Derivatives: Adjustment for dividend in Seadrill (SDRL) for derivatives with Oslo Børs as primary exchange (65/10)

Seadrill distributes a dividend of USD 0.60 per share with ex-date 15 June
2010. SDRL belongs to dividend class b) where the whole dividend amount shall be
adjusted for. 

Derivative contracts 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 (Y or Z for series already
marked with X or Y) for deviating contract specifications. 

Please note that the holder of a Norwegian call option with Oslo Børs as
primary exchange must exercise the option 2 trading days prior to the
ex-dividend date for right to dividend. 

For further information, please see the attached file.