Clearing House Advisory Notices
To Clearing Member Firms
From CME Clearing
Subject CORPORATE EVENT: Transocean Inc. (RIG) Merger Adjustment 11/27/07
Notice Date 2007-11-26
Notice Number 07-290
Effective Date 2007-11-27


On November 9, 2007, Shareholders of Transocean Inc. (RIG) approved the proposed reclassification of RIG Ordinary Shares in connection with the merger with GlobalSantaFe Corporation (GSF). Once the reclassification becomes effective, each existing RIG Ordinary Share will be converted into the right to receive .6996 RIG Common Shares plus $33.03. Cash will be paid in lieu of fractional RIG shares.

This corporate event will be coordinated with the Options Clearing Corporation.

For the full text of this advisory . . .