CORPORATE EVENT: National Oilwell Varco Inc (NOV) 2 for 1 Stock Split 10/1/07

Clearing House Advisory Notices

To	Clearing Member Firms
From	CME Clearing
Subject	CORPORATE EVENT: National Oilwell Varco Inc (NOV) 2 for 1 Stock Split 10/1/07
Notice Date	2007-09-27
Notice Number	07-233
Effective Date	2007-10-01
National Oilwell Varco, Inc. (“NOV”) has announced a 2-for-1 common stock split. The ex-distribution date for the stock split is Monday, October 1, 2007. The payable date is September 28, 2007; record date is September 7, 2007. This corporate action will be coordinated with the Options Clearing Corporation. For the full text of this advisory . . .