CORPORATE EVENT: Southern Copper Corp. (PCU) 2:1 Stock Split 10/3/06

Clearing House Advisory Notices

To	Clearing Member Firms
From	Clearing House Department
Subject	CORPORATE EVENT: Southern Copper Corp. (PCU) 2:1 Stock Split 10/3/06
Notice Date	2006-09-28
Notice Number	06-240
Effective Date	2006-10-03
Southern Copper Corp. (PCU) has announced a 2 for 1 stock split. The ex-distribution date is October 3, 2006. Opening positions and start of day prices for October 3, 2006 will be based on final position and settlement prices from Monday, October 2, 2006. This corporate action will be coordinated with the Options Clearing Corporation. For the full text of this advisory . . .