Stock Trading History of Macgregor Catherine

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Macgregor Catherine since year 2005. The trader's CIK number is 1415757. At the time of this reporting, Macgregor Catherine is the VICE PRESIDENT of Schlumberger Ltd /nv/ . (stock ticker symbol SLB). See this page for all insider trading activities at Schlumberger Ltd /nv/ .

Stock purchases, sales, and option exercises reported by insider *Macgregor Catherine* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-04-30	SLB	Schlumberger Ltd /nv/	Option Exercise	400	27.87	11,149
2008-04-28	SLB	Schlumberger Ltd /nv/	Option Exercise	293	32.62	9,557

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Macgregor Catherine (VICE PRESIDENT of Schlumberger Ltd /nv/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.