EXELON CORP — Director's Dealing 2012

Jan 24, 2012

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: EXELON CORP (EXC)
CIK: 0001109357
Period of Report: 2011-12-31

Reporting Person: Cornew Kenneth W. (Senior Vice President)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	14793	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Performance Shares - Stock Units	$		Common Stock (2088)	2088	Direct
Restricted Stock Units 08/01/2008	$		Common Stock (5000)	5000	Direct
Restricted Stock Units 07/01/2010	$		Common Stock (10000)	10000	Direct
Deferred Comp. Phantom Shares	$		Common Stock (424)	424	Direct
NQ Stock Options 01/26/2004	$32.54		Common Stock (4051)	4051	Direct
NQ Stock Options 01/24/2005	$42.85		Common Stock (5550)	5550	Direct
NQ Stock Options 01/23/2006	$58.55		Common Stock (6375)	6375	Direct
NQ Stock Options 01/22/2007	$59.96		Common Stock (8500)	8500	Direct
NQ Stock Options 01/28/2008	$73.29		Common Stock (11000)	11000	Direct
NQ Stock Options 01/26/2009	$56.51		Common Stock (14900)	14900	Direct
NQ Stock Options 01/25/2010	$46.09		Common Stock (13300)	13300	Direct
NQ stock Options 01/24/2011	$43.40		Common Stock (26000)	26000	Direct

Footnotes

F1: Balance includes the following shares acquired through the automatic dividend reinvestment feature of Exelon plans: 183 shares on 3/10/2011; 205 shares on 6/10/2011; 206 shares on 9/9/2011; and 173 shares on 12/9/2011.

F2: 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.

F3: Balance includes the following shares acquired through the automatic dividend reinvestment feature of Exelon plans: 24 shares on 3/10/2011; 25 shares on 6/10/2011; 25 shares on 9/9/2011; and 25 shares on 12/9/2011.

F4: 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 08/01/2013.

F5: 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 07/01/2015.

F6: 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.

F7: 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.