Schlumberger Announces Fourth-Quarter and Full-Year 2010 Results Conference Call16:50 EDT Tuesday, October 26, 2010 HOUSTON (Business Wire) -- Schlumberger Limited (NYSE:SLB) will hold a conference call on January 21, 2011 to discuss the results for the fourth quarter and full year ending on December 31, 2010. The conference call is scheduled at 9:00 am (US Eastern Time) – 3:00 pm (Paris time). The results are expected to be released at approximately 6:00 am (US Eastern Time) – 12:00 pm (Paris time) that same day. To access the conference call, listeners should contact the Conference Call Operator at + 1-800-230-1059 within North America or +1-612-234-9960 outside of North America approximately 10 minutes prior to the start of the call, and ask for the “Schlumberger Earnings Conference Call.” A webcast of the conference call will be broadcast simultaneously at www.slb.com/irwebcast on a listen-only basis. Listeners should log in 15 minutes prior to the start of the call to test their browsers and register for the webcast. Following the end of the conference call, a replay will be available at www.slb.com/irwebcast until February 21, 2011, and can be accessed by dialing +1-800-475-6701 within North America or +1-320-365-3844 outside of North America, and giving the access code 176290. About Schlumberger Schlumberger is the world's leading supplier of technology, integrated project management and information solutions to customers working in the oil and gas industry worldwide. Employing approximately 105,000 people representing over 140 nationalities and working in approximately 80 countries, Schlumberger provides the industry's widest range of products and services from exploration through production. Schlumberger Limited has principal offices in Paris, Houston and The Hague. For more information, visit www.slb.com. Schlumberger LimitedVice President of Investor RelationsMalcolm Theobald, +1 713 375 3535orManager of Investor RelationsRobert Bergeron, +1 713 375 3535investor-relations@slb.com