Mandatory notification of trades

(Bermuda, 22 June 2010): The following insiders of BW Offshore Limited have today purchased shares in BW Offshore Limited at a price of NOK 9.28 per share.

Carl K. Arnet, Chief Executive Officer, has purchased 100,000 shares through his private held company Kolbjørn Invest II AS. Following this transaction, Mr. Arnet directly and indirectly holds 5,872,139 shares in BW Offshore Limited.

Knut R. Sæthre, Chief Financial Officer, has purchased 25,000 shares. Following this transaction, Mr. Sæthre directly and indirectly holds 282,285 shares in BW Offshore Limited.

David Sverre, Executive Vice President Projects, has purchased 20,000 shares. Following this transaction, Mr. Sverre holds 137,639 shares in BW Offshore Limited.

Tom Arne Kristiansen, Executive Vice President Technology, has purchased 20,000 shares. Following this transaction, Mr. Kristiansen holds 118,006 shares in BW Offshore Limited.

Erik Svendsen, Executive Vice President APL, has purchased 20,000 shares. Following this transaction, Mr. Svendsen holds 95,830 shares in BW Offshore Limited.

Johnny Duedahl, Senior Vice President Corporate Accounting has purchased 10,000 shares. Following this transaction, Mr. Duedahl holds 41,089 shares in BW Offshore Limited.

Kristian Flaten, Vice President Finance and Investor Relations, has purchased 10,000 shares. Following this transaction, Mr. Flaten holds 28,139 shares in BW Offshore Limited.

For further information, please contact:

Knut R. Sæthre, CFO BW Offshore, +47 9111 7876

About BW Offshore

BW Offshore is one of the world's leading FPSO contractors and a market leader within advanced offshore loading and production systems to the oil and gas industry. BW Offshore has more than 25 years' experience and has successfully delivered 14 FPSO projects and 50 turrets and offshore terminals. BW Offshore's technology division APL has delivered solutions for production vessels, storage vessels and tankers in a wide range of field developments. Adapting through competence, in-house technology, solid project execution and operational excellence, BW Offshore ensures that customer needs are met through versatile solutions for offshore oil and gas projects. BW Offshore has a global network with offices in Europe, Asia Pacific, West Africa and the Americas. BW Offshore has 1,100 employees and is listed on the Oslo Stock Exchange. For more information, please visit www.bwoffshore.com and www.apl.no.

This information is subject of the disclosure requirements acc. to §5-12 vphl (Norwegian Securities Trading Act)