THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

Schlumberger Limited (SLB)

3/10/2006 Proxy Information

John M. Deutch's adult son, Paul Deutch, is employed by a unit of Schlumberger. The employment of Mr. DeutchÕs son was not influenced by his position as a director of the Company.

Mr. Didier Primat and Mr. Nicholas Seydoux are cousins.

3/15/2005 Proxy Information

John M. Deutch's adult son, Paul Deutch, is employed by a unit of Schlumberger. The employment of Mr. DeutchÕs son was not influenced by his position as a director of the Company.

Mr. Didier Primat and Mr. Nicholas Seydoux are cousins.

Euan Baird was Chairman and Chief Executive Officer of Schlumberger Limited from October 1986 until February 2003.

3/10/2004 Proxy Information

John M. Deutch's adult son, Paul Deutch, is employed by a unit of Schlumberger. The employment of Mr. DeutchÕs son was not influenced by his position as a director of the Company.

Mr. Didier Primat and Mr. Nicholas Seydoux are cousins.

Euan Baird was Chairman and Chief Executive Officer of Schlumberger Limited from October 1986 until February 2003.

Ms. Jamie S. Gorelick is a Partner in the Washington, D.C. law firm Wilmer Cutler Pickering LLP. Wilmer Cutler Pickering LLP provided legal services to Schlumberger in 2003 but is no longer engaged by the Company

3/7/2003 Proxy Information

John M. Deutch's adult son, Paul Deutch, is employed by a unit of Schlumberger. The employment of Mr. DeutchÕs son was not influenced by his position as a director of the Company.

Mr. Didier Primat and Mr. Nicholas Seydoux are cousins.