Osmetech plc ('Osmetech' or the 'Company') 

Grant of Warrants and Share Options to Directors 

24 December 2009

The Company today announces that on 23 December 2009 the following options over ordinary shares of 0.10p in the Company (the "Options") were granted to the following directors. 

Jon Faiz Kayyem, Chief Executive Officer, was granted 57,170,517 Options with an exercise price of 1.95p. One quarter of which will vest on 1 July 2010 with the remaining Options vesting monthly in equal amounts over the subsequent three year period. 

David Sandilands, Chief Financial Officer, was granted 16,334,434 Options with an exercise price of 1.95p. One quarter of which will vest on 20 January 2010 with the remaining Options vesting monthly in equal amounts over the subsequent three year period.

Christopher Gleeson, non-executive Chairman, was granted 5,768,213 Options with an exercise price of 1.95p. One quarter of which will vest on 1 July 2010 with the remaining options vesting monthly in equal amounts over the subsequent three year period.  Mr. Gleeson was also granted 1,108,647 Options which vest immediately.

Daryl Faulkner, non-executive director, was granted 1,330,377 Options with an exercise price of 1.95p which vest immediately. 

Following this grant of Options, the directors' total Options are: 

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