SDRL - Disclosure of large shareholding

Hamilton,Bermuda, March 26, 2013 - Seadrill Limited ("Seadrill") has today acquired additional 16,081 shares of Asia Offshore Drilling Limited (the "Company", OSE: AOD). The shares were acquired at price NOK28.70 per share.

Following this acquisition, Seadrill will be the owner of 39,725,394 shares in the Company, corresponding to 66.21% 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.