Schlumberger Announces Third-Quarter 2011 Results Conference Call

Schlumberger Limited (NYSE:SLB) will hold a conference call on October 21, 2011 to discuss the results for the third quarter ending September 30, 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 third quarter 2011 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 [phone] within North America or [phone] 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 November 21, 2011, and can be accessed by dialing [phone] within North America or [phone] outside of North America, and giving the access code 211522.

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.

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