SDRL - Seadrill reach 65.89% ownership in Asia Offshore Drilling Ltd

Hamilton, Bermuda, 31 October 2012 - Seadrill Limited ("Seadrill") has today acquired additional 12,883 shares of Asia Offshore Drilling Limited (the "Company", OSE: AOD). The shares were acquired at a price of NOK 28.70 per share. Following this acquisition, Seadrill will be the owner of 26,354,251 shares in the Company, corresponding to 65.89% of the total number of outstanding shares in the Company.

This information is subject of the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.