Additional Listing

8 Feb 2006 14:00

Schlumberger Ld08 February 2006 Pursuant to the above-named Company's Stock Option Plans options over 94 Commonstock of $0.01 each have been exercised. Accordingly, application has been madeto The UK Listing Authority for this stock to be admitted to the Official Listand to the London Stock Exchange for this stock to be admitted to trading. TheStock ranks pari passu with the existing issued stock of the Company. This information is provided by RNS The company news service from the London Stock Exchange