London, UK -- (MARKET WIRE) -- February 13, 2007 --13 February 2007

Listing of Ordinary Shares

Application has been made to The UK Listing Authority and the London Stock Exchange for block listings totalling 5,030,000 Ordinary Shares of 20 cents each to trade on the London Stock Exchange and to be admitted to the Official List upon issuance. The shares shall rank equally with the existing issued Ordinary Shares of the Company.

The Block listings consist of 30,000 shares to be issued under the 1985 Executive Share Option Scheme, 1,500,000 shares under the 2001 US Share Option Scheme, 1,000,000 shares under the 2001 UK Unapproved Share Option Scheme, 750,000 shares under the 2004 Performance Share Plan, 1,000,000 shares under the 2004 Executive Share Option Plan and 750,000 shares to be issued under the Co-investment Plan.

Paul Chambers

Company Secretary

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