The following illustrates the sensitivity to changes in certain assumptions, holding all other assumptions constant, for
Schlumberger’s United States postretirement medical plans:
Change in Assumption
Effect on 2010
Pretax Postretirement
Medical Expense
Effect on
Dec. 31, 2010
Liability
(Stated in millions)
25 basis point decrease in discount rate
+$4
+$39
25 basis point increase in discount rate
-$4
-$37
100 basis point decrease per annum in medical cost trend rate
-$22
-$145
100 basis point increase per annum in medical cost trend rate
+$26
+$177
33
Part II, Item 7
