GlobalSantaFe to Present at the Calyon Securities 2006 Oil Services Conference

HOUSTON, May 8 /PRNewswire-FirstCall/ -- GlobalSantaFe Corporation's Chief Executive Officer Jon Marshall will present at 11:00 a.m. EDT in New York, on Wednesday, May 10, 2006, at the Calyon Securities 2006 Oil Services Conference.

Interested parties may listen to the presentation live over the Internet at http://www.globalsantafe.com/ . To listen to the live presentation, please go to the Web site at least 15 minutes early to register and to download and install any necessary audio software. A replay of the presentation will be available shortly after the conclusion of the presentation through GlobalSantaFe's Web site (http://www.globalsantafe.com/ ) until 5 p.m. CDT May 24, 2006.

About GlobalSantaFe

GlobalSantaFe is one of the world's largest providers of offshore oil and gas drilling and drilling management services. We own or operate 61 marine drilling rigs, including premium and heavy-duty, harsh-environment jackups, semisubmersibles, and dynamically positioned ultra-deepwater drillships, as well as two semisubmersibles operated for third parties under a joint venture agreement. Two of the jackup rigs in our fleet currently are unavailable for contract due to hurricane damage and may not return to service. During the first quarter of 2006, we entered into a contract to build an ultra-deepwater semisubmersible scheduled for delivery in early 2009. More information can be found at http://www.globalsantafe.com/ .

Contacts: Investors: Media: Richard Hoffman Jeff Awalt VP, Investor Relations Sr. Manager, Corporate Communications Tel: [phone] Tel: [phone]
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