SDRL - Seadrill increases ownership in Asia Offshore Drilling Limited

Hamilton, Bermuda, April 23, 2013

Seadrill Limited ("Seadrill") has today acquired additional 100 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 39,739,647 shares in the Company, corresponding to 66.23% 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.

Seadrill press release