Merger

The following links provide information regarding the Transocean/GlobalSantaFe merger:

• The Definitive Proxy for the Transocean and GlobalSantaFe merger
• Reclassification and Merger Valuation Examples
• Tax Information Related to the Merger

Press Releases:

• Original Merger Announcement
• Early Termination of U.S. Antitrust Waiting Period
• Companies to Hold Shareholder Meetings to Vote on Merger
• Shareholders Vote to Approve Pending Merger
• Transocean and GlobalSantaFe Announce Court Approval and Tentative Closing Date for Pending Merger
• U.K. Regulators Clear Way for Merger in View of Parties' Proposed Undertakings
• Transocean Announces Closing of Merger with GlobalSantaFe

For registered shareholders only with questions about exchanging your shares, please contact Mellon Investor Services by telephone - 9 a.m. to 6 p.m. New York Time, Monday through Friday, except bank holidays:

• From within the U.S., Canada or Puerto Rico:
  1-877-251-3573 (Toll Free)
     
• From outside the U.S.:
  1-201-680-6579 (Collect)