Derivatives: ADJUSTMENT FOR DIVIDEND IN SEADRILL (SDRL) FOR DERIVATIVES WITH OSLO BØRS AS PRIMARY EXCHANGE (19/10)

Seadrill will be trading ex-dividend 15 March 2010. The dividend is USD 0.55
per share. 

SDRL belongs to dividend class b) where the whole dividend amount shall be
adjusted for. 

Stock option strike and forward prices will be adjusted according to the Rules
and Regulations of NASDAQ OMX Derivatives Markets 4.43. The forward/future and
option series will be assigned new ISIN and marked with the letter X (or Y for
series already marked with X) for deviating contract specifications. 

For further information, please see the attached file.