Schlumberger Declares Quarterly Dividend

Schlumberger’s board has declared a quarterly dividend of 12.5 cents per share on outstanding stock. The dividend is payable on October 6, 2006, to stockholders of record on September 6, 2006.

Schlumberger is a 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 66,000 people of over 140 nationalities working in more than 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 2005, Schlumberger’s operating revenue was $14.31 billion.