Schlumberger Limited

Schlumberger Limited is the largest oilfield services company in the world, incorporated in the Netherlands Antilles with headquarters in Paris, New York and The Hague. For the 12 months ended September 30, 2007, Schlumberger Limited (excluding WesternGeco) derived 29% of its operating income from North America; 12% from Latin America; 29% from Europe, the Commonwealth of Independent States and Africa; and 29% from the Middle East and Asia (1% other).