| 10th Sep 2012 2:31 pm |
RNS |
Director/PDMR Shareholding |
| 8th Aug 2012 7:00 am |
RNS |
Interim Management Statement |
| 6th Aug 2012 2:16 pm |
RNS |
Director/PDMR Shareholding |
| 26th Jul 2012 9:30 am |
RNS |
Director/PDMR Shareholding |
| 6th Jul 2012 10:58 am |
RNS |
Director/PDMR Shareholding |
| 3rd Jul 2012 11:58 am |
RNS |
Holding(s) in Company |
| 26th Apr 2012 10:00 am |
RNS |
Holding(s) in Company |
| 20th Apr 2012 2:25 pm |
RNS |
Holding(s) in Company |
| 19th Apr 2012 11:33 am |
RNS |
Holding(s) in Company |
| 18th Apr 2012 12:00 pm |
RNS |
Notice of Results |
| 14th Mar 2012 11:30 am |
RNS |
Holding(s) in Company |
| 1st Mar 2012 4:42 pm |
RNS |
Director/PDMR Shareholding |
| 28th Feb 2012 7:00 am |
RNS |
Filter Contract Status Update |
| 9th Feb 2012 2:10 pm |
RNS |
Block Listing Cancellation |
| 2nd Feb 2012 1:00 pm |
RNS |
Result of AGM |
| 2nd Feb 2012 7:00 am |
RNS |
Interim Management Statement |
| 12th Jan 2012 2:00 pm |
RNS |
Annual Information Update |
| 9th Jan 2012 5:16 pm |
RNS |
Holding(s) in Company |
| 4th Jan 2012 3:45 pm |
RNS |
Holding(s) in Company |
| 3rd Jan 2012 12:00 pm |
RNS |
Holding(s) in Company |
| 20th Dec 2011 3:32 pm |
RNS |
Annual Financial Report |
| 20th Dec 2011 3:30 pm |
RNS |
Director/PDMR Shareholding |
| 20th Dec 2011 9:45 am |
RNS |
Filter Contract Award |
| 2nd Dec 2011 11:40 am |
RNS |
Employee Share Plans |
| 28th Nov 2011 5:10 pm |
RNS |
Holding(s) in Company |
| 23rd Nov 2011 7:00 am |
RNS |
Final Results |
| 16th Nov 2011 5:41 pm |
RNS |
Holding(s) in Company |
| 16th Nov 2011 3:38 pm |
RNS |
Holding(s) in Company |
| 10th Oct 2011 7:00 am |
RNS |
Full Year Trading Update |
| 7th Sep 2011 5:45 pm |
RNS |
Holding(s) in Company |
| 2nd Sep 2011 4:10 pm |
RNS |
Holding(s) in Company |
| 18th Aug 2011 7:00 am |
RNS |
Interim Management Statement |
| 10th Aug 2011 7:00 am |
RNS |
Holding(s) in Company |
| 8th Aug 2011 7:00 am |
RNS |
US Department of Defense contract award |
| 20th Jul 2011 10:06 am |
RNS |
Holding(s) in Company |
| 23rd Jun 2011 4:30 pm |
RNS |
Holding(s) in Company |
| 21st Jun 2011 4:39 pm |
RNS |
Holding(s) in Company |
| 21st Jun 2011 10:49 am |
RNS |
Holding(s) in Company |
| 21st Jun 2011 10:45 am |
RNS |
Holding(s) in Company |
| 17th Jun 2011 3:33 pm |
RNS |
Holding(s) in Company |
