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*
GLACE JOSEPH R

(Last) (First) (Middle)
10 SOUTH DEARBORN STREET
54TH FLOOR

(Street)
CHICAGO IL 60603

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
03/12/2012
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)
SVP and Chief Risk Officer
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 613 D
Common Stock (ESPP) 741 D
Common stock (IRA) 200 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)
Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted stock units- 07/01/2008 (1) (1) Common stock 3,500 (1) D
Performance Shares - Stock Units (2) (2) Common Stock 1,294 (2) D
Restricted stock units- key manager program (3) (3) Common Stock 1,171 (3) D
Deferred Comp. Phantom Shares (4) (4) Common stock 400 (4) D
NQ Stock Options - 01/26/2004 (5) (5) Common Stock 10,327 32.54 D
NQ Stock Options - 01/24/2005 (5) (5) Common Stock 7,600 42.85 D
NQ Stock Options - 01/23/2006 (5) (5) Common Stock 6,700 58.55 D
NQ Stock Options - 01/22/2007 (5) (5) Common Stock 4,000 59.96 D
NQ Stock Options - 01/28/2008 (5) (5) Common Stock 3,400 73.29 D
NQ Stock Options - 01/26/2009 (5) (5) Common Stock 4,300 56.51 D
NQ Stock Options - 01/25/2010 (5) (5) Common Stock 3,800 46.09 D
Explanation of Responses:
1. 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 07/01/2012.
2. 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.
3. Restricted stock units awarded pursuant to the Exelon Long Term Incentive Plan. 1/3 of the shares awarded vest on each of the first, second and third 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.
4. Phantom shares held 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, company matching contributions, and the automatic reinvestment of dividends.
5. 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:
Scott N. Peters, attorney in fact for Joseph R. Glace 03/13/2012
** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
EXELON CORPORATION
SECTION 16 REPORTS
POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and appoints
each of Bruce G. Wilson, Scott N. Peters and Lawrence C. Bachman, signing
singly, the undersigned's true and lawful attorney-in-fact to:

(1) 	execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and or director of Exelon Corporation ("Exelon"), all
reports to be filed by the undersigned pursuant to Section 16(a) of the
Securities Exchange Act of 1934 and the rules promulgated thereunder (including
EDGAR Form ID, Forms 3, 4, and 5 and any successor forms) (the "Section 16
Reports");

(2) 	do and perform any and all acts for and on behalf of the undersigned
that may be necessary or desirable to complete and execute any such Section 16
Report, complete and execute any amendment or amendments thereto, and timely
file such report with the United States Securities and Exchange Commission and
any stock exchange or similar authority; and

(3) 	take any other action of any type whatsoever in connection with the
foregoing that, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of
the undersigned pursuant to this Power of Attorney shall be in such form and
shall contain such terms and conditions as such attorney-in-fact may approve in
such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted.  The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming,
nor is Exelon assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Section 16 Reports with respect to the
undersigned's holdings of and transactions in securities issued by Exelon,
unlessearlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 8th day of March 2012.



Signature: /s/ Joseph R. Glace

Print Name:  Joseph R. Glace