Schlumberger Announces Fourth Quarter and Full Year 2003 Results Conference Call

    Schlumberger Ld.

Schlumberger Limited (NYSE:SLB) will hold a conference call at 9:00 am ET on
January 23, 2004 to discuss results for the fourth quarter and full year ending
on December 31, 2003. The results are expected to be released at 6:00 am ET that
same morning.

To access the conference call, attendees should contact the conference call
operator at [phone] within North America or [phone] 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 February 6, 2004, and
can be accessed by dialing [phone] within North America or
[phone] outside of North America, and giving the access code 715631.

A live webcast of the conference call will be simultaneously broadcast at
http://www.slb.com/irwebcast on a listen-only basis. Attendees should log-in 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 February
6, 2004.

About Schlumberger

Schlumberger is a global oilfield and information services company with major
activity in the energy industry. The company employs 78,000 people of more than
140 nationalities working in 100 countries and comprises three primary business
segments. Schlumberger Oilfield Services is the world's premier oilfield
services company supplying a wide range of technology services and solutions to
the international oil and gas industry. WesternGeco, jointly owned with Baker
Hughes, is the world's largest and most advanced surface seismic company.
SchlumbergerSema is a leading supplier of IT consulting, systems integration,
and network and infrastructure services to the energy industry, as well as to
the public sector, telecommunications and finance markets. In 2002, Schlumberger
revenue was $13.2 billion. For more information, visit www.slb.com.