EXELON CORP — Director's Dealing 2012

Mar 14, 2012

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: EXELON CORP (EXC)
CIK: 0001109357
Period of Report: 2012-03-12

Reporting Person: Adams Craig L (President & CEO; PECO Energy)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common stock	10450	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted stock units- 08/01/2008	$		Common stock (4000)		Direct
Performance Shares - Stock Units	$		Common Stock (5750)		Direct
NQ Stock Options - 01/26/2004	$32.54		Common Stock (4500)		Direct
NQ Stock Options - 01/24/2005	$42.85		Common Stock (7000)		Direct
NQ Stock Options - 01/23/2006	$58.55		Common Stock (8500)		Direct
NQ Stock Options - 01/22/2007	$59.96		Common Stock (8500)		Direct
NQ Stock Options - 01/28/2008	$73.29		Common Stock (8300)		Direct
NQ Stock Options - 01/26/2009	$56.51		Common Stock (11700)		Direct
NQ Stock Options - 01/25/2010	$46.09		Common Stock (10500)		Direct
NQ Stock Options - 01/24/2011	$43.40		Common Stock (21000)		Direct

Footnotes

F1: 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.

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: 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.