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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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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1. Name and Address of Reporting Person * ROWE JOHN W   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 __X__ Officer (give title below) _____ Other (specify below) Chairman, President and CEO (Last) (First) (Middle) 10 SOUTH DEARBORN STREET, 37TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 08/01/2005 (Street) CHICAGO, IL 60603 4. If Amendment, Date 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 (City) (State) (Zip) 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 08/01/2005   M(1)   48,125 A $ 18.82 107,818 (2) D   Common Stock 08/01/2005   S(1)   2,700 D $ 52.37 105,118 D   Common Stock 08/01/2005   S(1)   5,600 D $ 52.38 99,518 D   Common Stock 08/01/2005   S(1)   4,300 D $ 52.4 95,218 D   Common Stock 08/01/2005   S(1)   4,300 D $ 52.41 90,918 D   Common Stock 08/01/2005   S(1)   900 D $ 52.42 90,018 D   Common Stock 08/01/2005   S(1)   100 D $ 52.47 89,918 D   Common Stock 08/01/2005   S(1)   2,600 D $ 52.49 87,318 D   Common Stock 08/01/2005   S(1)   2,600 D $ 52.5 84,718 D   Common Stock 08/01/2005   S(1)   300 D $ 52.53 84,418 D   Common Stock 08/01/2005   S(1)   200 D $ 52.54 84,218 D   Common Stock 08/01/2005   S(1)   200 D $ 52.57 84,018 D   Common Stock 08/01/2005   S(1)   600 D $ 52.59 83,418 D   Common Stock 08/01/2005   S(1)   1,800 D $ 52.6 81,618 D   Common Stock 08/01/2005   S(1)   500 D $ 52.61 81,118 D   Common Stock 08/01/2005   S(1)   700 D $ 52.62 80,418 D   Common Stock 08/01/2005   S(1)   1,900 D $ 52.63 78,518 D   Common Stock 08/01/2005   S(1)   300 D $ 52.64 78,218 D   Common Stock 08/01/2005   S(1)   5,600 D $ 52.65 72,618 D   Common Stock 08/01/2005   S(1)   400 D $ 52.66 72,218 D   Common Stock 08/01/2005   S(1)   1,800 D $ 52.67 70,418 D   Common Stock 08/01/2005   S(1)   1,143 D $ 52.68 69,275 D   Common Stock 08/01/2005   S(1)   200 D $ 52.69 69,075 D   Common Stock (Deferred Shares)               269,081 I By Stock Deferral Plan Common Stock (401k Shares)               5,615 (3) D   Common Stock               3,500 I Held By Spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities (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 of Derivative Security: 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

NQ Stock Options 01-25-1999

$ 18.82

08/01/2005

M

48,125

(4)

(4)

Common Stock

48,125

(4)

37,119

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ROWE JOHN W 10 SOUTH DEARBORN STREET 37TH FLOOR CHICAGO, IL 60603			Chairman, President and CEO

Signatures

Scott N. Peters, Attorney in Fact for John W. Rowe		08/02/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Exercise and sale made pursuant to a rule 10b5-1 trading plan entered into on February 25, 2005.
(2)	Balance includes 3,403 shares held in the Employee Stock Purchase Plan.
(3)	Shares held as of 06/30/2005 in a multi-fund 401(k) Plan to be settled in cash upon the reporting person's termination of employment for any reason on a 1:1 basis. Shares are acquired through regular periodic contributions, company matching contributions, and the automatic reinvestment of dividends.
(4)	Non qualified employee stock options, awarded pursuant to the Exelon Long Term Incentive Plan. Options vest in 1/3 increments on each of the first three anniversaries of the grant date, referenced in column one, and expire on the tenth anniversay of the grant date.

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