COMPARISON OF FIVE-YEAR CUMULATIVE TOTAL RETURN AMONG
SCHLUMBERGER COMMON STOCK, THE S&P 500 INDEX AND THE
PHILADELPHIA OIL SERVICE INDEX (OSX)
Philadelphia Oil Service Index (OSX)
Schlumberger Ltd
S&P 500 Index
$0
$50
$100
$150
$200
$250
Indexed Return
Dec '05
Dec '06
Dec '07
Dec '08
Dec '10
Dec '09
Assumes $100 invested on December 31, 2005 in Schlumberger common stock, in the S&P 500 Index and in the
Philadelphia Oil Service Index (OSX). Reflects reinvestment of dividends on the last day of the month of payment.
15
Part II, Item 5
