5599 San Felipe, 17th Floor
Houston, Texas 77056
January 31, 2013
U.S. Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
|Re:||Notice of Disclosure Filed in Exchange Act Annual Report Under Section 219 of the Iran|
|Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Exchange|
Ladies and Gentlemen:
Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities
Exchange Act of 1934, as amended, notice is hereby provided that Schlumberger N.V. (Schlumberger Limited) has made disclosure pursuant to such provisions in its Annual Report on Form 10-K for the fiscal year ended December 31, 2012, which was
filed with the U.S. Securities and Exchange Commission on January 31, 2013. Such disclosure begins on page 8 of the Annual Report on
Form 10-K and is incorporated by reference herein.
|/s/ Alexander C. Juden|
|Alexander C. Juden|
|Secretary and General Counsel|