COMMONWEALTH EDISON CO
DEF 14C, 1997-04-07
ELECTRIC SERVICES
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<PAGE>
 
                           SCHEDULE 14C INFORMATION

 Information statement Pursuant to Section 14(c) of the Securities Exchange Act 
                            of 1934 (Amendment No.)

Check the appropriate box:

( ) Preliminary Information Statement

( ) Confidential, for Use of the Commission Only (as permitted by Rule 
    14c-5(d)(2))

(X) Definitive Information Statement


                          COMMONWEALTH EDISON COMPANY
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               (Name of Registrant As Specified In Its Charter)

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

Payment of Filing Fee (Check the appropriate box):

  (X) No fee required
    
  ( ) Fee computed on table below per Exchange Act Rules 14c-5(g) and 0-11.

   1) Title of each class of securities to which transaction applies:

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

   2) Aggregate number of securities to which transaction applies: 

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

   3) Per unit price or other underlying value of transaction computed pursuant 
to Exchange Act Rule 0-11 (Set forth the amount on which the filing fee is 
calculated and state how it was determined):

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

   4) Proposed maximum aggregate value of transaction:

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

   5) Total fee paid:

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

( ) Fee paid previously with preliminary materials.

( ) Check box if any part of the fee is offset as provided by Exchange Act Rule 
0-11(a)(2) and identify the filing for which the offsetting fee was paid 
previously.  Identify the previous filing by registration statement number, or 
the Form or Schedule and the date of its filing.

   1) Amount Previously Paid:

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

   2) Form, Schedule or Registration Statement No.:

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

   3) Filing Party:

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

   4) Date Filed:

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



<PAGE>
 
                                                      COMMONWEALTH EDISON
                                                      COMPANY
                                                      One First National Plaza
                                                      P.O. Box 767
                                                      Chicago, Illinois 60690-
                                                      0767
 
[COMED LOGO]
 
                   NOTICE OF ANNUAL MEETING OF SHAREHOLDERS
 
        TO BE HELD ON THURSDAY, MAY 29, 1997 AT 10:30 A.M. (LOCAL TIME)
 
  The annual meeting of shareholders of Commonwealth Edison Company ("ComEd"
or the "Company") will be held in the Wallingford Center of the Clock Tower
Resort & Conference Center, 7801 E. State Street, Rockford, Illinois. At the
meeting, shareholders will be asked to consider and act upon the following
matters, and to transact such other business as may properly be brought before
the meeting:
 
  Item A: The election of ten Directors.
 
  Item B: The amendment and restatement of the Unicom Corporation Long-Term
          Incentive Plan.
 
  Item C: The material terms of performance-based incentives in Long-Term
          Performance Unit Awards under Unicom Corporation's Long-Term
          Incentive Plan.
 
  Item D: The appointment of Arthur Andersen LLP, independent public
          accountants, as Auditors for 1997.
 
  Shareholders of record on the books of ComEd at 4:00 P.M., Chicago time, on
March 31, 1997, will be entitled to vote at the meeting.
 
                                       David A. Scholz
                                       Secretary
 
April 9, 1997
<PAGE>
 
 
                         DIRECTIONS TO THE CLOCK TOWER
                          RESORT & CONFERENCE CENTER
 
FROM CHICAGO AREA:
 
I-90 (Kennedy Expressway--Northwest Tollway) West to Rockford, exit at
Business Route U.S. 20. Straight across Business Route U.S. 20 to Clock Tower
Resort & Conference Center.
 
                      [MAP TO LOCATION OF ANNUAL MEETING]
<PAGE>
 
[COMED LOGO]
 
                             INFORMATION STATEMENT
 
                     WE ARE NOT ASKING YOU FOR A PROXY AND
                   YOU ARE REQUESTED NOT TO SEND US A PROXY.
 
                                                                  April 9, 1997
 
  This Information Statement is being sent to you in connection with the
annual meeting of shareholders of ComEd to be held on May 29, 1997.
 
  A ticket is not required for attendance at the annual meeting; however,
confirmation of stock ownership will be made prior to admission to the
meeting.
 
  As of March 31, 1997, ComEd had outstanding 214,225,017 shares of Common
Stock, par value $12.50 per share (of which Unicom Corporation ("Unicom")
beneficially owned 214,217,564 shares), 68,741 shares of $1.425 Convertible
Preferred Stock, without par value, and 15,996,324 shares of Cumulative
Preference Stock without par value. UNICOM INTENDS TO VOTE ITS SHARES OF COMED
COMMON STOCK FOR THE ELECTION OF THE NOMINEES NAMED IN ITEM A AND FOR THE
MATTERS DISCUSSED IN ITEMS B, C AND D. CONSEQUENTLY, SUCH MATTERS ARE EXPECTED
TO BE APPROVED.
 
  Unicom's 1996 Summary Annual Report was mailed to each shareholder of ComEd
on or about February 19, 1997. The audited financial statements of ComEd,
along with certain other financial information, are included in Exhibit B to
this Information Statement. This Information Statement was first mailed to
shareholders on or about April 9, 1997.
<PAGE>
 
                         ITEM A: ELECTION OF DIRECTORS
 
NOMINEES
 
  Jean Allard, Edward A. Mason and Frank A. Olson, whose current terms as
Directors expire at the 1997 annual meeting of shareholders, are not standing
for re-election. Both Ms. Allard and Mr. Mason have reached the applicable
mandatory retirement age, and Mr. Olson has chosen not to stand for re-
election due to a substantial increase in his other business obligations.
Their contributions were many and are gratefully appreciated.
 
  Ten Directors are to be elected at the annual meeting to serve terms of one
year and until their respective successors have been elected. The Board has
decided that it is not necessary to fill the vacancies caused by the
retirements of Ms. Allard, Mr. Mason and Mr. Olson at this time and,
therefore, the number of Board members is being reduced to ten. The nominees
for Director, all of whom are now serving as Directors of ComEd and Unicom,
are listed below together with certain biographical information. Except as
otherwise indicated, each nominee for Director has been engaged in his or her
present principal occupation for at least the past five years.
 
[PHOTO]         EDWARD A. BRENNAN, age 63. Director since 1995. Retired.
                Chairman and CEO of Sears, Roebuck and Co. (retail
                merchandiser) for more than five years prior to August 1995.
                Member of Audit, Corporate Governance and Compensation,
                Nominating and Regulatory and Environmental Affairs
                Committees. Other directorships: The Allstate Corporation, AMR
                Corporation, Dean Foods Company, Dean Witter, Discover & Co.,
                Minnesota Mining and Manufacturing Company, The SABRE Group
                Holdings, Inc. and Unicom Corporation.
 
 
 
[PHOTO]         JAMES W. COMPTON, age 59. Director since 1989. President and
                Chief Executive Officer of the Chicago Urban League (a non-
                profit agency). Chairman of Finance Committee and member of
                Corporate Governance and Compensation, Executive and
                Nominating Committees. Other directorship: Unicom Corporation.
 
 
 
[PHOTO]         BRUCE DeMARS, age 61. Director since October 1996. Retired.
                Admiral, United States Navy and Director, Naval Nuclear
                Propulsion Program for more than five years prior to October
                1996. Chairman of Nuclear Operations Committee and member of
                Corporate Governance and Compensation Committee. Other
                directorship: Unicom Corporation.
 
[PHOTO]         SUE L. GIN, age 55. Director since 1993. Founder, Owner,
                Chairman and Chief Executive Officer of Flying Food Fare, Inc.
                (in-flight catering company). Member of Corporate Governance
                and Compensation, Executive and Finance Committees. Other
                directorship: Unicom Corporation.

 
                                       2
<PAGE>
 
[PHOTO]         DONALD P. JACOBS, age 69. Director since 1979. Dean of the J.
                L. Kellogg Graduate School of Management, Northwestern
                University. Chairman of Regulatory and Environmental Affairs
                Committee and member of Corporate Governance and Compensation,
                Finance and Nominating Committees. Other directorships: The
                First National Bank of Chicago, Hartmarx Corp., Security
                Capital Industrial Trust, Unicom Corporation, Unocal Corp. and
                Whitman Corp.
 
 
 
[PHOTO]         EDGAR D. JANNOTTA, age 65. Director since 1994. Senior
                Director of William Blair & Company, L.L.C. (investment
                banking and brokerage company) since January 1996. For more
                than five years prior thereto, Managing Partner of William
                Blair & Company and Senior Partner during 1995. Chairman of
                Nominating Committee and member of Audit, Corporate Governance
                and Compensation, and Finance Committees. Other directorships:
                AAR Corp., AON Corporation, Bandag, Incorporated, Molex
                Incorporated, Oil-Dri Corporation of America, Safety-Kleen
                Corp. and Unicom Corporation.
 
[PHOTO]         GEORGE E. JOHNSON, age 69. Director since 1971. Founder and
                retired Chairman, Johnson Products Company, Inc. (personal
                care products company). Chairman of Indecorp, Inc. for more
                than five years prior to December 1995. Member of Audit,
                Corporate Governance and Compensation, Executive, and
                Regulatory and Environmental Affairs Committees. Other
                directorships: Burrell Communications Group and Unicom
                Corporation.
 
 
 
[PHOTO]         LEO F. MULLIN, age 54. Director since 1995. Vice Chairman of
                ComEd since December 1995. President and Chief Operating
                Officer of First Chicago Corporation from November 1993 to
                July 1995. Chairman, President and Chief Executive Officer of
                American National Bank and Trust Company of Chicago from April
                1991 to November 1993. Member of Executive and Nuclear
                Operations Committees. Other directorships: Pittway
                Corporation, Inland Steel Industries, Inc. and Unicom
                Corporation.
 
[PHOTO]         JAMES J. O'CONNOR, age 60. Director since 1978. Chairman of
                ComEd. Chairman of Executive Committee and member of Nuclear
                Operations Committee. Other directorships: Corning
                Incorporated, First Chicago NBD Corporation, The First
                National Bank of Chicago, Tribune Company, UAL Corporation and
                Unicom Corporation.
 
 
 
[PHOTO]         SAMUEL K. SKINNER, age 58. Director since 1993. President of
                ComEd since February 1993. General Chairman of the Republican
                National Committee from August 1992 to January 1993. Chief of
                Staff to the President of the United States from December 1991
                to August 1992. Member of Executive and Nuclear Operations
                Committees. Other directorships: ANTEC Corporation, The Broken
                Hill Proprietary Company Limited, LTV Corporation, Unicom
                Corporation and Union Pacific Resources Group Inc.
 
 
 
 
                                       3
<PAGE>
 
ADDITIONAL INFORMATION CONCERNING BOARD OF DIRECTORS
 
  Compensation of Directors--Directors who are not employees of Unicom, ComEd,
or any of their subsidiaries receive an annual fee of $30,000 payable in
shares of Unicom common stock under the Unicom Corporation 1996 Directors' Fee
Plan. Such Directors also receive a fee of $1,000 for each Board and Committee
meeting they attend and an additional annual fee of $2,500 for each Committee
of the Board that they chair, which meeting and chair fees may, at the
election of the Director, be paid in shares of Unicom common stock under the
1996 Directors' Fee Plan. Any non-employee Director who is also a member of
the Nuclear Operations Committee receives an additional annual fee of $7,500.
In the event that Directors also serve as directors of Unicom, or as chairs of
corresponding committees of Unicom, the aggregate fees paid to such Directors
in respect of such service to Unicom and ComEd do not exceed the foregoing
amounts. Directors who are full-time employees of Unicom, ComEd, or any of
their subsidiaries receive no fees for service on the Board of Directors.
Directors may defer the cash portion of their fees. Directors who have never
been an officer or an employee of Unicom, ComEd, or any of their subsidiaries,
and who have attained at least age 65 and completed the required period of
Board service (3 to 5 years as applicable, including service as a director of
Unicom), are eligible for retirement benefits upon retirement. Such benefits
are paid to the retired Director or a surviving spouse for a period equal to
such Director's years of service (including service as a director of Unicom)
in an amount per year equal to the annual retainer for Board members as in
effect at the time of payment. Effective January 1, 1997, the Board of
Directors terminated the further accrual of retirement benefits and offered
each Director the option to irrevocably elect, in lieu of amounts otherwise
payable, a lump sum amount payable upon retirement, either by delivery of
shares of Unicom common stock or in cash. In lieu of further accrual of
retirement benefits, non-employee Directors will receive a $6,200 increase in
their annual fee, effective June 1, 1997 and payable in shares of Unicom
common stock.
 
  Audit Committee--The Audit Committee consists of five Directors who are not
employees of Unicom, ComEd, or any of their subsidiaries. Members serve three-
year staggered terms. It is the responsibility of the Audit Committee to
review, with ComEd's independent Auditors, ComEd's financial statements and
the scope and results of such Auditors' examinations, to monitor the internal
accounting controls and practices of ComEd, to review the financial statements
set forth in Exhibit B and to recommend the appointment, subject to
shareholder approval, of independent Auditors. The Committee met three times
during 1996. Members of the Committee are Jean Allard (Chair), Edward A.
Brennan, Edgar D. Jannotta, George E. Johnson and Edward A. Mason.
 
  Corporate Governance and Compensation Committee--The Corporate Governance
and Compensation Committee consists of all Directors who are not and have
never been employees of Unicom, ComEd, or any of their subsidiaries. Members
serve one-year terms. The Committee reviews management and executive
compensation programs and corporate governance matters and administers awards
under the Deferred Compensation Plan. The Committee met five times during
1996. Members of the Committee are Frank A. Olson (Chairman), Jean Allard,
Edward A. Brennan, James W. Compton, Bruce DeMars, Sue L. Gin, Donald P.
Jacobs, Edgar D. Jannotta, George E. Johnson and Edward A. Mason.
 
  Executive Committee--The Executive Committee consists of six Directors.
Members serve one-year terms. The remaining Directors constitute alternates to
serve temporarily, in rotation, in place of any member unable to serve. The
Committee has and may exercise all the authority of the Board of Directors
when the Board is not in session, subject to limitations set forth in the By-
Laws. The Committee met two times during 1996. Members of the Committee are
James J. O'Connor (Chairman), James W. Compton, Sue L. Gin, George E. Johnson,
Leo F. Mullin and Samuel K. Skinner.
 
  Finance Committee--The Finance Committee consists of five Directors. Members
serve one-year terms. The Committee reviews the scope and results of ComEd's
and its subsidiaries' financing program. The Committee met two times during
1996. Members of the Committee are James W. Compton (Chairman), Jean Allard,
Sue L. Gin, Donald P. Jacobs and Edgar D. Jannotta.
 
                                       4
<PAGE>
 
  Nominating Committee--The Nominating Committee consists of five Directors who
are not employees of Unicom, ComEd, or any of their subsidiaries. Members serve
one-year terms. The Committee reviews the qualifications of potential
candidates and proposes nominees for Director to the Board. The Committee will
consider nominees recommended by shareholders if such recommendations are
submitted in writing, accompanied by a description of the proposed nominee's
qualifications and other relevant biographical information and evidence of the
consent of the proposed nominee. The recommendations should be addressed to the
Nominating Committee, in care of the Secretary of ComEd. Nominations also may
be presented by shareholders at the annual meeting of shareholders. The
Committee met one time during 1996. Members of the Committee are Edgar D.
Jannotta (Chairman), Edward A. Brennan, James W. Compton, Donald P. Jacobs and
Frank A. Olson.
 
  Nuclear Operations Committee--The Nuclear Operations Committee consists of
five Directors. Members serve one-year terms. The Committee reviews ComEd's
nuclear operations. The Committee met six times during 1996. Members of the
Committee are Bruce DeMars (Chairman), Edward A. Mason, Leo F. Mullin, James J.
O'Connor and Samuel K. Skinner.
 
  Regulatory and Environmental Affairs Committee--The Regulatory and
Environmental Affairs Committee consists of five Directors. Members serve one-
year terms. The Committee reviews ComEd's relationships with economic and
environmental regulatory agencies and reviews matters involving ComEd before
such agencies. The Committee met two times during 1996. Members of the
Committee are Donald P. Jacobs (Chairman), Edward A. Brennan, George E.
Johnson, Edward A. Mason and Frank A. Olson.
 
  Attendance at Meetings--During 1996, there were eight meetings of the Board
of Directors. The average attendance of all incumbent Directors, expressed as a
percent of the aggregate total of Board and Board Committee meetings in 1996,
was 95%. Each incumbent Director attended at least 79% of the meetings of the
Board and Board Committees of which the Director was a member.
 
                                       5
<PAGE>
 
SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT
 
  As of March 1, 1997, Unicom beneficially owned 214,217,564 shares of ComEd
Common Stock, representing more than 99.99% of the total ComEd Common Stock
outstanding, and there was no other person known to ComEd to be the beneficial
owner of more than five percent of any class of ComEd voting securities. The
following table lists the beneficial ownership, as of March 1, 1997, of Unicom
common stock held by each of the Directors, each of the executive officers
named in the Summary Compensation Table on page 13 and ComEd's Directors and
executive officers as a group. Except as otherwise noted below, no executive
officers or Directors of ComEd beneficially own voting securities of ComEd.
 
<TABLE>
<CAPTION>
                                                         AMOUNT OF
                                                         BENEFICIAL
                                                         OWNERSHIP
                                                         OF UNICOM       PERCENT
                                                           COMMON          OF
                          NAME                             STOCK          CLASS
                          ----                           ----------      -------
<S>                                                      <C>             <C>
Jean Allard.............................................    1,963            *
Edward A. Brennan.......................................    1,781            *
James W. Compton........................................    2,361            *
Bruce DeMars............................................      242            *
Sue L. Gin..............................................    5,167            *
Donald P. Jacobs........................................    3,522            *
Edgar D. Jannotta.......................................    2,003            *
George E. Johnson.......................................    4,147            *
Edward A. Mason.........................................    2,489            *
Leo F. Mullin...........................................   20,091            *
James J. O'Connor.......................................   32,653(1)(2)      *
Frank A. Olson..........................................    2,003            *
Samuel K. Skinner.......................................   34,782            *
Thomas J. Maiman........................................    8,520(2)         *
Michael J. Wallace......................................    9,518(2)(3)      *
Directors and executive officers as a group (35
 persons)...............................................  213,580(2)(4)      *
</TABLE>
- ---------------------
*Less than one percent
(1) Includes 1,670 shares owned by family members.
(2) Does not include shares of Unicom common stock that would have been
    received by an officer under certain awards made pursuant to the Unicom
    Corporation Long-Term Incentive Plan but for an election by such officer
    to defer receipt of such shares. All such deferred shares were issued to a
    trust held by an institutional investor. The Trustee has sole voting
    rights with respect to such deferred shares. Dividends paid thereon are
    either reinvested in Unicom common stock and held by such Trustee or are
    paid to the officer making the deferral. As of March 1, 1997, the total
    number of shares deferred by officers was 124,916. Deferrals by Messrs.
    O'Connor, Maiman and Wallace totalled 41,340, 8,683 and 9,927 shares,
    respectively.
(3) Includes 100 shares jointly owned with a family member, 189 shares owned
    by a family member and 200 shares held in a custodial account for a family
    member.
(4) Includes 1,979 shares owned by spouses, 200 shares held in a custodial
    account for a family member, 1,399 shares jointly owned by spouse and in-
    law, 1,859 shares owned by family members and 1,978 shares jointly owned
    with family members. Such persons also beneficially own 70 shares of ComEd
    Preference Stock, representing less than one percent of such class.
 
 
                                       6
<PAGE>
 
SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE
 
  Section 16(a) of the Securities Exchange Act of 1934 requires ComEd's
officers and directors and persons who own more than ten percent of a
registered class of ComEd equity securities ("Reporting Person") to file
reports of ownership and changes in ownership with the Securities and Exchange
Commission. Reporting Persons are required by Securities and Exchange
Commission regulations to furnish ComEd with copies of all Section 16(a)
reports they file.
 
  Based solely on its review of the copies of such forms received by it and
written representations from certain Reporting Persons, ComEd believes that
during fiscal 1996, its Reporting Persons complied with all filing requirements
applicable to them.
 
                     ITEM B: AMENDMENT AND RESTATEMENT OF
                  UNICOM CORPORATION LONG-TERM INCENTIVE PLAN
 
  The second item to be considered by shareholders at the annual meeting will
be an amendment and restatement of the existing Unicom Corporation Long-Term
Incentive Plan. The Incentive Plan was originally approved by ComEd's
shareholders in May 1993. It was re-approved by ComEd in August 1994, as the
then sole shareholder of Unicom, in connection with its assumption by Unicom.
As explained below, it is being amended, and submitted to both Unicom and ComEd
shareholders for their consideration and approval, so that future grants or
awards under the Incentive Plan can qualify as "performance-based compensation"
under the Internal Revenue Code. Neither the number of shares available for
awards under the Incentive Plan, nor the types of awards allowed under the
Incentive Plan, is being changed. Subject to shareholder approval, the
amendments to the Incentive Plan establish the following new limits on awards:
first, the maximum aggregate number of shares of Unicom common stock available
for stock option and stock appreciation rights grants to any given individual
in any five consecutive years would be limited to 500,000; and second, the
maximum aggregate number of performance units that could be granted to any
given individual in any given year would be limited to 50,000. The full text of
the Incentive Plan, which will become effective upon Unicom and ComEd
shareholder approval, is attached as Exhibit A to this Information Statement.
 
PURPOSES OF INCENTIVE PLAN AND AMENDMENTS
 
  The purposes of the Incentive Plan are (i) to align the interests of
shareholders and recipients of awards by increasing the proprietary interest of
such recipients in Unicom's and ComEd's growth and success and (ii) to advance
Unicom's and ComEd's interests by attracting and retaining well-qualified
persons by providing such persons with performance-related incentives. Awards
under the original plan have been, and awards under the amended Incentive Plan
are expected to be, structured to achieve these purposes.
 
  The Incentive Plan provides for a variety of awards that can be flexibly
administered in order to carry out its purposes. The Board believes this
authority will continue to permit Unicom and ComEd to keep pace with changing
developments in compensation programs and to make them competitive with other
companies that offer creative incentives to attract and keep employees. The
flexibility of the Incentive Plan will continue to allow Unicom and ComEd to
respond to changing circumstances such as changes in tax laws, accounting
rules, securities regulations and other rules regarding benefit plans. The
Incentive Plan grants the administrators flexibility in creating the terms and
restrictions deemed appropriate for particular awards as facts and
circumstances warrant.
 
  As noted earlier, the purpose of the amendments, and the reason for obtaining
shareholder approval, is to assist awards under the Incentive Plan in
qualifying as performance-based compensation under the Internal Revenue Code.
Section 162(m) of the Internal Revenue Code, which became effective after the
adoption of the original plan in 1993, limits the deduction that may be claimed
for compensation paid to the Chairman and Chief Executive Officer and the four
other highest paid executive officers at the end of a given calendar year to
$1,000,000 per person, subject to certain exceptions. The rule applies to all
types of compensation, including amounts realized upon the exercise
 
                                       7
<PAGE>
 
of stock options and the receipt of cash and stock in payment of awards,
unless the award and the plan under which they are made qualify as
"performance-based" under the Internal Revenue Code and related regulations.
The amendment and restatement of the original plan is intended to allow future
option, stock appreciation rights and performance unit grants under the
Incentive Plan to be eligible for treatment as performance-based compensation
under Section 162(m) of the Code.
 
PRINCIPAL TERMS OF INCENTIVE PLAN
 
  Employees of Unicom and its subsidiary companies (in which Unicom owns
directly or indirectly a 51% or more voting equity interest) are eligible to
be selected to participate in the Incentive Plan. The selection of
participants from eligible persons is within the sole discretion of the
Corporate Governance and Compensation Committee of the Unicom Board of
Directors. Approximately 16,800 persons are eligible to participate in the
Incentive Plan.
 
  The Incentive Plan authorizes the Corporate Governance and Compensation
Committee of the Unicom Board of Directors to make or grant the following
types of awards singly, in combination or in tandem:
 
    Stock Options. Awards may consist of options to purchase shares of Unicom
  common stock, which may be "incentive stock options" or non-qualified stock
  options. Incentive stock options must meet the requirements of Section 422
  of the Internal Revenue Code and carry some potential tax advantages for
  the recipient. Non-qualified stock options are not subject to those
  requirements and do not carry such advantages. The Committee is empowered
  to determine the number of shares subject to each option, the manner and
  time of the option's exercise, and the exercise price per share of stock
  subject to the option. The exercise price of an incentive stock option may
  not be less than the fair market value of a share of Unicom common stock on
  the date the option is granted. The Committee may establish any exercise
  price for non-qualified stock options. The exercise price of an option may,
  at the discretion of the Committee, be paid by a participant in cash,
  shares of Unicom common stock owned by the participant, a combination
  thereof, or such other consideration as the Committee may deem appropriate.
 
    Stock Appreciation Rights. A stock appreciation right ("SAR") is a right
  to receive a payment (either in cash, shares of Unicom common stock, or a
  combination thereof) equal to the appreciation in market value of a stated
  number of shares of Unicom common stock. The appreciation is measured by
  the difference between a reference price stated in the SAR and the market
  value of a share of Unicom common stock on the date of exercise of the SAR.
  A SAR may be granted in tandem with a stock option ("Tandem SARs") or
  independent of a stock option ("Non-tandem SARs"). A Tandem SAR may be
  granted either at the time of the grant of the related stock option or, in
  the case of a non-qualified stock option, at any time thereafter during the
  term of such option. Upon the exercise of a stock option as to some or all
  of the shares covered by the award, the related Tandem SAR is cancelled
  automatically to the extent that the number of shares subject to the Tandem
  SAR exceeds the number of remaining shares subject to the related stock
  option.
 
    Stock Awards. Awards may also consist of grants of restricted or
  unrestricted shares of Unicom common stock. Such awards will be subject to
  such terms, conditions, restrictions and/or limitations, if any, as the
  Committee deems appropriate, which may include restrictions on
  transferability and continued employment.
 
    Performance Shares. Performance shares are either shares of Unicom common
  stock or units which are expressed in terms of Unicom common stock. Such
  awards are contingent upon the attainment over a specified time period (as
  determined by the Committee) of certain performance objectives. The
  performance objectives to be achieved during a performance period and the
  measures of whether and to what degree such objectives have been attained
  are also determined by the Committee.
 
    Performance Units. Awards may also be granted in the form of "performance
  units," which are units valued by reference to criteria chosen by the
  Committee other than Unicom common
 
                                       8
<PAGE>
 
  stock. Performance units are similar to performance shares in that they are
  contingently awarded based on the attainment over a performance period of
  certain objectives. The length of the performance period, the performance
  objectives to be achieved and the measure of whether and to what degree
  such objectives have been achieved are determined by the Committee. Amounts
  earned under performance units may be paid in cash, shares of Unicom common
  stock or both.
 
    Other Stock-Based Awards. The Committee is also authorized to grant to
  participants awards of Unicom stock and other awards that are valued in
  whole or in part by reference to, or are otherwise based on, Unicom common
  stock.
 
  Awards may be paid in cash, shares of Unicom common stock, a combination of
cash and shares of Unicom common stock, or any other form of property, as the
Committee determines. If an award is granted in the form of a stock option,
restricted or unrestricted stock award, performance shares, or in the form of
any other stock-based award, the Committee may include as part of such award an
entitlement to receive dividends or dividend equivalents. At the discretion of
the Committee, the payment of performance shares or performance units may be
deferred by a participant. As noted in the first paragaph of this Item, the
amendments limit (i) the maximum aggregate number of shares of Unicom common
stock available for stock option and stock appreciation rights grants to
500,000 for any given individual in any five consecutive years and (ii) the
maximum aggregate number of performance units that can be granted to 50,000 for
any given individual in any given year.
 
  Awards are evidenced by written agreements containing the terms, conditions,
restrictions and/or limitations covering the grant of the award.
 
AVAILABLE SHARES; OUTSTANDING AWARDS
 
  The Incentive Plan originally made available an aggregate of 4,000,000 shares
of Unicom common stock for the grant of awards. Since then, 659,284 shares have
been issued in payment of awards under the Incentive Plan. There remain
3,340,716 shares available for satisfying currently outstanding awards
(including the stock options described in the next paragraph), and issuing
future awards. Shares covered by any stock option, stock appreciation right or
other stock award that expires or terminates unexercised or is cancelled or
forfeited become available again for awards under the Incentive Plan.
 
  As of March 1, 1997, there were 1,190,000 shares covered by outstanding non-
qualified stock options. Each stock option entitles the holder to purchase
shares of Unicom common stock. The options become exercisable in equal
increments on the first three anniversaries of the grant date (subject to
acceleration in the event of a change in control of Unicom), and expire
entirely on the tenth anniversary of the grant date to the extent not
previously exercised. Options to purchase an aggregate of 1,201,500 shares at
an exercise price of $25.50 per share were granted in July 1996 to employees,
including options to purchase 65,000, 50,000, 50,000, 22,500 and 15,000 shares
granted to Messrs. O'Connor, Mullin, Skinner, Maiman and Wallace, respectively;
and options to purchase 436,500 shares granted to all executive officers as a
group. Options to purchase an aggregate of 4,000 shares at an exercise price of
$25.50 per share were granted in December 1996 to two key non-executive
employees. Non-employee Directors are not eligible to participate in the
Incentive Plan. As of March 1, 1997, the market price of Unicom common stock
was $22.50 per share, which was below the exercise price of the outstanding
options.
 
  Benefits under the Incentive Plan with respect to 1997 and future years are
not determinable.
 
INCENTIVE PLAN ADMINISTRATION
 
  The Incentive Plan is administered by the Corporate Governance and
Compensation Committee of the Unicom Board of Directors. No member of the
Committee is eligible to participate in the Incentive Plan. Among the powers
granted to the Committee are the authority to interpret the Incentive Plan,
establish rules and regulations for its operation, select employees of Unicom
and its subsidiaries to receive awards, and determine the form, amount and
other terms and conditions of awards. The
 
                                       9
<PAGE>
 
Committee also has the power to modify or waive restrictions on awards, to
amend awards and to grant extensions and accelerate awards.
 
AMENDMENT AND TERMINATION
 
  The Unicom Board of Directors may amend the Incentive Plan at any time but
may not, without Unicom shareholder approval, adopt any amendment which would
increase the number of shares of Unicom common stock available for award under
the Incentive Plan or which would cause the Incentive Plan to lose its
exemption under Securities and Exchange Commission Regulation Section 240.16b-
3.
 
  The Incentive Plan has no fixed termination date but may be terminated by the
Unicom Board at any time. Termination of the Incentive Plan will not affect the
status of any awards outstanding at the date of termination.
 
FEDERAL TAX TREATMENT
 
  Under current U.S. federal tax law, the following is a brief summary of the
U.S. federal income tax consequences generally arising with respect to awards
under the Incentive Plan.
 
  A participant who is granted an incentive stock option will not recognize any
taxable income at the time of the grant of the option or at the time of its
exercise. If the participant does not dispose of the shares acquired pursuant
to an incentive stock option before the later of two years from the date of
grant and one year from the date of exercise, any gain or loss realized on a
subsequent disposition of the shares will be treated as a long-term capital
gain or loss, and the participant's employer will not be entitled to any
deduction for federal income tax purposes.
 
  A participant who is granted a non-qualified option will not recognize
taxable income at the time of grant, but will recognize taxable income at the
time of exercise equal to the difference between the exercise price of the
shares and the market value of the shares on the date of exercise. The
participant's employer will be entitled to a tax deduction for the amount of
income recognized by the participant.
 
  A participant who is granted a SAR will not recognize any taxable income at
the time of grant, but will recognize taxable income at the time of exercise
equal to the difference between the reference price of the shares and the
market price of the shares on the date of exercise, and the participant's
employer will be entitled to a tax deduction for the amount of income
recognized by the participant.
 
  A participant who has been granted either performance units or performance
shares will not recognize taxable income at the time of the grant. A
participant will recognize ordinary income at the time the award is paid equal
to the amount of cash paid or the value of shares delivered, and the
participant's employer will be entitled to a tax deduction for the amount of
income recognized by the participant.
 
  A participant who has been granted an award of restricted shares of Unicom
common stock will not recognize taxable income at the time of the grant, and
the participant's employer will not be entitled to a tax deduction at the time
of the grant, unless the participant makes an election to be taxed at the time
of the award. When the restrictions lapse, the participant will recognize
taxable income in an amount equal to the excess of the fair market value of the
shares at such time over the amount, if any, paid for such shares. The
participant's employer will be entitled to a corresponding tax deduction.
 
  A participant who has been granted an unrestricted stock award will recognize
taxable income at the time of grant in an amount equal to the then fair market
value of the Unicom common stock awarded. The participant's employer will
receive a corresponding tax deduction.
 
                                       10
<PAGE>
 
                  ITEM C: MATERIAL TERMS OF PERFORMANCE-BASED
              INCENTIVES IN THE LONG-TERM PERFORMANCE UNIT AWARDS
                    UNDER UNICOM'S LONG-TERM INCENTIVE PLAN
 
  The third item to be considered by shareholders at the annual meeting will
be the approval of the material terms of certain performance unit awards to be
made under the Unicom Corporation Long-Term Incentive Plan. The Corporate
Governance and Compensation Committee of the Unicom Board of Directors has
annually granted to certain management-level employees a long-term performance
unit award whose payment is based upon a cumulative total shareholder return
performance comparison of Unicom Common Stock to the common stock of the other
companies comprising the Dow Jones Utility Stock Index over a three-year
period. Such employees include persons subject to the compensation deduction
limitations of Section 162(m) of the Internal Revenue Code. As noted
previously, the deduction limitations do not apply to certain categories of
performance-based compensation grants which meet the applicable statutory
requirements. Such requirements include obtaining shareholder approval of the
"material terms" of the grants. Those "material terms" are (i) the individuals
eligible to receive compensation under the award, (ii) the business criteria
on which the performance incentives under the award are based, and (iii) the
maximum amount of compensation to be paid or the formula by which the amount
of individual awards will be determined under the award.
 
ELIGIBLE PARTICIPANTS
 
  Recipients of the long-term performance unit awards would include the
Company's Chief Executive Officer and its four most highly paid officers
(other than the Chief Executive Officer). Previous and currently outstanding
long-term performance unit awards have included so-called "group level" and
"officer level" employees of ComEd and Commonwealth Edison Company of Indiana,
Inc., representing an aggregate of approximately 325 recipients. It is
expected that future awards would cover the aforementioned recipients and, if
the Corporate Governance and Compensation Committee so determines, other key
employees of Unicom and its subsidiaries.
 
BUSINESS CRITERIA AND FORMULA FOR AWARDS
 
  Under each long-term performance unit award, a participant would be entitled
to receive a payment based on the cumulative total shareholder return on
Unicom's common stock relative to the common stock of the other companies
comprising the Dow Jones Utility Stock Index over a three-year performance
period. Cumulative total shareholder return is calculated by dividing (1) the
sum of the cumulative amount of dividends during the three-year period
(assuming that those dividends are reinvested) plus the difference in the
share price between the beginning and end of the three-year period, by (2) the
share price at the beginning of the three-year period. Unicom's performance
relative to the other companies in the public utility index must equal or
exceed the 25th percentile for any award to be earned by a participant, and
must equal or exceed the 90th percentile to earn the maximum payout.
 
  Payout amounts under the awards are determined based upon a participant's
salary and the aforementioned relative performance. Specifically, a portion of
base salary is divided by the closing price of Unicom common stock as reported
in The Wall Street Journal as New York Stock Exchange Composite Transactions
on the last business day immediately preceding the commencement of the
performance period to determine the number of performance units that the
participant will initially receive. The total number of performance units
which may be granted to such participant in any given year under the Incentive
Plan may not exceed 50,000. The initial number is then adjusted based upon the
performance of Unicom common stock relative to the other companies comprising
the Dow Jones Utility Stock Index over a three-year performance period. At the
minimum performance level (i.e., the 25th percentile), that initial number is
multiplied by one-half; and at the maximum performance level
 
                                      11
<PAGE>
 
(i.e., the 90th percentile), it is multiplied by two. The dollar value of the
payout is then determined by multiplying the performance adjusted number of
performance units by the average closing price of Unicom common stock as
reported in The Wall Street Journal as New York Stock Exchange Composite
Transactions during the calendar quarter ending on the last day of the
performance period.
 
  Payments made to the named executive officers under prior long-term
performance unit awards are reflected in the "Payouts" column under the "Long-
Term Compensation" heading in the Summary Compensation Table.
 
                          ITEM D: APPROVAL OF AUDITORS
 
  Subject to approval of the shareholders, the Board of Directors of ComEd has
appointed Arthur Andersen LLP, independent public accountants, as Auditors to
examine the annual and quarterly consolidated financial statements of ComEd and
its subsidiary companies for 1997. The shareholders will be asked at the annual
meeting to approve such appointment. The firm of Arthur Andersen LLP has
audited the accounts of Unicom since its inception in 1994, and ComEd since
1932. A representative of Arthur Andersen LLP will be present at the meeting to
make a statement if such representative so desires, and to respond to
shareholders' questions.
 
                                       12
<PAGE>
 
                            EXECUTIVE COMPENSATION
 
  The following table sets forth certain information relating to the
compensation during the past three calendar years of those persons who were,
at December 31, 1996, the Chief Executive Officer and the other four most
highly compensated executive officers of Unicom or ComEd.
 
SUMMARY COMPENSATION TABLE
 
<TABLE>
<CAPTION>
                                                           LONG-TERM
                               ANNUAL COMPENSATION       COMPENSATION
                             ----------------------- ---------------------
                                                        AWARDS     PAYOUTS
                                              OTHER  ------------- -------
                                             ANNUAL   SECURITIES           ALL OTHER
                                             COMPEN-  UNDERLYING    LTIP    COMPEN-
  NAME AND PRINCIPAL         SALARY   BONUS  SATION  OPTIONS /SARS PAYOUTS SATION(1)
       POSITION         YEAR    $       $       $          #          $        $
  ------------------    ---- ------- ------- ------- ------------- ------- ---------
<S>                     <C>  <C>     <C>     <C>     <C>           <C>     <C>
James J. O'Connor       1996 844,926 528,079     0      65,000     324,956  101,174
 Chairman (Chief        1995 826,926 826,926     0         --      452,296   98,102
 Executive Officer)     1994 773,536 485,106     0         --            0   93,120
 ComEd and Unicom
Samuel K. Skinner       1996 589,000 368,125     0      50,000     232,994  102,048
 President              1995 580,000 580,000     0         --      324,297  105,828
 ComEd and Unicom       1994 543,748 602,338     0         --            0   87,969
Leo F. Mullin(2)        1996 580,000 362,500     0      50,000      91,849  117,287
 Vice Chairman          1995  35,508 275,000     0         --       15,156    1,953
 ComEd and Unicom
Thomas J. Maiman        1996 336,785 105,639     0      22,500      90,981   24,506
 Executive Vice         1995 279,055 128,445     0         --      126,633   20,265
 President              1994 267,516 155,862     0         --            0   19,609
 ComEd        
Michael J. Wallace      1996 308,440  94,104     0      15,000      87,847   16,488
 Senior Vice President  1995 277,440  93,021     0         --      122,271   13,469
 ComEd                  1994 269,689 123,803     0         --            0   12,919
</TABLE>
- ---------------------
(1) Amounts shown include matching contributions made by ComEd pursuant to the
    ComEd Employee Savings and Investment Plan ("ESIP"), matching
    contributions made by ComEd pursuant to the ComEd Excess Benefit Savings
    Plan and premiums and administrative service fees paid by ComEd on behalf
    of the named individuals under various group life insurance plans. For the
    year 1996, contributions made to the ESIP amounted to $6,648, $3,781,
    $6,993, $6,308 and $5,497 on behalf of Messrs. O'Connor, Skinner, Mullin,
    Maiman and Wallace, respectively. Contributions made to the ComEd Excess
    Benefit Savings Plan during 1996 totaled $23,802, $20,796, $18,288, $7,127
    and $6,900 on behalf of Messrs. O'Connor, Skinner, Mullin, Maiman and
    Wallace, respectively. Premiums and administrative service fees paid
    during 1996 for Split Dollar Life, Accidental Death and Travel Accident
    insurance policies for Messrs. O'Connor, Skinner, Mullin, Maiman and
    Wallace, respectively, are as follows: $70,323, $365 and $36; $77,191,
    $255 and $25; $91,727, $254 and $25; $10,894, $161 and $16; and $3,944,
    $134 and $13. ComEd is entitled to recover the premiums and administrative
    service fees from any amounts paid by the insurer on such Split Dollar
    Life policies and has retained a collateral interest in each policy to the
    extent of the premiums and administrative service fees paid with respect
    to such policy.
(2) Mr. Mullin became an executive officer of ComEd and Unicom in December
    1995.
 
                                      13
<PAGE>
 
OPTION/SAR GRANTS IN LAST FISCAL YEAR
 
 
<TABLE>
<CAPTION>
                                             INDIVIDUAL GRANTS
                          -------------------------------------------------------
                           NUMBER OF
                          SECURITIES   % OF TOTAL
                          UNDERLYING  OPTIONS/SARS EXERCISE            GRANT DATE
                          OPTION/SARS  GRANTED TO  OR BASE              PRESENT
                            GRANTED   EMPLOYEES IN  PRICE   EXPIRATION   VALUE
NAME                         #(1)     FISCAL YEAR  $/SHARE     DATE       $(2)
- ----                      ----------- ------------ -------- ---------- ----------
<S>                       <C>         <C>          <C>      <C>        <C>
James J. O'Connor (CEO).    65,000        5.39      25.50    7/17/06    243,100
Samuel K. Skinner.......    50,000        4.15      25.50    7/17/06    187,000
Leo F. Mullin...........    50,000        4.15      25.50    7/17/06    187,000
Thomas J. Maiman........    22,500        1.87      25.50    7/17/06     84,150
Michael J. Wallace......    15,000        1.24      25.50    7/17/06     56,100
</TABLE>
- ---------------------
(1) Each option becomes exercisable in equal annual increments on the first,
    second and third anniversaries of the July 1996 grant date, subject to
    acceleration in the event that a change in control of Unicom occurs. The
    options do not include any stock appreciation rights.
(2) The "grant date present value" is based upon the Black-Scholes option-
    pricing model. The actual value, if any, an executive may realize upon
    exercise of the option will depend on the excess of the stock price over
    the exercise price on the date the option is exercised. Consequently,
    there is no assurance the value realized by an executive will be at or
    near the value estimated by the Black-Scholes model. The principal
    assumptions incorporated into the valuation model by Unicom are as
    follows: (i) expected time to exercise of seven years, (ii) dividend yield
    rate of 6.3%, (iii) risk-free interest rate of 6.64% and (iv) expected
    volatility of 20.98%.
 
LONG-TERM INCENTIVE PLANS--AWARDS IN LAST FISCAL YEAR
 
<TABLE>
<CAPTION>
                                          PERFORMANCE   ESTIMATED FUTURE PAYOUTS
                                           OR OTHER               UNDER
                              NUMBER        PERIOD     NON-STOCK PRICE-BASED PLANS
                            OF SHARES,       UNTIL    -----------------------------
                             UNITS OR     MATURATION  THRESHOLD  TARGET    MAXIMUM
NAME                      OTHER RIGHTS(1)  OR PAYOUT   NUMBER    NUMBER    NUMBER
- ----                      --------------- ----------- --------- --------- ---------
                                                      (NUMBER OF PERFORMANCE UNITS)
<S>                       <C>             <C>         <C>       <C>       <C>
James J. O'Connor (CEO).     16,589.87    3 years(2)  8,294.94  16,589.87 33,179.74
Samuel K. Skinner.......      9,275.58    3 years(2)  4,637.79   9,275.58 18,551.16
Leo F. Mullin...........      9,275.58    3 years(2)  4,637.79   9,275.58 18,551.16
Thomas J. Maiman........      5,502.45    3 years(2)  2,751.23   5,502.45 11,004.90
Michael J. Wallace......      4,089.55    3 years(2)  2,044.78   4,089.55  8,179.10
</TABLE>
- ---------------------
(1) Long-term performance unit awards were initiated during 1994 to executive
    and group level employees under the Unicom Corporation Long-Term Incentive
    Plan. Under the awards described in the table, the number of units
    initially awarded to a participant is determined by dividing a portion of
    base salary (including income from current compensation units under
    Unicom's and ComEd's Deferred Compensation Unit Plans) (such portion being
    50% for Mr. O'Connor, 40% each for Messrs. Skinner, Mullin and Maiman and
    35% for Mr. Wallace) by $27.125. Payouts are based on the cumulative total
    shareholder return on Unicom common stock (assuming reinvestment of
    dividends) relative to that of the other companies comprising the Dow
    Jones Utility Stock Index over a three-year performance period ending
    December 31, 1999. The dollar value of a payout is determined by
    multiplying the number of units applicable to the level of performance
    achieved by the average closing price of Unicom common stock as reported
    in The Wall Street Journal as New York Stock Exchange Composite
    Transactions during the calendar quarter ending on December 31, 1999.
    Payments are to be made half in cash and half
 
                                      14
<PAGE>
 
   in the form of unrestricted shares of Unicom common stock. Effective with
   awards payable in 1996, a participant may elect to defer receipt of up to
   100% of the total award (net of applicable taxes) under the Unicom
   Corporation Stock Bonus Deferral Plan and receive, after such deferral, the
   deferred amount in the form of unrestricted shares of Unicom common stock.
   Notwithstanding the foregoing, no payouts are earned or made if the
   relative cumulative total shareholder return on Unicom common stock is
   lower than the 25th percentile; and the highest level of payout is reached
   when such relative return equals or exceeds the 90th percentile.
(2) Three-year period ending December 31, 1999.
 
SERVICE ANNUITY SYSTEM PLAN
 
  The following table sets forth the annual retirement benefits payable under
ComEd's Service Annuity System Plan (including payments under a supplemental
management retirement plan) to employees who retire at age 65 at stated levels
of compensation and years of service at retirement (in 1997).
 
<TABLE>
<CAPTION>
                              PENSION PLAN TABLE
- -------------------------------------------------------------------------------
       HIGHEST         ANNUAL NORMAL RETIREMENT BENEFITS AFTER SPECIFIED YEARS
       4-YEAR                                OF SERVICE*
       AVERAGE        ---------------------------------------------------------
      EARNINGS           15       20       25        30        35        40
     -----------      -------- -------- --------- --------- --------- ---------
<S>                   <C>      <C>      <C>       <C>       <C>       <C>
$  100,000........... $ 35,369 $ 45,905 $  55,800 $  65,217 $  74,275 $  83,066
   200,000...........   70,738   91,810   111,601   130,433   148,550   166,131
   300,000...........  106,107  137,715   167,401   195,650   222,825   249,197
   400,000...........  141,475  183,620   223,201   260,866   297,100   332,263
   500,000...........  176,844  229,526   279,002   326,083   371,374   415,328
   600,000...........  212,213  275,431   334,802   391,300   445,649   498,394
   700,000...........  247,582  321,336   390,603   456,516   519,924   581,460
   800,000...........  282,951  367,241   446,403   521,733   594,199   664,526
   900,000...........  318,320  413,146   502,203   586,949   668,474   747,591
 1,000,000...........  353,689  459,051   558,004   652,166   742,749   830,657
 1,100,000...........  389,058  504,956   613,804   717,382   817,024   913,723
 1,200,000...........  424,426  550,861   669,604   782,599   891,299   996,788
 1,300,000...........  459,795  596,767   725,405   847,816   965,573 1,079,854
 1,400,000...........  495,164  642,672   781,205   913,032 1,039,848 1,162,920
 1,500,000...........  530,533  688,577   837,005   978,249 1,114,123 1,245,985
 1,600,000...........  565,902  734,482   892,806 1,043,465 1,188,398 1,329,051
 1,700,000...........  601,271  780,387   948,606 1,108,682 1,262,673 1,412,117
 1,800,000...........  636,640  826,292 1,004,406 1,173,899 1,336,948 1,495,183
 1,900,000...........  672,009  872,197 1,060,207 1,239,115 1,411,223 1,578,248
 2,000,000...........  707,377  918,102 1,116,007 1,304,332 1,485,498 1,661,314
</TABLE>
- ---------------------
*  An employee may elect a marital annuity for a surviving spouse which would
   reduce the employee's normal retirement benefits. The amounts shown reflect
   certain assumptions as to total earnings, but do not reflect any reduction
   for Social Security benefits.
 
  Service Annuity System Plan--ComEd maintains a non-contributory Service
Annuity System Plan for all regular employees of ComEd. The Plan provides
benefits upon retirement at age 65 which are based upon years of credited
service and percentages of the employee's highest consecutive four-year
average annual base pay, which includes basic compensation and certain
incentive pay. An employee with at least 10 years of service may retire prior
to attaining age 65 (but not prior to age 50) and will receive reduced
benefits if retirement is prior to age 60. A non-executive employee may work
beyond age 65 with additional benefits accruing for earnings and service after
age 65. Contributions to the Plan by ComEd are based upon actuarial
determinations that take into account
 
                                      15
<PAGE>
 
the amount deductible for income tax purposes and the minimum contribution
required under the Employee Retirement Income Security Act of 1974, as amended.
Compensation used in the computation of annual retirement benefits under the
Plan is substantially equivalent to the amounts shown in the "Salary" and
"Bonus" columns under the "Annual Compensation" heading of the Summary
Compensation Table. The compensation used in the computation of annual
retirement benefits under the Plan is limited by the Internal Revenue Code as
of January 1, 1997 to $160,000 (which number is subject to adjustment for
increases in the cost of living) for any one employee. Any reduction in the
annual retirement benefits payable to management employees under the Plan as a
result of any limitations imposed by the Internal Revenue Code is restored
under a supplemental management retirement plan maintained by ComEd. Thus,
annual retirement benefits, as set forth in the Pension Plan Table above, are
based on the amounts shown in the "Salary" and "Bonus" columns under the
"Annual Compensation" heading of the Summary Compensation Table, without
limitation as a result of the application of the provisions of the Internal
Revenue Code. Credited years of service under the Plan for the persons named in
the Summary Compensation Table are as follows: James J. O'Connor, 33 years; Leo
F. Mullin, 1 year; Samuel K. Skinner, 4 years; Thomas J. Maiman, 31 years; and
Michael J. Wallace, 22 years.
 
EMPLOYMENT AGREEMENTS
 
  ComEd has an agreement with Samuel K. Skinner providing for an initial 1993
base salary of $490,000 per annum, an unfunded supplemental retirement benefit
and credit for ten years of service for purposes of determining eligibility for
certain post-retirement health care benefits. The supplemental retirement
benefit does not vest until the completion of five years of employment, unless
ComEd terminates Mr. Skinner's employment for reasons other than fraud or
willful misconduct; however, payment of a surviving spouse benefit will be made
if Mr. Skinner dies within such five years. The formula underlying the
supplemental retirement benefit provides a benefit, together with any benefits
payable under the Service Annuity System Plan and a social security supplement,
equal to one-third of Mr. Skinner's highest annual earnings during the
preceding five years, after five years of service, and increasing ratably
annually to one-half of such annual earnings after ten years. The agreement
also provides for a severance payment equal to two years of base salary,
payable over three years, and a three-year continuation of health and life
insurance benefits in the event that Mr. Skinner's employment is terminated by
ComEd for reasons other than death, fraud or willful misconduct. The severance
payment is subject to reduction to the extent that Mr. Skinner receives
compensation from another full-time employer during the payment period.
 
  ComEd entered into an employment agreement with Leo F. Mullin, pursuant to
which he became Vice Chairman of Unicom and ComEd on December 1, 1995. The
agreement provides that ComEd will pay Mr. Mullin an initial base salary of
$577,000 per annum. In addition, Mr. Mullin received a bonus upon commencement
of his duties of $275,000. The agreement provides that he will receive bonuses
on the same basis as any annual bonus paid to Unicom's and ComEd's Chairman or
President, or both, as determined by the Board of Directors. For calendar year
1996, Mr. Mullin was guaranteed a bonus of at least 50% of his base salary. He
was also awarded performance units making him eligible for payments under the
Unicom Corporation Long-Term Incentive Plan. Mr. Mullin's agreement also
provides for an unfunded supplemental retirement benefit pursuant to which he
will receive the annual retirement benefit that would have been payable under
the Service Annuity System Plan if he were to retire at age 60 with 20 years of
service plus one additional year for each year of actual employment. No such
benefit is payable until Mr. Mullin has completed five years of service, unless
ComEd terminates his employment for reasons other than death, fraud or willful
misconduct or Mr. Mullin terminates his employment as a result of certain
adverse actions taken by ComEd; however, payment of a surviving spouse benefit
will be made if Mr. Mullin dies within such five-year period. The agreement
further provides for a severance payment equal to two years of his then-current
base salary and most recent annual bonus, payable over three years, and a
three-year
 
                                       16
<PAGE>
 
continuation of health and life insurance benefits in the event that his
employment is terminated by ComEd for reasons other than death, fraud or
willful misconduct or in the event that he terminates his employment because
ComEd has reduced or failed to pay his salary or takes certain other actions.
The severance payment is subject to reduction in the event that Mr. Mullin
accepts other full-time employment during the payment period.
 
CORPORATE GOVERNANCE AND COMPENSATION COMMITTEE REPORT ON EXECUTIVE
COMPENSATION
 
  The Corporate Governance and Compensation Committee of the Board of
Directors of Unicom Corporation ("Unicom") and Commonwealth Edison Company
("ComEd") have furnished the following report on executive compensation:
 
  Introduction. It is the policy of the Committee to compensate executive
officers based on their responsibilities, their achievement of annual goals
and the Company's annual and long-term performance. The Committee believes
that compensation paid should be appropriate in relation to the financial
performance of the Company and should be sufficient to enable the Company to
attract and retain individuals possessing the talents required for the
Company's long-term successful performance. The Committee also believes that
the incentive compensation performance goals for executive management should
be based on factors over which management has significant control and which
are important to the Company's long-term success.
 
  In 1996, the major components of executive officer compensation were base
salary, consisting of cash salary and current compensation unit income, and
incentive compensation related to awards under the Unicom Corporation Long-
Term Incentive Plan (the "Incentive Plan").
 
  Base Salary. The process of determining the officers' base salary begins
with a review of the salary levels for various comparable executive positions
at twenty-three of the largest companies in the electric utility industry as
published in the 1995 Edison Electric Institute Executive Compensation Survey.
The Committee also considers the median levels of base salary for various
comparable positions among companies in the utility industry and in industry
generally. This information is used as a reference point due to the similarity
of the basic duties and responsibilities between such positions and positions
within the Company. Judgment is then applied to recognize differences in the
organization structure and responsibilities of executive officers of the
Company, in the size and complexity of the Company's operations, and in the
regulatory environment and competitive challenges faced by the Company. After
considering these various factors, the Committee approved, in December 1995,
base salary ranges for 1996 which were generally about 3% above 1995 levels.
 
  The base salary of each officer is set within the applicable range based on
a largely subjective assessment of the particular responsibilities and
performance of such officer following, in the case of officers other than the
Chairman, discussions with the Chairman regarding his recommendations. The
length of service and level of experience of each officer in his or her area
of responsibility are also considered. For 1996, the Committee approved
increases in cash salary for the executive officers averaging 3.2% of base
salary. Percentage increases for individual executive officers varied and were
structured, in part, to recognize changes in industry levels and to reflect
the performance and contributions of the individual officers.
 
  In 1996, most executive officers held current compensation units. Each such
unit entitles the holder to receive current income equal to the dividends paid
on one share of Unicom common stock. During 1996, the Committee awarded
compensation units to three recently hired executive officers in an effort to
provide a salary enhancement for these individuals in relation to competitive
positions elsewhere.
 
  With respect to compensation comparisons with other companies, it should be
noted that because of the differences, discussed above, between the Company
and others in the group of
 
                                      17
<PAGE>
 
twenty-three large utilities that participated in the 1995 Edison Electric
Institute Executive Compensation Survey, that group is not used in the
performance comparisons shown on page 20. The Dow Jones Utility Stock Index, a
well-known and widely-followed utility index comprising a broader array of
utility companies (including Unicom and nine of the other large utilities in
the Edison Electric Institute Survey), is used for those comparisons. A
comparison to the companies composing this Index is also used for measuring
performance for purposes of one of the incentive compensation awards discussed
below.
 
  Incentive Compensation Awards. The other component of executive compensation
is incentive compensation earned under awards made by the Committee under the
Incentive Plan. Such awards included an annual incentive award, a longer-term
award covering a three-year performance period and stock options.
 
  Annual incentive awards were established to encourage the achievement of
certain corporate and business unit goals during 1996. Award payouts were also
contingent on maintaining quarterly cash dividends of at least 40c per share,
limiting operation and maintenance expenses and capital expenditures to
specified levels, and achieving a minimum level of earnings per share. The
potential payouts were tied to base salary and varied depending on management
level and level of goal achievement. The varying payouts were established
based on subjective judgment with respect to the appropriate level of
incentive and award, considering degree of difficulty of the goals and degree
of responsibility of the different levels of management for achievement of the
goals.
 
  With respect to management employees other than Messrs. O'Connor, Mullin and
Skinner, corporate goals were established for the annual incentive award with
respect to Unicom's earnings per share and the amount by which ComEd's
operation and maintenance expenses were below budget. For purposes of
measuring achievement of such goals, the Committee provided for the exclusion
of certain items on grounds that it would not be appropriate to allow the
effects of such items to affect the measure of performance. As a result of
these adjustments, the earnings per share goals ranged from $3.24, to achieve
the minimum award level, to $3.39, to achieve the maximum award level, and the
operation and maintenance expense goals ranged from $1,998 million to $1,912
million, respectively. As so adjusted for purposes of the award, earnings per
share were $3.33 and operation and maintenance expenses were $2,019 million.
 
  With respect to Messrs. O'Connor, Mullin and Skinner, the annual incentive
award was based entirely upon the achievement of earnings per share goals for
Unicom. The earnings per share goals were set at $3.24, to achieve the minimum
award level, and $3.39, to achieve the maximum award level, and earnings were
adjusted in the same manner as described in the preceding paragraph. The level
of Unicom earnings as determined under this award was $3.33 per share.
 
  Longer-term incentive awards were initiated in 1994 to encourage an interest
in longer-term performance by keying incentive payouts to the total return
performance of Unicom common stock in relation to that of the other companies
constituting the Dow Jones Utility Stock Index over three-year performance
periods. Payments on such awards, as a percentage of base salary, increase
with the executive's management level. For the three-year performance period
that ended with 1996, Unicom stock performance was slightly above the 43rd
percentile among the stocks constituting the Dow Jones Utility Stock Index.
Resulting payments are included in the "Payouts" column under the "Long-Term
Compensation" heading in the Summary Compensation Table.
 
  Stock option awards were initiated in 1996 to reward and motivate the
Company's management to increase long-term shareholder value. The options
grant the holders the opportunity to purchase shares of the Company's Common
Stock at an exercise price equal to the market value on the date of grant, and
become exercisable in equal increments over a three-year period (subject to
acceleration in the event of a change in control of the Company). The options
have a maximum term
 
                                      18
<PAGE>
 
of ten years. Committee decisions with respect to the size of option grants
were based on an evaluation of competitive compensation data drawn from eleven
other utilities and ten non-utility companies similar to the Company as well
as the option recipient's base salary, management level and performance.
Option grants are made generally to key employees who are expected to
contribute materially to the Company's success.
 
  Compensation of the Chief Executive Officer. The Committee's assessment of
the Chairman and Chief Executive Officer's personal performance at the outset
of 1996, based upon a non-quantifiable evaluation of his leadership,
achievements and contributions to the Company during 1995, was very favorable.
Under Mr. O'Connor's leadership, the Company's financial performance in 1995
improved significantly over 1994 as evidenced by an increase in earnings per
share to $2.98 in 1995 from $1.66 in 1994. Notwithstanding this assessment,
and based on an assessment of competitive pay and in view of the Committee's
focus on incentive compensation, Mr. O'Connor's cash salary for 1996 remained
unchanged from its level in 1995. The Chairman's total base salary in 1996 was
$844,926 ($700,000 cash salary plus $144,926 in current compensation unit
income). The Committee's objective in structuring the Chairman's incentive
compensation was to encourage both short-term and longer-term actions to
benefit earnings per share and the cumulative return on Unicom's common stock.
The elements of these awards are described above.
 
  The Chairman's total compensation (cash salary, compensation unit income,
and incentive compensation) was $1,697,961 for 1996. The Committee believes,
based on available information, that both the absolute and relative levels of
compensation for 1996 were fully appropriate considering the size and
complexity of the Company's operations (the Company is one of the largest in
the comparison group of twenty-three electric utility companies), and also
considering the Committee's very favorable assessment of the Chairman's
performance in providing leadership to the Company, which achieved improved
financial performance in 1996. Earnings per share rose to $3.09 in 1996 from
$2.98 in 1995, and the improved performance resulted in an increase of $335
million in shareholders' equity.
 
  Internal Revenue Code Section 162(m) Considerations. Section 162(m) of the
Internal Revenue Code provides that executive compensation in excess of $1
million will not be deductible for purposes of corporate income taxes unless
it is performance-based compensation and is paid pursuant to a plan meeting
certain requirements of the Code. As noted in previous reports, the Committee
intends to continue reliance on performance-based compensation programs. Such
programs will be designed to fulfill, in the best possible manner, future
corporate business objectives. To the extent consistent with this goal, the
Committee currently anticipates that such programs will also be designed to
satisfy the requirements of Section 162(m) with respect to the deductibility
of compensation paid. The Committee believes that executive compensation
actually paid in respect of 1996 was deductible.
 
                                Corporate Governance and Compensation Committee
 
                      Jean Allard              Donald P. Jacobs
                      Edward A. Brennan        Edgar D. Jannotta
                      James W. Compton         George E. Johnson
                      Bruce DeMars             Edward A. Mason
                      Sue L. Gin               Frank A. Olson
 
 
                                      19
<PAGE>
 
SHAREHOLDER RETURN PERFORMANCE
 
  Set forth below is a line graph comparing the quarterly percentage change in
the cumulative total shareholder return on Unicom common stock ("UCM") against
the cumulative total return of the S&P 500 Composite Stock Index and the Dow
Jones Utility Stock Index for the five-year period ending December 31, 1996.
 
                  CUMULATIVE PERFORMANCE SINCE JANUARY 1, 1992
                       ASSUMING REINVESTMENT OF DIVIDENDS
 
                            (JANUARY 1, 1992 = $100)
 
<TABLE> 

                             [GRAPH APPEARS HERE]
 
               COMPARISON OF FIVE YEAR CUMULATIVE TOTAL RETURN
     AMONG UNICOM COMMON STOCK, S&P 500 INDEX AND DOW JONES UTILITY INDEX
 

<CAPTION> 
Measurement Period           UNICOM         S&P          DOW JONES
(Fiscal Year Covered)        COMMON STK*    500 INDEX    UTILITY INDEX
- ---------------------        -----------    ---------    -------------
<S>                          <C>            <C>          <C>  
Measurement Pt-
1/1/92                       $100           $100         $100
FYE 12/31/92                 $ 63           $108         $104     
FYE 12/31/93                 $ 81           $118         $114
FYE 12/31/94                 $ 74           $120         $ 97
FYE 12/31/95                 $107           $165         $128
FYE 12/31/96                 $ 94           $203         $140
</TABLE> 
 
- --------------------
*  Performance shown for Unicom common stock on and after
   September 1, 1994 and for ComEd Common Stock prior to that
   date.
 
                                       20
<PAGE>
 
                                    VOTING
 
  Shareholders of record on the books of ComEd at 4:00 p.m., Chicago time, on
March 31, 1997, will be entitled to vote at the annual meeting. As of March
31, 1997, there were outstanding 214,225,017 shares of Common Stock, par value
$12.50 per share (of which Unicom beneficially owned 214,217,564 shares),
68,741 shares of $1.425 Convertible Preferred Stock, without par value, and
15,996,324 shares of Cumulative Preference Stock, without par value. Each
share entitles the holder to one vote on each matter submitted to a vote at
the meeting, except that in the election of Directors each shareholder has the
right to vote the number of shares owned by such shareholder for as many
persons as there are Directors to be elected, or to cumulate such votes and
give one candidate as many votes as shall equal the number of Directors to be
elected multiplied by the number of such shares or to distribute such
cumulative votes in any proportion among any number of candidates. The holders
of a majority of the outstanding shares entitled to vote on a particular
matter and represented in person or by proxy will constitute a quorum for the
consideration of such matter at the meeting.
 
  The ten persons receiving the greatest number of votes shall be elected as
Directors. Abstaining for a Director nominee will not prevent such Director
nominee from being elected. The affirmative vote of a majority of the shares
of stock represented at the meeting and entitled to vote on such matter is
required for approval of Item B (the amendment and restatement of the Unicom
Corporation Long-Term Incentive Plan), Item C (the material terms of long-term
performance unit awards) and Item D (the appointment of Auditors). Abstaining
with respect to these matters will have the legal effect of voting against
such matter. UNICOM INTENDS TO VOTE ITS SHARES OF COMED COMMON STOCK FOR THE
ELECTION OF THE NOMINEES NAMED IN THIS INFORMATION STATEMENT AND FOR APPROVAL
OF THE OTHER ITEMS AS DESCRIBED ABOVE AND, CONSEQUENTLY, SUCH MATTERS ARE
EXPECTED TO BE APPROVED.
 
                 SHAREHOLDER PROPOSALS FOR 1998 ANNUAL MEETING
 
  Any shareholder proposal intended to be presented at the 1998 annual meeting
of ComEd's shareholders must be received at the principal executive offices of
ComEd by February 9, 1998, in order to be considered for inclusion in ComEd's
Information Statement relating to that meeting. Any such proposal should be
directed to the Secretary of ComEd located on the 37th Floor, First National
Bank Building, 10 South Dearborn Street, Chicago, Illinois. If mailed, it
should be sent to Secretary, Commonwealth Edison Company, 10 South Dearborn
Street, Post Office Box 767, Chicago, Illinois 60690-0767.
 
                                 OTHER MATTERS
 
  As of the date of this Information Statement, management knows of no matters
to be brought before the annual meeting other than the matters referred to in
this Information Statement.
 
  By order of the Board of Directors.
 
                                       David A. Scholz
                                       Secretary
 
April 9, 1997
 
A COPY OF COMED'S ANNUAL REPORT ON FORM 10-K TO THE SECURITIES AND EXCHANGE
COMMISSION MAY BE OBTAINED WITHOUT CHARGE BY WRITING TO DAVID A. SCHOLZ,
SECRETARY, COMMONWEALTH EDISON COMPANY, 10 SOUTH DEARBORN STREET, POST OFFICE
BOX 767, CHICAGO, ILLINOIS 60690-0767.
 
                                      21
<PAGE>
 
                                                                      EXHIBIT A
 
                              UNICOM CORPORATION
 
                 AMENDED AND RESTATED LONG-TERM INCENTIVE PLAN
 
                              ARTICLE I: PURPOSE
 
  The purposes of the Long-Term Incentive Plan (the "Plan") of Unicom
Corporation (the "Company") and its subsidiaries are (i) to align the
interests of the Company's stockholders and recipients of awards under the
Plan by increasing the proprietary interest of such recipients in the
Company's growth and success and (ii) to advance the interests of the Company
by attracting and retaining well-qualified persons by providing such persons
with performance-related incentives.
 
                            ARTICLE II: DEFINITIONS
 
  For purposes of the Plan, the following terms shall have the following
meanings:
 
    "Award" shall mean any form of stock option, stock appreciation right,
  stock award, performance shares, performance units or other stock-based
  award granted under this Plan.
 
    "Board" shall mean the Board of Directors of the Company.
 
    "Code" shall mean the Internal Revenue Code of 1986, as amended, or any
  successor legislation.
 
    "Committee" shall mean the Corporate Governance and Compensation
  Committee or such other committee of the Board as may be appointed from
  time to time by the Board consisting of two or more Directors, all of whom
  must qualify as disinterested persons within the meaning of Securities and
  Exchange Commission Regulation (S) 240.16b-3 or any successor regulation.
 
    "Common Stock" shall mean the Common Stock, without par value, of the
  Company.
 
    "Participant" shall mean an employee to whom an Award has been made
  pursuant to this Plan.
 
    "Subsidiary" shall mean any corporation of which the Company owns
  directly or indirectly 51% or more of the outstanding shares of stock
  entitled to vote for the election of directors and any partnership, joint
  venture or other enterprise with respect to which the Company owns a 51% or
  more interest and has the power to direct or cause the direction of the
  management and policies.
 
                           ARTICLE III: ELIGIBILITY
 
  Participants in the Plan shall consist of such employees of the Company and
its Subsidiaries as the Committee in its sole discretion may select from time
to time. The Committee's selection of a person to participate in the Plan in
any year shall not require the Committee to select such person to participate
in the Plan in any other year. No employee shall have the right to be selected
to participate in the Plan.
 
                         ARTICLE IV: SHARES AVAILABLE
 
  4.1 Shares. Subject to adjustment as provided in Section 4.2 of the Plan, an
aggregate of 4,000,000 shares of Common Stock shall be available for Awards
under the Plan, reduced by the sum of the aggregate number of shares of Common
Stock then subject to (i) outstanding stock options
 
                                      A-1
<PAGE>
 
and outstanding stock appreciation rights that are not related to a stock
option, (ii) outstanding Awards which may be exercised or selected solely in
shares of Common Stock and (iii) outstanding Awards which may be exercised or
settled either in shares of Common Stock or cash. To the extent (i) that an
outstanding stock option expires or terminates unexercised or is cancelled or
forfeited (other than in connection with the exercise of a related stock
appreciation right) or (ii) that an outstanding stock appreciation right that
is not related to a stock option or other outstanding Award, either of which
may be exercised or settled (A) solely in shares of Common Stock or (B) in
shares of Common Stock or cash, expires or terminates unexercised or is
cancelled or forfeited, then the shares of Common Stock subject to such
expired, unexercised, cancelled or forfeited portion of such Award shall again
be available for Awards under the Plan. In the event that all or a portion of
a stock appreciation right is exercised, the number of shares of Common Stock
subject to such right (or portion thereof) shall again be available for
issuance under the Plan, except to the extent that shares of Common Stock were
issued (or would have been issued but were withheld to satisfy tax withholding
obligations) upon exercise of the right. Stock appreciation rights and other
Awards which may be exercised or settled only in cash shall not affect the
number of shares of Common Stock available for Awards under the Plan.
 
  Shares of Common Stock to be delivered under the Plan shall be made
available from authorized and unissued shares of Common Stock, or authorized
and issued shares of Common Stock reacquired and held as treasury shares or
otherwise, or a combination thereof.
 
  4.2 Adjustment Provisions. In the event of any stock split, stock dividend,
recapitalization, reorganization, merger, consolidation, combination, exchange
of shares, liquidation, spin-off or other similar change in capitalization, or
any distribution to holders of Common Stock other than a cash dividend, the
number and class of shares available under the Plan, the number and class of
shares subject to each outstanding option and the purchase price per share,
the terms of each outstanding stock appreciation right, and the number and
class of shares subject to each other outstanding Award shall be appropriately
adjusted by the Committee, such adjustments to be made in the case of
outstanding stock options and stock appreciation rights without a change in
the aggregate purchase price or reference price.
 
                           ARTICLE V: ADMINISTRATION
 
  5.1 Administration and Interpretation. The Plan shall be administered and
interpreted by the Committee. The Committee shall have the authority to adopt,
alter and repeal such administrative rules, guidelines and practices governing
the Plan and perform all acts, including the delegation of its administrative
responsibilities, as it shall, from time to time, deem advisable; to construe
and interpret the terms and provisions of the Plan and any Award issued under
the Plan (and any notices or agreements relating thereto); and to otherwise
supervise the administration of the Plan. The Committee may correct any
defect, supply any omission or reconcile any inconsistency in the Plan or in
any notice of an Award or any agreement relating thereto in the manner and to
the extent it shall deem necessary to carry the Plan into effect. Any
decision, interpretation or other action made or taken in good faith by or at
the direction of the Committee (or any of its members) arising out of or in
connection with the Plan shall be within its absolute discretion and shall be
final, binding and conclusive on the Company and all employees and
Participants and their respective beneficiaries, heirs, executors,
administrators, successors and assigns.
 
  Neither the Committee nor any member thereof shall be liable for any act,
omission, interpretation, construction or determination made in connection
with the Plan in good faith, and the members of the Committee shall be
entitled to indemnification and reimbursement by the Company in respect of any
claim, loss, damage or expense (including attorney's fees) arising therefrom
to the full extent permitted by law and under any directors' and officers'
liability insurance that may be in
 
                                      A-2
<PAGE>
 
effect from time to time. In addition, no member of the Board and no employee
of the Company shall be liable for any act or failure to act hereunder, by any
other member or employee or by any agent to whom duties in connection with the
administration of this Plan have been delegated or, except in circumstances
involving a member's or employee's bad faith, gross negligence or fraud, for
any act or failure to act by the member or employee.
 
  A majority of the Committee shall constitute a quorum, and the acts of a
majority of the members present at any meeting at which a quorum is present,
or acts approved in writing by a majority of the Committee without a meeting,
shall be the acts of the Committee.
 
  5.2 Awards. The Committee shall have full authority to grant, pursuant to
the terms of the Plan, to employees: (i) stock options, (ii) stock
appreciation rights, (iii) stock awards, (iv) performance shares, (v)
performance units, and (vi) other stock-based awards. In particular, and
without limitation, the Committee shall have the authority:
 
    (a) to select the employees to whom Awards may from time to time be
  granted hereunder;
 
    (b) to determine the types of Awards, and combinations thereof, to be
  granted hereunder to employees and whether such Awards are to operate on a
  tandem basis and/or in conjunction with or apart from other awards made by
  the Company outside of this Plan;
 
    (c) to determine the number of shares of Common Stock or monetary units
  to be covered by each Award granted hereunder;
 
    (d) to determine the terms and conditions, not inconsistent with the
  terms of this Plan, of any Award granted hereunder (including, but not
  limited to, any restriction or limitation on exercise or transfer, any
  vesting schedule or acceleration thereof, or any forfeiture provisions or
  waiver thereof, regarding any Award and the shares of Common Stock relating
  thereto, based on such factors as the Committee shall determine, in its
  sole discretion);
 
    (e) to determine whether Common Stock and other amounts payable with
  respect to an Award under the Plan shall be deferred either automatically
  or at the election of the Participant; and
 
    (f) to modify or waive any restrictions or limitations contained in, and
  grant extensions to or accelerate the vesting of, any outstanding Awards as
  long as such modifications, waivers, extensions or accelerations are
  consistent with the terms of this Plan; but no such changes shall impair
  the rights of any Participant without his or her consent.
 
  An Award under the Plan shall be made in such manner and evidenced by such
means as the Committee shall determine, which may include, but shall not be
limited to, written agreements between the Company and the employee to whom
the Award is granted.
 
                           ARTICLE VI: STOCK OPTIONS
 
  6.1 Grants. Stock options may be granted alone or in addition to other
Awards granted under this Plan. Each stock option granted under this Plan
shall be of one of two types: (i) an "incentive stock option" within the
meaning of Section 422 of the Code (or any successor provision) or (ii) a non-
qualified stock option. The Committee shall have the authority to grant to any
employee one or more incentive stock options, non-qualified stock options, or
both types of stock options (in each case with or without stock appreciation
rights). No incentive stock options may be awarded after the tenth anniversary
of the date this Plan is adopted by the Board.
 
  6.2 Terms of Options. Stock options granted under this Plan shall be subject
to the following terms and conditions and shall be in such form and contain
such additional terms and conditions, not inconsistent with the terms of this
Plan, as the Committee shall deem desirable:
 
                                      A-3
<PAGE>
 
    (a) Exercise Price. The exercise price per share of Common Stock
  purchasable under a stock option shall be determined by the Committee at
  the time of grant but no incentive stock option shall have an exercise
  price less than 100% of the fair market value of the Common Stock at the
  option grant date.
 
    (b) Option Term. The term of each stock option shall be fixed by the
  Committee, but no incentive stock option shall be exercisable more than ten
  years after the date the option is granted.
 
    (c) Exercisability. Stock options shall be exercisable at such time or
  times and subject to such terms and conditions as shall be determined by
  the Committee.
 
    (d) Method of Exercise. An option may be exercised (i) by giving written
  notice to the Company specifying the number of whole shares of Common Stock
  to be purchased with the purchase price therefor to be payable in full
  either (A) in cash, (B) in previously owned whole shares of Common Stock
  (for which the holder of the option has good title free and clear of all
  liens and encumbrances) with their fair market value determined as of the
  date of exercise, (C) by authorizing the Company to retain whole shares of
  Common Stock which would otherwise be issuable upon exercise of the option
  with their fair market value determined as of the date of exercise, (D) in
  cash by a broker-dealer acceptable to the Company to whom the optionee has
  submitted an irrevocable notice of exercise, or (E) a combination of (A),
  (B) and (C), in each case to the extent determined by the Committee at the
  time of grant of the option, (ii) if applicable, by surrendering to the
  Company any stock appreciation rights or other Awards which are cancelled
  by reason of the exercise of the option and (iii) by executing such
  documents as the Company may reasonably request. No shares of Common Stock
  shall be issued until the full purchase price has been paid.
 
    (e) Termination of Employment by Death, Disability or Retirement. If a
  Participant's employment by the Company or a Subsidiary terminates by
  reason of the Participant's death, disability (as determined by the
  Committee) or retirement (as determined by the Committee), any outstanding
  stock option then held by such Participant shall remain exercisable, but
  only to the extent such option was exercisable on the date of such
  Participant's termination of employment, until the expiration of the term
  of such option. If on the date of such termination of employment, any such
  stock option shall not be fully exercisable, the Committee shall have the
  discretion to cause such stock option to continue to become exercisable on
  the date or dates specified therein as if such termination of employment
  had not occurred. The Committee may exercise the discretion granted to it
  by the preceding sentence at the time a stock option is granted or at any
  time thereafter while such stock option remains outstanding.
 
    (f) Other Termination of Employment. Unless otherwise determined by the
  Committee at or after grant, if a Participant's employment by the Company
  or a Subsidiary terminates for any reason other than the Participant's
  death, disability or retirement, the stock option shall terminate at such
  time as provided in the Award.
 
    (g) Buyout and Settlement Provisions. The Committee may at any time offer
  to buy out an option previously granted, based on such terms and conditions
  as the Committee shall establish and communicate to the Participant at the
  time that such offer is made.
 
    (h) Maximum Share Grant. The maximum number of shares that may be granted
  to a Participant in any particular five-year period shall not exceed
  500,000.
 
                    ARTICLE VII: STOCK APPRECIATION RIGHTS
 
  The Committee may grant stock appreciation rights to employees either alone
or in addition to stock options granted under Article VI. A stock appreciation
right shall entitle the holder thereof to receive upon exercise shares of
Common Stock, cash or a combination thereof with an aggregate value equal to
the excess of the fair market value of one share of Common Stock over the
reference
 
                                      A-4
<PAGE>
 
price of such stock appreciation right multiplied by the number of shares of
Common Stock subject to such stock appreciation right or portion thereof which
is exercised. Any stock appreciation right related to a non-qualified stock
option may be granted at the same time such option is granted or at any time
thereafter before exercise or expiration of such option. Any stock
appreciation right related to an incentive stock option shall be granted at
the same time such option is granted. In the case of any stock appreciation
right related to any option, the stock appreciation right or applicable
portion thereof shall terminate and no longer be exercisable upon the
termination or exercise of the related option, except that a stock
appreciation right granted with respect to less than the full number of shares
covered by a related option shall not be reduced until the exercise or
termination of the related option exceeds the number of shares not covered by
the stock appreciation right at the time of grant. Any option related to any
stock appreciation right shall no longer be exercisable to the extent the
related stock appreciation right has been exercised. The Committee may impose
such conditions or restrictions on the exercise of any stock appreciation
right as it shall deem appropriate. The maximum number of shares that may be
subject to stock appreciation rights granted to a Participant in any
particular five-year period shall not exceed 500,000.
 
                          ARTICLE VIII: STOCK AWARDS
 
  Restricted or unrestricted shares of Common Stock may be granted either
alone or in addition to other Awards granted under this Plan. The Committee
may grant Awards of Common Stock subject to the attainment of specified
performance goals, continued employment and such other limitations or
restrictions as the Committee may determine.
 
                        ARTICLE IX: PERFORMANCE SHARES
 
  Performance shares may be awarded either alone or in addition to other
Awards granted under this Plan and shall consist of the right to receive
Common Stock or cash of an equivalent value at the end of a specified
performance period. The Committee shall determine the employees to whom and
the time or times at which performance shares shall be awarded, the number of
performance shares to be awarded to any person, the duration of the period
during which, and the conditions under which, a Participant's rights to
performance shares will be vested and the receipt of the shares will be
deferred.
 
  The Committee may condition the grant of performance shares upon the
attainment of specified performance goals or such other factors or criteria as
the Committee shall determine.
 
                         ARTICLE X: PERFORMANCE UNITS
 
  Performance units may be awarded either alone or in addition to other Awards
granted under this Plan and shall consist of the right to receive a fixed
dollar amount, payable in cash or Common Stock or a combination of both. The
Committee shall determine the employees to whom and the time or times at which
performance units shall be awarded, the number of performance units to be
awarded to any person, the duration of the period during which, and the
conditions under which, a Participant's right to performance units will be
vested and the ability of Participants to defer the receipt of payment of such
performance units. The maximum number of performance units that may be granted
to a Participant in any one-year period shall not exceed 50,000.
 
  The Committee may condition the vesting of performance units upon the
attainment of specified performance goals or such other factors or criteria as
the Committee shall determine.
 
                                      A-5
<PAGE>
 
                     ARTICLE XI: OTHER STOCK-BASED AWARDS
 
  Other awards of Common Stock and cash awards that are valued in whole or in
part by reference to, or are payable in or otherwise based on, Common Stock
("other stock-based awards") including, without limitation, Awards valued by
reference to performance concepts, may be granted either alone or in addition
to or in tandem with stock options, stock appreciation rights, stock awards,
performance shares or performance units.
 
  Subject to the provisions of this Plan, the Committee shall have authority
to determine the persons to whom and the time or times at which such Awards
shall be made, the number of shares of Common Stock to be awarded pursuant to
such Awards, and all other conditions of such Awards.
 
                     ARTICLE XII: TERMINATION OR AMENDMENT
 
  Notwithstanding any other provision of this Plan, the Board may at any time,
and from time to time, amend, in whole or in part, any or all of the
provisions of this Plan, or suspend or terminate it entirely; provided,
however, that, unless otherwise required by law, the rights of a Participant
with respect to any Awards granted prior to such amendment, suspension or
termination, may not be impaired without the consent of such Participant; and,
provided further, no amendment may be made which would cause this Plan to lose
its exemption under Securities and Exchange Commission Regulation 240.16b-3 or
which would increase the number of shares of Common Stock available for Awards
under Section 4.1 of the Plan without shareholder approval.
 
                       ARTICLE XIII: GENERAL PROVISIONS
 
  13.1 Unfunded Status of Plan. This Plan is intended to be unfunded. With
respect to any payments as to which a Participant has a fixed and vested
interest but which are not yet made to a Participant by the Company, nothing
contained herein shall give any such Participant any rights that are greater
than those of a general creditor of the Company.
 
  13.2 No Right to Employment. Neither this Plan nor the grant of any Award
hereunder shall give any Participant or other employee any right with respect
to continuance of employment by the Company or any Subsidiary, nor shall they
be a limitation in any way on the right of the Company or any Subsidiary by
which an employee is employed to terminate his or her employment at any time.
 
  13.3 Other Plans. In no event shall the value of, or income arising from,
any Awards under this Plan be treated as compensation for purposes of any
pension, profit sharing, life insurance, disability or any other retirement or
welfare benefit plan now maintained or hereafter adopted by the Company or any
Subsidiary, unless such plan specifically provides to the contrary.
 
  13.4 Withholding of Taxes. The Company shall have the right to require,
prior to the issuance or delivery of any shares of Common Stock hereunder,
payment by the Participant of any federal, state, local or other taxes which
may be required to be withheld or paid in connection with an Award hereunder.
An Award agreement may provide that (i) the number of shares of Common Stock
issuable with respect to such Award shall be reduced by the amount necessary
to satisfy any such obligation or (ii) the Participant may satisfy any such
obligation by any of the following means: (A) a cash payment to the Company,
(B) delivery to the Company of previously owned whole shares of Common Stock
(for which the Participant has good title, free and clear of all liens and
encumbrances) having a fair market value determined as of the date the
obligation to withhold or pay taxes first arises in connection with an Award
(the "Tax Date"), (C) authorizing the Company to withhold from the shares of
Common Stock otherwise issuable to the Participant pursuant to an Award, a
number of
 
                                      A-6
<PAGE>
 
whole shares of Common Stock having a fair market value determined as of the
Tax Date or (D) any combination of the foregoing methods; provided, however,
that in the case of a Participant who is subject to Section 16 of the
Securities Exchange Act of 1934, as amended, the Company may require that the
method of satisfying such an obligation shall be in compliance with Section 16
and the rules and regulations thereunder. An Award agreement may not provide
for shares of Common Stock to be delivered or withheld having a fair market
value in excess of the amount determined by applying the Participant's maximum
marginal tax rate. Any fraction of a share of Common Stock which would be
required to satisfy such an obligation shall be disregarded and the remaining
amount due shall be paid in cash by the Participant. The Company may require
that any or all obligations to satisfy or pay taxes with respect to any Award
shall be satisfied or paid by the Participant prior to satisfaction of such
Award by the Company.
 
  13.5 No Assignment of Benefits. No Award or other benefit payable under this
Plan shall, except as otherwise specifically provided by this Plan or by law,
be transferable in any manner other than by will or the laws of descent and
distribution, and any attempt to transfer any such benefit shall be void. All
stock options, stock appreciation rights and performance shares may be
exercised or settled during the Participant's lifetime, only by the
Participant or his or her guardian, conservator or other legal representative.
Awards or other benefits payable under this Plan shall not in any manner be
subject to the debts, contracts, liabilities, engagements or torts of any
person who shall be entitled to such benefit, nor shall it be subject to
attachment or legal process for or against such person.
 
  13.6 Governing Law. This Plan and actions taken in connection herewith shall
be governed and construed in accordance with the laws of the State of Illinois
(without regard to applicable Illinois principles of conflict of laws).
 
  13.7 Construction. Wherever any words are used in this Plan in the masculine
gender, they shall be construed as though they were also used in the feminine
gender in all cases where they would so apply, and wherever any words are used
herein in the singular form, they shall be construed as though they were also
used in the plural form in all cases where they would so apply.
 
                          ARTICLE XIV: EFFECTIVE DATE
 
  This Plan, formerly the Commonwealth Edison Company 1993 Long-Term Incentive
Plan, which was assumed, adopted and amended by the Board on August 30, 1994
and approved by the shareholder of the Company on August 30, 1994, is
effective September 1, 1994.
 
                                      A-7
<PAGE>
 
                                                                      EXHIBIT B
 
 
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                       CONSOLIDATED FINANCIAL STATEMENTS
 
                       AS OF DECEMBER 31, 1996 AND 1995
 
 
 
 
 
 
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
  Certain portions of this document contain forward looking statements with
respect to the consequences of future events, including estimates of costs
associated with certain actions and outcomes. Unforeseen events or conditions
may require changes in the factors affecting such estimates and the projected
results thereof. Consequently, actual results could differ materially from the
estimates presented. See the last paragraph under the subheading "Liquidity
and Capital Resources--Construction Program" in "Management's Discussion and
Analysis of Financial Condition and Results of Operations" for additional
information regarding certain caveats affecting forward looking statements.
Forward looking information is contained in various sections of this report,
including, without limitation, (i) Note 1 of Notes to Financial Statements in
the third and fifth paragraphs under the subheading "Depreciation and
Decommissioning Costs" and "Management's Discussion and Analysis of Financial
Condition and Results of Operations" in the last paragraph under the
subheading "Regulation--Nuclear Matters," with respect to the estimated costs
of decommissioning nuclear generating stations, (ii) "Management's Discussion
and Analysis of Financial Condition and Results of Operations" under the
subheading "Liquidity and Capital Resources--Construction Program," regarding
ComEd's construction program budget, (iii) the fourth paragraph under the
subheading "Results of Operations--Operation and Maintenance Expenses" under
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" and (iv) the last paragraph in Note 21 of Notes to Financial
Statements, regarding cleanup costs associated with MGP and other remediation
sites.
 
                                     INDEX
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Definitions...............................................................   B-2
Summary of Selected Consolidated Financial Data...........................   B-3
Cash Dividends Paid Per Share of Common Stock.............................   B-3
1996 Consolidated Revenues and Sales......................................   B-3
Management's Discussion and Analysis of Financial Condition and Results of
 Operations...............................................................   B-4
Report of Independent Public Accountants..................................  B-16
Consolidated Financial Statements--
  Statements of Consolidated Income for the years 1996, 1995 and 1994.....  B-17
  Consolidated Balance Sheets--December 31, 1996 and 1995.................  B-18
  Statements of Consolidated Capitalization--December 31, 1996 and 1995...  B-20
  Statements of Consolidated Retained Earnings for the years 1996, 1995
   and 1994...............................................................  B-21
  Statements of Consolidated Cash Flows for the years 1996, 1995 and 1994.  B-22
  Notes to Financial Statements...........................................  B-23
Subsequent Events.........................................................  B-43
</TABLE>
 
                               ----------------
 
  REFERENCE IS MADE TO "SUBSEQUENT EVENTS" FOR CERTAIN RECENT INFORMATION THAT
SHOULD BE READ AND CONSIDERED IN CONNECTION WITH THE OTHER INFORMATION
CONTAINED IN THIS EXHIBIT B.
 
                                      B-1
<PAGE>
 
                                  DEFINITIONS
 
  The following terms are used in this document with the following meanings:
 
<TABLE>
<CAPTION>
         TERM                                         MEANING
- -----------------------  ------------------------------------------------------------------
<S>                      <C>
AFUDC                    Allowance for funds used during construction
AMT                      Alternative minimum tax
APB                      Accounting Principles Board
CERCLA                   Comprehensive Environmental Response, Compensation and Liability
                          Act of 1980, as amended
ComEd                    Commonwealth Edison Company
Cotter                   Cotter Corporation, which is a wholly-owned subsidiary of ComEd.
DOE                      U.S. Department of Energy
ESPP                     Employee stock purchase plan
FASB                     Financial Accounting Standards Board
FERC                     Federal Energy Regulatory Commission
FERC Order               FERC Open Access Order issued in April 1996
Fuel Matters Settlement  A settlement effected in November 1993 relating to various ICC
                          fuel reconciliation proceedings involving ComEd.
ICC                      Illinois Commerce Commission
Indiana Company          Commonwealth Edison Company of Indiana, Inc., which is a wholly-
                          owned subsidiary of ComEd.
ISO                      Independent System Operator
MGP                      Manufactured gas plant
NEIL                     Nuclear Electric Insurance Limited
NML                      Nuclear Mutual Limited
NRC                      Nuclear Regulatory Commission
Rate Matters Settlement  A settlement effected in November 1993 relating to various rate
                          proceedings involving ComEd.
Rate Order               ICC rate order issued in January 1995, as subsequently modified
Remand Order             ICC rate order issued in January 1993, as subsequently modified
SEC                      Securities and Exchange Commission
SFAS                     Statement of Financial Accounting Standards
Trust                    ComEd Financing I, which is a wholly-owned subsidiary trust of
                          ComEd.
Unicom                   Unicom Corporation
Unicom Enterprises       Unicom Enterprises Inc., which is a wholly-owned subsidiary of
                          Unicom.
Units                    ComEd's nuclear generating units known as Byron Unit 2 and
                          Braidwood Units 1 and 2
U.S. EPA                 U.S. Environmental Protection Agency
</TABLE>
 
                                      B-2
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
SUMMARY OF SELECTED CONSOLIDATED FINANCIAL DATA
 
<TABLE>
<CAPTION>
                                 1996    1995       1994       1993       1992
                                ------- -------    -------    -------    -------
                                 (MILLIONS OF DOLLARS EXCEPT PER SHARE DATA)
<S>                             <C>     <C>        <C>        <C>        <C>
Electric operating revenues...  $ 6,935 $ 6,910    $ 6,278    $ 5,260    $ 6,026
Net income....................  $   743 $   717(1) $   424    $   112(3) $   514
Earnings per common share.....  $  3.17 $  3.02(1) $  1.68    $  0.22(3) $  2.08
Cash dividends declared per
 common share.................  $  1.60 $  1.60    $  1.60(2) $  1.60    $  2.30
Total assets (at end of year).  $23,217 $23,119    $23,076    $24,380    $20,993
Long-term obligations at end
 of year excluding current
 portion:
 Long-term debt, preference
  stock and preferred
  securities subject to
  mandatory redemption
  requirements................  $ 6,376 $ 6,950    $ 7,745    $ 7,861    $ 7,913
 Accrued spent nuclear fuel
  disposal fee and related
  interest....................  $   657 $   624    $   590    $   567    $   549
 Capital lease obligations....  $   475 $   374    $   431    $   321    $   347
 Other long-term obligations..  $ 1,983 $ 1,819    $ 1,754    $ 1,718    $   666
</TABLE>
- --------
(1) Includes an extraordinary loss related to the early redemption of long-
    term debt of $20 million or $0.09 per common share.
(2) Excludes a special dividend (consisting of $40 million cash and the common
    stock of Unicom Enterprises Inc.) effected on September 1, 1994 in
    connection with the holding company corporate restructuring.
(3) Includes the cumulative effect of change in accounting for income taxes of
    $10 million or $0.05 per common share.
 
CASH DIVIDENDS PAID PER SHARE OF COMMON STOCK
 
<TABLE>
<CAPTION>
                                1996 (BY QUARTERS)        1995 (BY QUARTERS)
                             ------------------------- -------------------------
                             FOURTH THIRD SECOND FIRST FOURTH THIRD SECOND FIRST
                             ------ ----- ------ ----- ------ ----- ------ -----
<S>                          <C>    <C>   <C>    <C>   <C>    <C>   <C>    <C>
Cash dividends paid.........  40c    40c   40c    40c   40c    40c   40c    40c
</TABLE>
 
1996 CONSOLIDATED REVENUES AND SALES
 
<TABLE>
<CAPTION>
                          ELECTRIC   INCREASE/
                          OPERATING  (DECREASE) KILOWATTHOUR INCREASE/
                          REVENUES      OVER       SALES     (DECREASE)           INCREASE
                         (THOUSANDS)    1995     (MILLIONS)  OVER 1995  CUSTOMERS OVER 1995
                         ----------- ---------- ------------ ---------- --------- ---------
<S>                      <C>         <C>        <C>          <C>        <C>       <C>
Residential............. $2,541,873     (3.0)%     22,310       (4.3)%  3,102,101    0.7%
Small commercial and
 industrial.............  2,113,716      1.9%      25,131       (0.7)%    289,803    0.3%
Large commercial and
 industrial.............  1,445,708      1.4%      23,896        0.5%       1,550    0.7%
Public authorities......    503,004      3.3%       7,336        2.5%      12,142    0.9%
Electric railroads......     29,651     10.3%         424        8.7%           2    --
                         ----------                ------               ---------
Ultimate consumers...... $6,633,952      --        79,097       (1.1)%  3,405,598    0.7%
Sales for resale........    235,041                12,178                      44
Other revenues..........     65,554                   --                      --
                         ----------                ------               ---------
 Total.................. $6,934,547      0.4%      91,275       (0.1)%  3,405,642    0.7%
                         ==========                ======               =========
</TABLE>
 
                                      B-3
<PAGE>
 
                    MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 
CHANGES IN THE ELECTRIC UTILITY INDUSTRY
 
  Unicom and its predominant business, electric energy generation,
transmission and distribution, are in a period of fundamental change in the
manner in which customers obtain, and energy suppliers provide, energy
services. These changes are attributable to changes in technology, the
relaxation of regulatory barriers to utilities' respective service territories
as well as to efforts to change the manner in which electric utilities are
regulated. Federal law and regulations have been amended to provide for open
transmission system access, and various states are considering, or have
adopted, new regulatory structures to allow access by some or all customers to
energy suppliers in addition to the local utility.
 
  ComEd and other energy suppliers, energy customers and other interested
parties have been active participants in the discussions related to the
economic and technical issues associated with reform. As a result of these
efforts, legislation was introduced in Illinois during January 1997 which is
intended to provide both electric service providers and their customers with
an orderly transition to a less regulated market for electric service. Under
the legislative proposal, utilities would be granted a period in which to
offer direct access experiments that would allow them and customers to gain
experience with the effects of such access, with a requirement to provide such
access starting in 2000. Such a requirement would be phased-in to customers
over several years, starting with larger load customers. The legislation would
provide utilities with an opportunity to recover costs, which might not
otherwise be recoverable, in charges for electric service in a less regulated
market through, among other things, cost savings and a transition charge for
customers who use alternate suppliers of electric power and energy. The
legislation would provide for a leveling of certain regulatory oversight and
tax provisions among electric service providers in Illinois and would also
allow certain restructurings of utility operations in order to facilitate
their response to a competitive environment. The legislation would provide for
annual base rate decreases of 1.5 percent, starting in 2000 and continuing
through 2004. ComEd supports the proposed legislation and believes there is
support among a number of constituencies for its provisions. Other legislative
proposals have also been introduced for consideration, which contain different
provisions with respect to timing and cost recovery. The Governor of Illinois
has formed a three-person advisory committee to advise with respect to
electric utility deregulation issues. No assurance can be given as to when any
such legislation may be adopted or in what form it may be adopted.
 
  In response to changes in the industry, ComEd has implemented certain
customer initiatives designed to improve and strengthen customer relationships
and is undertaking an evaluation of its operations and assets, particularly
generating assets, with a view toward positioning itself for market and
industry changes. As discussed below, ComEd's actions to date have included a
five-year base rate cap, efforts to control expenditure growth through
personnel reductions, operational efficiencies and sales of generating plants.
Although ComEd's operating results and financial condition have historically
been affected by various rate proceedings, ComEd expects that these industry
changes, and ComEd's activities anticipating or responding to them, will
directly impact its operating results and financial condition over the next
several years.
 
  Electric Utility Industry. The electric utility industry has historically
consisted of vertically integrated companies which combine generation,
transmission and distribution assets; serving customers within relatively
defined service territories; and operating under extensive regulation with
respect to rates, operations and other matters. Utilities operated under a
regulatory compact with the state, with a statutory obligation to serve all of
the electricity needs within their service territory in a nondiscriminatory
manner. Historically investment and operating decisions have been made based
upon the utilities' respective assessment of those current and projected needs
of its customers. In view of this obligation, regulation has focused on
investment and operating costs, and rates have been
 
                                      B-4
<PAGE>
 
based on a recovery of some or all of such prudently incurred costs plus a
return on invested capital. Such rate regulation, and the ability of utilities
to recover investment and other costs through rates, has provided the basis
for recording certain costs as regulatory assets. These assets represent costs
which are allocated over future periods reflecting related regulatory
treatment, rather than expensed in the current period.
 
  As noted previously, the United States electric utility industry is in a
process of fundamental change as state legislators and regulators re-examine
their approach to regulation and its objectives and consider a transition to a
competitive or market-based system of pricing for electric energy. Although
the process and approach have varied from state to state in terms of the
elements and timing of implementation, it is evident that the question is no
longer if, but rather how and when there will be a more competitive
electricity market. The Federal Energy Policy Act of 1992, among other things,
empowered FERC to introduce a greater level of competition into the wholesale
marketplace for electric energy. In April 1996, the FERC Order was issued
requiring utilities to file open access tariffs with regard to their
transmission systems. These tariffs set forth the terms, including prices,
under which other parties and the utility's wholesale marketing function may
use the utility's transmission system. ComEd has filed an open access tariff
with the FERC. The FERC Order requires the separation of the transmission
operations and wholesale marketing functions so as to ensure that unaffiliated
third parties have access to the same information as to system availability
and other requirements. The FERC Order further requires utilities to operate
an electronic bulletin board to make transmission price and access data
available to all potential users. A key feature of the FERC Order is that it
contemplates full recovery of a utility's costs "stranded" by competition.
These costs are "stranded" or "strandable" to the extent market-based rates
would be insufficient to allow for their full recovery. To recover stranded
costs, the utility must show that it had a reasonable expectation that it
would continue to serve the customer in question under its regulatory compact.
 
  An important element of reform proposals under consideration is the ability
of other suppliers to provide energy in competition with a utility within its
service territory. This element generally has included consideration of some
future form of "retail wheeling," whereby a utility's transmission and
distribution system is made available to other energy suppliers for delivery
of their services to retail customers. In addition, some governmental
entities, such as cities, may elect to "municipalize" a utility's distribution
facilities through condemnation proceedings. Such municipalities would then be
able to purchase electric power on a wholesale basis and resell it to
customers over the newly acquired facilities. The FERC Order provides for the
recovery of a utility's investment stranded by municipalization. While
municipalization is possible under the present regulatory system, ComEd is not
required to grant alternative electric suppliers access to its distribution
system through any type of "retail wheeling."
 
  Presumably, under such a modified regulatory structure, customers will base
energy purchase decisions on a combination of factors, including price,
reliability and service. In addition to the potential effects on revenues and
marketing and sales efforts, such changes can raise the question as to whether
an affected utility's rates are based on cost-based regulation, allowing
recovery of incurred costs, or are based on something else, i.e., the
marketplace. Under generally accepted accounting principles, the latter
determination would require the write off of regulatory assets and liabilities
and would require an examination as to the recoverability in revenues of other
incurred costs, with any portion determined to be unrecoverable being subject
to write off. Various approaches have been proposed to deal with such
strandable costs, from full recovery, as provided in the FERC Order, to no
recovery, as proposed by at least some of the participants in virtually all
legislative debates on regulatory reform proposals. For additional
information, see "Regulatory Assets and Liabilities" in Note 1 of Notes to
Financial Statements.
 
                                      B-5
<PAGE>
 
  Retail wheeling and municipalization are significant issues for electric
utility companies, including ComEd, because of their potential to strand a
utility's costs. Without the development of a more fully competitive
marketplace, it is not possible to develop an estimate of strandable costs with
any degree of accuracy. Any calculation of potentially strandable costs
requires that a set of assumptions be made, including the timing of open access
(customer choice), the extent of open access allowed, potential market prices
over time, sales and load growth forecasts, operating performance over time,
allowed rates over time, cost structure over time, mitigation opportunities and
strandable cost recoveries. The calculation of strandable costs is extremely
sensitive to the assumptions made, and the resulting estimates are potentially
misleading if removed from the context in which they were calculated. At this
point in time, ComEd does not subscribe to a certain set of assumptions or a
particular estimate. The proposed legislation described above, which ComEd
supports, would provide utilities the opportunity to recover their stranded
costs, if any. However, ComEd believes the amount of its strandable costs could
be material without allowance for recovery of costs and investments it incurred
under its regulatory compact, including its duty to serve. Most reform
proposals anticipating increased competition include some form of stranded cost
recovery. ComEd is taking steps, such as cost-control measures, improving
generating station reliability and additional depreciation, to minimize its
potential stranded investment. See Note 2 of Notes to Financial Statements for
additional information.
 
  ComEd. ComEd is responding, and is undertaking a significant planning effort
with respect to further responses, to the developments within the utility
industry. During the past several years, such efforts have focused on cost
reductions, including personnel reductions, efficiencies in purchasing and
inventory management, and an incentive compensation system keyed to cost
reduction and control. Notwithstanding these efforts, ComEd's costs remain
high in comparison to its neighboring utilities.
 
  ComEd is examining its assets, particularly generating assets, with a view
toward rationalizing their investment and operating costs against their
ability to contribute to the revenues of ComEd under various market scenarios.
Such an assessment involves the consideration of numerous factors, including
revenue contribution, operating costs, impacts on ComEd's service obligations,
purchase commitments and remaining assets, and the impact of various options.
Such options include continued operation, indefinite suspension from
operation, sale to a third party and retirement. If ComEd retired a generating
plant, particularly a nuclear plant, without regulatory or legislative
provision for continued recovery of its investment, such retirement could have
a material impact on ComEd's and Unicom's financial position and results of
operations.
 
  On April 17, 1996, ComEd announced that it had finalized agreements to sell
two of its coal-fired generating stations, representing approximately 1,600
megawatts of generating capacity. Under the agreements, State Line and Kincaid
stations would be sold for a total of $250 million, which approximates the
book value of the stations. The net proceeds, after income tax effects, would
be approximately $200 million, which would be used to retire or redeem
existing debt. Under the terms of the sales, ComEd would enter into exclusive
15-year purchased power agreements for the output of the plants. The
agreements are subject to regulatory approval, and proceedings have been
initiated to obtain those approvals. Numerous parties have intervened in the
proceedings, including various governmental and consumer groups and ComEd's
principal union. The union has also filed a lawsuit in state court alleging
that the labor provisions of the Kincaid agreement are violative of state law
and seeking to enjoin the ICC proceedings. ComEd had previously filed an
action in federal court seeking confirmation that the state law is preempted
by federal labor law, and ComEd believes that the union's allegations are
without merit. These actions have now been consolidated and are pending in
federal court. The State Line and Kincaid agreements give the purchasers the
right to terminate the agreements if a closing has not occurred prior to
December 31, 1996 for State Line and June 30, 1997 for Kincaid. Such closing
has not occurred as of January 31, 1997.
 
  With respect to its transmission assets, ComEd is participating with
approximately 20 other electric utility companies in an effort to form an ISO
for the midwest United States. Under the structure currently contemplated, the
ISO would set standard transmission rates and facilitate compliance with the
FERC Order. In addition, while individual utility companies would continue to
own their
 
                                      B-6
<PAGE>
 
transmission lines, the ISO would oversee regional planning to avoid
transmission constraints. Creation of the ISO will be subject to further
negotiations among the parties as well as federal and state regulatory
approval.
 
  ComEd is also taking actions to strengthen its relationship with its
customers. On December 11, 1995, ComEd instituted a five-year base rate cap
for all of its customers. The base rate cap does not affect ComEd's fuel cost
or nuclear decommissioning cost recovery provisions. See Note 2 of Notes to
Financial Statements for additional information about ComEd's base rate cap
and other initiatives intended to give customers more choice and control over
the services they seek and the price they pay.
 
LIQUIDITY AND CAPITAL RESOURCES
 
  Construction Program. ComEd and the Indiana Company have a construction
program for the year 1997, which consists principally of improvements to their
existing nuclear and other electric production, transmission and distribution
facilities. It does not include funds to add new generating capacity to
ComEd's system. The program, as currently approved by ComEd, calls for
electric plant and equipment expenditures of approximately $982 million
(excluding nuclear fuel expenditures of approximately $322 million). It is
estimated that such construction expenditures, with cost escalation computed
at 3.5% annually, will be as follows:
<TABLE>
<CAPTION>
                                                                        1997
                                                                    ------------
                                                                    (MILLIONS OF
                                                                      DOLLARS)
   <S>                                                              <C>
   Production......................................................     $420
   Transmission and Distribution...................................      421
   General.........................................................      141
                                                                        ----
      Total........................................................     $982
                                                                        ====
</TABLE>
 
  Such construction program includes the replacement of the steam generators
at ComEd's Braidwood Unit 1 and Byron Unit 1 nuclear generating units expected
to be placed in service prior to year-end 1998. The estimated replacement cost
is approximately $460 million, including approximately $80 million for the
cost of removal of the existing steam generators. Approximately $130 million
of this estimated cost is included in the construction expenditures shown
above. Approximately $140 million has been incurred through December 31, 1996.
In addition, ComEd has continued to monitor the degradation of the steam
generators at its Zion nuclear generating station. Recent studies indicate
that the degradation is continuing and that replacement may be required sooner
than 2005. No amount has been included in ComEd's construction budget for
replacement of these steam generators, since ComEd has not decided whether or
when to effect a replacement. Based upon its experience with the replacement
activities at Braidwood and Byron, and depending on the timing of any
replacement at Zion, ComEd believes such cost could be approximately $435
million if a decision to replace is made.
 
  ComEd's forecasts of peak load indicate a need for additional resources to
meet demand, either through generating capacity, through equivalent purchased
power or through the development of additional demand-side management
resources, in 1998 and each year thereafter. However, it believes that
adequate resources, including cost-effective demand-side management resources,
non-utility generation resources and other utility power purchases, could be
obtained in sufficient quantities to meet such forecasted needs. If ComEd
instead were to build additional capacity to meet its needs, it would need to
make additional capital expenditures during 1997.
 
  Purchase commitments for ComEd and the Indiana Company, principally related
to construction and nuclear fuel, approximated $1,018 million at December 31,
1996. In addition, ComEd's estimated commitments for the purchase of coal are
indicated in the following table.
 
<TABLE>
<CAPTION>
      CONTRACT                                          PERIOD   COMMITMENT (1)
   --------------                                      --------- --------------
   <S>                                                 <C>       <C>
   Black Butte Coal Co................................ 1997-2000      $807
   Decker Coal Co..................................... 1997-2014      $582
   Big Horn Coal Co................................... 1998           $ 22
</TABLE>
  --------
  (1) In millions of dollars, excluding transportation costs. No estimate of
      future cost escalation has been made.
 
                                      B-7
<PAGE>
 
For additional information concerning these coal contracts and ComEd's fuel
supply, see "Results of Operations" below and Notes 1 and 21 of Notes to
Financial Statements.
 
  The foregoing paragraphs in this "Construction Program" section include
forward-looking statements with respect to the future levels of capital
expenditures which are necessarily based upon assumptions regarding estimated
costs and availability of materials and services as well as contingencies.
Unforeseen events or conditions may require changes in the scope of work with
consequent changes in the timing and level of the projected expenditures. In
addition, changes in laws and regulations, or their interpretation and
enforcement, can affect the scope of certain projects, the manner in which
they are undertaken and the costs associated therewith. While ComEd gives
consideration to such factors in developing its budgets, such consideration
cannot predict the course of future events or anticipate the interaction of
multiple factors beyond management's control upon project timing and cost.
Consequently, actual results could differ materially from those described.
 
  Capital Resources. ComEd forecasts that internal sources will provide more
than three-fourths of the funds required for ComEd's construction program and
other capital requirements, including nuclear fuel expenditures, contributions
to nuclear decommissioning funds, sinking fund obligations and refinancing of
scheduled debt maturities. See Notes 7 and 9 of Notes to Financial Statements
for the summaries of the annual sinking fund requirements and scheduled
maturities for ComEd preference stock and long-term debt, respectively. The
forecast assumes the rate levels reflected in the Rate Order remain in effect.
See "Regulation," subcaption "Rate Matters" below for additional information.
 
  The type and amount of external financing will depend on financial market
conditions and the needs and capital structure of ComEd at the time of such
financing. A portion of ComEd's financing is expected to be provided through
the continued sale and leaseback of nuclear fuel through ComEd's existing
nuclear fuel lease facility. See Note 18 of Notes to Financial Statements for
more information concerning ComEd's nuclear fuel lease facility. ComEd has
approximately $906 million of unused bank lines of credit at December 31, 1996
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
credit ratings of ComEd's outstanding first mortgage bonds or on a prime
interest rate. Collateral, if required for the borrowings, would consist of
first mortgage bonds issued under and in accordance with the provisions of
ComEd's mortgage. See Note 10 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 1996, 1995 and 1994.
 
  During 1996, ComEd sold and leased back approximately $317 million of
nuclear fuel through its existing nuclear fuel lease facility. In addition,
ComEd issued $199 million of pollution control obligations, the proceeds of
which were used to redeem an equivalent amount of other pollution control
obligations. In January 1997, ComEd issued $150 million principal amount of
7.375% Notes due January 15, 2004, $150 million principal amount of 7.625%
Notes due January 15, 2007 and $150 million principal amount of Company-
obligated preferred securities of subsidiary trust, the proceeds of which will
be used to discharge current maturities of long-term debt and to redeem on
March 11, 1997 $200 million principal amount of First Mortgage 9 1/2% Bonds,
Series 57, due May 1, 2016. See the Statements of Consolidated Cash Flows and
Note 4 of Notes to Financial Statements for information regarding common stock
activity.
 
  As of January 31, 1997, ComEd has an effective "shelf" registration
statement with the SEC for the future sale of up to an additional $505 million
of debt securities and cumulative preference stock for general corporate
purposes of ComEd, including the discharge or refund of other outstanding
securities.
 
                                      B-8
<PAGE>
 
  ComEd's securities and other securities guaranteed by ComEd are currently
rated by three principal securities rating agencies 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-    BBB-
      Preference stock.................................  baa3     BBB-    BBB-
      Company-obligated mandatorily redeemable 
       preferred securities of the Trust...............  baa3     BBB-    BBB-
      Commercial paper.................................  P-2      A-2     D-2
</TABLE>
 
  In January 1997, Moody's changed the rating outlook on ComEd's securities
from "stable" to "negative" and Duff & Phelps added ComEd's securities to
"Rating Watch--Down". As of January 1997, Standard & Poor's rating outlook on
ComEd remained "stable."
 
  Capital Structure. The ratio of long-term debt to total capitalization has
decreased to 46.1% at December 31, 1996 from 49.3% at December 31, 1995. This
decrease is related primarily to the retirement of long-term debt, the
increase in current maturities of long-term debt reclassified to current
liabilities and the increase in retained earnings.
 
REGULATION
 
  ComEd and the Indiana Company are subject to state and federal regulation in
the conduct of their respective businesses, including the operations of
Cotter. 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 operational and capital expenditures.
 
  Rate Matters. On January 9, 1995, the ICC issued its Rate Order in the
proceedings relating to ComEd's February 1994 rate increase request. The Rate
Order provided, among other things, for (i) an increase in ComEd's total
revenues of approximately $301.8 million (excluding add-on revenue taxes) or
5.2%, on an annual basis, including a $303.2 million increase in base rates,
(ii) the collection of municipal franchise costs on an individual municipality
basis through a rider, and (iii) the use of a rider, with annual review
proceedings, to pass on to ratepayers increases or decreases in estimated
costs associated with the decommissioning of ComEd's nuclear generating units.
See "Depreciation and Decommissioning" in Note 1 of Notes to Financial
Statements for additional information related to the level of decommissioning
cost collections. The ICC also determined that the Units were 100% "used and
useful" and that the previously determined reasonable costs of such Units, as
depreciated, should be included in full in ComEd's rate base. The rates
provided in the Rate Order became effective on January 14, 1995; however, they
are being collected subject to refund as a result of subsequent judicial
action. As of December 31, 1996, electric operating revenues of approximately
$651 million (excluding revenue taxes) are subject to refund. Intervenors and
ComEd have filed appeals of the Rate Order with the Illinois Appellate Court,
and oral argument was heard on January 28, 1997. See Note 2 of Notes to
Financial Statements for additional information.
 
  Nuclear Matters. Nuclear operations have been, and remain, an important
focus of ComEd--given the impact of such operations on overall operating and
maintenance expenditures and the ability of nuclear power plants to produce
electric energy at a relatively low marginal cost. ComEd operates a large
number of nuclear plants, ranging from the older Zion, Dresden and Quad Cities
stations to the more recently completed LaSalle, Byron and Braidwood stations,
and is intent upon safe, reliable and efficient operation. These plants were
constructed over a period of time in which technology, construction procedures
and regulatory initiatives and oversight have evolved, with the result that
older plants generally require greater attention and resources to meet
regulatory requirements and expectations as well as to maintain operational
reliability.
 
 
                                      B-9
<PAGE>
 
  On January 29, 1997, the NRC determined that ComEd's Dresden nuclear
generating station should remain on the NRC's list of plants to be monitored
closely, where it has been since being placed on that list in 1992. The NRC
also determined that ComEd's LaSalle and Zion nuclear generating stations
should be added to that list. Although in each case the NRC recognized that
ComEd had undertaken significant management changes and had accomplished a
number of performance improvements, it expressed concern with specific issues
at each station and expressed a general concern with the sustainability of
improvements as the basis for its determination. The determination does not
prevent ComEd from operating the generating units; however, it does mean that
the NRC will devote additional resources to monitoring ComEd's operating
performance and that ComEd will need to work to demonstrate to the NRC the
sustainability of improvements which it believes it has undertaken and is
continuing to implement.
 
  The NRC also took the unusual additional step of requiring ComEd to submit
information to allow the NRC to determine what actions, if any, should be
taken to assure that ComEd can safely operate its six nuclear generating
stations while sustaining performance improvement at each site. The request
also requires ComEd to submit information regarding the criteria that it has
established, or plans to establish, to measure performance and to explain
ComEd's proposed actions if the criteria are not met. The request states the
NRC staff's concerns with the "cyclical safety performance of ComEd nuclear
stations," noting the presence on the list of plants to be monitored closely
of Dresden, LaSalle and Zion stations at various times during the past ten
years. It also noted concerns regarding "ComEd's ability to establish lasting
and effective programs that result in sustained performance improvement." The
request does acknowledge the management and organizational changes implemented
by ComEd, including the "additional focus placed on management and leadership,
accountability, the problem identification and corrective action processes,
material condition improvement, work control, and radiation protection." It
also acknowledges improvements seen at Dresden and Quad Cities stations; but
indicated at the same time performance declines were observed at both LaSalle
and Zion stations. The operational problems identified by the NRC are
consistent with weaknesses identified in recent station self-assessments
initiated by ComEd; and management has undertaken to develop and implement
programs designed to address these issues. Consequently, ComEd's management
believes that it can provide sufficient information to the NRC demonstrating
ComEd's ability to operate its nuclear generating stations while sustaining
performance improvements.
 
  ComEd has devoted, and intends to continue to devote, significant resources
to the management and operation of its nuclear generating stations. Over the
past several years, it has increased and reinforced station management with
managers drawn from other utilities having experience with similar operational
and performance issues. It has also sought to identify, anticipate and address
operating and performance issues in a safe, cost-effective manner while
seeking to improve the availability and capacity factors of its nuclear
generating units. Such activities have included improvements in operating and
personnel procedures and repair and replacement of equipment and can result in
longer unit outages. In this regard, ComEd's management decided to continue
the present unit outages at its LaSalle station until the identified
performance issues have been appropriately addressed. ComEd presently expects
such outages to extend into the summer of 1997.
 
  Generating station availability and performance during a year may be issues
in fuel reconciliation proceedings in assessing the prudence of fuel and power
purchases during such year. Final ICC orders have been issued in fuel
reconciliation proceedings for years prior to 1994. In 1996, an intervenor
filed testimony in the fuel reconciliation proceeding for 1994 seeking a
refund of approximately $90 million relating to nuclear station performance.
 
  ComEd estimates that it will expend approximately $15.5 billion, excluding
any contingency allowance, for decommissioning costs primarily during the
period from 2007 through 2032. Such costs, which are estimated to aggregate
$3.9 billion in current-year (1997) dollars, are expected to be funded by
external decommissioning trusts which ComEd established in compliance with
Illinois law and into which ComEd has been making annual contributions. Future
decommissioning cost estimates may be
 
                                     B-10
<PAGE>
 
significantly affected by the adoption of or changes to NRC regulations as
well as changes in the assumptions used in making such estimates, including
changes in technology, available alternatives for the disposal of nuclear
waste, and inflation. See Note 1 of Notes to Financial Statements under
"Depreciation and Decommissioning" for additional information regarding
decommissioning costs.
 
  Environmental Matters. ComEd is involved in administrative and legal
proceedings concerning air quality, water quality and other matters. The
outcome of these proceedings may require increases in future construction
expenditures and operating expenses and changes in operating procedures. See
Note 21 of Notes to Financial Statements for additional information regarding
certain effects of CERCLA on ComEd.
 
RESULTS OF OPERATIONS
 
  Net Income on Common Stock. The 1996 results reflect, among other factors, a
1% decrease in overall operation and maintenance expenses as compared to 1995
and the positive effects of an income tax refund related to prior years (net
income effect of $26 million or $0.12 per common share) and a reduction in
real estate taxes (net income effect of $28 million or $0.13 per common
share). Approximately half of the reduction in real estate taxes is related to
the year 1995. The real estate tax reduction results primarily from ongoing
challenges by ComEd of the methodology used by local taxing authorities to
assess the value of ComEd's nuclear generating stations. The 1996 results also
reflect a 9% reduction in the total of interest expense on debt and dividend
requirements on preferred and preference stocks compared to 1995 largely due
to the early retirement of debt at the end of 1995. In September 1996, the ICC
approved ComEd's request to increase depreciation charges on its nuclear
generating units by $30 million for the year 1996, reducing net income by $20
million or $0.09 per common share.
 
  The 1995 results reflect higher revenues, primarily as a result of higher
kilowatthour sales, and the higher rate levels, which became effective in
January 1995 under the Rate Order. The higher kilowatthour sales reflect the
unusually hot summer weather in 1995. The 1995 results were also affected by
higher operation and maintenance expenses, which reflect an after-tax charge
of $59 million or $0.27 per common share for a voluntary employee separation
offer to certain ComEd employees. ComEd also recorded an after-tax charge of
$20 million or $0.09 per common share related to the early redemption of $645
million of long-term debt.
 
  The 1994 results reflect higher revenues as a result of the favorable
comparison to 1993 in which the effects of the Rate Matters Settlement and the
Fuel Matters Settlement were recorded. The 1994 results also reflect ComEd's
increased kilowatthour sales to ultimate consumers as the result of an
improving economy and warmer weather. The effects of these items were
partially offset by higher operation and maintenance expenses, which include
an after-tax charge of $20 million or $0.09 per common share for additional
pension costs related to an early retirement offer made to certain employees
during 1994. ComEd also recorded a reduction in the carrying value of its
investments in uranium-related properties in 1994, which reduced net income by
$34 million or $0.16 per common share.
 
  Operating Revenues. ComEd's electric operating revenues reflect revenues
from sales to ultimate consumers (including residential, commercial and
industrial customers within its service territory), revenues from sales for
resale (i.e., sales to wholesale customers, principally other electric
utilities), and revenues from collections under its fuel adjustment clause
(which is intended to recover ComEd's fuel cost for generating electric energy
and the energy portion of purchased power cost in relation to the amount
included in ComEd's base rates). Operating revenues are affected by
kilowatthour sales, rates and fuel adjustment clause recoveries. Kilowatthour
sales, in turn, are affected by weather, the level of economic activity within
ComEd's service area, and off-system or wholesale sales to other utilities.
Off-system sales opportunities are affected by a number of factors, including
nuclear generating availability and performance.
 
                                     B-11
<PAGE>
 
  During 1996, electric operating revenues increased $25 million principally
reflecting increased sales for resale and increased energy cost recoveries
under ComEd's fuel adjustment clause, although kilowatthour sales to ultimate
consumers were down 1.1% from the prior year due to the cooler summer weather
compared to the exceptionally hot summer in 1995. Operating revenues increased
$632 million in 1995, as compared to 1994, primarily due to an increase of
4.6% in kilowatthour sales to ultimate consumers attributable to the hot
summer weather as well as a rate increase that became effective in January
1995. Operating revenues increased $1,017 million in 1994, as compared to
1993, principally reflecting the favorable comparison to the prior year in
which the refunds associated with the Rate Matters Settlement and the Fuel
Matters Settlement were deducted from revenues, but also reflecting a 2.8%
increase in kilowatthour sales to ultimate consumers as a result of warmer
summer weather, colder winter weather and improved economic activity within
ComEd's service territory. The 1994 revenues were also affected by a decline
in the amount of energy costs recovered under the fuel adjustment clause.
Kilowatthour sales including sales for resale decreased 0.1% in 1996,
increased 7.3% in 1995 and decreased 3.0% in 1994.
 
  Fuel Costs. Changes in fuel expense for 1996, 1995 and 1994 primarily
resulted 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>
                                                         1996    1995    1994
                                                        ------  ------  ------
   <S>                                                  <C>     <C>     <C>
   Cost of fuel consumed (per million Btu):
    Nuclear...........................................   $0.53   $0.52   $0.53
    Coal..............................................   $2.41   $2.43   $2.31
    Oil...............................................   $3.41   $3.06   $2.89
    Natural gas.......................................   $2.75   $1.85   $2.27
    Average all fuels.................................   $1.17   $1.05   $1.08
   Net generation of electric energy (millions of
    kilowatthours)....................................  93,048  96,608  90,243
   Fuel sources of kilowatthour generation:
    Nuclear...........................................      67%     73%     71%
    Coal..............................................      30      24      25
    Oil...............................................       1      --       1
    Natural gas.......................................       2       3       3
                                                        ------  ------  ------
                                                           100%    100%    100%
                                                        ======  ======  ======
</TABLE>
 
  The decrease in nuclear generation as a percentage of total generation for
1996 compared to the prior years is primarily due to scheduled and non-
scheduled outages at certain of ComEd's nuclear generating stations.
 
  Under the Energy Policy Act of 1992, investor-owned electric utilities that
have purchased enrichment services from the DOE are being assessed amounts to
fund a portion of the cost for the decontamination and decommissioning of
uranium enrichment facilities owned and previously operated by the DOE.
ComEd's portion of such assessments is estimated to be approximately $15
million per year (to be adjusted annually for inflation) to 2007. The Act
provides that such assessments are to be treated as a cost of fuel. See Note 1
of Notes to Financial Statements under "Deferred Unrecovered Energy Costs" for
information related to the accounting for such costs.
 
  Fuel Supply. Compared to other utilities, ComEd has relatively low average
fuel costs as a result of its reliance predominantly on lower cost nuclear
generation. ComEd's coal costs, however, are high compared to those of other
utilities. ComEd's western coal contracts and its rail contracts for delivery
of the western coal provide for the purchase of certain coal at prices
substantially above currently prevailing market prices, and ComEd has
significant purchase commitments under its contracts. In addition, as of
December 31, 1996, ComEd had unrecovered fuel costs in the form of coal
reserves of
 
                                     B-12
<PAGE>
 
approximately $364 million. In prior years, ComEd's commitments for the
purchase of coal exceeded its requirements. Rather than take all the coal it
was required to take, ComEd agreed to purchase the coal in place in the form
of coal reserves. For additional information concerning ComEd's coal purchase
commitments, fuel reconciliation proceedings and coal reserves, see "Liquidity
and Capital Resources" above and Notes 1 and 21 of Notes to Financial
Statements.
 
  Purchased Power. Amounts of purchased power are primarily affected by system
load, the availability of ComEd and the Indiana 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>
                                                            1996   1995   1994
                                                            -----  -----  -----
   <S>                                                      <C>    <C>    <C>
   Kilowatthours (millions)................................ 6,129  2,475  2,071
   Cost per kilowatthour...................................  2.37c  2.60c  2.86c
</TABLE>
 
  Deferred Under or Overrecovered Energy Costs--Net. Operating expenses for
the years 1996, 1995 and 1994 reflect the net change in under or overrecovered
allowable energy costs under ComEd's fuel adjustment clause. See "Fuel Costs"
and "Fuel Supply" above and Note 1 of Notes to Financial Statements under
"Deferred Unrecovered Energy Costs."
 
  Operation and Maintenance Expenses. Operation and maintenance expenses
include the expenses associated with operating and maintaining ComEd's
generation, transmission and distribution assets as well as administrative
overhead and support. Given the variety of expense categories covered, there
are a number of factors which affect the level of such expenses within any
given year. Two major components of such expenses, however, are the costs
associated with operating and maintaining ComEd's fossil and nuclear
generating facilities. Generating station expenses are affected by the cost of
materials, regulatory requirements and expectations, the age of facilities as
well as cost control efforts.
 
  During the three years presented in the financial statements, the aggregate
level of operation and maintenance expenses decreased 1% in 1996 and increased
4% during 1995 and 2% during 1994. All three years include increases in the
level of generating station expenses, as discussed below. The year to year
variations reflect, in substantial part, the impact in 1995 of an early
separation program offered to ComEd's employees, which resulted in a $97
million charge related to the offered incentives. Additional factors in each
year also affected the level of operation and maintenance expenses.
 
  Operation and maintenance expenses associated with generating stations have
increased during the three year period as a result of activities associated
with the repair, replacement and improvement of generating facility equipment.
During 1996, 1995 and 1994, operation and maintenance expenses associated with
fossil generating stations increased $4 million, $3 million and $4 million,
respectively. In the same years, operation and maintenance expenses associated
with nuclear generating stations increased $88 million, $32 million and $9
million, respectively. During 1994, the increases were attributable to
scheduled maintenance and unplanned equipment repairs. In 1995, ComEd
increased the number and scope of maintenance activities associated with
generating stations. Such efforts are the result of station performance
evaluations performed to identify the sources and causes of unplanned
equipment repairs. The goal of such efforts is to design and implement cost
effective repairs and improvements to improve station availability. The
efforts begun in 1995 continued into 1996 and are expected to continue through
1998.
 
  The increase in operation and maintenance expenses associated with nuclear
generating stations has been driven by ComEd's objective to improve station
availability as well as to meet regulatory requirements and expectations.
ComEd is actively embarked upon a program to improve the quality of
 
                                     B-13
<PAGE>
 
nuclear operations, including safety and efficiency, which is also expected to
achieve a longer term goal of improved availability and to be positioned to
take advantage of opportunities in the wholesale market for revenue
generation. During the three years presented in the financial statements,
ComEd has increased and reinforced station management with managers drawn from
other utilities having experience with similar operating issues. It has also
sought to identify, anticipate and address nuclear station operating and
performance issues in a safe, cost-effective manner while seeking to improve
the availability and capacity factors of its nuclear generating units. Such
activities have included improvements in operating and personnel procedures
and repair and replacement of equipment, and can result in longer unit
outages. Such activities have involved increased maintenance and repair
expenses in recent years. ComEd expects 1997 overall operation and maintenance
expenses to increase by approximately $150 million over 1996 expenses.
Approximately $100 million of this increase is related to nuclear operations
and is intended to address previously identified operational issues (including
issues identified by the NRC in connection with its determination regarding
the plants to be monitored closely) and to achieve a longer term benefit of
improved capacity factors. ComEd expects this increased level of expenses to
continue through 1998.
 
  Operation and maintenance expenses associated with transmission and
distribution facilities increased $11 million in 1996 and decreased $3 million
and $18 million in 1995 and 1994, respectively. The 1996 increase reflects
higher maintenance expenses. The decreases in 1995 and 1994 reflect cost
control efforts. Costs of customer-related activities, including customer
assistance, energy sales services and uncollectible accounts, increased $17
million and $10 million in 1996 and 1995, respectively.
 
  Operation and maintenance expenses also include compensation and benefits
expenses. During the period from 1995 to 1996, ComEd undertook to reduce the
size of its workforce by offering incentives for employees to leave
voluntarily. Such incentives included both current payments and earlier
eligibility for post-retirement health care benefits, and resulted in 1995
provisions of $72 million for the payments and $25 million for the benefits
incentives and 1996 provisions of $8 million for payments and $4 million for
benefits incentives. ComEd also offered an early retirement program during
1994, which increased pension expense by approximately $34 million in that
year. During 1995 and 1996, charges related to post-retirement health care
benefits (after excluding the effects of the separation program) decreased $40
million and $12 million, respectively, primarily as a result of a plan
amendment effected in mid-1995 which required retired employee contributions
to the plan for the first time. Favorable experience also allowed the use of
lower health care cost trend rates, producing a lower charge for 1995 and
1996. During 1996, ComEd also recorded a reduction of $12 million in the
provisions for pension costs in 1996 as compared to 1995. Finally, operation
and maintenance expenses reflect $38 million, $65 million and $50 million for
employee incentive compensation plan costs in 1996, 1995 and 1994,
respectively. The payments, which were made partly in cash and partly in
shares of Unicom common stock, were made under Unicom's Long-Term Incentive
Plan as the result of the achievement during the indicated years of specified
financial performance, cost containment and operating performance goals.
Operation and maintenance expenses in 1996, 1995 and 1994 include
approximately $19 million, $16 million and $20 million, respectively, for wage
increases. The effects of inflation have also increased operation and
maintenance expenses during the years and are also reflected in the increases
and decreases discussed herein.
 
  Operation and maintenance expenses associated with certain administrative
and general costs decreased $11 million in 1995 and increased $12 million in
1994. The decrease in 1995 was due to a variety of reasons including a
decrease in expenses related to insurance, injuries and damages and the
provision for vacation pay liability. The increase in 1994 was primarily due
to increased provisions for injuries and damages and obsolete materials.
 
  Depreciation. Depreciation expense increased in 1996, 1995 and 1994 as a
result of additions to plant in service and an increase in the nuclear
depreciation rate for 1996. In September 1996, the ICC
 
                                     B-14
<PAGE>
 
approved ComEd's additional depreciative initiative for 1996, which increased
depreciation expense by $30 million in 1996. ComEd also continues to consider
the possibility of additional depreciation options. See "Depreciation and
Decommissioning" in Note 1 of Notes to Financial Statements and Note 2 of
Notes to Financial Statements for additional information.
 
  Interest on Debt. Changes in interest on long-term debt and notes payable
for the years 1996, 1995 and 1994 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 also reflected new issues of debt, the
retirement and early redemption 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>
                                                          1996    1995    1994
                                                         ------  ------  ------
   <S>                                                   <C>     <C>     <C>
   Long-term debt outstanding:
    Average amount (millions)..........................  $6,644  $7,528  $7,934
    Average interest rate..............................    7.67%   7.78%   7.83%
   Notes payable outstanding:
    Average amount (millions)..........................  $  230  $   51  $    9
    Average interest rate..............................    5.79%   6.40%   6.48%
</TABLE>
 
  Decommissioning. The staff of the SEC has questioned certain of the current
accounting practices of the electric utility industry, including ComEd,
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 FASB is reviewing the
accounting for nuclear decommissioning costs and issued an exposure draft in
February 1996 requesting written comment. If current electric utility industry
accounting practices for such decommissioning costs are changed, annual
provisions for decommissioning could increase and the estimated cost for
decommissioning could be recorded as a liability rather than as accumulated
depreciation. ComEd does not believe that such changes, if required, would
have an adverse effect on the results of operations due to its ability to
recover decommissioning costs through rates.
 
  Investments in Uranium-Related Properties. In 1994, ComEd recorded a
reduction in the carrying value of its investments in uranium-related
properties after completing a review of various alternatives and reassessing
the long-term recoverability of those investments. The effects of the
reduction reduced 1994 net income by $34 million or $0.16 per common share.
 
  Other Items. The amounts of AFUDC reflect changes in the average levels of
investment subject to AFUDC and changes in the average annual capitalization
rates as discussed in Note 1 of Notes to Financial Statements. AFUDC does not
contribute to the current cash flow of ComEd.
 
  The ratios of earnings to fixed charges for the years 1996, 1995 and 1994
were 2.90, 2.79 and 1.99, respectively. The ratios of earnings to fixed
charges and preferred and preference stock dividend requirements for the years
1996, 1995 and 1994 were 2.48, 2.39 and 1.73, 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
ComEd'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.
 
                                     B-15
<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, 1996 and 1995, and
the related statements of consolidated income, retained earnings, and cash
flows for each of the three years in the period ended December 31, 1996. 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 ofDecember 31, 1996 and 1995, and the
results of their operations and their cash flows for each of the three years
in the period ended December 31, 1996, in conformity with generally accepted
accounting principles.
 
                                          Arthur Andersen LLP
 
Chicago, Illinois
January 31, 1997
 
                                     B-16
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                       STATEMENTS OF CONSOLIDATED INCOME
 
  The following Statements of Consolidated Income for the years 1996, 1995 and
1994 reflect the results of past operations and are not intended as any
representation as to results of operations for any future period. Future
operations will necessarily be affected by various and diverse factors and
developments, including changes in electric rates, population, business
activity, competition, taxes, environmental control, energy use, fuel supply,
cost of labor, fuel, purchased power and other matters, the nature and effect
of which cannot now be determined.
 
<TABLE>
<CAPTION>
                                              1996        1995        1994
                                           ----------  ----------  ----------
                                            (THOUSANDS EXCEPT PER SHARE DATA)
<S>                                        <C>         <C>         <C>
Electric Operating Revenue................ $6,934,547  $6,909,786  $6,277,521
                                           ----------  ----------  ----------
Electric Operating Expenses and Taxes:
 Fuel..................................... $1,167,039  $1,089,841  $1,049,853
 Purchased power..........................    145,299      64,378      59,123
 Deferred (under)/overrecovered energy
  costs--net..............................     (9,184)     (2,732)      1,940
 Operation................................  1,496,175   1,597,964   1,525,258
 Maintenance..............................    652,495     566,749     561,320
 Depreciation.............................    951,863     897,305     887,432
 Recovery of regulatory assets............     15,272      15,272      15,453
 Taxes (except income)....................    782,668     832,026     787,796
 Income taxes--
   Current--Federal.......................    265,325     257,083     158,301
   --State................................     74,192      87,138       1,913
   Deferred--Federal--net.................    140,122     172,403     104,290
   --State--net...........................     16,141      15,605      65,017
 Investment tax credits deferred--net.....    (33,378)    (28,710)    (28,757)
                                           ----------  ----------  ----------
                                           $5,664,029  $5,564,322  $5,188,939
                                           ----------  ----------  ----------
Electric Operating Income................. $1,270,518  $1,345,464  $1,088,582
                                           ----------  ----------  ----------
Other Income and (Deductions):
 Interest on long-term debt............... $ (509,898) $ (585,806) $ (621,225)
 Interest on notes payable................    (13,308)     (3,280)       (557)
 Allowance for funds used during
  construction--
   Borrowed funds.........................     19,426      11,137      18,912
   Equity funds...........................     20,776      13,129      22,628
 Income taxes applicable to nonoperating
  activities..............................      7,812       5,085      27,074
 Interest and other costs for 1993
  Settlements.............................        --          (61)    (21,464)
 Provision for dividends on company-
  obligated mandatorily redeemable
  preferred securities of subsidiary
  trust...................................    (16,960)     (4,428)        --
 Miscellaneous--net.......................    (34,998)    (44,064)    (90,004)
                                           ----------  ----------  ----------
                                           $ (527,150) $ (608,288) $ (664,636)
                                           ----------  ----------  ----------
Net Income Before Extraordinary Item...... $  743,368  $  737,176  $  423,946
Extraordinary Loss Related to Early
 Redemption of Long-Term Debt, Less
 Applicable Income Taxes..................        --      (20,022)        --
                                           ----------  ----------  ----------
Net Income................................ $  743,368  $  717,154  $  423,946
Provision for Dividends on Preferred and
 Preference Stocks........................     64,424      69,961      64,927
                                           ----------  ----------  ----------
Net Income on Common Stock................ $  678,944  $  647,193  $  359,019
                                           ==========  ==========  ==========
Average Number of Common Shares
 Outstanding..............................    214,205     214,193     214,008
Earnings Per Common Share Before
 Extraordinary Item ...................... $     3.17  $     3.11  $     1.68
Extraordinary Loss Related to Early
 Redemption of Long-Term Debt, Less
 Applicable Income Taxes..................        --        (0.09)        --
                                           ----------  ----------  ----------
Earnings Per Common Share................. $     3.17  $     3.02  $     1.68
                                           ==========  ==========  ==========
</TABLE>
 
  The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
                                     B-17
<PAGE>
 
              COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                          CONSOLIDATED BALANCE SHEETS
 
<TABLE>
<CAPTION>
                                                            DECEMBER 31
                                                      ------------------------
                       ASSETS                            1996         1995
                       ------                         -----------  -----------
                                                      (THOUSANDS OF DOLLARS)
<S>                                                   <C>          <C>
Utility Plant:
  Plant and equipment, at original cost (includes
   construction work in progress of $1,034 million
   and $1,105 million, respectively)................. $27,900,632  $27,052,778
  Less--Accumulated provision for depreciation.......  11,479,991   10,565,093
                                                      -----------  -----------
                                                      $16,420,641  $16,487,685
  Nuclear fuel, at amortized cost....................     805,623      734,667
                                                      -----------  -----------
                                                      $17,226,264  $17,222,352
                                                      -----------  -----------
Investments:
  Nuclear decommissioning funds...................... $ 1,456,360  $ 1,237,527
  Subsidiary companies...............................     118,188      113,657
  Other investments, at cost.........................      14,903       20,478
                                                      -----------  -----------
                                                      $ 1,589,451  $ 1,371,662
                                                      -----------  -----------
Current Assets:
  Cash............................................... $        89  $       972
  Temporary cash investments.........................      28,801       14,138
  Special deposits...................................       1,610        3,546
  Receivables--
    Customers........................................     568,155      579,861
    Taxes............................................         --        75,536
    Other............................................     103,243       82,824
    Provisions for uncollectible accounts............     (12,893)     (11,828)
  Coal and fuel oil, at average cost.................     140,362      129,176
  Materials and supplies, at average cost............     324,485      333,539
  Deferred unrecovered energy costs..................     104,651       46,028
  Deferred income taxes related to current assets and
   liabilities.......................................     119,917      107,931
  Prepayments and other..............................      35,315       44,661
                                                      -----------  -----------
                                                      $ 1,413,735  $ 1,406,384
                                                      -----------  -----------
Deferred Charges and Other Noncurrent Assets:
  Regulatory assets.................................. $ 2,434,807  $ 2,467,386
  Unrecovered energy costs...........................     444,009      588,152
  Other..............................................     108,834       63,124
                                                      -----------  -----------
                                                      $ 2,987,650  $ 3,118,662
                                                      -----------  -----------
                                                      $23,217,100  $23,119,060
                                                      ===========  ===========
</TABLE>
 
   The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
                                      B-18
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                          CONSOLIDATED BALANCE SHEETS
 
<TABLE>
<CAPTION>
                                                              DECEMBER 31
                                                        -----------------------
            CAPITALIZATION AND LIABILITIES                 1996        1995
            ------------------------------              ----------- -----------
                                                        (THOUSANDS OF DOLLARS)
<S>                                                     <C>         <C>
Capitalization (see accompanying statements):
  Common stock equity.................................. $ 6,043,093 $ 5,706,130
  Preferred and preference stocks without mandatory
   redemption requirements.............................     507,342     508,034
  Preference stock subject to mandatory redemption 
   requirements........................................     217,901     261,475
  Company-obligated mandatorily redeemable preferred
   securities of subsidiary trust*.....................     200,000     200,000
  Long-term debt.......................................   5,957,604   6,488,434
                                                        ----------- -----------
                                                        $12,925,940 $13,164,073
                                                        ----------- -----------
Current Liabilities:
  Notes payable--
   Commercial paper.................................... $   121,000 $   261,000
   Bank loans..........................................       7,750       7,150
  Current portion of long-term debt, redeemable prefer-
   ence stock and capitalized lease obligations........     743,528     433,299
  Accounts payable.....................................     478,876     614,283
  Accrued interest.....................................     166,862     170,284
  Accrued taxes........................................     182,366     215,965
  Dividends payable....................................     101,216     102,192
  Customer deposits....................................      51,585      44,521
  Other................................................      98,444      93,841
                                                        ----------- -----------
                                                        $ 1,951,627 $ 1,942,535
                                                        ----------- -----------
Deferred Credits and Other Noncurrent Liabilities:
  Deferred income taxes................................ $ 4,568,832 $ 4,506,704
  Accumulated deferred investment tax credits..........     655,662     689,041
  Accrued spent nuclear fuel disposal fee and related
   interest............................................     657,449     624,191
  Obligations under capital leases.....................     474,841     373,697
  Regulatory liabilities...............................     668,301     601,002
  Other................................................   1,314,448   1,217,817
                                                        ----------- -----------
                                                        $ 8,339,533 $ 8,012,452
                                                        ----------- -----------
Commitments and Contingent Liabilities (Note 21)
                                                        $23,217,100 $23,119,060
                                                        =========== ===========
</TABLE>
 
  *As described in Note 8 of Notes to Financial Statements, the sole asset of
ComEd Financing I, a subsidiary trust of ComEd, is $206.2 million principal
amount of ComEd's 8.48% subordinated deferrable interest notes due September
30, 2035.
 
  The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
                                     B-19
<PAGE>
 
              COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   STATEMENTS OF CONSOLIDATED CAPITALIZATION
 
<TABLE>
<CAPTION>
                                                          DECEMBER 31
                                                    ------------------------
                                                       1996         1995
                                                    -----------  -----------
                                                    (THOUSANDS OF DOLLARS)
<S>                                                 <C>          <C>
Common Stock Equity:
  Common stock, $12.50 par value per share--
   Outstanding--214,218,454 shares and
    214,194,950 shares, respectively............... $ 2,677,731  $ 2,677,437
  Premium on common stock and other paid-in
   capital.........................................   2,223,396    2,223,004
  Capital stock and warrant expense................     (15,990)     (16,159)
  Retained earnings................................   1,157,956      821,848
                                                    -----------  -----------
                                                    $ 6,043,093  $ 5,706,130
                                                    -----------  -----------
Preferred and Preference Stocks Without
 Mandatory Redemption Requirements:
  Preference stock, cumulative, without par
   value--
   Outstanding--13,499,549 shares.................. $   504,957  $   504,957
  $1.425 convertible preferred stock,
   cumulative, without par value--
   Outstanding--75,003 shares and 96,753
    shares, respectively...........................       2,385        3,077
  Prior preferred stock, cumulative, $100 par
   value per share--
   No shares outstanding...........................         --           --
                                                    -----------  -----------
                                                    $   507,342  $   508,034
                                                    -----------  -----------
Preference Stock Subject to Mandatory Redemption
 Requirements:
  Preference stock, cumulative, without par
   value--
   Outstanding--2,496,775 shares and
    2,934,990 shares, respectively................. $   248,589  $   292,163
  Current redemption requirements for
   preference stock included in current
   liabilities.....................................     (30,688)     (30,688)
                                                    -----------  -----------
                                                    $   217,901  $   261,475
                                                    -----------  -----------
Company-Obligated Mandatorily Redeemable
 Preferred Securities of Subsidiary Trust:
  Outstanding--8,000,000........................... $   200,000  $   200,000
                                                    -----------  -----------
Long-Term Debt:
  First mortgage bonds:
    Maturing 1996 through 2001--5 1/4% to 9
     3/8%.......................................... $ 1,120,000  $ 1,270,000
    Maturing 2002 through 2011--4.20% to 8
     3/8%..........................................   1,640,400    1,465,400
    Maturing 2012 through 2021--5.85% to 9
     7/8%..........................................   1,391,000    1,391,000
    Maturing 2022 through 2023--7 3/4% to 8
     5/8%..........................................   1,160,000    1,160,000
                                                    -----------  -----------
                                                    $ 5,311,400  $ 5,286,400
  Sinking fund debentures, due 1999 through
   2011--2 3/4% to 7 5/8%..........................     105,164      110,505
  Pollution control obligations, due 2004
   through 2014--4.10% to 6 7/8%...................     142,200      317,200
  Other long-term debt.............................     986,932    1,064,318
  Current maturities of long-term debt
   included in current liabilities.................    (538,534)    (234,893)
  Unamortized net debt discount and premium........     (49,558)     (55,096)
                                                    -----------  -----------
                                                    $ 5,957,604  $ 6,488,434
                                                    -----------  -----------
                                                    $12,925,940  $13,164,073
                                                    ===========  ===========
</TABLE>
 
   The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
                                     B-20
<PAGE>
 
              COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                  STATEMENTS OF CONSOLIDATED RETAINED EARNINGS
 
<TABLE>
<CAPTION>
                                                    1996       1995      1994
                                                 ---------- ---------- --------
                                                     (THOUSANDS OF DOLLARS)
<S>                                              <C>        <C>        <C>
Balance at Beginning of Year.................... $  821,848 $  517,335 $549,152
Add--Net income.................................    743,368    717,154  423,946
                                                 ---------- ---------- --------
                                                 $1,565,216 $1,234,489 $973,098
                                                 ---------- ---------- --------
Deduct--
  Dividends declared on--
    Common stock................................ $  342,732 $  342,710 $390,281
    Preferred and preference stocks.............     64,096     66,855   65,381
  Other capital stock transactions--net.........        432      3,076      101
                                                 ---------- ---------- --------
                                                 $  407,260 $  412,641 $455,763
                                                 ---------- ---------- --------
Balance at End of Year.......................... $1,157,956 $  821,848 $517,335
                                                 ========== ========== ========
</TABLE>
 
 
 
   The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
                                      B-21
<PAGE>
 
              COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                     STATEMENTS OF CONSOLIDATED CASH FLOWS
 
<TABLE>
<CAPTION>
                                            1996         1995         1994
                                         -----------  -----------  -----------
                                               (THOUSANDS OF DOLLARS)
<S>                                      <C>          <C>          <C>
Cash Flow From Operating Activities:
 Net income............................. $   743,368  $   717,154  $   423,946
 Adjustments to reconcile net income to
  net cash provided by operating
  activities:
   Depreciation and amortization........     988,944      948,683      929,325
   Deferred income taxes and investment
    tax credits--net....................     124,857      158,296      127,186
   Extraordinary loss related to early
    redemption of long-term debt........         --        33,158          --
   Equity component of allowance for
    funds used during construction......     (20,776)     (13,129)     (22,628)
   Provisions for revenue refunds and
    related interest....................         --           --        37,548
   Revenue refunds and related interest.         --        15,135   (1,221,650)
   Recovery of regulatory assets........      15,272       15,272       15,453
   Provisions/(payments) for liability
    for early retirement and separation
    costs--net..........................     (29,888)      60,713       33,580
   Net effect on cash flows of changes
    in:
     Receivables........................      67,888     (169,211)     114,935
     Coal and fuel oil..................     (11,186)     (20,304)       2,880
     Materials and supplies.............       9,053       51,073       18,102
     Accounts payable excluding nuclear
      fuel lease principal payments and
      early retirement and separation
      costs--net........................     110,437      465,475      118,190
     Accrued interest and taxes.........     (37,021)      (5,765)      72,827
     Other changes in certain current
      assets and liabilities............      13,765       26,555      (52,862)
   Other--net...........................     105,543      145,591      123,915
                                         -----------  -----------  -----------
                                         $ 2,080,256  $ 2,428,696  $   720,747
                                         -----------  -----------  -----------
Cash Flow From Investing Activities:
 Construction expenditures.............. $  (949,871) $  (899,366) $  (720,602)
 Nuclear fuel expenditures..............    (281,833)    (289,118)    (257,264)
 Equity component of allowance for
  funds used during construction........      20,776       13,129       22,628
 Contributions to nuclear
  decommissioning funds.................    (119,281)    (132,653)    (132,550)
 Other investments and special 
  deposits..............................         (52)      19,599      622,264
                                         -----------  -----------  -----------
                                         $(1,330,261) $(1,288,409) $  (465,524)
                                         -----------  -----------  -----------
Cash Flow From Financing Activities:
 Issuance of securities--
   Long-term debt....................... $   198,902  $       --   $   546,289
   Preferred securities of subsidiary
    trust...............................         --       200,000          --
   Capital stock........................         669          112       83,904
 Retirement and redemption of securi-
  ties--
   Long-term debt.......................    (431,985)  (1,137,272)    (703,930)
   Capital stock........................     (44,513)     (17,935)     (23,643)
 Deposits and securities held for 
  retirement and redemption of 
  securities............................         --           106        3,191
 Premium paid on early redemption of
  long-term debt........................         --       (25,823)      (4,564)
 Cash dividends paid on capital stock...    (424,764)    (414,385)    (446,342)
 Proceeds from sale/leaseback of 
  nuclear fuel..........................     316,617      193,215      306,649
 Nuclear fuel lease principal payments..    (211,741)    (237,845)    (209,689)
 Increase (Decrease) in short-term
  borrowings............................    (139,400)     261,000        1,200
                                         -----------  -----------  -----------
                                         $  (736,215) $(1,178,827) $  (446,935)
                                         -----------  -----------  -----------
Increase (Decrease) in Cash and 
 Temporary Cash Investments............. $    13,780  $   (38,540) $  (191,712)
Cash and Temporary Cash Investments at
 Beginning of Year......................      15,110       53,650      245,362
                                         -----------  -----------  -----------
Cash and Temporary Cash Investments at
 End of Year............................ $    28,890  $    15,110  $    53,650
                                         ===========  ===========  ===========
</TABLE>
 
   The accompanying Notes to Financial Statements are an integral part of the
                               above statements.
 
                                      B-22
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                         NOTES TO FINANCIAL STATEMENTS
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
  Holding Company Restructuring. Effective September 1, 1994, Unicom became
the parent holding company of ComEd and Unicom Enterprises in a corporate
restructuring.
 
  Principles of Consolidation. The consolidated financial statements include
the accounts of ComEd, the Indiana Company and ComEd Financing I. All
significant intercompany transactions have been eliminated. ComEd's
investments in other subsidiary companies, which are not material in relation
to ComEd's financial position and results of operations, are accounted for in
accordance with the equity method of accounting.
 
  Use of Estimates. The preparation of financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.
 
  Regulation. ComEd is subject to regulation as to accounting and ratemaking
policies and practices by the ICC and FERC. ComEd'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 in accordance with SFAS No. 71,
Accounting for the Effects of Certain Types of Regulation. 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.
 
  Regulatory Assets and Liabilities. Regulatory assets are incurred costs
which have been deferred and are amortized for ratemaking and accounting
purposes. Regulatory liabilities represent amounts to be settled with
customers through future rates. Regulatory assets and liabilities reflected on
the Consolidated Balance Sheets at December 31, 1996 and 1995 were as follows:
 
<TABLE>
<CAPTION>
                                                                DECEMBER 31
                                                           ---------------------
                                                              1996       1995
                                                           ---------- ----------
                                                               (THOUSANDS OF
                                                                 DOLLARS)
<S>                                                        <C>        <C>
Regulatory assets:
  Deferred income taxes (1)............................... $1,649,037 $1,689,832
  Deferred carrying charges (2)...........................    396,879    409,923
  Nuclear decommissioning costs--Dresden Unit 1 (3).......    174,621    138,058
  Unamortized loss on reacquired debt (4).................    148,380    160,440
  Other...................................................     65,890     69,133
                                                           ---------- ----------
                                                           $2,434,807 $2,467,386
                                                           ========== ==========
Regulatory liabilities:
  Deferred income taxes (1)............................... $  668,301 $  601,002
                                                           ========== ==========
</TABLE>
- --------
(1) Recorded in compliance with SFAS No. 109.
(2) Recorded as authorized in the Remand Order. The amortization period is
    over the remaining lives of the Units.
(3) Amortized over the remaining life of Dresden station. See "Depreciation
    and Decommissioning" below for additional information.
(4) Amortized over the remaining lives of the long-term debt issued to finance
    the reacquisition. See "Loss on Reacquired Debt" below for additional
    information.
 
See "Deferred Unrecovered Energy Costs" below regarding the fuel adjustment
clause, the DOE assessment and coal reserves.
 
  If a portion of ComEd's operations was no longer subject to the provisions
of SFAS No. 71 as a result of a change in regulation or the effects of
competition, ComEd would be required to write off the
 
                                     B-23
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
related regulatory assets and liabilities. In addition, ComEd would be
required to determine any impairment to other assets and purchase contracts
and write down such assets or contracts to their fair value.
 
  SFAS No. 121, Accounting for the Impairment of Long-Lived Assets and for
Long-Lived Assets to Be Disposed Of, which was adopted on January 1, 1996,
established accounting standards for the impairment of long-lived assets. The
SFAS also requires that regulatory assets which are no longer probable of
recovery through future revenue be charged to earnings. SFAS No. 121 did not
have an impact on ComEd's financial position or results of operations upon
adoption.
 
  Deferred Unrecovered Energy Costs. The 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 ComEd's base rates. As authorized by the
ICC, ComEd has recorded under or overrecoveries of allowable fuel and energy
costs which, under the clause, are recoverable or refundable in subsequent
months. Deferred unrecovered energy costs also include amounts to be recovered
through the fuel adjustment clause for assessments by the DOE to fund a
portion of the cost for the decontamination and decommissioning of uranium
enrichment facilities owned and previously operated by the DOE. As of December
31, 1996 and 1995, an asset related to the assessments of approximately $168
million and $179 million, respectively, was recorded, of which the current
portion of approximately $16 million and $15 million, respectively, was
included in current assets on the Consolidated Balance Sheets. As of December
31, 1996 and 1995, a corresponding liability of approximately $157 million and
$167 million, respectively, was recorded, of which approximately $16 million
and $15 million, respectively, was recorded in other current liabilities.
 
  At December 31, 1996 and 1995, ComEd had unrecovered fuel costs in the form
of coal reserves of approximately $364 million and $448 million, respectively.
In prior years, ComEd's commitments for the purchase of coal exceeded its
requirements. Rather than take all the coal it was required to take, ComEd
agreed to purchase the coal in place in the form of coal reserves. ComEd has
been allowed to recover from its customers the costs of the coal reserves
through its fuel adjustment clause as coal is used for the generation of
electricity; however, ComEd is not earning a return on the expenditures for
coal reserves. Such fuel costs expected to be recovered within one year
amounting to approximately $73 million and $24 million at December 31, 1996
and 1995, respectively, have been included on the Consolidated Balance Sheets
in current assets as deferred unrecovered energy costs. ComEd expects to fully
recover the costs of the coal reserves by the year 2000. See Note 21 for
additional information concerning ComEd's coal commitments.
 
  Customer Receivables and Revenues. ComEd is engaged principally in the
production, purchase, transmission, distribution and sale of electricity to a
diverse base of residential, commercial, industrial and wholesale customers.
ComEd's electric service territory has an area of approximately 11,300 square
miles and an estimated population of approximately eight million as of
December 31, 1996 and 1995. It includes the city of Chicago, an area of about
225 square miles with an estimated population of approximately three million
from which ComEd derived approximately one-third of its ultimate consumer
revenues in 1996. ComEd had approximately 3.4 million electric customers at
December 31, 1996.
 
  Depreciation and Decommissioning. Depreciation is provided on the straight-
line basis by amortizing the cost of depreciable plant and equipment over
estimated composite service lives. Non-nuclear plant and equipment is
depreciated at annual rates developed for each class of plant based on their
composite service lives. Provisions for depreciation were at average annual
rates of 3.25%,
 
                                     B-24
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
3.14% and 3.13% of average depreciable utility plant and equipment for the
years 1996, 1995 and 1994, respectively. The annual rate for nuclear plant and
equipment is 3.09% for 1996, which includes increased depreciation charges on
ComEd's nuclear generating units, approved by the ICC in September 1996, and
excludes separately collected decommissioning costs, and 2.88% for 1995 and
1994, which excludes separately collected decommissioning costs. See Note 2
for additional information concerning the ICC's approval of ComEd's request to
increase depreciation charges on nuclear generating units in 1996.
 
  Nuclear plant decommissioning costs are accrued over the expected service
lives of the related nuclear generating units. The accrual is based on an
annual levelized cost of the unrecovered portion of estimated decommissioning
costs which are escalated for expected inflation to the expected time of
decommissioning and are net of expected earnings on the trust funds. 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 SEC and a FASB review
regarding the electric utility industry method of accounting for
decommissioning costs. Dismantling is expected to occur relatively soon after
the end of the useful life of each related generating station. The accrual for
decommissioning is based on the prompt removal method authorized by NRC
guidelines. ComEd's twelve operating units have estimated remaining service
lives ranging from 9 to 31 years. ComEd's first nuclear unit, Dresden Unit 1,
is retired and is expected to be dismantled upon the retirement of the last
unit at that station, which is consistent with the regulatory treatment for
the related decommissioning costs.
 
  Based on ComEd's most recent study, decommissioning costs, including the
cost of decontamination and dismantling, are estimated to aggregate $3.9
billion in current-year (1997) dollars excluding a contingency allowance.
ComEd estimates that it will expend approximately $15.5 billion, excluding any
contingency allowance, for decommissioning costs primarily during the period
from 2007 through 2032. Such costs are expected to be funded by the external
decommissioning trusts which ComEd established in compliance with Illinois law
and into which ComEd has been making annual contributions. Future
decommissioning cost estimates may be significantly affected by the adoption
of or changes to NRC regulations as well as changes in the assumptions used in
making such estimates, including changes in technology, available alternatives
for the disposal of nuclear waste, and inflation.
 
  Pursuant to the Rate Order, beginning in 1995, ComEd collects
decommissioning costs from its ratepayers under a rider which allows annual
adjustments to decommissioning cost collections outside the context of a
traditional rate proceeding. The current estimated decommissioning costs
allowed under the rider exclude a contingency allowance. Contingency
allowances used in decommissioning cost estimates provide for currently
unspecifiable costs that are likely to occur after decommissioning begins and
generally range from 20% to 25% of the currently specifiable costs. Under its
most recent annual rider, filed with the ICC on February 28, 1996, ComEd has
decreased its estimated annual decommissioning cost accrual from $113.5
million to $108.8 million, primarily reflecting stronger than expected after-
tax returns on the external trust funds in 1995. The ICC issued an order
approving the rider filing on April 24, 1996.
 
  As a result of the ICC approval of the rider filing, beginning April 30,
1996, the effective date of the order, ComEd began accruing and collecting
$108.8 million annually for decommissioning costs. The assumptions used to
calculate the $108.8 million decommissioning cost accrual include: the
decommissioning cost estimate of $3.9 billion in current-year (1997) dollars,
after-tax earnings on the tax-qualified and nontax-qualified decommissioning
funds of 7.30% and 6.26%, respectively, as well as an escalation rate for
future decommissioning costs of 5.5%. The annual accrual of $108.8 million
 
                                     B-25
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
provided over the lives of the nuclear plants, coupled with the expected fund
earnings and amounts previously recovered in rates, is expected to aggregate
approximately $15.5 billion. The annual accrual and collection amounts will be
reviewed again during the first quarter of 1997.
 
  For the twelve operating nuclear units, 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,
respectively. As of December 31, 1996, the total decommissioning costs
included in the accumulated provision for depreciation were $1,522 million.
For ComEd's retired nuclear unit, Dresden Unit 1, the total estimated
liability at December 31, 1996 in current-year (1997) dollars of $276 million
was recorded on the Consolidated Balance Sheets as a noncurrent liability and
the unrecovered portion of the liability of approximately $175 million was
recorded as a regulatory asset.
 
  Under Illinois law, decommissioning cost collections are required to be
deposited into external trusts; and, consequently, such collections do not add
to the cash flows available for general corporate purposes. The ICC has
approved ComEd's funding plan which provides for annual contributions of
current accruals and ratable contributions of past accruals over the remaining
service lives of the nuclear plants. At December 31, 1996, the past accruals
that are required to be contributed to the external trusts aggregate $169
million. The fair value of funds accumulated in the external trusts at
December 31, 1996 was approximately $1,456 million which includes pre-tax
unrealized appreciation of $230 million. The earnings on the external trusts
accumulate in the fund balance and in the accumulated provision for
depreciation.
 
  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 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 11 for further
information concerning the disposal of spent nuclear fuel, the one-time fee
and the 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 1996, 1995 and 1994 were $354 million, $391 million and $358
million, respectively.
 
  Income Taxes. ComEd is included in the consolidated federal and state income
tax returns filed by Unicom. Current and deferred income taxes of the
consolidated group are allocated to ComEd as if ComEd filed separate tax
returns. 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.
 
  AFUDC. In accordance with the uniform systems of accounts prescribed by
regulatory authorities, ComEd 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 1996, 1995 and 1994 were
9.02%, 9.52% and 9.85%, respectively. AFUDC does not contribute to the current
cash flow of ComEd.
 
                                     B-26
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
  Interest. Total interest costs incurred on debt, leases and other
obligations for the years 1996, 1995 and 1994 were $620 million, $693 million
and $730 million, 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 in connection with refinancing of first mortgage bonds,
sinking fund debentures and pollution control obligations prior to their
scheduled maturity dates is deferred and amortized over the lives of the long-
term debt issued to finance the reacquisition.
 
  Stock Option Awards/Employee Stock Purchase Plan. ComEd has elected to adopt
SFAS No. 123, "Accounting for Stock-Based Compensation", for disclosure
purposes only. ComEd accounts for its stock option awards and its employee
stock purchase plan under APB Opinion No. 25, "Accounting for Stock Issued to
Employees". See Note 5 for additional information.
 
  Reclassifications. Certain prior year amounts have been reclassified to
conform with current period presentation. These reclassifications had no
effect on net income.
 
  Statements of Consolidated Cash Flows. For purposes of the Statements of
Consolidated Cash Flows, temporary cash investments, generally investments
maturing within three months at the time of purchase, are considered to be
cash equivalents. Supplemental cash flow information for the years 1996, 1995
and 1994 was as follows:
 
<TABLE>
<CAPTION>
                                                     1996     1995     1994
                                                   -------- -------- --------
                                                     (THOUSANDS OF DOLLARS)
<S>                                                <C>      <C>      <C>
Supplemental Cash Flow Information:
 Cash paid during the year for:
   Interest (net of amount capitalized)........... $533,498 $604,202 $645,424
   Income taxes (net of refunds).................. $238,920 $368,842 $ (4,923)
Supplemental Schedule of Non-Cash Investing and
 Financing Activities:
 Capital lease obligations incurred............... $320,975 $198,577 $309,716
</TABLE>
 
(2) RATE MATTERS
 
  On January 9, 1995, the ICC issued its Rate Order in the proceedings
relating to ComEd's February 1994 rate increase request. The Rate Order
provided, among other things, for (i) an increase in ComEd's total revenues of
approximately $301.8 million (excluding add-on revenue taxes) or 5.2%, on an
annual basis, including a $303.2 million increase in base rates, (ii) the
collection of municipal franchise costs on an individual municipality basis
through a rider, and (iii) the use of a rider, with annual review proceedings,
to pass on to ratepayers increases or decreases in estimated costs associated
with the decommissioning of ComEd's nuclear generating units. See Note 1 under
"Depreciation and Decommissioning" for additional information related to the
level of decommissioning cost collections. The ICC also determined that the
Units were 100% "used and useful" and that the previously determined
reasonable costs of such Units, as depreciated, should be included in full in
ComEd's rate base. The rates provided in the Rate Order became effective on
January 14, 1995; however, they are being collected subject to refund as a
result of subsequent judicial action. As of December 31, 1996, electric
operating revenues of approximately $651 million (excluding revenue taxes) are
subject to refund. Intervenors and ComEd have filed appeals of the Rate Order
with the Illinois Appellate Court, and oral argument was heard on January 28,
1997.
 
                                     B-27
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
  On December 11, 1995, ComEd announced a series of customer initiatives as
part of its larger ongoing effort to address the need to give all customer
classes the opportunity to benefit from increased competition in the electric
utility business, while retaining the benefits (such as reliability) of
current regulation and ensuring utilities' cost recovery for commitments made
under the obligation to serve customers. The initiatives include a five-year
cap on base electric rates at current levels and various customer service and
incentive pricing programs designed to allow customers more choice and control
over the services they seek and the prices they pay. These initiatives are in
addition to previously implemented special discount contract rate programs for
new or existing industrial customers. ComEd anticipates the initiatives will
be fully implemented in 1997 and will reduce its revenues by approximately $40
million annually (including the effects of previously implemented initiatives
and before income tax effects) primarily through changes in energy
utilization. Additionally, in September 1996, the ICC approved ComEd's
additional depreciation initiative for 1996. ComEd's costs increased by $30
million in 1996 (before income tax effects), through the increase in
depreciation charges on its nuclear generating units. ComEd also continues to
consider the possibility of additional depreciation options.
 
  Under ComEd's initiatives, the five-year base rate cap at current levels
became effective in December 1995 and will extend until January 1, 2001. The
rate cap does not affect ComEd's fuel cost or nuclear decommissioning cost
recovery provisions. ComEd's fuel cost variances will continue to be collected
through its fuel adjustment clause, and such collections will continue to be
subject to annual reconciliation proceedings before the ICC. Likewise, nuclear
decommissioning costs will continue to be collected as described in Note 1
under "Depreciation and Decommissioning."
 
  See "Changes in the Electric Utility Industry" under "Management's
Discussion and Analysis of Financial Condition and Results of Operations" for
information regarding the legislative proposal supported by ComEd.
 
(3) AUTHORIZED SHARES AND VOTING RIGHTS OF CAPITAL STOCK
 
  At December 31, 1996, the authorized shares of ComEd capital stock were:
common stock--250,000,000 shares; preference stock--22,806,775 shares; $1.425
convertible preferred stock--75,003 shares; and prior preferred stock--850,000
shares. The preference and prior preferred 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.
 
(4) COMMON STOCK
 
  At December 31, 1996, shares of common stock were reserved for the following
purposes:
 
<TABLE>
      <S>                                                                <C>
      Conversion of $1.425 convertible preferred stock..................  76,503
      Conversion of warrants............................................  26,015
                                                                         -------
                                                                         102,518
                                                                         =======
</TABLE>
 
  Common stock for the years 1996, 1995 and 1994 was issued as follows:
 
<TABLE>
<CAPTION>
                                                             1996  1995   1994
                                                            ------ ----- -------
      <S>                                                   <C>    <C>   <C>
      Employee Stock Purchase Plan.........................    --    --  154,710
      Employee Savings and Investment Plan.................    --    --   81,400
      Conversion of $1.425 convertible preferred stock..... 22,146 3,630 190,050
      Conversion of warrants...............................  1,358   299  13,714
                                                            ------ ----- -------
                                                            23,504 3,929 439,874
                                                            ====== ===== =======
</TABLE>
 
 
                                     B-28
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
  At December 31, 1996 and 1995, 78,045 and 82,742 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.
 
(5) STOCK OPTION AWARDS/EMPLOYEE STOCK PURCHASE PLAN
 
  Unicom has a nonqualified stock option awards program under its Long-Term
Incentive Plan and an ESPP. The stock option awards program was adopted by
Unicom in July 1996 to reward valued employees responsible for, or
contributing to, the management, growth and profitability of Unicom and its
subsidiaries. As of December 31, 1996, 1,205,500 options have been granted
primarily to employees of ComEd and its subsidiaries. Of this amount, 15,500
options have been canceled and 1,190,000 are outstanding. The weighted average
exercise price for the outstanding stock options is $25.50. The stock options
granted in 1996 will expire ten years from their grant date. One-third of the
shares subject to the options vest on each of the next three anniversaries of
the option grant date. In addition, the stock options will become fully vested
immediately if the holder dies, retires, is terminated other than for cause or
qualifies for long-term disability, and will also vest in full upon a change
in control of Unicom. As of December 31, 1996, 2,000 of the granted stock
options are exercisable and none of the stock options have been exercised.
 
  The estimated fair market value for each of the stock options granted in
1996 was $3.74. The fair value of each stock option granted was estimated as
of the date of grant using the Black-Scholes option-pricing model. Assumptions
used to determine the estimated fair market value of the stock options include
(i) dividend yield of 6.30%, (ii) expected volatility of 20.98%, (iii) risk-
free interest rate of 6.64% and (iv) expected life of 7 years.
 
  The ESPP allows employees to purchase Unicom common stock at a 10% discount
from market value. The stock is purchased in six month intervals, April and
October of each year. Substantially all of the employees of Unicom, ComEd and
certain subsidiaries are eligible to participate in the ESPP. Unicom issued
196,512, 217,080, and 150,495 shares of common stock in 1996, 1995 and 1994,
respectively, under the ESPP at an average annual purchase price of $23.51,
$25.34 and $19.80, respectively. ComEd issued 154,710 shares of common stock
at a purchase price of $21.72 in 1994 under the ESPP.
 
  ComEd has adopted the disclosure-only provisions of SFAS No. 123,
"Accounting for Stock-Based Compensation". For financial reporting purposes,
ComEd has adopted APB No. 25, "Accounting for Stock Issued to Employees", and
thus no compensation cost has been recognized for the stock option awards
program or ESPP. If ComEd had recorded compensation expense for the stock
options granted and the shares of common stock issued under the ESPP in
accordance with SFAS No. 123 using the fair value based method of accounting,
the resulting effect on net income and earnings per share would have been de
minimis.
 
                                     B-29
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
 
(6) PREFERRED AND PREFERENCE STOCKS WITHOUT MANDATORY REDEMPTION REQUIREMENTS
 
  No shares of preferred or preference stocks without mandatory redemption
requirements were issued or redeemed during 1996 or 1995. During 1994,
3,000,000 shares of preference stock without mandatory redemption requirements
were issued and no shares of preferred or preference stocks without mandatory
redemption requirements were redeemed. The series of preference stock without
mandatory redemption requirements outstanding at December 31, 1996 are
summarized as follows:
 
<TABLE>
<CAPTION>
                                                                         INVOLUNTARY
                     SHARES           AGGREGATE         REDEMPTION       LIQUIDATION
      SERIES       OUTSTANDING       STATED VALUE        PRICE(1)         PRICE(1)
      -------      -----------       ------------       ----------       -----------
                                      (THOUSANDS
                                     OF DOLLARS)
      <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
      $2.425        3,000,000            72,637          $ 25.00           $25.00
                   ----------          --------
                   13,499,549          $504,957
                   ==========          ========
</TABLE>
     --------
     (1) Per share plus accrued and unpaid dividends, if any.
 
  The outstanding shares of $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 ComEd 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.
 
(7) PREFERENCE STOCK SUBJECT TO MANDATORY REDEMPTION REQUIREMENTS
 
  During 1996, 1995 and 1994, 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, 1996
are summarized as follows:
 
<TABLE>
<CAPTION>
                  SHARES     AGGREGATE
    SERIES      OUTSTANDING STATED VALUE            OPTIONAL REDEMPTION PRICE(1)
- --------------  ----------- ------------ --------------------------------------------------
                             (THOUSANDS
                            OF DOLLARS)
<S>             <C>         <C>          <C>
$8.20              214,275    $ 21,428   $103 through October 31, 1997; and $101 thereafter
$8.40 Series B     330,000      32,778   $101
$8.85              262,500      26,250   $103 through July 31, 1998; and $101 thereafter
$9.25              600,000      60,000   $103 through July 31, 1999; and $101 thereafter
$9.00              390,000      38,659   Non-callable
$6.875             700,000      69,474   Non-callable
                 ---------    --------
                 2,496,775    $248,589
                 =========    ========
</TABLE>
- --------
(1) Per share plus accrued and unpaid dividends, if any.
 
                                     B-30
<PAGE>
 
  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
                         ANNUAL SINKING         FUND           INVOLUNTARY
          SERIES        FUND REQUIREMENT      PRICE(1)     LIQUIDATION PRICE(1)
      --------------    -----------------     --------     --------------------
      <S>               <C>                   <C>          <C>
      $8.20              35,715 shares          $100             $100.00
      $8.40 Series B     30,000 shares(2)       $100             $ 99.326
      $8.85              37,500 shares          $100             $100.00
      $9.25              75,000 shares          $100             $100.00
      $9.00             130,000 shares(2)       $100             $ 99.125
      $6.875                   (3)              $100             $ 99.25
</TABLE>
     --------
     (1) Per share plus accrued and unpaid dividends, if any.
     (2) ComEd 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.
     (3) All shares are required to be redeemed on May 1, 2000.
 
  Annual remaining sinking fund requirements through 2001 on preference stock
outstanding at December 31, 1996 will aggregate $31 million in each of 1997-
99, $88 million in 2000, and $18 million in 2001. During 1996, 1995 and 1994,
438,215 shares, 178,215 shares and 177,085 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.
 
 
(8) COMPANY-OBLIGATED MANDATORILY REDEEMABLE PREFERRED SECURITIES OF COMED
FINANCING I
 
  In September 1995, ComEd Financing I (Trust), a wholly-owned subsidiary
trust of ComEd, issued 8,000,000 of its 8.48% company-obligated mandatorily
redeemable preferred securities. The sole asset of the Trust is $206.2 million
principal amount of ComEd's 8.48% subordinated deferrable interest notes due
September 30, 2035. There is a full and unconditional guarantee by ComEd of
the Trust's obligations under the securities issued by the Trust. However,
ComEd's obligations are subordinate and junior in right of payment to certain
other indebtedness of ComEd. ComEd has the right to defer payments of interest
on the subordinated deferrable interest notes by extending the interest
payment period, at any time, for up to 20 consecutive quarters. If interest
payments on the subordinated deferrable interest notes are so deferred,
distributions on the preferred securities will also be deferred. During any
deferral, distributions will continue to accrue with interest thereon. In
addition, during any such deferral, ComEd may not declare or pay any dividend
or other distribution on, or redeem or purchase, any of its capital stock.
 
  The subordinated deferrable interest notes are redeemable by ComEd, in whole
or in part, from time to time, on or after September 30, 2000, or at any time
in the event of certain income tax circumstances. If the subordinated
deferrable interest notes are redeemed, the Trust must redeem preferred
securities having an aggregate liquidation amount equal to the aggregate
principal amount of the subordinated deferrable interest notes so redeemed. In
the event of the dissolution, winding up or termination of the Trust, the
holders of the preferred securities will be entitled to receive, for each
preferred security, a liquidation amount of $25 plus accrued and unpaid
distributions thereon, including interest thereon, to the date of payment,
unless in connection with the dissolution, the subordinated deferrable
interest notes are distributed to the holders of the preferred securities.
 
(9) LONG-TERM DEBT
 
  Sinking fund requirements and scheduled maturities remaining through 2001
for first mortgage bonds, sinking fund debentures and other long-term debt
outstanding at December 31, 1996, after
 
                                     B-31
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
deducting sinking fund debentures reacquired for satisfaction of future
sinking fund requirements, are summarized as follows: 1997--$539 million;
1998--$497 million; 1999--$150 million; 2000-- $462 million; and 2001--$108
million.
 
  At December 31, 1996, outstanding first mortgage bonds maturing through 2001
were as follows:
 
<TABLE>
<CAPTION>
             SERIES                                         PRINCIPAL AMOUNT
             ------                                      ----------------------
                                                         (THOUSANDS OF DOLLARS)
      <S>                                                <C>
      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
      9 3/8% due February 15, 2000......................          125,000
      6 1/2% due April 15, 2000.........................          230,000
      6 3/8% due July 15, 2000..........................          100,000
      7 1/2% due January 1, 2001........................          100,000
                                                               ----------
                                                               $1,120,000
                                                               ==========
</TABLE>
 
  Other long-term debt outstanding at December 31, 1996 is summarized as
follows:
 
<TABLE>
<CAPTION>
                       PRINCIPAL
DEBT SECURITY           AMOUNT                     INTEREST RATE
- -------------          ---------- ----------------------------------------------
                       (THOUSANDS
                           OF
                        DOLLARS)
<S>                    <C>        <C>
Notes:
 Medium Term
  Notes, Series 1N
  due various dates
  through April 1,
  1998                 $ 35,500   Interest rates ranging from 9.52% to 9.65%
 Medium Term
  Notes, Series 3N
  due various dates
  through October
  15, 2004              296,000   Interest rates ranging from 9.00% to 9.20%
 Medium Term
  Notes, Series 4N
  due May 15, 1997       20,000   Interest rate of 8.875%
 Notes due              
  February
  15, 1997              150,000   Interest rate of 7.00%
 Notes due              
  July 15, 1997         100,000   Interest rate of 6.50%
 Notes due              
  October 15, 2005      235,000   Interest rate of 6.40%
                       --------
                       $836,500
                       --------
Long-Term
 Note Payable to
 Bank:
 Note due              
 June 1, 1998          $150,000   Prevailing interest rate of 6.08% at December
                                  31, 1996
                       --------

Purchase Contract
 Obligation due 
 April 30, 2005        $    432   Interest rate of 3.00%
                       --------
                       $986,932
                       ========
</TABLE>
 
  Long-term debt maturing within one year has been included in current
liabilities.
 
  The outstanding first mortgage bonds are secured by a lien on substantially
all property and franchises, other than expressly excepted property, owned by
ComEd.
 
  ComEd recorded an extraordinary loss of $33 million in the fourth quarter of
1995 related to the early redemption of $645 million of long-term debt which
reduced net income by $20 million (after reflecting income tax effects of $13
million) or $0.09 per common share.
 
                                    B-32
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
(10) LINES OF CREDIT
 
  ComEd had total bank lines of credit of $914 million and unused bank lines
of credit of $906 million at December 31, 1996. Of that amount, $906 million
(of which $175 million expires on September 29, 1997, $63 million expires in
equal quarterly installments commencing on March 31, 1997 and ending on
September 30, 1998 and $668 million expires in equal quarterly installments
commencing on December 31, 1997 and ending on September 30, 1999) may be
borrowed on secured or unsecured notes of ComEd 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 credit
rating of ComEd's outstanding first mortgage bonds or on a prime interest
rate. Amounts under the remaining lines of credit may be borrowed at
prevailing prime interest rates on unsecured notes of ComEd. Collateral, if
required for the borrowings, would consist of first mortgage bonds issued
under and in accordance with the provisions of ComEd's mortgage. ComEd is
obligated to pay commitment fees with respect to $906 million of such lines of
credit.
 
(11) 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. ComEd, 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 ComEd's nuclear generating
stations beginning not later than January 1998. The DOE advised ComEd in
December 1996 that it anticipates it will be unable to begin acceptance of
spent nuclear fuel by January 1998. It is expected this delivery schedule will
be delayed significantly. The contract with the DOE requires ComEd 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. As provided for under the contract,
ComEd has elected to pay the one-time fee, with interest, just prior to the
first delivery of spent nuclear fuel to the DOE. The liability for the one-
time fee and the related interest is reflected in the Consolidated Balance
Sheets.
 
(12) FAIR VALUE OF FINANCIAL INSTRUMENTS
 
  The following methods and assumptions were used to estimate the fair value
of financial instruments either held or issued and outstanding. The disclosure
of such information does not purport to be a market valuation of ComEd and
subsidiary companies as a whole. The impact of any realized or unrealized
gains or losses related to such financial instruments on the financial
position or results of operations of ComEd and subsidiary companies is
primarily dependent on the treatment authorized under future ratemaking
proceedings.
 
  Investments. Securities included in the nuclear decommissioning funds have
been classified and accounted for as "available for sale" securities. The
estimated fair value of the nuclear decommissioning funds, as determined by
the trustee and based on published market data, as of December 31, 1996 and
1995 was as follows:
 
<TABLE>
<CAPTION>
                                DECEMBER 31, 1996                DECEMBER 31, 1995
                         -------------------------------- --------------------------------
                                    UNREALIZED                       UNREALIZED
                         COST BASIS   GAINS    FAIR VALUE COST BASIS   GAINS    FAIR VALUE
                         ---------- ---------- ---------- ---------- ---------- ----------
                                              (THOUSANDS OF DOLLARS)
<S>                      <C>        <C>        <C>        <C>        <C>        <C>
Short-term investments.. $   32,778  $     38  $   32,816 $   40,575  $    283  $   40,858
U.S. Government and
 Agency issues..........    251,994     6,885     258,879    156,745    17,636     174,381
Municipal bonds.........    331,936    17,985     349,921    496,707    34,970     531,677
Common stock............    539,392   201,304     740,696    348,866   107,280     456,146
Other...................     69,867     4,181      74,048     29,757     4,708      34,465
                         ----------  --------  ---------- ----------  --------  ----------
                         $1,225,967  $230,393  $1,456,360 $1,072,650  $164,877  $1,237,527
                         ==========  ========  ========== ==========  ========  ==========
</TABLE>
 
 
                                     B-33
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
  At December 31, 1996, the debt securities held by the nuclear
decommissioning funds had the following maturities:
 
<TABLE>
<CAPTION>
                                                           COST BASIS FAIR VALUE
                                                           ---------- ----------
                                                               (THOUSANDS OF
                                                                 DOLLARS)
      <S>                                                  <C>        <C>
      Within 1 year.......................................  $ 32,778   $ 32,816
      1 through 5 years...................................   161,625    164,907
      5 through 10 years..................................   221,264    229,382
      Over 10 years.......................................   258,284    271,971
</TABLE>
 
  The net earnings of the nuclear decommissioning funds, which are recorded as
increases to the accumulated provision for depreciation, for the years 1996,
1995 and 1994 were as follows:
 
<TABLE>
<CAPTION>
                                               1996        1995        1994
                                            ----------  -----------  ---------
                                                 (THOUSANDS OF DOLLARS)
<S>                                         <C>         <C>          <C>
Gross proceeds from sales of securities...  $2,335,974  $ 2,598,889  $ 811,368
Less cost based on specific 
 identification...........................  (2,300,038)  (2,581,714)  (811,997)
                                            ----------  -----------  ---------
Realized gains (losses) on sales of 
 securities...............................  $   35,936  $    17,175  $    (629)
Other realized fund earnings net of 
 expenses.................................      33,008       46,294     38,148
                                            ----------  -----------  ---------
Total realized net earnings of the funds..  $   68,944  $    63,469  $  37,519
Unrealized gains (losses).................      65,516      160,843    (57,948)
                                            ----------  -----------  ---------
 Total net earnings (losses) of the funds.  $  134,460  $   224,312  $ (20,429)
                                            ==========  ===========  =========
</TABLE>
 
  Current Assets. Cash, temporary cash investments and other cash investments,
which include 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, are stated at cost,
which approximates their fair value because of the short maturity of these
instruments. The securities included in these categories have been classified
as "available for sale" securities.
 
  Capitalization. The estimated fair values of preferred and preference
stocks, company-obligated mandatorily redeemable preferred securities of the
Trust and long-term debt were obtained from an independent consultant. The
estimated fair values, which include the current portions of redeemable
preference stock and long-term debt but exclude accrued interest and
dividends, as of December 31, 1996 and 1995 were as follows:
 
<TABLE>
<CAPTION>
                                 DECEMBER 31, 1996                DECEMBER 31, 1995
                          -------------------------------- --------------------------------
                           CARRYING  UNREALIZED             CARRYING  UNREALIZED
                            VALUE      LOSSES   FAIR VALUE   VALUE      LOSSES   FAIR VALUE
                          ---------- ---------- ---------- ---------- ---------- ----------
                                               (THOUSANDS OF DOLLARS)
<S>                       <C>        <C>        <C>        <C>        <C>        <C>
Preferred and preference
 stocks.................  $  755,931  $  3,948  $  759,879 $  800,197  $ 14,769  $  814,966
Company-obligated
 mandatorily redeemable
 preferred securities of
 the Trust..............  $  200,000  $  1,000  $  201,000 $  200,000  $  6,000  $  206,000
Long-term debt..........  $6,345,533  $159,818  $6,505,351 $6,572,853  $470,175  $7,043,028
</TABLE>
 
  Long-term notes payable to banks, which are not included in the above table,
amounted to $150 million at December 31, 1996 and 1995. Such notes, for which
interest is paid at prevailing rates, are included in the consolidated
financial statements at cost, which approximates their fair value.
 
  Current Liabilities. The carrying value of notes payable, which consists of
commercial paper and bank loans maturing within one year, approximates the
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.
 
                                     B-34
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
  Other Noncurrent Liabilities. The carrying value of accrued spent nuclear
fuel disposal fee and related interest represents the settlement value as of
December 31, 1996 and 1995; therefore, the carrying value is equal to the fair
value.
 
(13) PENSION BENEFITS
 
  ComEd and the Indiana Company have non-contributory defined benefit pension
plans which cover all regular employees. Benefits under these plans reflect
each employee's compensation, years of service and age at retirement. During
1995, these plans were amended to more closely base retirement benefits on
final pay. 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,
1996 and 1995.
 
  During 1994, the companies implemented an early retirement program for
employees eligible to retire or who would become eligible to retire after
December 31, 1993 and before April 1, 1995. A total of 679 employees accepted
the program, resulting in the recognition of approximately $34 million of
additional pension cost and an additional increase to the projected benefit
obligation of that $34 million and $41 million of unrecognized net loss. The
charge to income was approximately $20.5 million, after reflecting income tax
effects, as a result of the program.
 
  The funded status of these plans at December 31, 1996 and 1995 was as
follows:
 
<TABLE>
<CAPTION>
                                                            DECEMBER 31
                                                      ------------------------
                                                         1996         1995
                                                      -----------  -----------
                                                      (THOUSANDS OF DOLLARS)
<S>                                                   <C>          <C>
Actuarial present value of accumulated pension plan
 benefits:
 Vested benefit obligation..........................  $(3,025,000) $(2,904,000)
 Nonvested benefit obligation.......................     (127,000)    (122,000)
                                                      -----------  -----------
 Accumulated benefit obligation.....................  $(3,152,000) $(3,026,000)
 Effect of projected future compensation levels.....     (366,000)    (352,000)
                                                      -----------  -----------
 Projected benefit obligation.......................  $(3,518,000) $(3,378,000)
Fair value of plan assets, invested primarily in
 U.S. Government, government-sponsored corporation
 and agency securities, fixed income funds, regis-
 tered investment companies, equity index funds and
 other equity and fixed income funds................    3,282,000    3,059,000
                                                      -----------  -----------
Plan assets less than projected benefit obligation..  $  (236,000) $  (319,000)
Unrecognized prior service cost.....................      (69,000)     (73,000)
Unrecognized transition asset.......................     (130,000)    (142,000)
Unrecognized net loss...............................       58,000      189,000
                                                      -----------  -----------
 Accrued pension liability..........................  $  (377,000) $  (345,000)
                                                      ===========  ===========
</TABLE>
 
  The assumed discount rate was 7.5% at December 31, 1996 and 1995, and the
assumed annual rate of increase in future compensation levels was 4.0%. 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 the years 1996, 1995 and 1994:
<TABLE>
<CAPTION>
                                                               1996  1995  1994
                                                               ----- ----- -----
<S>                                                            <C>   <C>   <C>
Annual discount rate.......................................... 7.50% 8.00% 7.50%
Annual rate of increase in future compensation levels......... 4.00% 4.00% 4.00%
Annual long-term rate of return on plan assets................ 9.75% 9.75% 9.50%
</TABLE>
 
                                     B-35
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
  The components of pension costs, portions of which were recorded as
components of construction costs, for the years 1996, 1995 and 1994 were as
follows:
 
<TABLE>
<CAPTION>
                                             1996         1995         1994
                                           ---------    ---------    ---------
                                                (THOUSANDS OF DOLLARS)
<S>                                        <C>          <C>          <C>
Service cost.............................  $  92,000    $  87,000    $  97,000
Interest cost on projected benefit
  obligation.............................    246,000      225,000      213,000
Actual return on plan assets.............   (421,000)    (681,000)      37,000
Early retirement program cost............        --           --        34,000
Net amortization and deferral............    115,000      418,000     (302,000)
                                           ---------    ---------    ---------
                                           $  32,000    $  49,000    $  79,000
                                           =========    =========    =========
</TABLE>

  In addition, an employee savings and investment plan is available to
eligible employees of ComEd and certain of its and Unicom's subsidiaries.
During the fourth quarter of 1995 (the first quarter of 1996 for bargaining
unit employees of the Indiana Company), the employee savings and investment
plan was amended. Under the plan, as amended, each participating employee may
contribute up to 20% of such employee's base pay and the participating
companies match the first 6% of such contribution equal to 100% of the first
2% of contributed base salary, 70% of the next 3% of contributed base salary
and 25% of the last 1% of contributed base salary. During 1996, 1995 and 1994,
the participating companies' contributions were $30 million, $25 million and
$23 million, respectively.

(14) POSTRETIREMENT BENEFITS

  ComEd and the Indiana Company provide certain postretirement health care,
dental care, vision care and life insurance for retirees and their dependents
and for the surviving dependents of eligible employees and retirees. The
employees become eligible for postretirement benefits when they reach age 55
with 10 years of service. The liability for postretirement benefits is funded
through trust funds based upon actuarially determined contributions that take
into account the amount deductible for income tax purposes. The postretirement
health care plan for ComEd and the Indiana Company was amended, effective
April 1, 1995. Prior to that date, the postretirement health care plan was
fully funded by the companies. With respect to employees who retire on or
after April 1, 1995, the plan is contributory, funded jointly by the companies
and the participating employees. Actuarial valuations were determined as of
January 1, 1996 and 1995.

  Postretirement health care costs in 1996 and 1995 included $4 million and
$25 million, respectively, related to a voluntary separation offer for union
employees who accepted and left ComEd's employ combined with separation offers
to selected groups of non-union employees.

  The funded status of the plan at December 31, 1996 and 1995 was as follows:
<TABLE>
<CAPTION>
                                                             DECEMBER 31
                                                        ----------------------
                                                           1996        1995
                                                        -----------  ---------
                                                            (THOUSANDS OF
                                                              DOLLARS)
<S>                                                     <C>          <C>
Actuarial present value of accumulated postretirement
 benefit obligation:
 Retirees.............................................  $  (615,000) $(551,000)
 Active fully eligible participants...................      (23,000)   (21,000)
 Other participants...................................     (439,000)  (418,000)
                                                        -----------  ---------
 Accumulated benefit obligation.......................  $(1,077,000) $(990,000)
Fair value of plan assets, invested primarily in S&P
 500 common stocks, registered investment companies
 and U.S. Government, government agency, municipal and
 listed corporate obligations.........................      666,000    602,000
                                                        -----------  ---------
Plan assets less than accumulated postretirement bene-
 fit obligation.......................................  $  (411,000) $(388,000)
Unrecognized transition obligation....................      370,000    392,000
Unrecognized prior service cost.......................       45,000     48,000
Unrecognized net gain.................................     (271,000)  (267,000)
                                                        -----------  ---------
Accrued liability for postretirement benefits.........  $  (267,000) $(215,000)
                                                        ===========  =========
</TABLE>

                                    B-36
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
  Different health care cost trends are used for pre-Medicare and post-
Medicare expenses. Pre-Medicare trend rates were 9.0% and 9.5%, respectively,
at December 31, 1996 and 1995, grading down in 0.5% annual increments and
leveling off at 5.0%. Post-Medicare trend rates were 7.0% and 7.5%,
respectively, at December 31, 1996 and 1995, grading down in 0.5% annual
increments to 5.0%. The assumed discount rate was 7.5% at December 31, 1996
and 1995. That rate was used to determine the accumulated benefit obligations.
The effect of a 1% increase in the health care cost trend rate for each future
year would increase the accumulated postretirement health care obligations by
approximately $158 million.
 
  The components of postretirement health care costs, portions of which were
recorded as components of construction costs, for the years 1996, 1995 and
1994 were as follows:
 
<TABLE>
<CAPTION>
                                                    1996      1995       1994
                                                  --------  ---------  --------
                                                    (THOUSANDS OF DOLLARS)
      <S>                                         <C>       <C>        <C>
      Service cost..............................  $ 32,000  $  31,000  $ 47,000
      Interest cost on accumulated benefit 
       obligation...............................    73,000     69,000    81,000
      Actual loss (return) on plan assets.......   (90,000)  (137,000)    9,000
      Amortization of transition obligation.....    22,000     23,000    29,000
      Severance plan cost.......................     4,000     25,000       --
      Other.....................................    29,000     83,000   (49,000)
                                                  --------  ---------  --------
                                                  $ 70,000  $  94,000  $117,000
                                                  ========  =========  ========
</TABLE>
 
  Postretirement benefit costs were determined under the rules prescribed by
SFAS No. 106, including the use of the projected unit credit actuarial cost
method. The discount rates used were 7.5%, 8.0% and 7.5%, respectively, for
1996, 1995 and 1994 and the estimated long-term rate of return of fund assets,
net of income tax effects, were 9.38%, 9.32% and 9.04%, respectively, for
1996, 1995 and 1994. Pre-Medicare health care cost trend rate was 14% for
1994, grading down in 0.5% annual increments to 5.0%. Post-Medicare health
care cost trend rate was 11.5% for 1994, grading down in 0.5% annual
increments to 5.0%. Pre-Medicare trend rates were 13.5% for the first three
months of 1995 and 10% for the remainder of the year, grading down in 0.5%
annual increments to 5.0%. Post-Medicare trend rates were 11% for the first
three months of 1995 and 8% for the remainder of the year, grading down in
0.5% annual increments to 5.0%. The effect of a 1% increase in the health care
cost trend rate for each future year would increase the aggregate of the
service and interest cost components of postretirement benefit costs by
approximately $21 million for 1996.
 
(15) SEPARATION PLAN COSTS
 
  Operation and maintenance expenses included $12 million for the year 1996
and $97 million for the year 1995 related to a voluntary separation offer for
union employees who accepted and left ComEd's employ combined with separation
plans offered to selected groups of non-union employees. These employee
separation plans reduced net income by $7 million or $0.03 per common share
for the year 1996 and $59 million or $0.27 per common share for the year 1995.
 
                                     B-37
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
(16) INCOME TAXES
 
  The components of the net deferred income tax liability at December 31, 1996
and 1995 were as follows:
 
<TABLE>
<CAPTION>
                                                              DECEMBER 31
                                                         ----------------------
                                                            1996        1995
                                                         ----------  ----------
                                                             (THOUSANDS OF
                                                               DOLLARS)
<S>                                                      <C>         <C>
Deferred income tax liabilities:
 Accelerated cost recovery and liberalized 
  depreciation, net of removal costs...................  $3,507,916  $3,379,987
 Overheads capitalized.................................     261,437     252,910
 Repair allowance......................................     228,426     219,585
 Regulatory assets recoverable through future rates....   1,649,037   1,689,832
Deferred income tax assets:
 Postretirement benefits...............................    (269,153)   (235,353)
 Unbilled revenues.....................................    (136,406)   (116,274)
 Alternative minimum tax...............................     (80,159)   (145,019)
 Unamortized investment tax credits to be settled
  through future rates.................................    (430,297)   (452,210)
 Other regulatory liabilities to be settled through 
  future rates.........................................    (238,004)   (148,792)
 Other--net............................................     (43,882)    (45,893)
                                                         ----------  ----------
Net deferred income tax liability......................  $4,448,915  $4,398,773
                                                         ==========  ==========
</TABLE>
 
The $50 million increase in the net deferred income tax liability from
December 31, 1995 to December 31, 1996 is comprised of $158 million increase
of deferred income tax expense and a $108 million decrease in regulatory
assets net of regulatory liabilities pertaining to income taxes for the year.
The amount of regulatory assets included in deferred income tax liabilities
primarily relates to the equity component of AFUDC which is 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. The amount of other regulatory
liabilities included in deferred income tax assets primarily relates to
deferred income taxes provided at rates in excess of the current statutory
rate.
 
  The effects of an income tax refund related to prior years were recorded in
1996, resulting in an increase to net income of $26 million or $0.12 per
common share.
 
  The components of net income tax expense charged to continuing operations
for the years 1996, 1995 and 1994 were as follows:
 
<TABLE>
<CAPTION>
                                                    1996      1995      1994
                                                  --------  --------  --------
                                                    (THOUSANDS OF DOLLARS)
<S>                                               <C>       <C>       <C>
Electric operating income:
 Current income taxes...........................  $339,517  $344,221  $160,214
 Deferred income taxes..........................   156,263   188,008   169,307
 Investment tax credits deferred--net...........   (33,378)  (28,710)  (28,757)
Other (income) and deductions...................    (7,385)   (7,685)  (23,062)
                                                  --------  --------  --------
Net income taxes charged to continuing 
 operations.....................................  $455,017  $495,834  $277,702
                                                  ========  ========  ========
</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 1996, 1995 and 1994:
 
<TABLE>
<CAPTION>
                                                  1996        1995       1994
                                               ----------  ----------  --------
<S>                                            <C>         <C>         <C>
Pre-tax book income (thousands)............... $1,198,385  $1,233,010  $701,648
Effective income tax rate.....................       38.0%       40.2%     39.6%
</TABLE>
 
                                     B-38
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
  The principal differences between net income taxes charged to continuing
operations and the amounts computed at the federal statutory rate of 35% for
the years 1996, 1995 and 1994 were as follows:
 
<TABLE>
<CAPTION>
                                                     1996      1995      1994
                                                   --------  --------  --------
                                                     (THOUSANDS OF DOLLARS)
<S>                                                <C>       <C>       <C>
Federal income taxes computed at statutory rate..  $419,435  $431,554  $245,577
Equity component of AFUDC which was excluded from
 taxable income..................................    (7,272)   (4,595)   (7,920)
Amortization of investment tax credits...........   (33,378)  (28,710)  (28,810)
State income taxes, net of federal income taxes..    58,381    65,972    40,140
Differences between book and tax accounting, 
 primarily property-related deductions...........    14,150    27,534    26,505
Other--net.......................................     3,701     4,079     2,210
                                                   --------  --------  --------
Net income taxes charged to continuing opera-
 tions...........................................  $455,017  $495,834  $277,702
                                                   ========  ========  ========
</TABLE>
 
  Current federal income tax liabilities which were recorded prior to 1995
included excess amounts of AMT over the regular federal income tax, which
amounts were also recorded as decreases to deferred federal income taxes. The
excess amounts of AMT were carried forward and portions were applied as
credits against the post-1994 regular federal income tax liabilities. The
remaining excess amounts of AMT can be carried forward indefinitely as credits
against future years' regular federal income tax liabilities.
 
(17) TAXES, EXCEPT INCOME TAXES
 
  Provisions for taxes, except income taxes, for the years 1996, 1995 and 1994
were as follows:
 
<TABLE>
<CAPTION>
                                                       1996     1995     1994
                                                     -------- -------- --------
                                                       (THOUSANDS OF DOLLARS)
      <S>                                            <C>      <C>      <C>
      Illinois public utility revenue............... $227,062 $229,546 $211,263
      Illinois invested capital.....................  104,663  106,830  109,373
      Municipal utility gross receipts..............  168,715  167,758  145,011
      Real estate...................................  129,985  175,747  180,221
      Municipal compensation........................   78,544   78,602   72,647
      Other--net....................................   73,699   73,543   69,281
                                                     -------- -------- --------
                                                     $782,668 $832,026 $787,796
                                                     ======== ======== ========
</TABLE>
 
  The reduction in ComEd's real estate taxes in 1996 results primarily from
ongoing challenges by ComEd of the methodology used by local taxing
authorities to assess the value of ComEd's nuclear generating stations.
Approximately half of the 1996 reduction in ComEd's real estate taxes is
related to the year 1995.
 
(18) LEASE OBLIGATIONS
 
  Under its nuclear fuel lease arrangement, ComEd 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. With respect
to the commercial paper/bank borrowing portion, $100 million will expire on
November 23, 1998 and $200 million will expire on November 23, 1999. With
respect to the intermediate term notes, a portion expires in November 1997,
and each November thereafter, through November 2001 and in November 2003. At
December 31, 1996, ComEd's obligation to the lessor for leased nuclear fuel
amounted to approximately $687 million. ComEd has agreed to make lease
payments which cover the amortization of the nuclear fuel used in ComEd's
reactors plus the lessor's related financing costs. ComEd has an obligation
for spent nuclear fuel disposal costs of leased nuclear fuel.
 
                                     B-39
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
 
 
  Future minimum rental payments, net of executory costs, at December 31, 1996
for capital leases are estimated to aggregate $776 million, including $241
million in 1997, $195 million in 1998, $150 million in 1999, $91 million in
2000, $45 million in 2001 and $54 million in 2002-2005. The estimated interest
component of such rental payments aggregates $93 million. The estimated
portions of obligations due within one year under capital leases of
approximately $174 million and $168 million at December 31, 1996 and 1995,
respectively, are included in current liabilities.
 
  Future minimum rental payments at December 31, 1996 for operating leases are
estimated to aggregate $138 million, including $11 million in 1997, $11
million in 1998, $10 million in 1999, $9 million in 2000, $8 million in 2001
and $89 million in 2002-2024.
 
(19) JOINT PLANT OWNERSHIP
 
  ComEd has a 75% undivided ownership interest in the Quad-Cities nuclear
generating station. Further, ComEd 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, 1996, for its share of ownership
in the station, ComEd had an investment of $641 million in production and
transmission plant in service (before reduction of $197 million for the
related accumulated provision for depreciation) and $21 million in
construction work in progress.
 
(20) INVESTMENTS IN URANIUM-RELATED PROPERTIES
 
  In 1994, ComEd recorded a reduction in the carrying value of its investments
in uranium-related properties after completing a review of various
alternatives and reassessing the long-term recoverability of those
investments. The effects of the reduction reduced 1994 net income by $34
million or $0.16 per common share.
 
(21) COMMITMENTS AND CONTINGENT LIABILITIES
 
  Purchase commitments, principally related to construction and nuclear fuel,
approximated $1,018 million at December 31, 1996. In addition, ComEd has
substantial commitments for the purchase of coal. ComEd's coal costs are high
compared to those of other utilities. ComEd's western coal contracts and its
rail contracts for delivery of the western coal provide for the purchase of
certain coal at prices substantially above currently prevailing market prices.
See "Management's Discussion and Analysis of Financial Condition and Results
of Operations," subcaption "Liquidity and Capital Resources," for additional
information regarding ComEd's purchase commitments.
 
  ComEd is a member of 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 ComEd would not be liable for a retrospective
premium adjustment in the event of a single incident. However, ComEd could be
subject to a maximum assessment of approximately $53 million in any policy
year, in the event losses exceed accumulated reserve funds.
 
  ComEd also is a member of 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
 
                                     B-40
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONTINUED
reserve funds. Capital has been accumulated in the reserve funds of NEIL to
the extent that ComEd would not be liable for a retrospective premium
adjustment in the event of a single incident under the replacement power
coverage and the property damage coverage. However, ComEd could be subject to
maximum assessments, in any policy year, of approximately $21 million and $73
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,
ComEd 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.
 
  In addition, ComEd 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. ComEd would currently be subject to a
maximum assessment of approximately $36 million in the event losses exceed
accumulated reserve funds.
 
  During 1989 and 1991, actions were brought in federal and state courts in
Colorado against ComEd and Cotter seeking unspecified damages and injunctive
relief based on allegations 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. In February 1994, a federal jury returned nominal dollar verdicts on
eight bellwether plaintiffs' claims in these cases, which verdicts were upheld
on appeal. The remaining claims in the 1989 actions are the subject of a
settlement agreement entered into by counsel for the plaintiffs and Cotter. If
the settlement agreement is implemented, the 1989 actions will be dismissed.
Although the remaining cases will necessarily involve the resolution of
numerous contested issues of fact and law, ComEd's determination is that these
actions will not have a material impact on its financial position or results
of operations.
 
  ComEd is involved in administrative and legal proceedings concerning air
quality, water quality and other matters. The outcome of these proceedings may
require increases in future construction expenditures and operating expenses
and changes in operating procedures. ComEd and its subsidiaries are or are
likely to become parties to proceedings initiated by the U.S. EPA, state
agencies and/or other responsible parties under CERCLA with respect to a
number of sites, including MGP sites, or may voluntarily undertake to
investigate and remediate sites for which they may be liable under CERCLA.
 
  ComEd generally did not operate MGPs as a corporate entity but did, however,
acquire MGP sites as part of the absorption of smaller utilities and as vacant
real estate on which ComEd facilities have been constructed. To date, ComEd
has identified 44 former MGP sites for which it may be liable for remediation.
ComEd presently estimates that its costs of former MGP site investigation and
remediation will aggregate from $25 million to $150 million in current-year
(1997) dollars. It is expected that the costs associated with investigation
and remediation of former MGP sites will be incurred over a period of
approximately 20 to 30 years. Because ComEd is not able to determine the most
probable liability for such MGP costs, in accordance with accounting
standards, a reserve of approximately $25 million has been included on the
Consolidated Balance Sheets as of December 31, 1996 and 1995, which reflects
the low end of the range of ComEd's estimate of the liability associated with
 
                                     B-41
<PAGE>
 
             COMMONWEALTH EDISON COMPANY AND SUBSIDIARY COMPANIES
 
                   NOTES TO FINANCIAL STATEMENTS--CONCLUDED
former MGP sites. In addition, as of December 31, 1996 and 1995, a reserve of
$8 million has been included on the Consolidated Balance Sheets, representing
ComEd's estimate of the liability associated with cleanup costs of remediation
sites other than former MGP sites. Approximately half of this reserve relates
to anticipated cleanup costs associated with a property formerly used as a
tannery which was purchased by ComEd in 1973. ComEd presently estimates that
its costs of investigating and remediating the former MGP and other
remediation sites pursuant to CERCLA and state environmental laws will not
have a material impact on the financial position or results of operations of
ComEd. 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.
 
(22) QUARTERLY FINANCIAL INFORMATION
 
<TABLE>
<CAPTION>
                                                                   AVERAGE
                                                          NET     NUMBER OF  EARNINGS
                          ELECTRIC  ELECTRIC           INCOME ON   COMMON      PER
                         OPERATING  OPERATING   NET     COMMON     SHARES     COMMON
 THREE MONTHS ENDED       REVENUES   INCOME    INCOME    STOCK   OUTSTANDING  SHARE
- -------------------      ---------- --------- -------- --------- ----------- --------
                                      (THOUSANDS EXCEPT PER SHARE DATA)
<S>                      <C>        <C>       <C>      <C>       <C>         <C>
March 31, 1995.......... $1,578,136 $262,149  $107,046 $ 90,138    214,191    $0.42
June 30, 1995........... $1,559,535 $278,230  $127,377 $110,512    214,192    $0.52
September 30, 1995...... $2,190,879 $583,819  $426,351 $409,677    214,193    $1.91
December 31, 1995....... $1,581,236 $221,266  $ 56,380 $ 36,866    214,195    $0.17
March 31, 1996.......... $1,683,489 $298,711  $155,891 $139,377    214,195    $0.65
June 30, 1996........... $1,547,632 $254,690  $119,448 $102,976    214,198    $0.48
September 30, 1996...... $2,066,975 $475,839  $353,147 $337,262    214,209    $1.57
December 31, 1996....... $1,636,451 $241,278  $114,882 $ 99,329    214,218    $0.46
</TABLE>
 
(23) SUBSEQUENT EVENTS
 
  In January 1997, ComEd issued $150 million principal amount of 7.375% Notes
due January 15, 2004, $150 million principal amount of 7.625% Notes due
January 15, 2007 and $150 million principal amount of Company-obligated
preferred securities of subsidiary trust.
 
  On January 24, 1997, ComEd announced that it would redeem on March 11, 1997
all of its $200 million principal amount of First Mortgage 9 1/2% Bonds,
Series 57, due May 1, 2016.
 
                                     B-42
<PAGE>
 
                               SUBSEQUENT EVENTS
 
  Nuclear Matters. As noted under "Regulation--Nuclear Matters" in
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" in the financial statements included in this Exhibit, Commonwealth
Edison Company ("ComEd") has been working on improvements in operating and
personnel procedures as well as the repair and replacement of equipment at its
nuclear generating stations. As a part of these activities, ComEd's management
has decided to continue the present outages at its LaSalle nuclear generating
station until the performance issues identified with respect to that station
have been appropriately addressed. ComEd presently expects the LaSalle outage
to extend into the fall of 1997.
 
  In February 1997, an operational event occurred in the control room of
ComEd's Zion nuclear generating station. As a result, the Regional staff of
the Nuclear Regulatory Commission ("NRC") has issued a letter confirming
ComEd's commitment to conduct a comprehensive assessment of the event and to
develop and implement a program to ensure adequate personnel performance in
the future, including upgraded operator training. ComEd must brief the staff
on the results of its investigation, its proposed corrective actions and other
matters prior to restarting either Zion unit. The current Zion Unit 2 outage
is expected to extend into and likely beyond the summer of 1997, and Zion Unit
1 is expected to be out of service until early 1998.
 
  The LaSalle and Zion outages are part of several outages of nuclear and
fossil generating stations that several utilities operating in the Midwestern
power grid (including ComEd) are expecting during 1997. ComEd is evaluating
the need for reinforcement of its available generating and transmission
capacity and the availability of power from third parties in light of these
regional circumstances. Such evaluation includes consideration of additional
expenditures of approximately $50 million, a portion of which is capital,
relating to enhancing generating station availability, transmission
reinforcement and purchasing power from other utilities, as well as
consideration of methods of managing customer demand for power. Such
expenditures could include demand charges for purchased power which are not
recoverable through the fuel adjustment clause under these circumstances, but
do not reflect the related energy costs for such purchased power.
 
  As also noted under "Regulation--Nuclear Matters" in "Management's
Discussion and Analysis of Financial Condition and Results of Operations," in
late January 1997, the NRC required ComEd to submit information to allow the
NRC to determine what actions, if any, should be taken to assure that ComEd
can safely operate its six nuclear generating stations while sustaining
performance improvement at each site. ComEd submitted its response to the
NRC's request on March 28, 1997.
 
  Other Information. See Unicom Corporation's and ComEd's Annual Reports on
Form 10-K for the year ended December 31, 1996, for additional information
regarding events affecting their businesses since the preparation of the
financial statements contained in this Exhibit.
 
                                     B-43


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