SLB Schlumberger Ltd

Schlumberger Limited (NYSE:SLB) announced today that it is hosting its 2008 Investor Conference in Houston, Texas, on Tuesday, September 30, 2008, beginning at 8:45 am Central Time. Executive management presentations will be available through the company�s Web site at www.SLB.com/ir. A transcript of the event�s Q&A session will be published on the same Web site later in the day. A live video webcast of the event will be broadcast simultaneously from www.SLB.com/ir on a listen-only basis beginning at 8:45 am Central Time. An audio webcast of the event�s Q&A session will be broadcast in listen-only mode beginning at approximately 2:15 pm Central Time. Online attendees should log in 15 minutes prior to the start of each webcast to test their browsers and register. Following the event a replay will be available at the same URL until October 15, 2008. About Schlumberger Schlumberger is the world�s leading oilfield services company, supplying technology, information solutions and integrated project management that optimize reservoir performance for customers working in the oil and gas industry. The company employs more than 84,000 people of over 140 nationalities working in approximately 80 countries. Schlumberger supplies a wide range of products and services from seismic acquisition and processing; formation evaluation; well testing and directional drilling to well cementing and stimulation; artificial lift and well completions; and consulting, software, and information management. In 2007, Schlumberger revenue was $23.28 billion. For more information, visit www.SLB.com.