SDRL - Mandatory notification of trade

Hamilton, Bermuda, March 11, 2013 - Seadrill Limited ('the Company') has through market purchases executed March 8, repurchased 150,000 of the Company's own common stocks at an average price of NOK212.30 per share.

In connection with the Company's Employee Share Ownership Plan (ESOP), eligible option holders have exercised options to acquire 79,450 common shares at strike prices varying from NOK31.33 to NOK139.35 per share.

The Company has used treasury shares to settle the obligation related to the share option plan. 

After these transactions, the Company has a holding of 141,009 treasury shares.

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