SDRL - Launch of Mandatory offer

Bermuda, 9 November, 2012 - With reference to the announcement made by Seadrill Limited ("Seadrill") on 26 October 2012, Seadrill has resolved to launch an unconditional mandatory offer for all the issued and outstanding shares of Asia Offshore Drilling Limited ("AOD") at a price of NOK 28.71 per AOD share (the "Mandatory Offer").

The offer period in the Mandatory Offer runs from and including 12 November 2012 to 16:30 hours (CET) on 10 December 2012, and may be extended by up to two weeks.

Platou Markets AS acts as financial advisors to Seadrill in relation to the Mandatory Offer, and as the receiving agent in relation thereto.

The complete terms of the Mandatory Offer are set out in an offer document dated 9 November 2012, approved by Oslo Børs, and which will be distributed to all shareholders in AOD with known addresses and that legally may receive such document and accept the Mandatory Offer.

The offer document is available free of charge at the website of the receiving agent ( and at the office of the receiving agent (Address: Platou Markets AS, Haakon VII's gate 10, P.O. Box 1474 Vika, 0116 Oslo, Norway, Tel: +47 22 01 63 00).

For further information please contact:

Rune Magnus Lundetræ, CFO Seadrill
Tel: +47 51 30 90 00

About Seadrill Limited


Seadrill is a leading offshore deepwater drilling company, aiming to be our customers' most important partner in making oil and gas available in a safe and cost-effective manner. The company operates a versatile fleet of 67 units that comprises drillships, jack-up rigs, semi-submersible rigs and tender rigs for operations in shallow to ultra-deepwater areas in harsh environment and benign environments. Seadrill has some 8000 skilled and highly competent employees, representing some 50 nationalities, operating in 15 countries on five continents. Seadrill is listed on the New York Stock Exchange and the Oslo Stock Exchange.

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