CORRECTION CORPORATE EVENT: Comcast 3 for 2 Stock Split 2/22/07

Clearing House Advisory Notices

To	Clearing Member Firms
From	Clearing House Department
Subject	CORRECTION CORPORATE EVENT: Comcast 3 for 2 Stock Split 2/22/07
Notice Date	2007-02-16
Notice Number	07-43
Effective Date	2007-02-22
CORRECTION Comcast Corporation Class A ("CMCSA/CMCX1C") & Comcast Corporation Holdings A ("CMCSK/CMCS1C") have announced a 3-for-2 common stock split. The ex-distribution date for the stock split is Thursday, February 22, 2007. Opening positions and start-of-day prices for Thursday, February 22 will be based on final positions and settlement prices from Wednesday, February 21, 2007. This corporate action will be coordinated with the Options Clearing Corporation. For the full text of this advisory . . .