CORPORATE EVENT: Activision Blizzard, Inc. (ATVI)

Clearing House Advisory Notices

To	Clearing Member Firms
From	CME Clearing
Subject	CORPORATE EVENT: Activision Blizzard, Inc. (ATVI)
Notice Date	2008-09-05
Notice Number	08-214
Effective Date	2008-09-08
Activision Blizzard, Inc. ("ATVI") has announced a 2 for 1 stock split. The Ex-distribution Date is Monday, September 8, 2008. The Payable Date is September 5, 2008. The Record Date is August 25, 2008. This corporate action will be coordinated with the Options Clearing Corporation. If you have any questions regarding the information provided in the document, please call CME Clearing risk management hotline at (312) 648-3888. For the full-text of this advisory, please click here.