mr peter henderson ceo, page-4

Shares and options in David Johnson's final interest notice as follows;


Number & class of securities
11,826,322 FULLY PAID ORDINARY SHARES (HELD BY DAVID JOHNSON);
*70,000 OPTIONS EXERCISABLE AT $0.3438 EACH AND EXPIRING 01/01/2012 (each option is to subscribe to one fully paid ordinary share);
*70,000 OPTIONS EXERCISABLE AT $0.3938 EACH AND EXPIRING 01/01/2012 (each option is to subscribe to one fully paid ordinary share);
*110,000 OPTIONS EXERCISABLE AT $0.4938 EACH AND EXPIRING 01/01/2012 (each option is to subscribe to one fully paid ordinary share);
*92,358 OPTIONS EXERCISABLE AT $0.8938 EACH AND EXPIRING 30/06/2012 (each option is to subscribe to one fully paid ordinary share);
*27,987 OPTIONS EXERCISABLE AT $0.8938 EACH AND EXPIRING 30/06/2012 (each option is to subscribe to one fully paid ordinary share);
*29,159 OPTIONS EXERCISABLE AT $0.9938 EACH AND EXPIRING 30/06/2012 (each option is to subscribe to one fully paid ordinary share);
*60,650 OPTIONS EXERCISABLE AT $1.0938 EACH AND EXPIRING 30/06/2012 (each option is to subscribe to one fully paid ordinary share);
*46,830 OPTIONS EXERCISABLE AT $1.1938 EACH AND EXPIRING 01/07/2013 (each option is to subscribe to one fully paid ordinary share);
*77,810 OPTIONS EXERCISABLE AT $1.1938 EACH AND EXPIRING 01/07/2013 (each option is to subscribe to one fully paid ordinary share);
*40,847 OPTIONS EXERCISABLE AT $1.3938 EACH AND EXPIRING 01/07/2013 (each option is to subscribe to one fully paid ordinary share); AND
*85,578 OPTIONS EXERCISABLE AT $1.5938 EACH AND EXPIRING 1/07/2013 (each option is to subscribe to one fully paid ordinary share).
*= CONSEQUENT UPON THE APRIL 2009 RIGHTS ISSUE THE EXERCISE PRICE OF OUTSTANDING OPTIONS DECREASED BY A UNIFORM 0.0062 (ROUNDED TO 4 DECIMAL PLACES) TO THE PRICES SHOWN ABOVE