FORM 5

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

    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
    Form 3 Holdings Reported
    Form 4 Transactions Reported

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB Number: 3235-0362
Expires: January 31, 2005
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Filed By
Romeo and Dye's
Section 16 Filer
www.section16.net

1. Name and Address of Reporting Person*

Brennan, Edward A.

2. Issuer Name and Ticker or Trading Symbol
Exelon Corporation (EXC)

6. Relationship of Reporting Person(s)
to Issuer (Check all applicable)
X Director                                       10% Owner
    Officer (give title below)          Other (specify below)

(Last)      (First)     (Middle)

10 South Dearborn Street, 37th Floor
 

3. I.R.S. Identification Number
of Reporting Person,
if an entity (voluntary)

(Street)

Chicago, IL 60603

(City)     (State)     (Zip)

Table I — Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1. Title of Security
(Instr. 3)

2. Trans-
action
Date
(Month/ Day/
Year)

2A. Deemed
Execution
Date,
if any
(Month/Day/
Year)

3. Trans-
action Code
(Instr. 8)

4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 & 5)

5. Amount of
Securities
Beneficially
Owned at End of Issuer's
Fiscal year
(Instr. 3 & 4)

6. Owner-
ship Form:
Direct (D)
or Indirect (I)
(Instr. 4)

7. Nature of Indirect
Beneficial Ownership
(Instr. 4)

Amount

(A)
or
(D)

Price

Common Stock (Deferred Shares)

2,071

I

By Exelon Deferred Stock Unit Plan

Common Stock (Deferred Shares)

1,706

I

By Unicom Deferred Stock Unit Plan

Common Stock

3,969

D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security

(Instr. 3)

2. Conver-
sion or
Exercise
Price of Derivative Security

3. Trans-
action Date

(Month/
Day/
Year)

4. Trans-
action
Code

(Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D)

(Instr. 3, 4 & 5)

6. Date Exercisable
and Expiration
Date
(Month/Day/
Year)

7. Title and Amount of Underlying Securities
(Instr. 3 & 4)

8. Price of Derivative Security
(Instr. 5)

9. Number of
Derivative
Securities
Beneficially
Owned
at End of Year
(Instr. 4)

10. Owner-
ship Form
of Deriv-
ative
Security:
Direct (D)
or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

(A)

(D)

Date Exer-cisable

Expira-
tion
Date

Title

Amount or Number of
Shares

Deferred Comp. - Phantom Shares

Immediately

None

Common Stock

2,476⁽¹⁾

D

Explanation of Responses:

(1) Shares held as of 12/31/2002 in a multi-fund Deferred Compensation Plan to be settled for cash upon the reporting person's termination of employment for any reason on a 1:1 basis. Shares are acquired through regular periodic contributions and the automatic reinvestment of dividends.

**Intentional misstatements or omissions of facts constitute Federal Criminal Violations.
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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