SCHLUMBERGER

SCHLUMBERGER

March 21, 2005 12:34 ET

Schlumberger Announces First Quarter 2005 Results Conference Call


NEWS RELEASE TRANSMITTED BY CCNMatthews

FOR: SCHLUMBERGER

NYSE SYMBOL: SLB

MARCH 21, 2005 - 12:34 ET

Schlumberger Announces First Quarter 2005 Results
Conference Call

NEW YORK--(CCNMatthews - Mar 21, 2005) -

Schlumberger Limited (NYSE:SLB) will hold a conference call at 9:00 a.m.
ET on April 26, 2005 to discuss the results for the first quarter ending
on March 31, 2005. The results are expected to be released at 6:00 a.m.
ET that same morning.

To access the conference call, attendees should contact the conference
call operator at +1-888-276-9998 within North America or +1-612-332-0718
outside of North America approximately 10 minutes prior to the call's
start time, and ask for the "Schlumberger Earnings Conference Call."

A replay of the conference call will be available until May 10, 2005,
and can be accessed by dialing +1-800-475-6701 within North America or
+1-320-365-3844 outside of North America, and giving the access code
775464.

A live webcast of the conference call will be simultaneously broadcast
at www.slb.com/irwebcast on a listen-only basis. Attendees should login
15 minutes ahead of time to test their browsers and register for the
webcast. Following the event, a replay will be available at the same URL
until May 10, 2005.

About Schlumberger

Schlumberger is the world's leading oilfield services company supplying
technology, project management and information solutions that optimize
performance for customers working in the oil and gas industry. The
company employs more than 52,000 people of over 140 nationalities
working in 80 countries, and comprises two business segments.
Schlumberger supplies a wide range of products and services from
formation evaluation through directional drilling, well cementing and
stimulation, well completions and productivity to consulting, software,
information management and IT infrastructure services that support core
industry operational processes. WesternGeco, jointly owned with Baker
Hughes, is the world's largest seismic company and provides advanced
acquisition and data processing services. In 2004, Schlumberger
operating revenue was $11.48 billion. For more information, visit
www.slb.com

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Contact Information

  • FOR FURTHER INFORMATION PLEASE CONTACT:
    Schlumberger Limited, New York
    Doug Pferdehirt, +1-212-350-9432
    or
    Paulo Loureiro, +1-212-350-9432
    investor-relations@slb.com