Schlumberger Limited (NYSE:SLB) will hold a conference call on January 20, 2012 to discuss the results for the fourth quarter and full year ending December 31, 2011. The conference call is scheduled to begin at 3:00 pm (Paris time) – 9:00 am (US Eastern Time). A press release regarding the results will be released prior to the call on that same day. To access the conference call, listeners should contact the Conference Call Operator at + 1-800-230-1059 within North America or +1-612-234-9959 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 20, 2012, 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 222324. 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 110,000 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 and reported revenues of $27.45 billion in 2010. For more information, visit www.slb.com.