
      75,000 shares, 37,500 shares were redeemed to meet the November 1,
      1993 mandatory sinking fund requirement and 37,500 shares were
      redeemed as a permitted optional sinking fund payment, both at the
      sinking fund redemption price of $100 per share, plus accrued and
      unpaid dividends.
        On November 1, 1993, the Company redeemed all 210,000 shares of its
      $9.30 Series of preference stock, of which 70,000 shares were redeemed
      at the optional redemption price of $101.03 per share, plus accrued
      and unpaid dividends, 70,000 shares were redeemed to meet the November
      1, 1993 mandatory sinking fund requirement and 70,000 shares were
      redeemed as a permitted optional sinking fund payment, the latter two
      at the sinking fund redemption price of $100 per share, plus accrued
      and unpaid dividends.
 
- -------------
 8 Long-Term Debt
 
      Sinking fund requirements and scheduled maturities remaining through
      1998 for first mortgage bonds, debentures and other long-term debt
      outstanding at December 31, 1993, after deducting debentures and first
      mortgage bonds reacquired for satisfaction of future sinking fund
      requirements, are summarized as follows: 1994 -- $446,724,000; 1995 --
      $496,027,000; 1996 -- $233,449,000; 1997 -- $395,038,000; and 1998 --
      $350,027,000.
        At December 31, 1993, the Company had outstanding first mortgage
      bonds maturing 1994 through 1998 as follows:
 
<TABLE>
<CAPTION>
                                          Principal Amount
       Series                       (thousands of dollars)
       ---------------------------  ----------------------
       <S>                          <C>
       6 1/8% due May 15, 1995                    $103,000
       5 1/4% due April 1, 1996                     50,000
       5 3/4% due November 1, 1996                  50,000
       5 3/4% due December 1, 1996                  50,000
       7% due February 1, 1997                     150,000
       5 3/8% due April 1, 1997                     50,000
       6 1/4% due October 1, 1997                   60,000
       6 1/4% due February 1, 1998                  50,000
       6% due March 15, 1998                       130,000
       6 3/4% due July 1, 1998                      50,000
       6 3/8% due October 1, 1998                   75,000
      ----------------------------------------------------
                                                  $818,000
      ----------------------------------------------------
</TABLE>
 
40
<PAGE>
 
 
        Other long-term debt outstanding at December 31, 1993 is summarized
      as follows:
 
<TABLE>
<CAPTION>
                                               Principal Amount
       Debt Security                     (thousands of dollars) Interest Rate Provisions
       --------------------------------  ---------------------- ---------------------------------------------
       <S>                               <C>                    <C>
       Notes
        Medium Term Notes, Series 1N                 $   82,500 Interest rates ranging from 9.27% to
         due various dates through                               10.48%
         April 1, 1998
        Medium Term Notes, Series 2N                     56,300 Interest rates ranging from 9.57% to
         due various dates through                               9.874%
         July 1, 1996
        Medium Term Notes, Series 3N                    399,000 Interest rates ranging from 8.77% to
         due various dates through                               9.20%
         October 15, 2004
        Medium Term Notes, Series 4N                    195,000 Interest rates ranging from 7.90% to
         due various dates through                               8.875%
         May 15, 1997
        Notes due April 15, 1994                        180,000 Fixed interest rate of 5.75%
        Notes due July 15, 1995                         100,000 Fixed interest rate of 5.50%
        Notes due July 15, 1997                         100,000 Fixed interest rate of 6.50%
        Notes due October 15, 2005                      235,000 Fixed interest rate of 6.40%
      -------------------------------------------------------------------------------------------------------
                                                     $1,347,800
      -------------------------------------------------------------------------------------------------------
       Long-Term Notes Payable to Banks
        Note due January 9, 1995                     $  100,000 Prevailing interest rate of 4.00% at
                                                                 December 31, 1993
        Notes due July 31, 1995                         150,000 Prevailing interest rates averaging 3.875% at
                                                                 December 31, 1993
      -------------------------------------------------------------------------------------------------------
                                                     $  250,000
      -------------------------------------------------------------------------------------------------------
       Purchase Contract Obligations
        Woodstock due January 2, 1997                $      273 Fixed interest rate of 4.50%
        Hinsdale due April 30, 2005                         552 Fixed interest rate of 3.00%
      -------------------------------------------------------------------------------------------------------
                                                     $      825
      -------------------------------------------------------------------------------------------------------
                                                     $1,598,625
      -------------------------------------------------------------------------------------------------------
</TABLE>
 
        Long-term debt maturing within one year has been included in current
      liabilities.
        The Company's outstanding first mortgage bonds are secured by a lien
      on substantially all property and franchises, other than expressly
      excepted property, owned by the Company.
 
- ------------
 9 Lines of Credit
 
      The Company had total bank lines of credit of approximately $981
      million and unused bank lines of credit of approximately $975 million
      at December 31, 1993. Of that amount, $975 million (of which $175
      million expires October 3, 1994, $40 million expires in equal
      quarterly installments commencing on December 31, 1994 and ending on
      September 30, 1996, $188 million expires in equal quarterly
      installments commencing on December 31, 1995 and ending on September
      30, 1997 and $572 million expires in equal quarterly installments
      commencing on December 31, 1996 and ending on September 30, 1998) may
      be borrowed on secured or unsecured notes of the Company at various
      interest rates. The interest rate is set at the time of a borrowing
      and is based on several floating rate bank indices plus a spread which
      is dependent upon the Company's credit ratings, or on a prime interest
      rate. Amounts under the remaining lines of credit may be borrowed at
      prevailing prime interest rates on
 
                                                                              41
<PAGE>
 
      unsecured notes of the Company. Collateral, if required for the
      borrowings, would consist of first mortgage bonds issued under and in
      accordance with the provisions of the Company's mortgage. The Company
      is obligated to pay commitment fees with respect to $975 million of
      such lines of credit.
 
- -----------------------
 10 Disposal of Spent Nuclear Fuel
 
      Under the Nuclear Waste Policy Act of 1982, the DOE is responsible for
      the selection and development of repositories for, and the disposal
      of, spent nuclear fuel and high-level radioactive waste. The Company,
      as required by that Act, has signed a contract with the DOE to provide
      for the disposal of spent nuclear fuel and high-level radioactive
      waste from the Company's nuclear generating stations beginning not
      later than January 1998. The contract with the DOE requires the
      Company to pay the DOE a one-time fee applicable to nuclear generation
      through April 6, 1983 of approximately $277 million, with interest to
      date of payment, and a fee payable quarterly equal to one mill per
      kilowatthour of nuclear-generated and sold electricity after April 6,
      1983. The Company has elected to pay the one-time fee, with interest,
      just prior to the first scheduled delivery of spent nuclear fuel to
      the DOE, which is scheduled to occur not later than January 1998;
      however, this delivery schedule is expected to be delayed
      significantly. The Company has recorded the liability for the one-time
      fee and the related interest.
 
- ---------------------------
 11 Fair Value of Financial Instruments
 
      The following methods and assumptions were used to estimate the fair
      value of financial instruments held by or issued and outstanding by
      the companies. The disclosure of such information does not purport to
      be a market valuation of the Company as a whole. The impact of any
      realized or unrealized gains or losses related to such financial
      instruments on the Company's financial position or results of
      operations is dependent on the treatment authorized under future
      ratemaking proceedings.
 
      Investments. The estimated fair value of the Nuclear Decommissioning
      Funds, as determined by the trustee for those funds, is based on
      published market data. Financial instruments included in Other
      Investments at a cost of approximately $4 million at December 31, 1993
      and 1992, are not material in relation to other financial instruments
      of the Company; therefore, an estimate of the fair value of these
      instruments has not been made.
 
      Current Assets. The carrying value of Cash, Temporary Cash Investments
      and Other Cash Investments, which includes U.S. Government Obligations
      and other short-term marketable securities, and Special Deposits,
      which primarily includes cash deposited for the redemption, refund or
      discharge of debt securities, approximates their fair value because of
      the short maturity of these instruments.
 
      Capitalization. The estimated fair value of Preferred and Preference
      Stocks (Without and Subject to Mandatory Redemption Requirements) and
      Long-Term Debt, including the current portion thereof, has been
      obtained from an independent consultant. Estimated fair values exclude
      accrued interest and preferred and preference dividends. Purchase
      contract obligations included in Long-Term Debt at a cost of
      approximately $1 million at December 31, 1993 and 1992, are not
      material in relation to other financial instruments of the Company;
      therefore, an estimate of the fair value of these instruments has not
      been made. Long-Term Notes Payable to Banks in the amount of $250
      million at December 31, 1993 and 1992, for which interest is paid at
      prevailing rates are included in the financial statements at cost,
      which approximates their fair value.
 
42
<PAGE>
 
 
      Current Liabilities. The carrying value of Notes Payable, which
      consists of commercial paper and/or bank loans having a maturity of
      less than one year, approximates their fair value because of the short
      maturity of these instruments. See "Capitalization" above for a
      discussion of the fair value of the current portion of long-term debt
      and redeemable preference stock.
 
      Other Noncurrent Liabilities. The carrying value of Accrued Spent
      Nuclear Fuel Disposal Fee and Related Interest represents the
      settlement value as of December 31, 1993 and 1992; therefore, the
      carrying value is equal to the fair value.
 
        The estimated fair values of the Company's financial instruments
      other than those instruments reflected in the financial statements at
      cost which approximates market, as of December 31, 1993 and 1992, are
      as follows:
 
<TABLE>
<CAPTION>
       (thousands of dollars)       December 31, 1993     December 31, 1992
       -------------------------  --------------------- ---------------------
                                    Carrying       Fair   Carrying       Fair
                                      Amount      Value     Amount      Value
                                  ---------- ---------- ---------- ----------
       <S>                        <C>        <C>        <C>        <C>
       Nuclear Decommissioning
        Funds                     $  706,841 $  768,823 $  533,463 $  564,476
       Capitalization (including
        current portion):
        Preferred and Preference
         Stocks (without and
         subject to mandatory
         redemption
         requirements)            $  769,098 $  776,113 $  790,584 $  828,913
        Long-Term Debt            $7,819,785 $8,158,975 $7,770,248 $8,025,191
      -----------------------------------------------------------------------
</TABLE>
 
- --------------
 12 Pension Benefits
 
      The companies have non-contributory defined benefit pension plans
      which cover all regular employes. Benefits under these plans reflect
      each employe's compensation, years of service and age at retirement.
      Funding is based upon actuarially determined contributions that take
      into account the amount deductible for income tax purposes and the
      minimum contribution required under the Employee Retirement Income
      Security Act of 1974, as amended. Actuarial valuations were determined
      as of January 1, 1993 and 1992.
        During 1992, the companies implemented a workforce reduction program
      designed to reduce the management workforce. This program included an
      early retirement program and voluntary and involuntary separation
      plans. The early retirement program resulted in the recognition for
      the year 1992 of an additional $26 million of pension cost and the
      disclosure of an additional $39 million of unrecognized net loss at
      December 31, 1992 as reflected in the following table. The companies
      also recognized in 1992 a charge to expense of $11 million primarily
      related to the cost of the separation plans. The total charge to
      income of $37 million in 1992 is approximately $23 million after
      reflecting income tax effects.
 
                                                                              43
<PAGE>
 
        The funded status of these plans at December 31, 1993 and 1992 was
      as follows:
 
<TABLE>
<CAPTION>
       (thousands of dollars)           December 31,         1993         1992
       ---------------------------------------------  -----------  -----------
       <S>                                            <C>          <C>
       Actuarial present value of accumulated
        pension plan benefits:
        Vested benefit obligation                     $(2,350,000) $(2,232,000)
        Nonvested benefit obligation                     (118,000)    (112,000)
      -------------------------------------------------------------------------
        Accumulated benefit obligation                $(2,468,000) $(2,344,000)
        Effect of projected future compensation
         levels                                          (477,000)    (454,000)
      -------------------------------------------------------------------------
        Projected benefit obligation                  $(2,945,000) $(2,798,000)
       Fair value of plan assets, invested primarily
        in equity index funds, other managed equity
        and fixed income investments, U.S.
        Government, government-sponsored corporation
        and agency securities and listed corporate
        obligations                                     2,741,000    2,577,000
      -------------------------------------------------------------------------
       Plan assets less than projected benefit
        obligation                                    $  (204,000) $  (221,000)
       Unrecognized prior service cost                     24,000       25,000
       Unrecognized transition asset                     (168,000)    (181,000)
       Unrecognized net loss                              131,000      211,000
      -------------------------------------------------------------------------
         Accrued pension liability                    $  (217,000) $  (166,000)
      -------------------------------------------------------------------------
</TABLE>
 
        The assumed discount rate was 7.5% and the assumed annual rate of
      increase in future compensation levels was 4.0% at December 31, 1993
      and 1992. These rates were used in determining the projected benefit
      obligations, the accumulated benefit obligations and the vested
      benefit obligations.
        Pension costs were determined under the rules prescribed by SFAS No.
      87, including the use of the projected unit credit actuarial cost
      method and the following actuarial assumptions for periods during
      1993, 1992 and 1991:
 
<TABLE>
<CAPTION>
                                                               1993  1992  1991
       -----------------------------------------------------  ----- ----- -----
       <S>                                                    <C>   <C>   <C>
       Annual discount rate                                   7.50% 7.50% 8.50%
       Annual rate of increase in future compensation levels  4.00% 4.00% 5.00%
       Annual long-term rate of return on plan assets         9.50% 9.50% 9.50%
      -------------------------------------------------------------------------
</TABLE>
 
        The components of pension costs, portions of which were recorded as
      components of construction costs, for the years 1993, 1992 and 1991
      were as follows:
 
<TABLE>
<CAPTION>
       (thousands of dollars)                   1993       1992       1991
       ----------------------------------  ---------  ---------  ---------
       <S>                                 <C>        <C>        <C>
       Service cost                        $  96,000  $  98,000  $  81,000
       Interest cost on projected benefit
        obligation                           204,000    189,000    174,000
       Actual return on plan assets         (310,000)  (179,000)  (495,000)
       Early retirement program cost              --     26,000         --
       Net amortization and deferral          61,000    (67,000)   286,000
      ---------------------------------------------------------------------
                                           $  51,000  $  67,000  $  46,000
      ---------------------------------------------------------------------
</TABLE>
 
        In addition, the companies provide an employe savings and investment
      plan available to all regular employes who have completed three months
      of service. Each participating employe may contribute up to 20% of
      such employe's base pay and the companies match such contribution
      equal to 70% of up to the first 5% of contributed base salary. During
      1993, 1992 and 1991, the Company contributed $21,948,000, $20,023,000
      and $14,643,000, respectively.
 
44
<PAGE>
 
 
- ----------------------------
 13 Postretirement Health Care Benefits
 
      The companies provide certain postretirement health care benefits for
      retirees and their dependents and for the surviving dependents of
      eligible employes and retirees. Substantially all of the companies'
      employes become eligible for postretirement health care benefits when
      they reach retirement age while working for the companies. In 1980,
      the companies began funding the liability for postretirement health
      care benefits through a trust fund, and the estimated cost of
      postretirement health care benefits has been accrued and funded over
      the working lives of the employes. Funding is based upon actuarially
      determined contributions that take into account the amount deductible
      for income tax purposes.
        For the years 1980 through 1992, the liability for postretirement
      health care benefits and the related provisions for postretirement
      health care were equivalent to actuarial normal costs attributed over
      participants' employment periods from date of hire to the expected
      retirement date based on the aggregate cost method. On January 1,
      1993, the companies adopted SFAS No. 106, Employers' Accounting for
      Postretirement Benefits Other Than Pensions, which requires that
      postretirement benefits be determined based on the projected unit
      credit actuarial cost method and attributed over employment periods of
      plan participants to the date of eligibility for postretirement
      benefits rather than over the entire employment period. By adopting
      the new standard, the companies estimate that for the year ended
      December 31, 1993, postretirement costs increased $20 million
      resulting in a decrease in net income of $10 million or $0.05 per
      common share, net of income taxes and the portion of the costs charged
      to construction. The transition obligation of $588 million shown in
      the following schedule is being amortized over 20.6 years. The
      ultimate effects on income are dependent on the treatment authorized
      in future ratemaking proceedings. As indicated in the previous
      paragraph, the companies have accounted for postretirement health care
      benefits on an accrual basis since 1980 and accrual basis costs have
      been reflected in rates in ratemaking proceedings.
        Actuarial valuations were determined as of January 1, 1993. The
      funded status of the plan at January 1, 1993 and December 31, 1993 was
      as follows:
 
<TABLE>
<CAPTION>
       (thousands of dollars)               January 1, 1993  December 31, 1993
       -----------------------------------  ---------------  -----------------
       <S>                                  <C>              <C>
       Actuarial present value of
        accumulated postretirement health
        care obligation:
        Retirees                                $  (407,000)       $  (444,000)
        Active fully eligible participants          (60,000)           (65,000)
        Other participants                         (538,000)          (586,000)
      -------------------------------------------------------------------------
        Accumulated benefit obligation          $(1,005,000)       $(1,095,000)
       Fair value of plan assets, invested
        primarily in S&P 500 common
        stocks, equity and fixed income
        mutual funds, and U.S. Government
        and listed corporate obligations            365,000            458,000
      -------------------------------------------------------------------------
       Plan assets less than accumulated
        postretirement health care
        obligation                              $  (640,000)       $  (637,000)
       Unrecognized transition obligation           588,000            559,000
       Unrecognized net gain                             --             (9,000)
      -------------------------------------------------------------------------
       Accrued liability for
        postretirement health care              $   (52,000)       $   (87,000)
      -------------------------------------------------------------------------
</TABLE>
 
        For 1993, different health care cost trends are used for pre-
      Medicare and post-Medicare expenses. Pre-Medicare trend rates are
      14.5% for 1993 grading down in 0.5% annual increments to 5%. Post-
      Medicare trend rates are 12% for 1993 grading down in 0.5% annual
      increments to 5%. The effect of a 1% increase in the assumed health
      care cost trend rates for each future year would increase the
 
                                                                              45
<PAGE>
 
      accumulated postretirement health care obligation at January 1, 1993
      by approximately $184 million and increase the aggregate of the
      service and interest cost components of plan costs by approximately
      $27 million for the year ended December 31, 1993. The annual discount
      rate used was 7.5% and the annual long-term rate of return on plan
      assets was 9.5%, or 9.1% after including income tax effects.
        The components of postretirement health care costs, portions of
      which were recorded as components of construction costs, for 1993 were
      as follows:
 
<TABLE>
<CAPTION>
       (thousands of dollars)                               1993
       -----------------------------------------------  --------
       <S>                                              <C>
       Service cost                                     $ 45,000
       Interest cost on accumulated benefit obligation    74,000
       Actual return on plan assets                      (42,000)
       Amortization of transition obligation              29,000
       Other net deferral                                 10,000
      -----------------------------------------------------------
                                                        $116,000
      -----------------------------------------------------------
</TABLE>
 
- ------------
 14 Income Taxes
 
      The components of the net deferred income tax liability at January 1,
      1993 and December 31, 1993 are as follows:
<TABLE>
<CAPTION>
                                                      January 1,  December 31,
       (thousands of dollars)                               1993          1993
       ---------------------------------------------  ----------  ------------
       <S>                                            <C>         <C>
       Deferred tax liabilities:
        Accelerated cost recovery and liberalized
         depreciation, net of removal costs           $2,831,103    $3,095,855
        Overheads capitalized                            145,951       286,287
        Repair allowance                                 231,647       210,302
        Regulatory assets recoverable through future
         rates                                         1,545,643     1,729,890
       Deferred tax assets:
        Postretirement benefits                         (101,086)     (134,590)
        Unbilled revenues                                (91,410)      (98,164)
        Loss carryforward                                     --      (175,197)
        Alternative minimum tax                         (111,961)     (137,328)
        Unamortized investment tax credits to be
         settled through future rates                   (487,184)     (490,047)
        Other regulatory liabilities to be settled
         through future rates                            (89,490)     (102,383)
        Other--net                                       (51,753)      (80,751)
      -------------------------------------------------------------------------
       Net deferred income tax liability              $3,821,460    $4,103,874
      -------------------------------------------------------------------------
</TABLE>
 
      The $282 million increase in the net deferred income tax liability
      from January 1, 1993 to December 31, 1993 is comprised of $114 million
      deferred income tax expense and a $168 million increase in regulatory
      assets net of regulatory liabilities pertaining to income taxes for
      the period.
        For the $282 million increase in the net deferred income tax
      liability from January 1, 1993 to December 31, 1993, approximately
      $185 million resulted from an increase in the federal statutory
      corporate income tax rate from 34% to 35% effective January 1, 1993,
      and from the elimination of a scheduled reduction in a component of
      the statutory Illinois income tax rate which was to have declined to
      4.4% from 4.8%, effective July 1, 1993. The $185 million net increase
      resulted from recording an increase to regulatory assets of
      approximately $224 million and an increase to regulatory liabilities
      of approximately $39 million. See "Taxes" and "Regulatory Assets"
      under the subcaption "Results of Operations," in "Management's
      Discussion and Analysis of Financial Condition and Results of
      Operations."
 
46
<PAGE>
 
        The components of net income tax expense charged to continuing
      operations are as follows:
 
<TABLE>
<CAPTION>
       (thousands of dollars)                      1993      1992      1991
       --------------------------------------  --------  --------  --------
       <S>                                     <C>       <C>       <C>
       Electric operating income:
         Current income taxes                  $(27,553) $161,388  $289,437
         Deferred income taxes                  122,804   142,895   162,037
         Investment tax credits deferred--net   (29,424)  (32,506)  (32,054)
       Other (income) and deductions            (30,753)   (6,214)  (65,274)
      ----------------------------------------------------------------------
       Net income taxes charged to continuing
        operations                             $ 35,074  $265,563  $354,146
      ----------------------------------------------------------------------
</TABLE>
 
        Provisions for current and deferred federal and state income taxes
      and amortization of investment tax credits resulted in the following
      effective income tax rates for the years 1993, 1992 and 1991:
 
<TABLE>
<CAPTION>
                                               1993      1992      1991
       ----------------------------------  --------  --------  --------
       <S>                                 <C>       <C>       <C>
       Pre-tax book income (in thousands)  $137,776  $779,544  $449,033
       Effective income tax rate               25.5%     34.1%     78.9%
      ------------------------------------------------------------------
</TABLE>
 
        The principal differences between these rates and the federal
      statutory corporate income tax rate of 35% for 1993 and 34% for 1992
      and 1991 were as follows:
 
<TABLE>
<CAPTION>
                                                           1993  1992  1991
       -------------------------------------------------  -----  ----  ----
       <S>                                                <C>    <C>   <C>
       Federal statutory corporate income tax rate         35.0% 34.0% 34.0%
       Equity component of AFUDC which was excluded from
        taxable income                                     (5.2) (0.9) (1.4)
       Amortization of investment tax credits             (21.4) (3.4) (7.2)
       State income tax, net of federal income tax          9.5   5.6  11.7
       Disallowed plant costs                                --    --  34.3
       Differences between book and tax accounting
        primarily for property related deductions           1.5    --   5.5
       Other--net                                           6.1  (1.2)  2.0
      ----------------------------------------------------------------------
         Effective income tax rate                         25.5% 34.1% 78.9%
      ----------------------------------------------------------------------
</TABLE>
 
        The Company has recorded current federal income tax liabilities that
      include excess amounts of alternative minimum tax (AMT) over the
      regular federal income tax, which amounts were also recorded as
      decreases to deferred federal income taxes. As shown in the first
      table, the cumulative excess amounts of AMT so recorded in the amount
      of approximately $137 million as of December 31, 1993 can be carried
      forward indefinitely as a credit against future years' regular federal
      income tax liabilities. In 1993, the Company recorded a loss for
      income tax purposes which may be carried forward through 2008. It is
      currently expected that the income tax effect of the loss carryforward
      in the amount of $175 million, as shown in the first table, will be
      utilized by the expiration date.
        The Company adopted SFAS No. 109, effective January 1, 1993. SFAS
      No. 109 requires an asset and liability approach to accounting for
      income taxes which replaces the deferred method formerly used. Under
      the asset and liability approach, the deferred income tax liability
      represents the income tax effect of temporary differences between
      financial accounting and income tax bases of assets and liabilities
      and is determined at the presently enacted income tax rates. The SFAS
      No. 109 adjustments to the Company's deferred income tax liability
      related to utility operations represents income taxes recoverable or
      returnable through future rates and have been recorded as regulatory
      assets and regulatory liabilities on the balance sheet. The cumulative
      effect of the change in the method of accounting for income taxes
      resulted in an increase to net income of $9.7 million or $0.05 per
      common share, due primarily to the reduction of deferred income taxes
      on nonregulated activities (primarily nonconsolidated subsidiaries)
      accrued in prior years at income tax rates in excess of the presently
      enacted income tax rates. The effect
 
                                                                              47
<PAGE>
 
      of the implementation entry on regulated activities was to record
      regulatory assets of $1,546 million primarily related to the equity
      component of AFUDC which was previously recorded on an after-tax
      basis, the borrowed funds component of AFUDC which was previously
      recorded net of tax and other temporary differences for which the
      related tax effects were not previously recorded; regulatory
      liabilities of $577 million primarily related to recognition of the
      deferred income tax effects of unamortized investment tax credits and
      to the changes in prior years' income tax rates; and a net increase to
      the deferred income tax liability of $969 million.
        For comparability purposes in presentation, Deferred Income Taxes
      shown on the Consolidated Balance Sheets as of December 31, 1992 were
      reclassified from a valuation reserve deducted from Utility Plant to
      Current Assets and to Deferred Credits and Other Noncurrent
      Liabilities, consistent with the presentation as of December 31, 1993
      required by the new accounting standard.
 
- ---------------------
 15 Taxes, Except Income Taxes
 
      Provisions for taxes, except income taxes, for the years 1993, 1992
      and 1991 were as follows:
 
<TABLE>
<CAPTION>
       (thousands of dollars)                1993     1992     1991
       --------------------------------  -------- -------- --------
       <S>                               <C>      <C>      <C>
       Illinois public utility revenue   $199,498 $204,004 $218,137
       Illinois invested capital          111,126  107,207  111,872
       Municipal utility gross receipts   107,232  129,250  128,302
       Real estate                        162,560  162,151  148,356
       Municipal compensation              56,878   73,323   74,218
       Other--net                          64,619   67,974   61,685
      -------------------------------------------------------------
                                         $701,913 $743,909 $742,570
      -------------------------------------------------------------
</TABLE>
 
- ---------------
 16 Lease Obligations
 
      On November 23, 1993, the Company consolidated its nuclear fuel lease
      arrangements into a new arrangement. Under the new arrangement, the
      Company may sell and lease back nuclear fuel from a lessor who may
      borrow an aggregate of $700 million (consisting of $300 million of
      commercial paper or bank borrowings and $400 million of intermediate
      term notes) to finance the transactions. The commercial paper/bank
      borrowing portion currently will expire on November 23, 1996, but the
      Company plans to ask for an extension of the expiration date. At
      December 31, 1993, the Company's obligation to the lessor for leased
      nuclear fuel amounted to $516 million. The Company has agreed to make
      lease payments which cover the amortization of the nuclear fuel used
      in the Company's reactors plus the lessor's related financing costs.
      The Company has an obligation for spent nuclear fuel disposal costs of
      leased nuclear fuel.
        Future minimum rental payments, net of executory costs, at December
      31, 1993 for capital leases, are estimated to aggregate $574 million,
      including $224 million in 1994, $146 million in 1995, $97 million in
      1996, $61 million in 1997, $31 million in 1998 and $15 million in
      1999-2000. The estimated interest component of such rental payments
      aggregates $53 million. The estimated portions of obligations due
      within one year under capital leases are included in current
      liabilities and approximated $166 million and $178 million at December
      31, 1993 and 1992, respectively.
        The Company has entered into an operating lease for new aluminum
      coalporter rail cars. The lease covers only the cost of the rail cars,
      thereby not including any operating, maintenance or other related
      costs. Future minimum rental payments at December 31, 1993 for this
      operating lease are estimated to aggregate $108 million, including $2
      million in 1994, $5 million in 1995, $5 million in 1996, $5 million in
      1997, $5 million in 1998 and $86 million in 1999-2013.
 
 
48
<PAGE>
 
- --------------------------------------
 17 Investments in Uranium- and Coal-Related Properties
 
      At December 31, 1993, the Company and its subsidiaries had investments
      of approximately $134 million in uranium-related properties, equipment
      and activities and approximately $517 million in coal reserves.
      Production of uranium from all of the uranium properties has been
      deferred due to depressed market prices for uranium. The Company
      currently expects ultimately to recover the cost of the uranium
      properties in all material respects in relation to the Company's
      financial position and its results of operations, but doing so depends
      on substantially improved market conditions. However, the Company
      continues to evaluate its ability ultimately to recover the cost of
      its uranium properties. In prior years, the Company's commitments for
      the purchase of coal under long-term contracts exceeded its
      requirements. Rather than take all the coal it was required to take,
      the Company agreed to purchase the coal in place in the form of coal
      reserves. The Company has been allowed to recover from its customers
      the costs of the coal reserves through its fuel adjustment clause as
      the coal is used for the generation of electricity. However, the
      Company is not earning a return on the expenditures for coal reserves
      prior to the coal reserves being used for the generation of
      electricity by including the coal reserves in rate base. See
      "Management's Discussion and Analysis of Financial Condition and
      Results of Operations," subcaptions "Liquidity and Capital Resources"
      and "Results of Operations," for information concerning coal
      commitments and the Company's fuel supply, respectively. See Note 19
      for additional information concerning the Company's coal commitments.
        During 1989 and 1991, actions were brought in federal and state
      courts in Colorado against the Company and its subsidiary, Cotter
      Corporation (Cotter), alleging that Cotter has permitted radioactive
      and other hazardous material to be released from its mill into areas
      owned or occupied by the plaintiffs resulting in property damage and
      potential adverse health effects. The plaintiffs seek from Cotter and
      the Company unspecified compensatory, exemplary and medical monitoring
      fund damages, unspecified response costs under the Comprehensive
      Environmental Response, Compensation and Liability Act of 1980, and
      temporary and permanent injunctive relief. Although the cases will
      necessarily involve the resolution of numerous contested issues of
      fact and law, the Company's determination is that these actions will
      not have a material adverse impact on the Company's financial
      statements.
 
- ------------------
 18 Joint Plant Ownership
 
      The Company has a 75% undivided ownership interest in the Quad-Cities
      nuclear generating station. Further, the Company is responsible for
      75% of all costs which are charged to appropriate investment,
      operation or maintenance accounts and provides its own financing. At
      December 31, 1993, for its share of ownership in the station, the
      Company had an investment of $533 million in production and
      transmission plant in service (before reduction of $159 million for
      the related accumulated provision for depreciation) and $53 million in
      construction work in progress.
 
- -------------------------------------------------
 19 Commitments, Contingent Liabilities and the Construction Program
 
      Purchase commitments, principally related to construction and nuclear
      fuel, approximated $1,187 million at December 31, 1993. In addition,
      the Company has substantial commitments for the purchase of coal under
      long-term contracts. The Company's coal costs are high compared to
      those of other utilities. The Company's western coal contracts and its
      rail contracts for delivery of the western coal were renegotiated
      during 1992 effective as of January 1, 1993, to provide, among other
      things, for significant reductions in the delivered price of the coal
      over the duration of the contracts. However, the
 
                                                                              49
<PAGE>
 
      renegotiated contracts provide for the purchase of certain coal at
      prices substantially above currently prevailing market prices and the
      Company has significant purchase commitments under its contracts. See
      "Management's Discussion and Analysis of Financial Condition and
      Results of Operations," subcaption "Liquidity and Capital Resources,"
      for additional information regarding the Company's purchase
      commitments.
        The Company is a member of Nuclear Mutual Limited (NML), established
      to provide insurance coverage against property damage to members'
      nuclear generating facilities. The members are subject to a
      retrospective premium adjustment in the event losses exceed
      accumulated reserve funds. Capital has been accumulated in the reserve
      funds of NML to the extent that the Company would have no exposure in
      the event of a single incident. However, the Company could be subject
      to a maximum assessment of approximately $70 million in any policy
      year, in the event losses exceed accumulated reserve funds.
         
        If the Company had terminated its insurance coverages with NML
      as of December 31, 1993, it would have a contingent right to receive
      approximately $120 million, payable over a twenty-year period
      commencing in 1996. Any unpaid amounts, however, are subject to
      forfeiture in the event that NML's aggregate losses in any 
      subsequent two year period exceed $300 million or fifty percent
      of its surplus. If any such asset were to be recorded, the Company
      expects that a corresponding regulatory liability would also be
      recorded.    
        The Company also is a member of Nuclear Electric Insurance Limited
      (NEIL), which provides insurance coverage against the cost of
      replacement power obtained during certain prolonged accidental outages
      of nuclear generating units and coverage for property losses in excess
      of $500 million occurring at nuclear stations. All companies insured
      with NEIL are subject to retrospective premium adjustments if losses
      exceed accumulated reserve funds. Capital has been accumulated in the
      reserve funds of NEIL to the extent that the Company would have no
      exposure in the event of a single incident under the replacement power
      coverage and the property damage coverage. However, the Company could
      be subject to maximum assessments, in any policy year, of
      approximately $27 million and $87 million in the event losses exceed
      accumulated reserve funds under the replacement power and property
      damage coverages, respectively.
        The NRC's indemnity for public liability coverage under the Price-
      Anderson Act is supported by a mandatory industry-wide program under
      which owners of nuclear generating facilities could be assessed in the
      event of nuclear incidents. Based on the number of nuclear reactors
      with operating licenses, the Company would currently be subject to a
      maximum assessment of $991 million in the event of an incident,
      limited to a maximum of $125 million in any calendar year. The current
      maximum assessment was effective August 20, 1993 and represents an
      increase of $164 million over the previous maximum assessment of $827
      million. The Act requires that the assessment program be adjusted for
      inflation every five years, and 1993 was an adjustment year.
        In addition, the Company participates in the American Nuclear
      Insurers and Mutual Atomic Energy Liability Underwriters Master Worker
      Program which provides coverage for worker tort claims filed for
      bodily injury caused by the nuclear energy hazard. The coverage
      applies to workers whose "nuclear related employment" began after
      January 1, 1988. The Company would currently be subject to a maximum
      assessment of approximately $37 million in the event losses exceed
      accumulated reserve funds.
        See "Management's Discussion and Analysis of Financial Condition and
      Results of Operations," subcaption "Liquidity and Capital Resources,"
      for information relating to the Company's construction program and
      rates and financial condition.
        Shareholder derivative lawsuits were filed on October 1, 1992 and on
      April 14, 1993 in the Circuit Court against current and former
      directors of the Company alleging that they breached their fiduciary
      duty and duty of care to the Company in connection with the management
      of the activities associated with the construction of the Company's
      four most recently completed nuclear generating units. The lawsuits
      sought restitution to the Company by the defendants for unquantified
      and undefined losses and costs alleged to have been incurred by the
      Company. Both lawsuits were dismissed by the Circuit Court; however,
      appeals are pending before the Illinois Appellate Court.
 
50
<PAGE>
 
        The Company is involved in administrative and legal proceedings
      concerning air quality, water quality and other matters. The outcome
      of these proceedings may require increases in the Company's future
      construction expenditures and operating expenses. The Company and its
      subsidiaries are or are likely to become parties to proceedings
      initiated by the United States Environmental Protection Agency, state
      agencies and/or other responsible parties under the Comprehensive
      Environmental Response, Compensation and Liability Act of 1980
      (CERCLA) with respect to a number of sites, including manufactured gas
      plant (MGP) sites, or may voluntarily undertake to investigate and
      remediate sites for which they may be liable under CERCLA. While there
      is a possibility that in the aggregate the cost of MGP site
      investigation and remediation will be substantial over time, the
      Company is not able to determine the most probable liability for MGPs.
      In accordance with accounting standards, the Company recorded a
      provision of $25 million in 1991 which reflects the low end of the
      range of its estimate of the liability associated with former MGPs. In
      1993, the Company recorded a provision of $5 million which reflects
      the low end of the range of its estimate of the liability associated
      with cleanup costs of remediation sites other than former MGP sites.
      The Company presently estimates that its costs of investigating and
      remediating these other sites pursuant to CERCLA and state
      environmental laws will not in the aggregate be material to the
      business or operations of the Company. These cost estimates are based
      on currently available information regarding the responsible parties
      likely to share in the costs of responding to site contamination, the
      extent of contamination at sites for which the investigation has not
      yet been completed and the cleanup levels to which sites are expected
      to have to be remediated.
 
- ---------------
 20 Subsequent Events
 
      On January 25, 1994, the Company announced the closing of the sale of
      $66 million of Pollution Control Revenue Refunding Bonds issued
      through the Illinois Development Finance Authority.
        On January 25, 1994, the Company announced that the following
      Illinois Environmental Facilities Financing Authority Pollution
      Control Revenue Bonds will be redeemed: on March 11, 1994, all $50
      million of the outstanding Series 1979 Bonds (consisting of $10
      million of 8 3/8% bonds due November 1, 2004 and $40 million of 8 1/2%
      bonds due November 1, 2009), and on April 1, 1994, all of the
      outstanding Series 1983 Bonds, consisting of $16 million of 9 3/4%
      bonds due April 1, 2013.
 
- -------------------------
 21 Quarterly Financial Information
 
<TABLE>
<CAPTION>
                                                                   Net         Average Earnings
                                        Electric                Income       Number of   (Loss)
                              Electric Operating        Net  (Loss) on          Common      Per
                             Operating    Income     Income     Common          Shares   Common
       Three Months Ended     Revenues    (Loss)     (Loss)      Stock     Outstanding    Share
       -------------------  ---------- ---------  ---------  ---------     ----------- --------
       <S>                  <C>        <C>        <C>        <C>           <C>         <C>
       (thousands except 
        per share data)
        March 31, 1992      $1,422,557 $ 265,806  $  67,254  $  49,303(a)      212,713   $ 0.23
        June 30, 1992       $1,431,749 $ 271,705  $ 105,825  $  87,919(a)      212,860   $ 0.41
        September 30, 1992  $1,708,880 $ 398,869  $ 235,865  $ 218,151         212,973   $ 1.02
        December 31, 1992   $1,463,135 $ 260,523  $ 105,037  $  88,069         213,170   $ 0.41

        March 31, 1993      $1,483,385 $ 240,840  $  77,212  $  60,575         213,337   $ 0.28
        June 30, 1993       $1,430,547 $ 237,223  $  75,094  $  58,051         213,466   $ 0.27
        September 30, 1993  $1,872,448 $ 456,227  $ 287,123  $ 270,558         213,550   $ 1.27
        December 31, 1993   $  474,060 $(530,475) $(326,989) $(342,796)(b)     213,680   $(1.60)
      ------------------------------------------------------------------------------------------
</TABLE>
      (a) See "Earnings per Common Share" under the subcaption "Results of
          Operations," in "Management's Discussion and Analysis of Financial
          Condition and Results of Operations" for information concerning
          the reduction to net income recorded in 1992 which reflected a
          provision for additional refunds and interest related to the 1985
          ICC rate order.
      (b) See Note 2 for information concerning the Rate Matters Settlement,
          which lowered the level of the Company's rates and provides for
          substantial customer refunds, and the Fuel Matters Settlement,
          which provides for payments to customers.
 
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