CORPORATE EVENT: Chubb Corp. (CB) 2 for 1 Stock Split 4/19/06

Clearing House Advisory Notices

To	Clearing Member Firms
From	Clearing House Department
Subject	CORPORATE EVENT: Chubb Corp. (CB) 2 for 1 Stock Split 4/19/06
Notice Date	2006-04-17
Notice Number	06-96
Effective Date	2006-04-19
Chubb Corp. (CB) has announced a 2 for 1 stock split. The ex-distribution date is April 19, 2006. Opening positions and start of day prices for April 19, 2006 will be based on final position and settlement prices from Tuesday, April 18, 2006. This corporate action will be coordinated with the Options Clearing Corporation. For the full text of this advisory . . .