Disclosure regarding Sevan Drilling ASA

Hamilton, Bermuda, August 7, 2013

We refer to the press releases dated January 30, 2013, February 7, 2013, and May 10, 2013 which announced the forward agreements for Seadrill Limited's ("Seadrill") holdings in Sevan Drilling ASA ("Sevan") shares.

We have rolled forward these agreements subsequent to the prior agreements' expiration.

Seadrill has entered into a forward agreement for 96,000,000 Sevan shares expiring November 6, 2013 with a strike price of NOK 4.05.

Additionally, Seadrill has entered into a forward agreement for 81,828,500 Sevan shares expiring November 6, 2013 with a strike price of NOK 4.04.

Seadrill press release