Investor Relations Contacts

Schlumberger Limited
5599 San Felipe, 17th floor
Houston, TX 77056
USA

Malcolm Theobald
Vice President of Investor Relations

Joy V. Domingo
Investor Relations Manager

Patti Oberpriller
Investor Relations Assistant
Main Telephone: +1 713 375 3535

Anne Devanneaux
Corporate Communications Europe
Paris, France
Main Telephone: +33 1 4062 1308