The board of Seadrill has resolved to distribute a cash dividend of USD 0.60 per share. The Ex-date is June 15, 2010. According to NASDAQ OMX Derivatives Markets Rules and Regulations 4.5.3.6.1, adjustment for ordinary dividends shall be made for underlyings specified with 100 % dividend adjustment in the Quotation list. NASDAQ OMX Derivatives Markets has carried out a re-calculation of options, forwards and futures in Seadrill (SDRLN). For further details, please see the attached file.