SIGNATURES
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly
caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.
Date: February 4, 2011
S
CHLUMBERGER
L
IMITED
By:
/s/ H
OWARD
G
UILD
Howard Guild
Chief Accounting Officer
Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been signed below by the
following persons on behalf of the Registrant and in the capacities and on the dates indicated.
Name
Title
*
Andrew Gould
Chairman and Chief Executive Officer
(Principal Executive Officer)
/s/ S
IMON
A
YAT
Simon Ayat
Executive Vice President and Chief Financial Officer
(Principal Financial Officer)
/s/ H
OWARD
G
UILD
Howard Guild
Chief Accounting Officer
(Principal Accounting Officer)
*
Philippe Camus
Director
*
Peter L.S. Currie
Director
*
Tony Isaac
Director
*
K.V. Kamath
Director
*
Nikolay Kudryavtsev
Director
*
Adrian Lajous
Director
*
Michael E. Marks
Director
*
Elizabeth Moler
Director
*
Leo Rafael Reif
Director
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