SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
X	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* MITCHELL J BARRY (Last) (First) (Middle) 10 SOUTH DEARBORN STREET 37TH FLOOR (Street) CHICAGO IL 60603 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol EXELON CORP [ EXC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) X Other (specify below) Exec. Officer through 09/23
	3. Date of Earliest Transaction (Month/Day/Year) 09/26/2003
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership 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	09/26/2003		F		53(1)	D	$62.64	13,658(2)	D
Common Stock (Deferred Shares)								4,647(3)	I	By Stock Deferral Plan
Common Stock (401k Shares)								2,624(4)	I	By 401(k) 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. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Deferred Comp. - Phantom Shares	$0(5)							08/08/1988	08/08/1988	Common Stock	1,742		1,742(5)	D
NQ Stock Options: 02/28/1994	$26.88							(6)	(6)	Common Stock	3,500		3,500	D
NQ Stock Options: 02/27/1995	$26.13							(6)	(6)	Common Stock	10,000		10,000	D
NQ Stock Options: 02/26/1996	$28.25							(6)	(6)	Common Stock	10,000		10,000	D
NQ Stock Options: 02/24/1997	$22.25							(6)	(6)	Common Stock	10,000		10,000	D
NQ Stock Options: 04/08/1998	$21.88							(6)	(6)	Common Stock	2,000		2,000	D
NQ Stock Options: 02/23/1999	$37.69							(6)	(6)	Common Stock	13,500		13,500	D
NQ Stock Options: 02-29/2000	$37.31							(6)	(6)	Common Stock	10,800		10,800	D
NQ Stock Options: 10/20/2000	$59.5							(6)	(6)	Common Stock	12,000		12,000	D
NQ Stock Options: 01/28/2002	$46.92							(6)	(6)	Common Stock	15,000		15,000	D
NQ Stock Options: 01/27/2003	$49.61							(7)	(7)	Common Stock	15,000		15,000	D

Explanation of Responses:

1. On 09/26/2003, 2,637 restricted shares vested and were transferred to direct ownership net of shares withheld for taxes. Reporting person elected to defer the shares into the Stock Deferral Plan.

2. Balance includes 228 shares acquired on 03/10/2003, 06/10/2003 and 09/10/2003 through the automatic dividend reinvestment feature of Exelon plans.

3. Balance inclues 45 shares acquired on 03/10/2003, 06/10/2003 and 09/10/2003 through the automatic dividend reinvestment feature of Exelon plans. Balance also includes the transfer of 2,584 shares from direct ownership noted in footnote (1).

4. Shares held as of 09/26/2003 in a multi-fund 401(k) account to be settled for cash on a 1:1 basis upon the reporting person's termination of employment for any reason. Shares are acquired through regular periodic contributions and the reinvestment of dividend equivalents.

5. Phantom shares held in a multi-fund deferred compensation account to be settled for cash on a 1:1 basis upon the reporting person's termination of employment for any reason. Shares are acquired through regular periodic payroll contributions and the reinvestment of dividends. Balance includes 14 shares acquired on 09/10/2003 through the automatic dividend reinvestment feature of Exelon plans.

6. NQ stock options vest in 1/3 increments beginning on the first anniversary of the grant date (referenced in column 1) and expire on the tenth anniversary of the grant date.

7. NQ stock options vest in 1/4 increments beginning on the first anniversary of the grant date (referenced in column 1) and expire on the tenth anniversary of the grant date.

Remarks:

	Scott N. Peters, Attorney in Fact for J. Barry Mitchell	09/30/2003
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** 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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