FORM 4

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).

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

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Filed By
Romeo and Dye's
Section 16 Filer
www.section16.net

1. Name and Address of Reporting Person*

Clark, Frank M.

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

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

Senior Vice President                             

(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 Follow-
ing Reported Transactions(s)
(Instr. 3 & 4)

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

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

Code

V

Amount

(A)
or
(D)

Price

Common Stock

01/27/2003

A

7,000⁽¹⁾

A

D

Common Stock

01/27/2003

F

457

D

$49.61

17,164

D

Common Stock (Deferred Shares)

7,544⁽²⁾

I

By Stock Deferral Plan

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
Following
Reported Transaction(s)
(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)

Code

V

(A)

(D)

Date Exer-cisable

Expira-
tion
Date

Title

Amount or Number of
Shares

NQ Stock Options 01-27-2003

$49.61

01/27/2003

A

27,000

 ⁽³⁾

Common Stock

27,000

27,000

D

Explanation of Responses:

(1) Shares awarded pursuant to the Exelon Long Term Incentive Plan. 1/3 of award vested immediately and a portion of the shares were transferred to direct ownership net of shares withheld to satisfy the tax liability. The remaining portion of the vested shares were deferred into the Stock Deferral Plan.
(2) Includes 1,167 vested shares that were deferred as noted in (1) above.
(3) Non-qualified stock options vest in 1/4 increments on the first four anniversaries of the grant date (referenced in Column 1) and expire ten years from the grant date unless terminated earlier under the terms of the option plan or grant.

**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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