CORPORATE EVENT: Unocal Corporation (UCL) Merger 08/11/05

Clearing House Advisory Notices

To	Clearing Member Firms
From	Clearing House Department
Subject	CORPORATE EVENT: Unocal Corporation (UCL) Merger 08/11/05
Notice Date	2005-08-10
Notice Number	05-175
Effective Date
Unocal Corporation (UCL) –Adjustment due to merger. Contract adjustment will take place on Thursday, August 11, 2005. This corporate action will be coordinated with the Options Clearing Corporation. For the full text of this advisory . . .