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 1, 2012
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
*
Director and Chief Executive Officer
Paal Kibsgaard
(Principal Executive Officer)
/
S
/ S
IMON
A
YAT
Executive Vice President and Chief Financial Officer
Simon Ayat
(Principal Financial Officer)
/
S
/ H
OWARD
G
UILD
Chief Accounting Officer
Howard Guild
(Principal Accounting Officer)
*
Director
Philippe Camus
*
Director
Peter L.S. Currie
*
Chairman and Executive Officer
Andrew Gould
*
Director
Tony Isaac
*
Director
K.V. Kamath
*
Director
Nikolay Kudryavtsev
*
Director
Adrian Lajous
*
Director
Michael E. Marks
*
Director
Elizabeth Moler
*
Director
Lubna S. Olayan
*
Director
Leo Rafael Reif
*
Director
Tore Sandvold
*
Director
Henri Seydoux
/
S
/ A
LEXANDER
C. J
UDEN
February 1, 2012
*By Alexander C. Juden Attorney-in-Fact
76
