EXELON CORP — Director's Dealing 2012

Jan 3, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

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

Reporting Person: DIAZ NELSON A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-12-31	Common Stock (Deferred Stock Units)	A	574	$43.58	Acquired	14656	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-12-31	Deferred Compensation - Phantom Shares	$	A	194	Acquired		Common Stock (194)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1500	Direct

Footnotes

F1: Balance also includes 168 shares acquired on 12/09/2011 through the automatic dividend reinvestment feature of Exelon plans.

F2: Phantom shares held in a multi-fund deferred compensation account to be settled for cash on a 1:1 basis upon the reporting person's termination of employment for any reason. Shares are acquired through regular periodic contributions and the reinvestment of dividend equivalents.

F3: Balance also includes 47 shares acquired on 12/09/2011 through the automatic dividend reinvestment feature of Exelon plans.