COMCAST CORP — Director's Dealing 2012

Mar 22, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMCAST CORP (CMCSA)
CIK: 0001166691
Period of Report: 2012-03-20

Reporting Person: BLOCK ARTHUR R (SVP, GC and Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-03-20	Class A Common Stock	M	3540.0000	$0.0000	Acquired	29837.0000	Direct
2012-03-20	Class A Common Stock	F	1515.0000	$0.0000	Disposed	28322.0000	Direct
2012-03-21	Class A Common Stock	S	2010.0000	$29.7925	Disposed	26312.0000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-03-20	Restricted Stock Units	$	M	3540.0000	Disposed		Class A Common Stock (3540.0000)	Direct

Footnotes

F1: Transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2: This transaction was executed in multiple trades at prices ranging from $29.79 to $29.80. The price reported above reflects the weighted-average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

F3: Each restricted stock unit represents a contigent right to receive one share of Class A Common Stock.

F4: These restricted stock units vest on the transaction date.