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: CLARK FRANK M (Chairman and CEO of ComEd)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	24935	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Deferred Comp. Phantom Shares	$		Common Stock (6081)	6081	Direct
NQ Stock Options 01/24/2005	$42.85		Common Stock (36000)	36000	Direct
NQ Stock Options 01/23/2006	$58.55		Common Stock (30000)	30000	Direct

Footnotes

F1: Balance includes the following shares acquired through the automatic dividend reinvestment feature of Exelon plans: 289 shares on 3/10/2011; 302 shares on 6/10/2011; 307 shares on 9/9/2011; and 298 shares on 12/9/2011.

F2: 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.

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.