Seadrill received letter of award for deepwater semi-submersible

Hamilton, Bermuda, April 30, 2012 - Seadrill has received a letter of award for
a new three year contract for a semi-submersible for operations offshore West
Africa with a reputable oil company, contract starting second quarter 2013. The
total potential contract revenue based on 97% utilisation is estimated to
approximately USD 710 millions and includes a performance bonus arrangement. The
letter of award is subject to final approval by the charterers Board  to be
lifted no later than May 16th.

Seadrill total order backlog is after this increased to approximately USD 13.3
billion.

Contacts

Alf C Thorkildsen
Chief Executive Officer
Seadrill Management AS
[phone]

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

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Source: Seadrill Limited via Thomson Reuters ONE
[HUG#1607213]

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