SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Dominguez Joseph

(Last)

(First)

(Middle)

10 SOUTH DEARBORN STREET

54TH FLOOR

(Street)

CHICAGO

60603

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
06/29/2010

3. Issuer Name and Ticker or Trading Symbol
EXELON CORP [ EXC ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Senior Vice President

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	7,429	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Performance Shares- Stock Units	⁽¹⁾	⁽¹⁾	Common Stock	4,710	⁽¹⁾	D
Restricted Stock Units 05/01/2007	⁽²⁾	⁽²⁾	Common Stock	3,000	⁽²⁾	D
NQ Stock Options 01/24/2005	⁽³⁾	⁽³⁾	Common Stock	1,988	$42.85	D
NQ Stock Options 01/23/2006	⁽³⁾	⁽³⁾	Common Stock	4,100	$58.55	D
NQ Stock Options 01/22/2007	⁽³⁾	⁽³⁾	Common Stock	6,000	$59.96	D
NQ Stock Options 01/28/2008	⁽³⁾	⁽³⁾	Common Stock	6,700	$73.29	D
NQ Stock Options 01/26/2009	⁽³⁾	⁽³⁾	Common Stock	9,400	$56.51	D
NQ Stock Options 01/25/2010	⁽³⁾	⁽³⁾	Common Stock	8,300	$46.09	D

Explanation of Responses:

1. Performance Shares awarded pursuant to the Exelon Long Term Incentive Plan. 1/3 of the shares awarded vested immediately upon receipt. The remaining shares vest in 1/3 increments on each of the first and second anniversaries of the grant date. Under certain circumstances some or all of the vested shares may be settled in cash on a 1 for 1 basis based on the cash value of the underlying stock on the date of vesting.

2. Restricted stock units granted under the Issuer's Long Term Incentive Plan. Restricted stock units may be settled on a 1 for 1 basis in shares of Exelon common stock. 100% of the shares will vest on 05/01/2011.

3. Non qualified employee stock options, awarded pursuant to the Exelon Long Term Incentive Plan. Options vest in 1/4 increments on each of the first four anniversaries of the grant date, referenced in column one, and expire on the tenth anniversay of the grant date.

Remarks:

	Joseph Dominguez	07/08/2010
	** 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 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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