The Company has issued the following warrants, options and convertible loan notes:

ORDINARY SHARES 10 PENCE EACH AS AT 28 July 2008   TOTAL AUTHORISED 200,000,000 ISSUED AND OUTSTANDING 72,674,911     PURCHASE WARRANTS EXERCISE PRICE EXPIRY DATE   £0.75 January 2009 273,450    CONVERTIBLE LOAN NOTES    EXERCISE PRICE EXPIRY DATE  NO OF SHARES £0.95 October 2010 2,700,000* £0.50 July 2011 400,000* * Assumptions are that all interest is paid in cash and all loan notes converted to shares at expiry date. PURCHASE OPTION SCHEME EXERCISE PRICE   VENDOR OPTIONS EXPIRY DATE NO OF SHARES £0.80 October 2009 2,000,000     EMPLOYEE OPTIONS £0.85 May 2011 740,000 £0.95 July 2012 350,000 £1.00 January 2013  1,125,000 £1.00 October-December 2014 460,000 £1.00-£1.20 April-December 2015 1,560,000 £0.60-£0.76 January-May 2016     1,380,000              FULLY DILUTED SHARE CAPITAL 83,663,361 Please check RNS announcements for any recent changes.   If all the outstanding warrants and options are exercised, the fully diluted share capital of the Company will be 83,663,361 ordinary shares of 10p each.